diff --git a/ws2012/Bachelor Thesis/Literatur/JEE/Real World Java EE Night Hacks - Dissecting the Business Tier - A. Bien.pdf b/ws2012/Bachelor Thesis/Literatur/JEE/Real World Java EE Night Hacks - Dissecting the Business Tier - A. Bien.pdf new file mode 100644 index 00000000..b6c2c5d0 --- /dev/null +++ b/ws2012/Bachelor Thesis/Literatur/JEE/Real World Java EE Night Hacks - Dissecting the Business Tier - A. 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Hello

"\);)Tj +T* +( out.println\(""\);)Tj +T* +( out.println\(""\);)Tj +T* +( } finally { )Tj +T* +( out.close\(\);)Tj +T* +( })Tj +T* +( } )Tj +T* +(})Tj +/C2_0 1 Tf +0 -1.2 TD +<00280041004B004C00410046003F0001000E00170001002F003D004A004E0044003D004C00010010000B000D0001001F00470046005D>Tj +/TT0 1 Tf +(gured with )Tj +16.193 0 Td +(Annotations)Tj +-14.393 -3.44 Td +(T)Tj +0.511 0 Td +(he )Tj +1.361 0 Td +(servlet )Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 124.5562 75.3001 Tm +(Controller)Tj +ET +Q +BT +/TT0 1 Tf +10 0 0 10 184.5659 75.3001 Tm +( )Tj +0.305 0 Td +(is )Tj +0.972 0 Td +(a )Tj +0.805 0 Td +(placeholder )Tj +5.418 0 Td +(for )Tj +1.472 0 Td +(the )Tj +1.639 0 Td +(actual )Tj +2.917 0 Td +(weblog )Tj +3.473 0 Td +(softw)Tj +2.261 0 Td +(are )Tj +1.638 0 Td +(and )Tj +1.917 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.194 0 Td +(introduced)Tj +( )Tj +ET + +endstream +endobj +46 0 obj<>stream +H}lS}J<ǎvgq<'ǡHJ!ڪKXB +@wUUK"4+BP1ĪjX&uAjFihƴZ^ 1cvs N{{νs~+ٵw3TwԦ ßxalڷC6P?~},I}tԍ?`R[6orK8߂|߰ 9PDܴ:_U*6߄gdžͿh EM8sRp'C(O%hm|!j(Zm`շ_zWf'$V`>A=c| Pd)98Lȸ:{ࠒ\ftTu-!gn-X iEQz)Y^.a,|@t2@.9w{>7N?F+;ܧc4;ep5~i9)`#,IO^?N0d)S;j]&!M>CX/ q3ZGAJ!mmZIM,\;@Z ߙ傂p4LA)RDOCZcѼBRar\EJ!+ڀ&o!M_pCp13 JQ2Iů2T^11 ?6xJ=ΰKXO8rh1xh#H ? 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+(not )Tj +1.695 0 Td +(necessary )Tj +4.472 0 Td +(in )Tj +1.139 0 Td +(cleanly )Tj +3.417 0 Td +(pac)Tj +1.538 0 Td +(kaged )Tj +2.861 0 Td +(applications. )Tj +5.734 0 Td +(T)Tj +0.511 0 Td +(he )Tj +-41.144 -1.44 Td +(lac)Tj +1.26 0 Td +(k )Tj +0.813 0 Td +(of )Tj +1.147 0 Td +(the )Tj +/TT1 1 Tf +1.647 0 Td +()Tj +/TT0 1 Tf +( )Tj +6.314 0 Td +(tag )Tj +1.591 0 Td +(causes )Tj +3.147 0 Td +(the )Tj +1.647 0 Td +(application )Tj +5.149 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +1.146 0 Td +(to )Tj +1.147 0 Td +(c)Tj +0.482 0 Td +(hoose )Tj +2.87 0 Td +(its )Tj +1.258 0 Td +(preinstalled )Tj +5.315 0 Td +(JP)Tj +0.779 0 Td +(A )Tj +0.98 0 Td +(pro)Tj +1.433 0 Td +(vider)Tj +2.093 0 Td +(. )Tj +-41.922 -1.44 Td +(T)Tj +0.511 0 Td +(he fallbac)Tj +4.206 0 Td +(k to the default pro)Tj +8.159 0 Td +(vider is another con)Tj +8.547 0 Td +(v)Tj +0.488 0 Td +(enient con)Tj +4.546 0 Td +(v)Tj +0.488 0 Td +(ention. )Tj +-25.145 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.684 0 Td +(property )Tj +/TT1 1 Tf +4.24 0 Td +(eclipselink.ddl-generation )Tj +/TT0 1 Tf +16.553 0 Td +(controls )Tj +4.074 0 Td +(the )Tj +1.962 0 Td +(gener)Tj +2.377 0 Td +(ation )Tj +2.796 0 Td +(of )Tj +1.462 0 Td +(tables )Tj +3.129 0 Td +(and )Tj +-40.588 -1.44 Td +(columns )Tj +4.249 0 Td +(at )Tj +1.359 0 Td +(deplo)Tj +2.434 0 Td +(yment )Tj +3.248 0 Td +(time. )Tj +2.674 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.637 0 Td +(content )Tj +3.805 0 Td +(of )Tj +1.415 0 Td +(the )Tj +/TT1 1 Tf +1.915 0 Td +(jta-database-source)Tj +/TT0 1 Tf +( )Tj +11.983 0 Td +(tag )Tj +1.859 0 Td +(points )Tj +3.194 0 Td +(to )Tj +1.415 0 Td +(a )Tj +-41.7 -1.44 Td +(properly )Tj +/C2_0 1 Tf +3.969 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +4.97 0 Td +(data )Tj +2.191 0 Td +(sour)Tj +1.822 0 Td +(ce )Tj +1.357 0 Td +(at )Tj +1.135 0 Td +(the )Tj +1.691 0 Td +(application )Tj +5.193 0 Td +(serv)Tj +1.71 0 Td +(er)Tj +0.759 0 Td +(. )Tj +0.635 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.246 0 Td +(our )Tj +1.802 0 Td +(\223proof )Tj +3.08 0 Td +(of )Tj +1.191 0 Td +(concept\224 )Tj +4.247 0 Td +(purposes, )Tj +4.47 0 Td +(I )Tj +-41.922 -1.44 Td +(c)Tj +0.482 0 Td +(hose )Tj +2.462 0 Td +(the )Tj +/C2_0 1 Tf +1.795 0 Td +<0048004A003D003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +/TT1 1 Tf +6.463 0 Td +(jdbc/sample)Tj +/TT0 1 Tf +( )Tj +7.062 0 Td +(database. )Tj +4.518 0 Td +(It )Tj +1.017 0 Td +(is )Tj +1.128 0 Td +(automatically )Tj +6.296 0 Td +(created )Tj +3.628 0 Td +(during )Tj +3.24 0 Td +(NetBeans )Tj +-38.088 -1.44 Td +(\(J)Tj +0.544 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a EE v)Tj +2.544 0 Td +(ersion\) installation. )Tj +/TT1 1 Tf +-2.234 -2.24 Td +(p)Tj +(e)Tj +(r)Tj +(s)Tj +(i)Tj +(s)Tj +(t)Tj +(e)Tj +(n)Tj +(c)Tj +(e)Tj +(.)Tj +(x)Tj +(m)Tj +(l)Tj +/TT0 1 Tf +( )Tj +9.783 0 Td +(c)Tj +(o)Tj +(n)Tj +(t)Tj +(a)Tj +(i)Tj +(n)Tj +(s )Tj +4.393 0 Td +(o)Tj +(n)Tj +(l)Tj +(y )Tj +2.669 0 Td +(a )Tj +1.278 0 Td +(s)Tj +(i)Tj +(n)Tj +(g)Tj +(l)Tj +(e )Tj +3.28 0 Td +(p)Tj +(e)Tj +(r)Tj +(s)Tj +(i)Tj +(s)Tj +(t)Tj +(e)Tj +(n)Tj +(c)Tj +(e )Tj +5.56 0 Td +(u)Tj +(n)Tj +(i)Tj +(t )Tj +2.447 0 Td +(r)Tj +(e)Tj +(p)Tj +(r)Tj +(e)Tj +(s)Tj +(e)Tj +(n)Tj +(t)Tj +(e)Tj +(d )Tj +5.782 0 Td +(b)Tj +0.538 0 Td +(y )Tj +1.278 0 Td +(t)Tj +(h)Tj +(e )Tj +2.113 0 Td +(t)Tj +(a)Tj +(g )Tj +/TT1 1 Tf +-40.921 -1.44 Td +()Tj +/TT0 1 Tf +(. )Tj +10.903 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.627 0 Td +(could )Tj +/C2_0 1 Tf +2.961 0 Td +<003C003D005D>Tj +/TT0 1 Tf +(ne )Tj +3.183 0 Td +(multiple )Tj +4.072 0 Td +(deplo)Tj +2.434 0 Td +(yment )Tj +3.182 0 Td +(units )Tj +2.572 0 Td +(with )Tj +2.405 0 Td +(v)Tj +0.476 0 Td +(arious )Tj +3.127 0 Td +(cac)Tj +1.482 0 Td +(hing )Tj +2.405 0 Td +(or )Tj +-41.311 -1.44 Td +(v)Tj +0.476 0 Td +(alidation )Tj +4.238 0 Td +(settings )Tj +3.626 0 Td +(or )Tj +1.347 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.514 0 Td +(with )Tj +2.348 0 Td +(data )Tj +2.292 0 Td +(sour)Tj +1.822 0 Td +(ce )Tj +1.458 0 Td +(settings. )Tj +3.904 0 Td +(If )Tj +1.014 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +/C2_0 1 Tf +1.57 0 Td +<003C003D005D>Tj +/TT0 1 Tf +(ne )Tj +3.126 0 Td +(additional )Tj +/TT1 1 Tf +4.794 0 Td +(persistence-)Tj +-34.999 -1.44 Td +(unit)Tj +/TT0 1 Tf +( )Tj +2.779 0 Td +(sections )Tj +3.824 0 Td +(in )Tj +/TT1 1 Tf +1.212 0 Td +(persistence.xml)Tj +/TT0 1 Tf +(, )Tj +9.658 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.49 0 Td +(also )Tj +2.101 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.878 0 Td +(to )Tj +/C2_0 1 Tf +1.212 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gure )Tj +4.435 0 Td +(the )Tj +1.712 0 Td +(injection )Tj +4.158 0 Td +(and )Tj +1.99 0 Td +(c)Tj +0.482 0 Td +(hoose )Tj +2.935 0 Td +(the )Tj +-40.866 -1.44 Td +(n)Tj +0.568 0 Td +(a)Tj +0.512 0 Td +(m)Tj +0.845 0 Td +(e )Tj +1.284 0 Td +(o)Tj +0.568 0 Td +(f )Tj +1.062 0 Td +(t)Tj +0.29 0 Td +(h)Tj +0.568 0 Td +(e )Tj +1.284 0 Td +(p)Tj +0.568 0 Td +(e)Tj +0.512 0 Td +(r)Tj +0.345 0 Td +(s)Tj +0.401 0 Td +(i)Tj +0.29 0 Td +(s)Tj +0.401 0 Td +(t)Tj +0.29 0 Td +(e)Tj +0.512 0 Td +(n)Tj +0.568 0 Td +(c)Tj +0.512 0 Td +(e )Tj +1.284 0 Td +(u)Tj +0.568 0 Td +(n)Tj +0.568 0 Td +(i)Tj +0.29 0 Td +(t )Tj +1.062 0 Td +(i)Tj +0.29 0 Td +(n )Tj +1.34 0 Td +(t)Tj +0.29 0 Td +(h)Tj +0.568 0 Td +(e )Tj +/TT1 1 Tf +1.284 0 Td +(@)Tj +0.613 0 Td +(P)Tj +0.613 0 Td +(e)Tj +0.613 0 Td +(r)Tj +0.613 0 Td +(s)Tj +0.613 0 Td +(i)Tj +0.613 0 Td +(s)Tj +0.613 0 Td +(t)Tj +0.613 0 Td +(e)Tj +0.613 0 Td +(n)Tj +0.613 0 Td +(c)Tj +0.613 0 Td +(e)Tj +0.613 0 Td +(C)Tj +0.613 0 Td +(o)Tj +0.613 0 Td +(n)Tj +0.613 0 Td +(t)Tj +0.613 0 Td +(e)Tj +0.613 0 Td +(x)Tj +0.613 0 Td +(t)Tj +0.613 0 Td +(\()Tj +0.613 0 Td +(u)Tj +0.613 0 Td +(n)Tj +0.613 0 Td +(i)Tj +0.613 0 Td +(t)Tj +0.613 0 Td +(N)Tj +0.613 0 Td +(a)Tj +0.613 0 Td +(m)Tj +0.613 0 Td +(e)Tj +0.613 0 Td +(=)Tj +0.613 0 Td +(\223)Tj +0.613 0 Td +([)Tj +0.613 0 Td +(n)Tj +0.613 0 Td +(a)Tj +0.613 0 Td +(m)Tj +0.613 0 Td +(e)Tj +0.613 0 Td +(])Tj +0.613 0 Td +(\224)Tj +0.613 0 Td +(\))Tj +/TT0 1 Tf +( )Tj +-41.6 -1.44 Td +(annotation. )Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.416 0 Td +(injection )Tj +4.14 0 Td +(of )Tj +1.194 0 Td +(the )Tj +/TT1 1 Tf +1.694 0 Td +(EntityManager)Tj +/TT0 1 Tf +( )Tj +8.162 0 Td +(in )Tj +1.194 0 Td +(Listing )Tj +3.139 0 Td +(3 )Tj +0.916 0 Td +(is )Tj +1.027 0 Td +(lac)Tj +1.26 0 Td +(king )Tj +2.194 0 Td +(an )Tj +1.416 0 Td +(explicit )Tj +/TT1 1 Tf +3.528 0 Td +(unitName)Tj +/TT0 1 Tf +( )Tj +5.161 0 Td +(element )Tj +-38.755 -1.44 Td +(in )Tj +1.294 0 Td +(the )Tj +/TT1 1 Tf +1.794 0 Td +(@PersistenceContext)Tj +/TT0 1 Tf +( )Tj +11.862 0 Td +(annotation )Tj +5.074 0 Td +(and )Tj +2.072 0 Td +(will )Tj +2.072 0 Td +(not )Tj +1.85 0 Td +(w)Tj +0.766 0 Td +(ork )Tj +1.849 0 Td +(with )Tj +ET +BT +/TT0 1 Tf +10 0 0 10 366.8192 275.2 Tm +(multiple )Tj +/TT1 1 Tf +4.017 0 Td +(persistence-)Tj +-34.999 -1.44 Td +(unit)Tj +/TT0 1 Tf +( )Tj +2.701 0 Td +(instances. )Tj +4.488 0 Td +(An )Tj +1.524 0 Td +(error )Tj +2.356 0 Td +(will )Tj +1.913 0 Td +(break )Tj +2.69 0 Td +(the )Tj +1.635 0 Td +(deplo)Tj +2.434 0 Td +(yment. )Tj +3.245 0 Td +(Con)Tj +1.767 0 Td +(v)Tj +0.488 0 Td +(ention )Tj +3.025 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(er )Tj +/C2_0 1 Tf +1.134 0 Td +<001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.712 0 Td +(ation )Tj +2.469 0 Td +(w)Tj +0.766 0 Td +(orks )Tj +2.079 0 Td +(only )Tj +2.191 0 Td +(if )Tj +-41.644 -1.44 Td +(there is a single possible c)Tj +11.209 0 Td +(hoice.)Tj +-9.409 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.695 0 Td +(method )Tj +/TT1 1 Tf +3.918 0 Td +(StatisticsService#store)Tj +/TT0 1 Tf +( )Tj +14.441 0 Td +(is )Tj +1.306 0 Td +(the )Tj +1.973 0 Td +(essential )Tj +4.307 0 Td +(use )Tj +2.084 0 Td +(case )Tj +2.528 0 Td +(for )Tj +1.806 0 Td +(our )Tj +2.084 0 Td +(proof )Tj +2.918 0 Td +(of )Tj +-41.366 -1.44 Td +(concept:)Tj +/TT1 1 Tf +1.8 -1.79 Td +( public void store\(String uri, String referer\) {)Tj +0 -1.79 TD +( em.persist\(new Statistic\(uri, referer\)\);)Tj +T* +( })Tj +0 -2.24 TD +(StatisticsService)Tj +/TT0 1 Tf +( )Tj +10.86 0 Td +(is )Tj +1.325 0 Td +(an )Tj +1.714 0 Td +(EJB )Tj +2.047 0 Td +(3.1 )Tj +2.048 0 Td +(bean, )Tj +3.048 0 Td +(so )Tj +1.603 0 Td +(the )Tj +1.992 0 Td +(method )Tj +3.937 0 Td +(store )Tj +2.714 0 Td +(is )Tj +1.325 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked )Tj +2.77 0 Td +(inside )Tj +3.215 0 Td +(a)Tj +( )Tj +-41.7 -1.44 Td +(tr)Tj +0.599 0 Td +(ansaction )Tj +4.433 0 Td +(context. )Tj +3.692 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.376 0 Td +(newly )Tj +2.932 0 Td +(created )Tj +/TT1 1 Tf +3.487 0 Td +(Statistic)Tj +/TT0 1 Tf +( )Tj +5.721 0 Td +(entity )Tj +2.71 0 Td +(is )Tj +0.987 0 Td +(passed )Tj +3.21 0 Td +(to )Tj +1.154 0 Td +(the )Tj +/TT1 1 Tf +1.654 0 Td +(EntityManager)Tj +/TT0 1 Tf +( )Tj +8.121 0 Td +(and)Tj +( )Tj +-40.588 -1.44 Td +(becomes )Tj +4.145 0 Td +(\223managed.)Tj +4.612 0 Td +(\224 )Tj +0.681 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.367 0 Td +(EntityManager)Tj +/TT0 1 Tf +( )Tj +8.112 0 Td +(no)Tj +1.1 0 Td +(w )Tj +1.089 0 Td +(holds )Tj +2.646 0 Td +(a )Tj +0.811 0 Td +(reference )Tj +4.311 0 Td +(to )Tj +1.145 0 Td +(the )Tj +/TT1 1 Tf +1.645 0 Td +(Statistic)Tj +/TT0 1 Tf +( )Tj +5.712 0 Td +(entity )Tj +2.701 0 Td +(and )Tj +-40.588 -1.44 Td +(tr)Tj +0.599 0 Td +(ac)Tj +0.982 0 Td +(ks )Tj +1.248 0 Td +(its )Tj +1.304 0 Td +(c)Tj +0.482 0 Td +(hanges. )Tj +3.638 0 Td +(Because )Tj +3.915 0 Td +(it )Tj +0.915 0 Td +(is )Tj +1.026 0 Td +(deplo)Tj +2.434 0 Td +(y)Tj +0.482 0 Td +(ed )Tj +1.415 0 Td +(as )Tj +/TT1 1 Tf +1.248 0 Td +(transaction-type=\223JTA\224)Tj +/TT0 1 Tf +( )Tj +13.561 0 Td +(\(see )Tj +2.026 0 Td +(Listing )Tj +3.138 0 Td +(5\), )Tj +1.471 0 Td +(ev)Tj +0.988 0 Td +(ery)Tj +( )Tj +-40.867 -1.44 Td +(commit )Tj +/C2_0 1 Tf +3.583 0 Td +<005E>Tj +/TT0 1 Tf +(ushes )Tj +3.251 0 Td +(all )Tj +1.36 0 Td +(managed )Tj +4.25 0 Td +(and )Tj +1.916 0 Td +(\223dirty\224 )Tj +3.138 0 Td +(entities )Tj +3.362 0 Td +(to )Tj +1.139 0 Td +(the )Tj +1.639 0 Td +(database. )Tj +4.287 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.36 0 Td +(tr)Tj +0.599 0 Td +(ansaction )Tj +4.418 0 Td +(is )Tj +0.971 0 Td +(committed )Tj +4.916 0 Td +(just )Tj +ET + +endstream +endobj +56 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 58 0 R>>endobj +57 0 obj<>endobj +58 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(21)Tj +0 Tc 0 Tw -20.432 57.06 Td +(after the execution of the method )Tj +/TT1 1 Tf +(store)Tj +/TT0 1 Tf +(.)Tj +1.8 -2.24 Td +(Deplo)Tj +2.656 0 Td +(yment )Tj +3.029 0 Td +(of )Tj +1.196 0 Td +(the )Tj +1.696 0 Td +(blog )Tj +2.252 0 Td +(softw)Tj +2.261 0 Td +(are )Tj +1.695 0 Td +(as )Tj +1.251 0 Td +(a )Tj +0.862 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.862 0 Td +(EE )Tj +1.362 0 Td +(6 )Tj +0.881 0 Td +(W)Tj +0.963 0 Td +(eb )Tj +/C2_0 1 Tf +1.418 0 Td +<002C004A0047005D>Tj +/TT0 1 Tf +(le )Tj +3.104 0 Td +(W)Tj +0.955 0 Td +(AR )Tj +1.64 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.251 0 Td 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+(implementation )Tj +7.258 0 Td +(of )Tj +1.312 0 Td +(a )Tj +0.978 0 Td +(SO)Tj +1.296 0 Td +(AP )Tj +1.701 0 Td +(endpoint )Tj +4.314 0 Td +(is )Tj +1.145 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.534 0 Td +(easier )Tj +2.978 0 Td +(to )Tj +1.312 0 Td +(implement )Tj +5.09 0 Td +(than )Tj +2.368 0 Td +(a )Tj +0.978 0 Td +(compar)Tj +3.266 0 Td +(able )Tj +-40.366 -1.44 Td +(R)Tj +(E)Tj +(S)Tj +(T)Tj +(f)Tj +(u)Tj +(l )Tj +4.058 0 Td +(s)Tj +(e)Tj +(r)Tj +(v)Tj +(i)Tj +(c)Tj +(e)Tj +(. )Tj +4.057 0 Td +(S)Tj +(O)Tj +1.296 0 Td +(A)Tj +(P)Tj +(\222)Tj +1.409 0 Td +(s )Tj +1.167 0 Td +(s)Tj +(h)Tj +(o)Tj +(r)Tj +(t)Tj +(c)Tj +(o)Tj +(m)Tj +(i)Tj +(n)Tj +(g )Tj +6.114 0 Td +(i)Tj +(s )Tj +1.445 0 Td +(t)Tj +(h)Tj +(e )Tj +2.112 0 Td +(r)Tj +(e)Tj +(q)Tj +(u)Tj +(i)Tj +(r)Tj +(e)Tj +(d )Tj +4.391 0 Td +(a)Tj +(d)Tj +(d)Tj +(i)Tj +(t)Tj +(i)Tj +(o)Tj +(n)Tj +(a)Tj +(l )Tj +5.115 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(e)Tj +(r)Tj +(h)Tj +(e)Tj +(a)Tj +(d)Tj +(: )Tj +4.002 0 Td +(t)Tj 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for RPC communication is the open sour)Tj +24.109 0 Td +(ce libr)Tj +2.711 0 Td +(ary called \223Hessian\224 )Tj +ET + +endstream +endobj +64 0 obj<>stream +HW PTϹ./w{]uA|vV@d j4kԄ>ҨrEYZtLSih435&N ߽Pau=M 0 +@Ϊ`ccm I!Pq}CDY7}rz&ޱc/b#RWд)O+~CUAhLx!ǃ Q"6qMZ #2?7{ 02AQG2K'(G +S8Dڻw:{[W;o.nz:U9Y%,o"Ei4<Mta̟C 4vf׶w^K۴8EO tU;AVA:~X\iznC漶H뤑 yF']xX^N'l+;h9qdReNiEoZ/ȡ<=#0{5=l/w]J<H m`?3v[$ME)TU+ Q3ېv83Il>] +_GR,#>!vImsquQ=B;MS 5Y!sՐ0{wͽ2nrcx>o{!~) +{:+&{Ÿz}S+.i7H6쌋 +b8*~Į!XJ7,Ma!KRղ䤁x*Ocy_x_a!S +NoM(1qUK|K-=,-VJai&TI祋VStE ڰ;gqfOGd~ +=NU,Hj)G{ThI8 '8v +ԡQ8HIG0TtQ}VSgn^n΄qWm5;klfF%+cFj>,%9)1$g(YPJII+AUFxp*2ypnt*,ϥ٣݊e`v+~Yj؋ fRU=jqsMp]t$8NJ4?RcWx Q`]3m6?b0GVIU+ջNZЭ`O~^jVӶ\@`x=bkCa7$wfx0ugؙ@÷J C2&PG)q"vh>l(P>D+󏡋q䩩 PGk\f딚hkc[RM nRoSno.n ٫)4\|aW=qAHǀj_p1Գƺ!ʘm%#D1lq[MUKB͡ڪ2"H>s!oƻj +rIDx}Ybj!)΃NY(^g/Ceh3t'yov]]bLl3E.n$Xߎ2w-tNXzpJ*Jf/'dg[:;[o ua`;Е=z9.2|3EKǓ W&G9벞1ʆaouzIX`nT@VuOvGdw0%&BRYmS >v0$o s7P7}"ו2<+" V4TAP^FvPJNU +w3b͠8{. ͞v0Vo0TX`1MC]UG^UM];nĮ u+Kpqpqppqpp`\^m7j{`qPe7Z,L ";?X@660m,  XB D2A#1߻U^^NBj˱ d#my l$\F()NA +}eT N]+6$)(l*v3@tbT Y. +ҰH˔]62DlLsHuTPmNr*EnWÜ@J" N +dWC.?]3KXk Q#]v0.UQ~y +endstream +endobj +65 0 obj<>endobj +66 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 67 0 R>>endobj +67 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(24)Tj +0 Tc 0 Tw -20.432 57.06 Td +(\()Tj +(http://hessian.cauc)Tj +8.264 0 Td +(ho.com/)Tj +(\). )Tj +4.469 0 Td +(Hessian )Tj +3.746 0 Td +(feels )Tj +2.301 0 Td +(like )Tj +1.912 0 Td +(RMI, )Tj +2.412 0 Td +(but )Tj +1.746 0 Td +(it )Tj +0.912 0 Td +(communicates )Tj +6.635 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(er )Tj +1.189 0 Td +(HTTP)Tj +2.317 0 Td +(. )Tj +0.634 0 Td +(It )Tj +0.912 0 Td +(is )Tj +1.023 0 Td +(a )Tj +0.856 0 Td +(lean )Tj +-40.366 -1.44 Td +(servlet)Tj +/TT1 1 Tf +(-)Tj +/TT0 1 Tf +(based solution. )Tj +1.8 -2.24 Td +(Hessian )Tj +3.686 0 Td +(is )Tj +0.963 0 Td +(easy )Tj +2.185 0 Td +(to )Tj +1.13 0 Td +(use, )Tj +2.019 0 Td +(simple, )Tj +3.408 0 Td +(fast, )Tj +2.019 0 Td +(and )Tj +1.908 0 Td +(well )Tj +2.13 0 Td +(documented, )Tj +5.965 0 Td +(but )Tj +1.686 0 Td +(unfortunately)Tj +5.633 0 Td +(, )Tj +0.574 0 Td +(it )Tj +0.852 0 Td +(is )Tj +0.963 0 Td +(not )Tj +1.686 0 Td +(a )Tj +0.796 0 Td +(part )Tj +1.963 0 Td +(of )Tj +-41.366 -1.44 Td +(the )Tj +1.669 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.835 0 Td +(EE )Tj +1.335 0 Td +(6 )Tj +0.891 0 Td +(platform. )Tj +4.188 0 Td +(A )Tj +1.002 0 Td +(small )Tj +2.613 0 Td +(\(385 )Tj +2.281 0 Td +(KB\) )Tj +1.835 0 Td +(J)Tj +0.26 0 Td +(AR )Tj +/C2_0 1 Tf +1.613 0 Td +<005D>Tj +/TT0 1 Tf +(le, )Tj +/TT1 1 Tf +1.947 0 Td +(hessian-4.0.7)Tj +/TT0 1 Tf +( )Tj +8.137 0 Td +(\()Tj +(http://hessian.cauc)Tj +8.264 0 Td +(ho.com/)Tj +(\), )Tj +-38.087 -1.44 Td +(must )Tj +2.452 0 Td +(be )Tj +1.452 0 Td +(distributed )Tj +4.954 0 Td +(to )Tj +1.23 0 Td +(the )Tj +1.73 0 Td +(client )Tj +2.786 0 Td +(and )Tj +2.008 0 Td +(serv)Tj 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-1.44 Td +(URLConnection)Tj +/TT0 1 Tf +( is also kno)Tj +12.625 0 Td +(wn for its connection pooling limitations and problems. )Tj +-10.825 -2.24 Td +(F)Tj +0.455 0 Td +(or )Tj +1.239 0 Td +(the )Tj +1.684 0 Td +(proxy )Tj +2.795 0 Td +(implementation)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +7.38 0 Td +(I )Tj +0.628 0 Td +(decided )Tj +3.796 0 Td +(to )Tj +1.184 0 Td +(use )Tj +1.795 0 Td +(plain )Tj +2.518 0 Td +(soc)Tj +1.427 0 Td +(kets )Tj +2.017 0 Td +(\()Tj +/TT1 1 Tf +(java.net.Socket)Tj +/TT0 1 Tf +(\) )Tj +/C2_0 1 Tf +9.908 0 Td +<005D>Tj +/TT0 1 Tf +(rst )Tj +1.906 0 Td +(\(see)Tj +( )Tj +-40.533 -1.44 Td +(Listing )Tj +3.173 0 Td +(9\). )Tj +1.506 0 Td +(It )Tj +0.95 0 Td +(is )Tj +1.061 0 Td +(easy )Tj +2.283 0 Td +(to )Tj +1.228 0 Td +(implement, )Tj +5.284 0 Td +(test)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.089 0 Td +(and )Tj +2.006 0 Td +(extend )Tj +3.284 0 Td +(but )Tj +1.784 0 Td +(it )Tj +0.95 0 Td +(is )Tj +1.061 0 Td +(not )Tj +1.784 0 Td +(as )Tj +1.283 0 Td +(elegant )Tj +3.506 0 Td +(as )Tj +1.283 0 Td +(a )Tj +0.894 0 Td +(dedicated )Tj +4.618 0 Td +(REST )Tj +-40.033 -1.44 Td +(client.)Tj +/TT1 1 Tf +0 -1.79 TD +(package com.abien.xray.http;)Tj +T* +(public class RESTClient {)Tj +0 -1.79 TD +( //\205)Tj +ET + +endstream +endobj +68 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 69 0 R>>endobj +69 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(25)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( public static final String PATH = "/x-ray/resources/hits";)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +(//\205)Tj +0 -1.79 TD +( Socket socket = new Socket\(inetAddress, port\);)Tj +T* +( BufferedWriter wr = new BufferedWriter\(new OutputStreamWriter)Tj +0 -0.99 TD +(\(socket.getOutputStream\(\), "UTF8"\)\);)Tj +0 -1.79 TD +( wr.write\(\223PUT " + path + " HTTP/1.0\\r\\n"\);)Tj +T* +( wr.write\("Content-Length: " + content.length\(\) + "\\r\\n"\);)Tj +T* +( wr.write\("Content-Type: text/plain\\r\\n"\);)Tj +T* +( wr.write\("\\r\\n"\);)Tj +T* +( wr.write\(content\);)Tj +T* +( wr.flush\(\);)Tj +T* +(//\205 consumer response)Tj +T* +( wr.close\(\);)Tj +T* +( //\205)Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 9: Plain Soc)Tj +8.153 0 Td +(ket Implementation of the HTTP POST)Tj +-6.353 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.615 0 Td +(plain )Tj +2.727 0 Td +(soc)Tj +1.427 0 Td +(ket )Tj +1.837 0 Td +(implementation )Tj +7.339 0 Td +(should )Tj +3.45 0 Td +(meet )Tj +2.67 0 Td +(our )Tj +2.004 0 Td +(requirements. )Tj +6.449 0 Td +(Furthermore)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +6.087 0 Td +(it )Tj +1.115 0 Td +(can )Tj +2.115 0 Td +(be )Tj +-41.144 -1.44 Td +(extended )Tj +4.44 0 Td +(easily)Tj +2.353 0 Td +(, )Tj +0.772 0 Td +(for )Tj +1.661 0 Td +(example, )Tj +4.439 0 Td +(with )Tj +2.384 0 Td +(soc)Tj +1.427 0 Td +(ket )Tj +1.772 0 Td +(pooling)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.024 0 Td +(to )Tj +1.328 0 Td +(satisfy )Tj +3.106 0 Td +(future )Tj +2.995 0 Td +(scalability )Tj +4.829 0 Td +(needs. )Tj +3.273 0 Td +(X-r)Tj +1.265 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.994 0 Td +(is )Tj +-41.533 -1.44 Td +(m)Tj +0.866 0 Td +(e)Tj +0.533 0 Td +(a)Tj +0.533 0 Td +(n)Tj +0.589 0 Td +(t )Tj +1.072 0 Td +(t)Tj +0.311 0 Td +(o )Tj +1.35 0 Td +(b)Tj +0.589 0 Td +(e )Tj +1.294 0 Td +(d)Tj +0.589 0 Td +(e)Tj +0.533 0 Td +(s)Tj +0.422 0 Td +(i)Tj +0.311 0 Td +(g)Tj +0.533 0 Td +(n)Tj +0.589 0 Td +(e)Tj +0.533 0 Td +(d )Tj +1.35 0 Td +(a)Tj +0.533 0 Td +(c)Tj +0.533 0 Td +(c)Tj +0.533 0 Td +(o)Tj +0.589 0 Td +(r)Tj +0.366 0 Td +(d)Tj +0.589 0 Td +(i)Tj +0.311 0 Td +(n)Tj +0.589 0 Td +(g )Tj +1.294 0 Td +(t)Tj +0.311 0 Td +(o )Tj +1.35 0 Td +(t)Tj +0.311 0 Td +(h)Tj +0.589 0 Td +(e )Tj +1.294 0 Td +(K)Tj +0.644 0 Td +(I)Tj +0.311 0 Td +(S)Tj +0.533 0 Td +(S )Tj +1.294 0 Td +(p)Tj +0.589 0 Td +(r)Tj +0.366 0 Td +(i)Tj +0.311 0 Td +(n)Tj +0.589 0 Td +(c)Tj +0.533 0 Td +(i)Tj +0.311 0 Td +(p)Tj +0.589 0 Td +(l)Tj +0.311 0 Td +(e )Tj +1.294 0 Td +(\()Tj +0.311 0 Td +(h)Tj +0.589 0 Td +(t)Tj +0.311 0 Td +(t)Tj +0.311 0 Td +(p)Tj +0.589 0 Td +(:)Tj +0.311 0 Td +(/)Tj +0.311 0 Td +(/)Tj +0.311 0 Td +(e)Tj +0.533 0 Td +(n)Tj +0.589 0 Td +(.)Tj +0.311 0 Td +(w)Tj +0.811 0 Td +(i)Tj +0.311 0 Td +(k)Tj +0.533 0 Td +(i)Tj +0.311 0 Td +(p)Tj +0.589 0 Td +(e)Tj +0.533 0 Td +(d)Tj +0.589 0 Td +(i)Tj +0.311 0 Td +(a)Tj +0.533 0 Td +(.)Tj +0.311 0 Td +(o)Tj +0.589 0 Td +(r)Tj +0.366 0 Td +(g)Tj +0.533 0 Td +(/)Tj +0.311 0 Td +(w)Tj +0.811 0 Td +(i)Tj +0.311 0 Td +(k)Tj +0.533 0 Td +(i)Tj +0.311 0 Td +(/)Tj +-41.922 -1.44 Td +(KISS_principle)Tj +(\))Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +7.441 0 Td +(so )Tj +1.634 0 Td +(there )Tj +2.856 0 Td +(is )Tj +1.356 0 Td +(no )Tj +1.801 0 Td +(premature )Tj +5.078 0 Td +(optimization )Tj +6.136 0 Td +(of )Tj +1.523 0 Td +(the )Tj +2.023 0 Td +(design, )Tj +3.746 0 Td +(implementation)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +7.719 0 Td +(or )Tj +-41.311 -1.44 Td +(ar)Tj +0.821 0 Td +(c)Tj +0.482 0 Td +(hitecture. )Tj +0.497 -2.24 Td +(It )Tj +1.203 0 Td +(turned )Tj +3.426 0 Td +(out )Tj +2.037 0 Td +(that )Tj +2.259 0 Td +(the )Tj +1.981 0 Td +(simplistic )Tj +4.704 0 Td +(soc)Tj +1.427 0 Td +(ket )Tj +1.925 0 Td +(implementation )Tj +7.427 0 Td +(sho)Tj +1.489 0 Td +(wn )Tj +1.981 0 Td +(in )Tj +1.481 0 Td +(Listing )Tj +3.426 0 Td +(9 )Tj +1.203 0 Td +(went )Tj +2.759 0 Td +(into)Tj +( )Tj +-40.532 -1.44 Td +(production )Tj +5.026 0 Td +(without )Tj +3.581 0 Td +(an)Tj +1.038 0 Td +(y )Tj +/C2_0 1 Tf +0.801 0 Td +<00450047003C0041005D>Tj +/TT0 1 Tf +(cations. )Tj +6.415 0 Td +(It )Tj +0.857 0 Td +(is )Tj +0.968 0 Td +(more )Tj +2.523 0 Td +(than )Tj +2.191 0 Td +(good )Tj +2.469 0 Td +(enough. )Tj +3.803 0 Td +(In )Tj +1.135 0 Td +(the )Tj +1.635 0 Td +(majority )Tj +3.857 0 Td +(of )Tj +1.135 0 Td +(all )Tj +1.357 0 Td +(cases, )Tj +2.857 0 Td +(it)Tj +( )Tj +-41.644 -1.44 Td +(is )Tj +0.967 0 Td +(faster )Tj +2.578 0 Td +(than )Tj +2.19 0 Td +(1 )Tj +0.856 0 Td +(ms )Tj +1.522 0 Td +(and )Tj +1.912 0 Td +(in )Tj +1.134 0 Td +(the )Tj +1.634 0 Td +(w)Tj +0.766 0 Td +(orst )Tj +1.856 0 Td +(case )Tj +2.189 0 Td +(it )Tj +0.856 0 Td +(takes )Tj +2.467 0 Td +(10ms. )Tj +2.912 0 Td +(In )Tj +1.134 0 Td +(comparison)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +5.607 0 Td +(the )Tj +1.634 0 Td +(request )Tj +3.412 0 Td +(performance )Tj +5.745 0 Td +(of )Tj +-41.366 -1.44 Td +(the Roller softw)Tj +6.707 0 Td +(are v)Tj +2.087 0 Td +(aried from 10 ms to 13 seconds.)Tj +-6.994 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.428 0 Td +(serv)Tj +1.71 0 Td +(er)Tj +0.778 0 Td +(-side )Tj +2.428 0 Td +(counterpart )Tj +5.318 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.261 0 Td +(far )Tj +1.483 0 Td +(easier )Tj +2.872 0 Td +(to )Tj +1.206 0 Td +(implement. )Tj +5.225 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.484 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.872 0 Td +(EE )Tj +1.372 0 Td +(6 )Tj +0.928 0 Td +(and )Tj +1.984 0 Td +(J)Tj +0.26 0 Td +(AX-RS)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.344 0 Td +(it )Tj +0.928 0 Td +(boils )Tj +-40.143 -1.44 Td +(do)Tj +1.1 0 Td +(wn to a few annotations \(see Listing 10\).)Tj +/TT3 1 Tf +-1.1 -1.79 Td +(@Path\("hits"\))Tj +/TT1 1 Tf +0 -1.79 TD +(@Interceptors\(PerformanceAuditor.class\))Tj +T* +(@Stateless)Tj +T* +(public class HitsResource {)Tj +3.6 -1.79 Td +(//...)Tj +/TT3 1 Tf +-3.6 -1.79 Td +( @POST)Tj +T* +( @Consumes\({MediaType.TEXT_PLAIN}\))Tj +ET + +endstream +endobj +70 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 72 0 R>>endobj +71 0 obj<>endobj +72 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(26)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( public Response updateStatistics\(String url\) {)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( if \(!isEmpty\(url\)\) {)Tj +0 -1.79 TD +( processURL\(url\);)Tj +T* +( })Tj +T* +( return Response.ok\(\).build\(\);)Tj +T* +( })Tj +T* +( //...)Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 10: )Tj +4.651 0 Td +(T)Tj +0.511 0 Td +(he Serv)Tj +3.155 0 Td +(er)Tj +0.778 0 Td +(-Side POST)Tj +4.779 0 Td +(-Consuming Method)Tj +-12.074 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.504 0 Td +(@Stateless)Tj +/TT0 1 Tf +( )Tj +6.449 0 Td +(annotation )Tj +5.062 0 Td +(tr)Tj +0.599 0 Td +(ansforms )Tj +4.282 0 Td +(a )Tj +0.949 0 Td +(POJO )Tj +2.949 0 Td +(into )Tj +2.117 0 Td +(an )Tj +1.504 0 Td +(EJB )Tj +1.837 0 Td +(3.1 )Tj +1.839 0 Td +(bean. )Tj +2.839 0 Td +(EJB )Tj +1.837 0 Td +(3.1 )Tj +1.839 0 Td +(beans )Tj +2.95 0 Td +(are )Tj +-40.867 -1.44 Td +(especially )Tj +4.679 0 Td +(interesting )Tj +4.846 0 Td +(for )Tj +1.567 0 Td +(the )Tj +1.734 0 Td +(realization )Tj +4.957 0 Td +(of )Tj +1.234 0 Td +(a )Tj +0.9 0 Td +(REST )Tj +2.567 0 Td +(entry )Tj +2.567 0 Td +(point. )Tj +2.828 0 Td +(T)Tj +0.511 0 Td +(hey )Tj +1.956 0 Td +(are )Tj +1.733 0 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0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 81 0 R>>endobj +81 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(30)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( )Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( )Tj +/TT2 1 Tf +(serviceURL)Tj +/TT1 1 Tf +()Tj +0 -1.79 TD +( http://localhost:8080/x-ray/resources/hits)Tj +0 -1.79 TD +( )Tj +T* +()Tj +T* +()Tj +T* +( )Tj +T* +( HTTPRequestInterceptor)Tj +T* +( /*)Tj +T* +( )Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 12: F)Tj +5.207 0 Td +(ilter Declar)Tj +/C2_0 1 Tf +4.822 0 Td +<0039004C004100470046000100390046003C0001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +8.048 0 Td +(ation in web.xml)Tj +-16.277 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/C2_0 1 Tf +1.358 0 Td +<005D>Tj +/TT0 1 Tf +(lter )Tj +2.247 0 Td +(has )Tj +1.747 0 Td +(to )Tj +1.136 0 Td +(be )Tj +1.358 0 Td +(declared )Tj +/C2_0 1 Tf +4.025 0 Td +<005D>Tj +/TT0 1 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+(e )Tj +/TT1 1 Tf +-41.7 -1.44 Td +(HTTPRequestRESTInterceptor)Tj +/TT0 1 Tf +( \(see Listing 18\).)Tj +/TT1 1 Tf +0 -4.03 TD +(public class XRayMonitoring implements XRayMonitoringMBean{)Tj +0 -1.79 TD +( )Tj +T* +( public final static String JMX_NAME = XRayMonitoring.class.getName\(\);\ )Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public int getNrOfRejectedJobs\(\) {)Tj +T* +( return HTTPRequestRESTInterceptor.getNrOfRejectedJobs\(\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public long getXRayPerformance\(\) {)Tj +T* +( return HTTPRequestRESTInterceptor.getXRayPerformance\(\);)Tj +T* +( })Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public long getApplicationPerformance\(\) {)Tj +T* +( return HTTPRequestRESTInterceptor.getApplicationPerformance\(\);\ )Tj +T* +( })Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public void reset\(\) {)Tj +ET + +endstream +endobj +96 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 97 0 R>>endobj +97 0 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+0.863 0 Td +(a )Tj +0.863 0 Td +(dev)Tj +1.544 0 Td +(eloper )Tj +3.086 0 Td +(without )Tj +3.643 0 Td +(asking )Tj +3.086 0 Td +(the )Tj +-40.866 -1.44 Td +(domain expert. )Tj +/TT3 1 Tf +12 0 0 12 57 332.4 Tm +(HTTPRequestRESTInter)Tj +10.157 0 Td +(ceptor at Large)Tj +/TT0 1 Tf +10 0 0 10 75 310 Tm +(Until )Tj +2.457 0 Td +(no)Tj +1.1 0 Td +(w)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +1.317 0 Td +(I )Tj +0.567 0 Td +(discussed )Tj +4.402 0 Td +(v)Tj +0.476 0 Td +(arious )Tj +2.901 0 Td +(snippets )Tj +3.791 0 Td +(from )Tj +2.289 0 Td +(the )Tj +/TT1 1 Tf +1.623 0 Td +(HTTPRequestRESTInterceptor)Tj +/TT0 1 Tf +(. )Tj +16.169 0 Td +(It\222)Tj +0.742 0 Td +(s )Tj +0.678 0 Td +(time )Tj +-40.311 -1.44 Td +(to put all the pieces together \(see Listing 22\). )Tj +1.8 -2.24 Td +(Surprisingly)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +/TT1 1 Tf +5.614 0 Td +(HTTPRequestRESTInterceptor)Tj +/TT0 1 Tf +( )Tj +15.909 0 Td +(relies )Tj +2.585 0 Td +(on )Tj +1.419 0 Td +(a )Tj +0.807 0 Td +(static 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for all )Tj +/TT1 1 Tf +(HTTPRequestRESTInterceptor)Tj +/TT0 1 Tf +( instances. )Tj +/TT1 1 Tf +1.8 -4.03 Td +(public class HTTPRequestRESTInterceptor implements Filter {)Tj +0 -3.58 TD +( private final static Logger LOG = Logger.getLogger)Tj +-1.8 -0.99 Td +(\(HTTPRequestRESTInterceptor.class.getName\(\)\);)Tj +1.8 -1.79 Td +( private String serviceURL;)Tj +0 -1.79 TD +( private URL url;)Tj +T* +( RESTClient client;)Tj +ET + +endstream +endobj +110 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 111 0 R>>endobj +111 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(43)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 634.1 Tm +( static final String REFERER = "referer";)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 616.2 Tm +( static final String DELIMITER = "|";)Tj +0 -1.79 TD +( static Executor executor = null;)Tj +T* +( private static AtomicInteger nrOfRejectedJobs = new )Tj +-1.8 -0.99 Td +(AtomicInteger\(0\);)Tj +1.8 -1.79 Td +( private static long xrayPerformance = -1;)Tj +0 -1.79 TD +( private static long worstXrayPerformance = -1;)Tj +0 -1.79 TD +( private static long applicationPerformance = -1;)Tj +0 -1.79 TD +( private static long worstApplicationPerformance = -1;)Tj +T* +( public final static int NR_OF_THREADS = 2;)Tj +0 -1.79 TD +( public final static int QUEUE_CAPACITY = 5;)Tj +0 -3.58 TD +( static {)Tj +0 -1.79 TD +( setupThreadPools\(\);)Tj +T* +( registerMonitoring\(\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public void init\(FilterConfig filterConfig\) throws )Tj +-1.8 -0.99 Td +(ServletException {)Tj +1.8 -1.79 Td +( this.serviceURL = filterConfig.getInitParameter)Tj +-1.8 -0.99 Td +(\("serviceURL"\);)Tj +1.8 -1.79 Td +( try {)Tj +0 -1.79 TD +( this.url = new URL\(this.serviceURL\);)Tj +0 -1.79 TD +( this.client = new RESTClient\(this.url\);)Tj +T* +( } catch \(MalformedURLException ex\) {)Tj +T* +( Logger.getLogger)Tj +-1.8 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nrOfRejectedJobs.incrementAndGet)Tj +-1.8 -0.99 Td +(\(\);)Tj +1.8 -1.79 Td +( LOG.log\(Level.SEVERE, "Job: {0} rejected. 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)Tj +-1.8 -0.99 Td +(start\);)Tj +1.8 -1.79 Td +( worstApplicationPerformance = Math.max)Tj +-1.8 -0.99 Td +(\(applicationPerformance, worstApplicationPerformance\);)Tj +1.8 -1.79 Td +( sendAsync\(uri, referer\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public void sendAsync\(final String uri, final String referer\) {)Tj +0 -1.79 TD +( Runnable runnable = getInstrumentedRunnable\(uri, referer\);)Tj +T* +( String actionName = createName\(uri, referer\);)Tj +T* +( executor.execute\(new ThreadNameTrackingRunnable\(runnable, )Tj +-1.8 -0.99 Td +(actionName\)\);)Tj +1.8 -1.79 Td +( })Tj +T* +( )Tj +T* +( public Runnable getInstrumentedRunnable\(final String uri, final )Tj +-1.8 -0.99 Td +(String referer\) {)Tj +1.8 -1.79 Td +( return new Runnable\(\) {)Tj +0 -1.79 TD +( @Override)Tj +0 -1.79 TD +( public void run\(\) {)Tj +T* +( long start = System.currentTimeMillis\(\);)Tj +T* +( send\(uri, referer\);)Tj +T* +( xrayPerformance = \(System.currentTimeMillis\(\) - )Tj +-1.8 -0.99 Td +(start\);)Tj +1.8 -1.79 Td +( worstXrayPerformance = Math.max\(xrayPerformance, )Tj +-1.8 -0.99 Td +(worstXrayPerformance\);)Tj +1.8 -1.79 Td +( })Tj +T* +( };)Tj +T* +( } )Tj +0 -3.58 TD +( String createName\(final String uri, final String referer\) {)Tj +0 -1.79 TD +( return uri + "|" + referer;)Tj +T* +( })Tj +ET + +endstream +endobj +116 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 118 0 R>>endobj +117 0 obj<>endobj +118 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(46)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 634.1 Tm +( public void send\(final String uri, final String referer\) {)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 616.2 Tm +( String message = createMessage\(uri, referer\);)Tj +0 -1.79 TD +( client.put\(message\);)Tj +T* +( })Tj +0 -3.58 TD +( String createMessage\(String uri, String referer\) {)Tj +0 -1.79 TD +( if \(referer == null\) {)Tj +T* +( return uri;)Tj +T* +( })Tj +T* +( return uri + DELIMITER + referer;)Tj +T* +( })Tj +0 -3.58 TD +( public static int getNrOfRejectedJobs\(\) {)Tj +0 -1.79 TD +( return nrOfRejectedJobs.get\(\);)Tj +T* +( })Tj +0 -3.58 TD +( public static long getApplicationPerformance\(\) {)Tj +0 -1.79 TD +( return applicationPerformance;)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public static long getXRayPerformance\(\) {)Tj +0 -1.79 TD +( return xrayPerformance;)Tj +T* +( })Tj +0 -3.58 TD +( public static long getWorstApplicationPerformance\(\) {)Tj +0 -1.79 TD +( return worstApplicationPerformance;)Tj +T* +( })Tj +0 -3.58 TD +( public static long getWorstXRayPerformance\(\) {)Tj +0 -1.79 TD +( return worstXrayPerformance;)Tj +T* +( })Tj +ET + +endstream +endobj +119 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 120 0 R>>endobj +120 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(47)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 634.1 Tm +( public static void resetStatistics\(\) {)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 616.2 Tm +( worstApplicationPerformance = 0;)Tj +0 -1.79 TD +( worstXrayPerformance = 0;)Tj +T* +( applicationPerformance = 0;)Tj +T* +( xrayPerformance = 0;)Tj +T* +( nrOfRejectedJobs.set\(0\);)Tj +T* +( })Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public void destroy\(\) {)Tj +T* +( })Tj +0 -3.58 TD +(})Tj +/TT0 1 Tf +-1.8 -1.88 Td +(Listing 22: HTTPRequestRESTInter)Tj +14.661 0 Td +(ceptor at Large)Tj +-12.861 -2.24 Td +(Starting )Tj +3.576 0 Td +(threads )Tj +3.465 0 Td +(in )Tj +1.187 0 Td +(an )Tj +1.409 0 Td +(EJB )Tj +1.742 0 Td +(container )Tj +4.41 0 Td +(is )Tj +1.02 0 Td +(prohibited. )Tj +5.078 0 Td +(Starting )Tj +3.576 0 Td +(threads )Tj +3.465 0 Td +(in )Tj +1.187 0 Td +(a )Tj +0.816 0 Td +(W)Tj +0.963 0 Td +(eb )Tj +1.409 0 Td +(container )Tj +4.41 0 Td +(is )Tj +1.02 0 Td +(not. )Tj +-40.532 -1.44 Td +(Both )Tj +2.388 0 Td +(containers )Tj +4.833 0 Td +(are )Tj +1.72 0 Td +(usually )Tj +3.444 0 Td +(executed )Tj +4.277 0 Td +(in )Tj +1.221 0 Td +(the )Tj +1.721 0 Td +(same )Tj +2.609 0 Td +(JVM )Tj +2.221 0 Td +(process, )Tj +3.888 0 Td +(so )Tj +1.332 0 Td +(constr)Tj +2.6 0 Td +(aints )Tj +2.388 0 Td +(regarding )Tj +4.443 0 Td +(the )Tj +1.721 0 Td +(EJB )Tj +-40.811 -1.44 Td +(container )Tj +4.491 0 Td +(might )Tj +2.879 0 Td +(seem )Tj +2.656 0 Td +(str)Tj +0.988 0 Td +(ange )Tj +2.49 0 Td +(at )Tj +1.212 0 Td +(the )Tj +/C2_0 1 Tf +1.768 0 Td +<005D>Tj +/TT0 1 Tf +(rst )Tj +1.99 0 Td +(glance. )Tj +3.546 0 Td +(K)Tj +0.587 0 Td +(eep )Tj +1.99 0 Td +(in )Tj +1.268 0 Td +(mind )Tj +2.657 0 Td +(that )Tj +2.046 0 Td +(the )Tj +1.768 0 Td +(Servlet )Tj +/C2_0 1 Tf +3.323 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(cation )Tj +5.881 0 Td +(is )Tj +-41.533 -1.44 Td +(older than EJB)Tj +6.034 0 Td +(. 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)Tj +1.623 0 Td +(enhanced )Tj +4.791 0 Td +(to )Tj +1.401 0 Td +(support )Tj +3.791 0 Td +(the )Tj +1.901 0 Td +(additional )Tj +4.903 0 Td +(user )Tj +2.345 0 Td +(agent )Tj +-39.866 -1.44 Td +(par)Tj +1.377 0 Td +(ameter)Tj +2.87 0 Td +(. )Tj +0.482 0 Td +(T)Tj +/C2_0 1 Tf +0.511 0 Td +<0040003D0001003B004D004A004A003D0046004C0001003D0046003B0047003C00410046003F00010041004B000100460047004C0001005E>Tj +/TT0 1 Tf +(exible enough. See the follo)Tj +24.111 0 Td +(wing excerpt from Listing 22:)Tj +/TT3 1 Tf +-27.551 -1.79 Td +( String createName\(final String uri, final String referer\) {)Tj +0 -1.79 TD +( return uri + "|" + referer;)Tj +T* +( })Tj +/TT0 1 Tf +0 -2.24 TD +(Ac)Tj +1.149 0 Td +(hieving )Tj +3.823 0 Td +(serv)Tj +1.71 0 Td +(er)Tj +/TT1 1 Tf +(-)Tj +/TT0 1 Tf +(side )Tj +/C2_0 1 Tf +3.544 0 Td +<005D>Tj +/TT0 1 Tf +(ltering )Tj +3.934 0 Td +(turned )Tj +3.434 0 Td +(out )Tj +2.045 0 Td +(to )Tj +1.489 0 Td +(be )Tj +1.711 0 Td +(major )Tj +3.155 0 Td +(rew)Tj +1.599 0 Td +(ork. )Tj +2.322 0 Td +(Encoding )Tj +4.657 0 Td +(of )Tj +1.489 0 Td +(additional )Tj +-37.864 -1.44 Td +(key-v)Tj +2.309 0 Td +(alue )Tj +2.253 0 Td +(pairs )Tj +2.475 0 Td +(in )Tj +1.253 0 Td +(the )Tj +1.753 0 Td +(HTTP )Tj +2.865 0 Td +(bod)Tj +1.644 0 Td +(y )Tj +0.919 0 Td +(w)Tj +0.76 0 Td +(as )Tj +ET +BT +/TT0 1 Tf +10 0 0 10 232.3573 115.5001 Tm +(completely )Tj +5.198 0 Td +(remo)Tj +2.21 0 Td +(v)Tj +0.488 0 Td +(ed )Tj +1.475 0 Td +(and )Tj +2.031 0 Td +(they )Tj +2.253 0 Td +(were )Tj +2.53 0 Td +(passed )Tj +3.309 0 Td +(in )Tj +1.253 0 Td +(an )Tj +1.475 0 Td +(HTTP )Tj +-39.754 -1.44 Td +(header )Tj +3.376 0 Td +(instead. )Tj +3.766 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.32 0 Td +(this )Tj +1.932 0 Td +(purpose)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.127 0 Td +(the )Tj +1.765 0 Td +(client )Tj +2.821 0 Td +(implementation )Tj +7.211 0 Td +(had )Tj +2.043 0 Td +(to )Tj +1.265 0 Td +(be )Tj +1.487 0 Td +(extended )Tj +4.377 0 Td +(to )Tj +1.265 0 Td +(support )Tj +3.655 0 Td +(the )Tj +-40.866 -1.44 Td +(key)Tj +/TT3 1 Tf +(-)Tj +/TT0 1 Tf +(v)Tj +2.576 0 Td +(alue pairs passed in HTTP header \(see Listing 24\):)Tj +ET + +endstream +endobj +125 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 126 0 R>>endobj +126 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(50)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +(public static final String )Tj +/TT2 1 Tf +(HEADER_NAME_PREFIX)Tj +/TT1 1 Tf +( = "xray_";)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +(public void put\(String content, Map headers\) {)Tj +0 -1.79 TD +( try {)Tj +T* +( Socket socket = new Socket\(inetAddress, port\);)Tj +T* +( socket.setSoTimeout\(TIMEOUT\);)Tj +T* +( BufferedWriter wr = new BufferedWriter\(new )Tj +0 -0.99 TD +(OutputStreamWriter\(socket.getOutputStream\(\), "UTF8"\)\);)Tj +0 -1.79 TD +( wr.write\(\223PUT " + path + " HTTP/1.0\\r\\n"\);)Tj +T* +( wr.write\(getFormattedHeader\("Content-Length","" + )Tj +0 -0.99 TD +(content.length\(\)\)\);)Tj +0 -1.79 TD +( wr.write\(getFormattedHeader\("Content-Type", "text/)Tj +0 -0.99 TD +(plain"\)\);)Tj +/TT2 1 Tf +0 -1.79 TD +( for \(Map.Entry header : headers.entrySet)Tj +0 -0.99 TD +(\(\)\) {)Tj +0 -1.79 TD +( wr.write\(getFormattedHeader\(HEADER_NAME_PREFIX + )Tj +0 -0.99 TD +(header.getKey\(\),header.getValue\(\)\)\);)Tj +0 -1.79 TD +( })Tj +/TT1 1 Tf +T* +( //bookkeeping skipped)Tj +T* +( })Tj +T* +( String getFormattedHeader\(String key,String value\){)Tj +T* +( return key + ": " + value + "\\r\\n";)Tj +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 24: P)Tj +5.189 0 Td +(assing )Tj +2.853 0 Td +(Additional K)Tj +5.368 0 Td +(ey )Tj +1.186 0 Td +(V)Tj +0.612 0 Td +(alues in a Header)Tj +-13.408 -2.24 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.496 0 Td +(the )Tj +1.718 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(ailability )Tj +4.108 0 Td +(of )Tj +1.218 0 Td +(key-v)Tj +2.309 0 Td +(alue )Tj +2.218 0 Td +(pairs, )Tj +2.718 0 Td +(metadata )Tj +4.329 0 Td +(processing )Tj +4.941 0 Td +(and )Tj +1.996 0 Td +(tr)Tj +0.599 0 Td +(ansport )Tj +3.552 0 Td +(become )Tj +3.829 0 Td +(generic. )Tj +-38.755 -1.44 Td +(T)Tj +0.511 0 Td +(he HTTP headers are con)Tj +10.881 0 Td +(v)Tj +0.488 0 Td +(erted into a)Tj +/TT1 1 Tf +( Map)Tj +/TT0 1 Tf +( \(see Listing 25\):)Tj +/TT1 1 Tf +-11.88 -1.79 Td +( Map extractHeaders\(HttpServletRequest )Tj +0 -0.99 TD +(httpServletRequest\){)Tj +0 -1.79 TD +( Map headers = new HashMap\(\);)Tj +T* +( Enumeration headerNames = )Tj +0 -0.99 TD +(httpServletRequest.getHeaderNames\(\);)Tj +0 -1.79 TD +( if\(headerNames == null\){)Tj +T* +( return headers;)Tj +T* +( })Tj +T* +( while \(headerNames.hasMoreElements\(\)\){)Tj +T* +( String name = headerNames.nextElement\(\);)Tj +ET + +endstream +endobj +127 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 129 0 R>>endobj +128 0 obj<>endobj +129 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(51)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( String header = httpServletRequest.getHeader\(name\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( headers.put\(name,header\);)Tj +0 -1.79 TD +( })Tj +T* +( return headers;)Tj +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 25: HTTP Header to )Tj +/TT1 1 Tf +(java.util.Map)Tj +/TT0 1 Tf +( Con)Tj +21.852 0 Td +(v)Tj +0.488 0 Td +(ersion)Tj +-20.54 -2.24 Td +(Sending )Tj +3.799 0 Td +(the )Tj +1.687 0 Td +(original )Tj +3.632 0 Td +(headers )Tj +3.687 0 Td +(directly )Tj +3.576 0 Td +(via )Tj +1.631 0 Td +(HTTP )Tj +2.799 0 Td +(PUT )Tj +2.243 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.299 0 Td +(break )Tj +2.742 0 Td +(the )Tj +1.687 0 Td +(HTTP )Tj +2.799 0 Td +(communication. )Tj +-35.142 -1.44 Td +(Essential )Tj +4.136 0 Td +(headers)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.052 0 Td +(suc)Tj +1.427 0 Td +(h )Tj +1.024 0 Td +(as )Tj +/TT1 1 Tf +1.357 0 Td +(Content-Length)Tj +/TT0 1 Tf +(, )Tj +9.147 0 Td +(or )Tj +/TT1 1 Tf +1.357 0 Td +(Content-Type)Tj +/TT0 1 Tf +(, )Tj +7.947 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.414 0 Td +(be )Tj +1.524 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erridden. )Tj +4.284 0 Td +(T)Tj +0.511 0 Td +(his )Tj +-40.977 -1.44 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.262 0 Td +(cause )Tj +2.761 0 Td +(errors )Tj +2.76 0 Td +(and )Tj +1.928 0 Td +(lead )Tj +2.15 0 Td +(to )Tj +/C2_0 1 Tf +1.15 0 Td +<004D0046003C003D005D>Tj +/TT0 1 Tf +(ned )Tj +4.652 0 Td +(beha)Tj +2.082 0 Td +(vior)Tj +1.593 0 Td +(. )Tj +0.52 0 Td +(T)Tj +0.456 0 Td +(o )Tj +0.872 0 Td +(resolv)Tj +2.544 0 Td +(e )Tj +0.816 0 Td +(the )Tj +1.65 0 Td +(collisions, )Tj +4.652 0 Td +(the )Tj +1.65 0 Td +(constant )Tj +/TT1 1 Tf +3.929 0 Td +(xray_)Tj +/TT0 1 Tf +( )Tj +-39.2 -1.44 Td +(is )Tj +1.23 0 Td +(prepended )Tj +5.176 0 Td +(to )Tj +1.397 0 Td +(eac)Tj +1.482 0 Td +(h )Tj +1.119 0 Td +(header )Tj +3.509 0 Td +(name. )Tj +3.231 0 Td +(Sending )Tj +4.009 0 Td +(original )Tj +3.842 0 Td +(headers )Tj +3.898 0 Td +(with )Tj +2.454 0 Td +(encoded )Tj +4.287 0 Td +(names )Tj +3.342 0 Td +(ensures )Tj +-38.977 -1.44 Td +(uniqueness )Tj +5.247 0 Td +(and )Tj +2.023 0 Td +(allo)Tj +1.6 0 Td +(ws )Tj +1.578 0 Td +(the )Tj +1.745 0 Td +(attac)Tj +2.038 0 Td +(hment )Tj +3.134 0 Td +(of )Tj +1.245 0 Td +(arbitr)Tj +2.266 0 Td +(ary )Tj +1.744 0 Td +(amounts )Tj +4.079 0 Td +(of )Tj +1.245 0 Td +(additional )Tj +4.747 0 Td +(metadata )Tj +4.356 0 Td +(to )Tj +1.245 0 Td +(an )Tj +1.467 0 Td +(HTTP )Tj +-39.754 -1.44 Td +(request. )Tj +3.609 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.349 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +1.126 0 Td +(has )Tj +1.738 0 Td +(access )Tj +3.071 0 Td +(to )Tj +1.127 0 Td +(the )Tj +1.627 0 Td +(entire )Tj +2.738 0 Td +(metadata )Tj +4.238 0 Td +(and )Tj +1.905 0 Td +(can )Tj +1.849 0 Td +(perform )Tj +3.682 0 Td +(arbitr)Tj +2.266 0 Td +(ary )Tj +/C2_0 1 Tf +1.626 0 Td +<005D>Tj +/TT0 1 Tf +(ltering. )Tj +3.776 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.349 0 Td +(client )Tj +-39.81 -1.44 Td +(remains responsible for metadata extr)Tj +16.103 0 Td +(action and communication only)Tj +13.692 0 Td +(.)Tj +/TT3 1 Tf +12 0 0 12 57 398.5001 Tm +(Don't )Tj +2.705 0 Td +(T)Tj +0.456 0 Td +(est Ev)Tj +2.488 0 Td +(erything )Tj +/TT0 1 Tf +10 0 0 10 75 376.1001 Tm +(Unit )Tj +2.185 0 Td +(tests )Tj +2.129 0 Td +(are )Tj +1.628 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +1.628 0 Td +(capable )Tj +3.685 0 Td +(of )Tj +/C2_0 1 Tf +1.129 0 Td +<005D>Tj +/TT0 1 Tf +(nding )Tj +3.297 0 Td +(tri)Tj +0.871 0 Td +(vial )Tj +1.851 0 Td +(bugs )Tj +2.296 0 Td +(and )Tj +1.907 0 Td +(misconceptions )Tj +7.02 0 Td +(quic)Tj +1.872 0 Td +(kly)Tj +1.186 0 Td +(. )Tj +0.536 0 Td +(At )Tj +1.24 0 Td +(conferences, )Tj +-36.754 -1.44 Td +(in )Tj +1.259 0 Td +(blogs, )Tj +2.982 0 Td +(in )Tj +1.259 0 Td +(articles)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.731 0 Td +(and )Tj +2.037 0 Td +(in )Tj +1.259 0 Td +(Iv)Tj +0.76 0 Td +(ory )Tj +1.74 0 Td +(T)Tj +0.456 0 Td +(o)Tj +0.544 0 Td +(wers)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.675 0 Td +(80+% )Tj +3.032 0 Td +(code )Tj +2.537 0 Td +(co)Tj +1.044 0 Td +(v)Tj +0.488 0 Td +(er)Tj +0.821 0 Td +(age )Tj +1.925 0 Td +(seems )Tj +3.036 0 Td +(to )Tj +1.259 0 Td +(be )Tj +1.481 0 Td +(a )Tj +0.925 0 Td +(well-established)Tj +( )Tj +-35.253 -1.44 Td +(standard. )Tj +1.8 -2.24 Td +(Using )Tj +3.022 0 Td +(code )Tj +2.633 0 Td +(co)Tj +1.044 0 Td +(v)Tj +0.488 0 Td +(er)Tj +0.821 0 Td +(age )Tj +2.021 0 Td +(as )Tj +1.41 0 Td +(a )Tj +1.021 0 Td +(metric )Tj +3.243 0 Td +(is )Tj +1.188 0 Td +(fun )Tj +1.911 0 Td +(in )Tj +1.355 0 Td +(m)Tj +0.821 0 Td +(y )Tj +1.021 0 Td +(case )Tj +2.41 0 Td +(\(I\222m )Tj +2.188 0 Td +(also )Tj +2.244 0 Td +(in )Tj +1.355 0 Td +(the )Tj +1.855 0 Td +(role )Tj +2.188 0 Td +(of )Tj +1.355 0 Td +(the )Tj +1.855 0 Td +(quality )Tj +-39.254 -1.44 Td +(assur)Tj +2.155 0 Td +(ance )Tj +2.337 0 Td +(department )Tj +5.171 0 Td +(:-\)\), )Tj +1.726 0 Td +(but )Tj +1.671 0 Td +(it )Tj +0.837 0 Td +(can )Tj +1.837 0 Td +(be )Tj +1.337 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +1.614 0 Td +(destructi)Tj +3.65 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.781 0 Td +(in )Tj +1.115 0 Td +(bigger )Tj +2.948 0 Td +(corpor)Tj +2.822 0 Td +(ations. )Tj +3.116 0 Td +(F)Tj +0.455 0 Td +(or)Tj +0.877 0 Td +(cing )Tj +2.115 0 Td +(dev)Tj +1.544 0 Td +(elopers )Tj +-39.088 -1.44 Td +(to )Tj +1.215 0 Td +(conform )Tj +3.993 0 Td +(to )Tj +1.215 0 Td +(a )Tj +0.881 0 Td +(code )Tj +2.493 0 Td +(co)Tj +1.044 0 Td +(v)Tj +0.488 0 Td +(er)Tj +0.821 0 Td +(age )Tj +1.881 0 Td +(statistic )Tj +3.549 0 Td +(causes )Tj +3.215 0 Td +(extensi)Tj +2.983 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.881 0 Td +(testing )Tj +3.16 0 Td +(of )Tj +1.215 0 Td +(tri)Tj +0.871 0 Td +(vial )Tj +1.937 0 Td +(stuff )Tj +/C2_0 1 Tf +2.16 0 Td +<005D>Tj +/TT0 1 Tf +(rst. )Tj +2.215 0 Td +(Especially )Tj +4.66 0 Td +(in )Tj +-41.366 -1.44 Td +(J2EE )Tj +2.176 0 Td +(projects)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.982 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.453 0 Td +(could )Tj +2.788 0 Td +(ac)Tj +0.982 0 Td +(hiev)Tj +1.822 0 Td +(e )Tj +0.841 0 Td +(remarkable )Tj +5.174 0 Td +(code )Tj +2.454 0 Td +(co)Tj +1.044 0 Td +(v)Tj +0.488 0 Td +(er)Tj +0.821 0 Td +(age )Tj +1.841 0 Td +(with )Tj +2.232 0 Td +(testing )Tj +3.12 0 Td +(of )Tj +1.175 0 Td +(indirections, )Tj +5.677 0 Td +(la)Tj +0.748 0 Td +(y)Tj 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+1.469 0 Td +(recomputation )Tj +6.693 0 Td +(of )Tj +1.247 0 Td +(the )Tj +1.747 0 Td +(complexity )Tj +-37.421 -1.44 Td +(statistics )Tj +3.998 0 Td +(happens )Tj +4.054 0 Td +(automatically )Tj +6.276 0 Td +(on )Tj +1.553 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.774 0 Td +(Mer)Tj +1.71 0 Td +(curial )Tj +2.886 0 Td +(hg )Tj +1.497 0 Td +(push )Tj +2.498 0 Td +(or )Tj +1.33 0 Td +(Sub)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(ersion )Tj +3.053 0 Td +(\(SVN\) )Tj +2.942 0 Td +(commit\227we)Tj +-36.644 -1.44 Td +(will co)Tj +2.934 0 Td +(v)Tj +0.488 0 Td +(er that later in the Continuous Integr)Tj +15.551 0 Td +(ation process.)Tj +ET + +endstream +endobj +133 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 134 0 R>>endobj +134 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(53)Tj +/TT1 1 Tf +0 Tc 0 Tw 12 0 0 12 57 593.1999 Tm +(T)Tj +0.456 0 Td +(esting the X-r)Tj +5.822 0 Td +(a)Tj +0.47 0 Td +(y Probe)Tj +/TT0 1 Tf +10 0 0 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+(\()Tj +(http://junit.org/)Tj +(\). )Tj +7.76 0 Td +(ScalaT)Tj +2.734 0 Td +(est )Tj +1.7 0 Td +(can )Tj +2.089 0 Td +(be )Tj +1.589 0 Td +(easily )Tj +2.978 0 Td +(combined )Tj +4.868 0 Td +(with )Tj +2.423 0 Td +(Ma)Tj +1.359 0 Td +(v)Tj +0.488 0 Td +(en )Tj +1.589 0 Td +(and )Tj +2.145 0 Td +(integr)Tj +2.433 0 Td +(ated )Tj +2.367 0 Td +(with)Tj +( )Tj +-40.31 -1.44 Td +(Hudson \()Tj +(http://ja)Tj +7.197 0 Td +(v)Tj +0.476 0 Td +(a.net/projects/hudson/)Tj +(\). )Tj +-5.873 -2.24 Td +(In )Tj +1.19 0 Td +(the )Tj +1.69 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.856 0 Td +(setup)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.885 0 Td +(JUnit )Tj +2.524 0 Td +(is )Tj +1.023 0 Td +(still )Tj +1.857 0 Td +(used )Tj +2.357 0 Td +(to )Tj +1.19 0 Td +(run )Tj +1.801 0 Td +(the )Tj +1.69 0 Td +(test )Tj +1.801 0 Td +(and )Tj +1.968 0 Td +(integr)Tj +2.433 0 Td +(ate )Tj +1.634 0 Td +(with )Tj +2.246 0 Td +(Ma)Tj +1.359 0 Td +(v)Tj +0.488 0 Td +(en. )Tj +1.69 0 Td +(ScalaT)Tj +2.734 0 Td +(est )Tj +1.523 0 Td +(uses)Tj +( )Tj +-40.366 -1.44 Td +(the JUnit runner to execute the tests. See Listing 26.)Tj +/TT3 1 Tf +0 -1.79 TD +(package com.abien.xray.probe.http)Tj +T* +(import org.scalatest.junit.JUnitSuite)Tj +T* +(import org.scalatest.junit.ShouldMatchersForJUnit)Tj +T* +(import org.mockito.Mockito._)Tj +T* +(import org.scalatest.mock.MockitoSugar)Tj +T* +(import org.junit._)Tj +T* +(import Assert._)Tj +T* +(import javax.servlet.FilterConfig)Tj +0 -3.58 TD +(class HTTPRequestRESTInterceptorTest extends JUnitSuite with )Tj +0 -0.99 TD +(MockitoSugar with ShouldMatchersForJUnit{)Tj +0 -1.79 TD +( var cut:HTTPRequestRESTInterceptor = _)Tj +T* +( @Before)Tj +T* +( def setUp: Unit = {)Tj +0 -1.79 TD +( cut = new HTTPRequestRESTInterceptor\(\))Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( @Test)Tj +0 -1.79 TD +( def createMessageWithoutReferer = {)Tj +0 -1.79 TD +( val uri = "/hello/world")Tj +0 -1.79 TD +( val referer = null)Tj +0 -1.79 TD +( val message = cut.createMessage\(uri,referer\))Tj +0 -1.79 TD +( message should be \(uri\))Tj +0 -1.79 TD +( })Tj +ET + +endstream +endobj +135 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 136 0 R>>endobj +136 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(54)Tj +/TT1 1 Tf +0 Tc 0 Tw -20.432 55.72 Td +( @Test)Tj +0 -1.79 TD +( def createMessageWithReferer = {)Tj +T* +( val uri = "/hello/world")Tj +T* +( val referer = "adam-bien.com")Tj +T* +( val message = cut.createMessage\(uri,referer\))Tj +T* +( message should be \(uri+HTTPRequestRESTInterceptor.DELIMITER)Tj +0 -0.99 TD +(+referer\))Tj +0 -1.79 TD +( })Tj +T* +( )Tj +T* +( @Test)Tj +T* +( def initWithServiceURL = {)Tj +T* +( var filterConfig = mock[FilterConfig])Tj +T* +( def expected:String = "http://localhost:8080")Tj +T* +( when\(filterConfig.getInitParameter)Tj +0 -0.99 TD +(\(HTTPRequestRESTInterceptor.SERVICE_URL_KEY\)\).thenReturn\(expected\))Tj +0 -1.79 TD +( cut.init\(filterConfig\))Tj +0 -1.79 TD +( cut.url.toExternalForm should equal \(expected\))Tj +0 -1.79 TD +( cut.client should not be \(null\))Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( @Test)Tj +0 -1.79 TD +( def initWithOutServiceURL = {)Tj +T* +( var filterConfig = mock[FilterConfig])Tj +T* +( cut.init\(filterConfig\))Tj +T* +( cut.url should be \(null\))Tj +T* +( cut.client should be \(null\) //malformed URL)Tj +T* +( })Tj +T* +( )Tj +T* +( @Test)Tj +T* +( def getInstrumentedRunnable = {)Tj +0 -1.79 TD +( def uri = "/hello")Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 77.2999 Tm +( def referer = "/hugo")Tj +ET +Q + +endstream +endobj +137 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 138 0 R>>endobj +138 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(55)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( cut.getInstrumentedRunnable\(uri, referer\) should not be \(null\))Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.1999 Tm +( })Tj +0 -1.79 TD +( )Tj +T* +( @Test)Tj +T* +( def sendAsync = {)Tj +T* +( val uri = "http://hugo.com")Tj +T* +( val ref = "localhost")Tj +T* +( cut.client = mock[RESTClient])Tj +T* +( cut.sendAsync\(uri, ref\))Tj +T* +( verify\(cut.client,times\(1\)\).put\(cut.createMessage\(uri, ref\)\)\ ;)Tj +T* +( HTTPRequestRESTInterceptor.getNrOfRejectedJobs should be \(0\))Tj +T* +( })Tj +T* +( )Tj +/TT2 1 Tf +T* +( @Test\(timeout=500\))Tj +/TT1 1 Tf +0 -1.79 TD +( def sendAsyncAndOverload = {)Tj +0 -1.79 TD +( val uri = "http://hugo.com")Tj +T* +( val ref = "localhost")Tj +T* +( cut.client = new RESTClient\(\){)Tj +T* +( override def put\(content:String\) {)Tj +T* +( Thread.sleep\(200\);)Tj +T* +( })Tj +T* +( };)Tj +T* +( val overload:Int = 10;)Tj +T* +( for\(i <- 0 until \(HTTPRequestRESTInterceptor.QUEUE_CAPACITY + )Tj +0 -0.99 TD +(HTTPRequestRESTInterceptor.NR_OF_THREADS +overload\)\){)Tj +0 -1.79 TD +( cut.sendAsync\(uri + i, ref + i\))Tj +T* +( })Tj +T* +( HTTPRequestRESTInterceptor.getNrOfRejectedJobs should be )Tj +0 -0.99 TD +(\(overload\))Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 26: HTTPRequestRESTInter)Tj +14.661 0 Td +(ceptorT)Tj +3.179 0 Td +(est\227T)Tj +2.623 0 Td +(esting the Hard Stuff)Tj +ET + +endstream +endobj +139 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 141 0 R>>endobj +140 0 obj<>endobj +141 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(56)Tj +0 Tc 0 Tw -18.632 57.06 Td +(T)Tj +0.511 0 Td +(he )Tj +1.667 0 Td +(method )Tj +/TT1 1 Tf +3.89 0 Td +(initWithServiceURL)Tj +/TT0 1 Tf +( )Tj +11.412 0 Td +(is )Tj +1.278 0 Td +(the )Tj +1.945 0 Td +(easiest )Tj +3.445 0 Td +(to )Tj +1.445 0 Td +(start )Tj +2.389 0 Td +(with. )Tj +2.705 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.667 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocation )Tj +/TT1 1 Tf +3.835 0 Td +(mock)Tj +-39.8 -1.44 Td +([FilterConfig])Tj +/TT0 1 Tf +( )Tj +9.13 0 Td +(creates )Tj +3.728 0 Td +(a )Tj +1.228 0 Td +(moc)Tj +1.871 0 Td +(k )Tj +1.228 0 Td +(implementation )Tj +7.508 0 Td +(on )Tj +1.84 0 Td +(the )Tj +/C2_0 1 Tf +2.062 0 Td +<005E>Tj +/TT0 1 Tf +(y )Tj +1.784 0 Td +(and )Tj +2.34 0 Td +(is )Tj +1.395 0 Td +(equi)Tj +1.872 0 Td +(v)Tj +0.476 0 Td +(alent )Tj +2.84 0 Td +(to )Tj +1.562 0 Td +(the)Tj +( )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(org.mockito.Mockito.mock\(FilterConfig.class\))Tj +/TT0 1 Tf +( )Tj +26.889 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocation. )Tj +3.913 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.541 0 Td +(return )Tj +3.041 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.319 0 Td +(is )Tj +1.152 0 Td +(an )Tj +-41.144 -1.44 Td +(alread)Tj +2.643 0 Td +(y )Tj +1.102 0 Td +(usable )Tj +3.381 0 Td +(dumm)Tj +2.766 0 Td +(y )Tj +1.102 0 Td +(implementation )Tj +7.382 0 Td +(without )Tj +3.882 0 Td +(an)Tj +1.038 0 Td +(y )Tj +1.102 0 Td +(beha)Tj +2.082 0 Td +(vior)Tj +1.593 0 Td +(. )Tj +0.806 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.658 0 Td +(beha)Tj +2.082 0 Td +(vior )Tj +2.269 0 Td +(is )Tj +1.269 0 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(eniently )Tj +-38.754 -1.44 Td +(recorded with the follo)Tj +9.826 0 Td +(wing in)Tj +3.212 0 Td +(v)Tj +0.482 0 Td +(ocation:)Tj +/TT1 1 Tf +-13.52 -1.79 Td +( when\(filterConfig.getInitParameter)Tj +0 -0.99 TD +(\(HTTPRequestRESTInterceptor.SERVICE_URL_KEY\)\).thenReturn\(expected\))Tj +/TT0 1 Tf +1.8 -2.24 Td +(Whenev)Tj +3.6 0 Td +(er )Tj +1.143 0 Td +(the )Tj +1.644 0 Td +(method )Tj +/TT1 1 Tf +3.589 0 Td +(getInitParameter)Tj +/TT0 1 Tf +( )Tj +9.911 0 Td +(is )Tj +0.977 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked, )Tj +2.7 0 Td +(the )Tj +/TT1 1 Tf +1.644 0 Td +(String)Tj +/TT0 1 Tf +( )Tj +/TT1 1 Tf +3.91 0 Td +(expected)Tj +/TT0 1 Tf +( )Tj +5.111 0 Td +(is )Tj +0.977 0 Td +(returned. )Tj +-38.31 -1.44 Td +(A )Tj +/C2_0 1 Tf +1.064 0 Td +<0048004A003D003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +/TT1 1 Tf +6.399 0 Td +(FilterConfig)Tj +/TT0 1 Tf +( )Tj +7.598 0 Td +(moc)Tj +1.871 0 Td +(kup )Tj +2.009 0 Td +(is )Tj +1.064 0 Td +(passed )Tj +3.287 0 Td +(to )Tj +1.231 0 Td +(the )Tj +1.731 0 Td +(method )Tj +/TT1 1 Tf +3.676 0 Td +(init)Tj +/TT0 1 Tf +(. )Tj +3.001 0 Td +(T)Tj +0.511 0 Td +(hen )Tj +2.009 0 Td +(it )Tj +0.953 0 Td +(is )Tj +1.064 0 Td +(possible )Tj +3.899 0 Td +(to )Tj +-41.366 -1.44 Td +(test the actual initialization functionality)Tj +17.195 0 Td +(.)Tj +-15.395 -2.24 Td +(M)Tj +1.01 0 Td +(o)Tj +0.677 0 Td +(r)Tj +0.454 0 Td +(e )Tj +1.339 0 Td +(i)Tj +0.399 0 Td +(n)Tj +0.677 0 Td +(t)Tj +0.399 0 Td +(e)Tj +0.621 0 Td +(r)Tj +0.454 0 Td +(e)Tj +0.621 0 Td +(s)Tj +0.51 0 Td +(t)Tj +0.399 0 Td +(i)Tj +0.399 0 Td +(n)Tj +0.677 0 Td +(g )Tj +1.339 0 Td +(f)Tj +0.399 0 Td +(u)Tj +0.677 0 Td +(n)Tj +0.677 0 Td +(c)Tj +0.621 0 Td +(t)Tj +0.399 0 Td +(i)Tj +0.399 0 Td +(o)Tj +0.677 0 Td +(n)Tj +0.677 0 Td +(a)Tj +0.621 0 Td +(l)Tj +0.399 0 Td +(i)Tj +0.399 0 Td +(t)Tj +0.399 0 Td +(y )Tj +1.339 0 Td +(t)Tj +0.399 0 Td +(o )Tj +1.395 0 Td +(t)Tj +0.399 0 Td +(e)Tj +0.621 0 Td +(s)Tj +0.51 0 Td +(t )Tj +1.117 0 Td +(i)Tj +0.399 0 Td +(s )Tj +1.228 0 Td +(t)Tj +0.399 0 Td +(h)Tj +0.677 0 Td +(e )Tj +1.339 0 Td +(o)Tj +0.665 0 Td +(v)Tj +0.609 0 Td +(e)Tj +0.621 0 Td +(r)Tj +0.454 0 Td +(l)Tj +0.399 0 Td +(o)Tj +0.677 0 Td +(a)Tj +0.621 0 Td +(d )Tj +1.395 0 Td +(b)Tj +0.677 0 Td +(e)Tj +0.621 0 Td +(h)Tj +0.677 0 Td +(a)Tj +0.591 0 Td +(v)Tj +0.621 0 Td +(i)Tj +0.399 0 Td +(o)Tj +0.677 0 Td +(r )Tj +1.172 0 Td +(o)Tj +0.677 0 Td +(f )Tj +1.117 0 Td +(t)Tj +0.399 0 Td +(h)Tj +0.677 0 Td +(e)Tj +( )Tj +/TT1 1 Tf +-41.7 -1.44 Td +(H)Tj +0.793 0 Td +(T)Tj +0.793 0 Td +(T)Tj +0.793 0 Td +(P)Tj +0.793 0 Td +(R)Tj +0.793 0 Td +(e)Tj +0.793 0 Td +(q)Tj +0.793 0 Td +(u)Tj +0.793 0 Td +(e)Tj +0.793 0 Td +(s)Tj +0.793 0 Td +(t)Tj +0.793 0 Td +(R)Tj +0.793 0 Td +(E)Tj +0.793 0 Td +(S)Tj +0.793 0 Td +(T)Tj +0.793 0 Td +(I)Tj +0.793 0 Td +(n)Tj +0.793 0 Td +(t)Tj +0.793 0 Td +(e)Tj +0.793 0 Td +(r)Tj +0.793 0 Td +(c)Tj +0.793 0 Td +(e)Tj +0.793 0 Td +(p)Tj +0.793 0 Td +(t)Tj +0.793 0 Td +(o)Tj +0.793 0 Td +(r)Tj +/TT0 1 Tf +0.793 0 Td +(. )Tj +1.116 0 Td +(W)Tj +1.156 0 Td +(e )Tj +1.375 0 Td +(w)Tj +0.971 0 Td +(i)Tj +0.471 0 Td +(l)Tj +0.471 0 Td +(l )Tj +1.153 0 Td +(a)Tj +0.693 0 Td +(t)Tj +0.471 0 Td +(t)Tj +0.471 0 Td +(e)Tj +0.693 0 Td +(m)Tj +1.026 0 Td +(p)Tj +0.749 0 Td +(t )Tj +1.153 0 Td +(t)Tj +0.471 0 Td +(o )Tj +1.431 0 Td +(o)Tj +0.737 0 Td +(v)Tj +0.681 0 Td +(e)Tj +0.693 0 Td +(r)Tj +0.526 0 Td +(l)Tj +0.471 0 Td +(o)Tj +0.749 0 Td +(a)Tj +0.693 0 Td +(d )Tj +1.431 0 Td +(t)Tj +0.471 0 Td +(h)Tj +0.749 0 Td +(e )Tj +/TT1 1 Tf +-41.7 -1.44 Td +(HTTPRequestRESTInterceptor)Tj +/TT0 1 Tf +( )Tj +16.164 0 Td +(b)Tj +0.538 0 Td +(y )Tj +1.062 0 Td +(passing )Tj +3.73 0 Td +(more )Tj +2.784 0 Td +(bloc)Tj +1.872 0 Td +(king )Tj +/TT1 1 Tf +2.396 0 Td +(Runnable)Tj +/TT0 1 Tf +( )Tj +5.362 0 Td +(instances )Tj +4.508 0 Td +(than )Tj +2.452 0 Td +(the )Tj +-40.866 -1.44 Td +(queue )Tj +3.202 0 Td +(depth )Tj +2.98 0 Td +(and )Tj +2.146 0 Td +(amount )Tj +3.813 0 Td +(of )Tj +1.368 0 Td +(w)Tj +0.766 0 Td +(orking )Tj +3.257 0 Td +(threads )Tj +3.646 0 Td +(can )Tj +2.09 0 Td +(handle. )Tj +3.758 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.423 0 Td +(this )Tj +2.035 0 Td +(purpose)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.23 0 Td +(a )Tj +/TT1 1 Tf +1.034 0 Td +(RESTClient)Tj +/TT0 1 Tf +( )Tj +-36.199 -1.44 Td +(instance )Tj +3.925 0 Td +(with )Tj +2.258 0 Td +(an )Tj +1.424 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erridden )Tj +3.98 0 Td +(method )Tj +/TT1 1 Tf +3.647 0 Td +(put)Tj +/TT0 1 Tf +( )Tj +2.169 0 Td +(is )Tj +1.035 0 Td +(created )Tj +3.535 0 Td +(\(see )Tj +2.035 0 Td +(Listing )Tj +3.147 0 Td +(27\). )Tj +1.962 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.424 0 Td +(method )Tj +/TT1 1 Tf +3.647 0 Td +(put)Tj +/TT0 1 Tf +( )Tj +2.169 0 Td +(bloc)Tj +1.872 0 Td +(ks )Tj +1.257 0 Td +(for)Tj +( )Tj +-41.033 -1.44 Td +(200ms )Tj +3.235 0 Td +(just )Tj +1.846 0 Td +(to )Tj +1.179 0 Td +(simulate )Tj +3.957 0 Td +(an )Tj +1.401 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erloaded )Tj +4.124 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.845 0 Td +(bac)Tj +1.538 0 Td +(kend. )Tj +2.698 0 Td +(W)Tj +0.963 0 Td +(e )Tj +0.845 0 Td +(are )Tj +1.678 0 Td +(computing )Tj +4.958 0 Td +(the )Tj +1.679 0 Td +(number )Tj +3.679 0 Td +(of )Tj +1.179 0 Td +(jobs )Tj +2.124 0 Td +(that )Tj +-40.588 -1.44 Td +(can )Tj +2.183 0 Td +(be )Tj +1.683 0 Td +(handled )Tj +4.129 0 Td +(and )Tj +2.239 0 Td +(adding )Tj +3.573 0 Td +(an )Tj +1.683 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erload )Tj +3.35 0 Td +(factor)Tj +2.371 0 Td +(. )Tj +0.868 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.739 0 Td +(the )Tj +1.961 0 Td +(computed )Tj +4.962 0 Td +(number)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.211 0 Td +(the )Tj +1.961 0 Td +(method )Tj +/TT1 1 Tf +-38.921 -1.44 Td +(sendAsync)Tj +/TT0 1 Tf +( gets in)Tj +8.446 0 Td +(v)Tj +0.482 0 Td +(oked. )Tj +2.594 0 Td +(T)Tj +0.511 0 Td +(he expected v)Tj +5.978 0 Td +(alue is the o)Tj +5.213 0 Td +(v)Tj +0.488 0 Td +(erload factor:)Tj +/TT3 1 Tf +-23.712 -1.79 Td +( @Test\(timeout=500\))Tj +/TT1 1 Tf +0 -1.79 TD +( def sendAsyncAndOverload = {)Tj +T* +( val uri = "http://hugo.com")Tj +T* +( val ref = "localhost")Tj +T* +( cut.client = new RESTClient\(\){)Tj +T* +( override def put\(content:String\) {)Tj +T* +( Thread.sleep\(200\);)Tj +T* +( })Tj +T* +( })Tj +T* +( val overload:Int = 10)Tj +0 -1.79 TD +( for\(i <- 0 until \(HTTPRequestRESTInterceptor.QUEUE_CAPACITY + )Tj +0 -0.99 TD +(HTTPRequestRESTInterceptor.NR_OF_THREADS +overload\)\){)Tj +0 -1.79 TD +( cut.sendAsync\(uri + i, ref + i\))Tj +T* +( })Tj +0 -1.79 TD +( )Tj +/TT3 1 Tf +( HTTPRequestRESTInterceptor.getNrOfRejectedJobs should be \(overload\))Tj +/TT1 1 Tf +0 -1.79 TD +( })Tj +ET + +endstream +endobj +142 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 143 0 R>>endobj +143 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(57)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +(})Tj +ET +Q +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 57 615.2999 Tm +(Listing 27: Ov)Tj +6.046 0 Td +(erriding put Method for Ov)Tj +11.659 0 Td +(erload)Tj +-15.905 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.412 0 Td +(correct )Tj +3.356 0 Td +(computation )Tj +5.803 0 Td +(of )Tj +1.19 0 Td +(the )Tj +1.69 0 Td +(number )Tj +3.69 0 Td +(of )Tj +1.19 0 Td +(rejected )Tj +3.801 0 Td +(jobs )Tj +2.135 0 Td +(is )Tj +1.023 0 Td +(interesting. )Tj +5.08 0 Td +(More )Tj +2.634 0 Td +(important )Tj +4.524 0 Td +(is )Tj +1.023 0 Td +(the )Tj +-40.866 -1.44 Td +(ability )Tj +3.176 0 Td +(to )Tj +1.342 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erload )Tj +3.231 0 Td +(the )Tj +1.842 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +1.008 0 Td +(probe )Tj +3.009 0 Td +(without )Tj +3.788 0 Td +(bloc)Tj +1.872 0 Td +(king. )Tj +2.546 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.564 0 Td +(attribute )Tj +4.065 0 Td +(timeout )Tj +3.787 0 Td +(in )Tj +1.342 0 Td +(the )Tj +1.842 0 Td +(annotation )Tj +/TT1 1 Tf +-37.586 -1.44 Td +(@Test)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +3.333 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(es )Tj +4 0 Td +(the )Tj +1.666 0 Td +(maximum )Tj +4.665 0 Td +(number )Tj +3.666 0 Td +(of )Tj +1.166 0 Td +(milliseconds )Tj +5.723 0 Td +(within )Tj +3.056 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.888 0 Td +(the )Tj +1.666 0 Td +(test )Tj +1.777 0 Td +(must )Tj +2.388 0 Td +(pass. )Tj +2.407 0 Td +(A )Tj +0.999 0 Td +(longer )Tj +-39.477 -1.44 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocation )Tj +3.719 0 Td +(causes )Tj +3.329 0 Td +(the )Tj +1.829 0 Td +(test )Tj +1.94 0 Td +(to )Tj +1.329 0 Td +(fail. )Tj +2.033 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.551 0 Td +(timeout )Tj +3.774 0 Td +(constr)Tj +2.6 0 Td +(aint )Tj +2.107 0 Td +(prev)Tj +1.877 0 Td +(ents )Tj +2.218 0 Td +(the )Tj +1.829 0 Td +(test )Tj +1.94 0 Td +(from )Tj +2.495 0 Td +(bloc)Tj +1.872 0 Td +(king )Tj +2.329 0 Td +(and )Tj +-40.588 -1.44 Td +(causes a failure instead)Tj +/TT2 1 Tf +(.)Tj +ET + +endstream +endobj +144 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 145 0 R>>endobj +145 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(58)Tj +ET + +endstream +endobj +146 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 147 0 R>>endobj +147 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(59)Tj +/TT1 1 Tf +0 Tc 0 Tw 18 0 0 18 57 623.9999 Tm +(X-r)Tj +1.321 0 Td +(a)Tj +0.47 0 Td +(y REST Services)Tj +64 0 0 64 443.416 539.7999 Tm +(4)Tj +/TT0 1 Tf +10 0 0 10 75 461.3999 Tm +(T)Tj +0.511 0 Td +(he )Tj +1.343 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y-services )Tj +4.509 0 Td +(module )Tj +3.566 0 Td +(pro)Tj +1.433 0 Td +(vides )Tj +2.51 0 Td +(the )Tj +1.621 0 Td +(actual )Tj +2.899 0 Td +(business )Tj +3.9 0 Td +(logic. )Tj +2.603 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.343 0 Td +(business )Tj +3.9 0 Td +(logic )Tj +2.399 0 Td +(processes )Tj +4.399 0 Td +(the)Tj +( )Tj +-40.866 -1.44 Td +(URIs )Tj +2.38 0 Td +(with )Tj +2.214 0 Td +(corresponding )Tj +6.493 0 Td +(metadata, )Tj +4.547 0 Td +(and )Tj +1.936 0 Td +(it )Tj +0.88 0 Td +(also )Tj +2.047 0 Td +(offers )Tj +2.658 0 Td +(basic )Tj +2.547 0 Td +(statistic )Tj +3.492 0 Td +(services )Tj +3.713 0 Td +(at )Tj +1.102 0 Td +(the )Tj +1.658 0 Td +(same )Tj +2.546 0 Td +(time. )Tj +2.417 0 Td +(T)Tj +0.511 0 Td +(he)Tj +( )Tj +-41.144 -1.44 Td +(need )Tj +2.425 0 Td +(to )Tj +1.147 0 Td +(pro)Tj +1.433 0 Td +(vide )Tj +2.147 0 Td +(the )Tj +1.647 0 Td +(business )Tj +3.926 0 Td +(logic )Tj +2.425 0 Td +(in )Tj +1.147 0 Td +(a )Tj +0.813 0 Td +(dedicated )Tj +4.537 0 Td +(application )Tj +5.149 0 Td +(and )Tj +1.925 0 Td +(an )Tj +1.369 0 Td +(isolated )Tj +3.648 0 Td +(JVM )Tj +2.147 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.202 0 Td +(caused )Tj +3.314 0 Td +(b)Tj +0.538 0 Td +(y )Tj +-41.7 -1.44 Td +(the )Tj +2.075 0 Td +(incompatibilities )Tj +7.911 0 Td +(with )Tj +2.631 0 Td +(the )Tj +2.075 0 Td +(Roller )Tj +3.297 0 Td +(4 )Tj +1.297 0 Td +(application, )Tj +5.855 0 Td +(not )Tj +2.131 0 Td +(b)Tj +0.538 0 Td +(y )Tj +1.241 0 Td +(scalability )Tj +5.076 0 Td +(or )Tj +1.63 0 Td +(maintainability )Tj +-35.753 -1.44 Td +(consider)Tj +3.656 0 Td +(ations. )Tj +3.194 0 Td +(Running )Tj +3.972 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.859 0 Td +(inside )Tj +2.916 0 Td +(the )Tj +1.693 0 Td +(same )Tj +2.581 0 Td +(process )Tj +3.582 0 Td +(as )Tj +1.248 0 Td +(Roller )Tj +2.915 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.305 0 Td +(be )Tj +1.415 0 Td +(the )Tj +1.693 0 Td +(easiest )Tj +3.193 0 Td +(and )Tj +1.971 0 Td +(fastest )Tj +-39.588 -1.44 Td +(possible )Tj +3.906 0 Td +(c)Tj +0.482 0 Td +(hoice, )Tj +3.072 0 Td +(but )Tj +1.794 0 Td +(it )Tj +0.96 0 Td +(w)Tj +0.766 0 Td +(on\222)Tj +1.353 0 Td +(t )Tj +/C2_0 1 Tf +0.682 0 Td +<004B004D003E005D>Tj +/TT0 1 Tf +(ce )Tj +3.183 0 Td +(in )Tj +1.238 0 Td +(this )Tj +1.905 0 Td +(case. )Tj +2.571 0 Td +(\223Don\222)Tj +2.575 0 Td +(t )Tj +0.682 0 Td +(distribute\224 )Tj +4.85 0 Td +(should )Tj +3.295 0 Td +(be )Tj +1.46 0 Td +(considered )Tj +5.128 0 Td +(to )Tj +1.238 0 Td +(be )Tj +-41.144 -1.44 Td +(gener)Tj +2.377 0 Td +(al ad)Tj +2.088 0 Td +(vice)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( not an absolute best pr)Tj +12.077 0 Td +(actice.)Tj +/TT1 1 Tf +12 0 0 12 57 338.6 Tm +(Gi)Tj +1.038 0 Td +(v)Tj +0.488 0 Td +(e Me Some REST)Tj +/TT0 1 Tf +10 0 0 10 75 316.2 Tm +(X-r)Tj +1.265 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.787 0 Td +(runs )Tj +2.122 0 Td +(on )Tj +1.399 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.787 0 Td +(EE )Tj +1.288 0 Td +(6 )Tj +0.843 0 Td +(and )Tj +1.9 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.787 0 Td +(EE )Tj +1.288 0 Td +(6 )Tj +0.843 0 Td +(comes )Tj +3.066 0 Td +(with )Tj +2.178 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.009 0 Td +(\(JSR-311\) )Tj +4.233 0 Td +(\()Tj +(http://jcp.org/en/jsr/detail?)Tj +-30.75 -1.44 Td +(id=311)Tj +(\). )Tj +4.396 0 Td +(\223J)Tj +0.704 0 Td +(AX-RS\224 )Tj +3.898 0 Td +(stands )Tj +3.4 0 Td +(for )Tj +1.899 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +1.195 0 Td +(Ar)Tj +0.988 0 Td +(c)Tj +0.482 0 Td +(hitecture )Tj +4.511 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.621 0 Td +(XML )Tj +2.732 0 Td +(RESTful )Tj +4.011 0 Td +(Services. )Tj +4.51 0 Td +(It )Tj +/C2_0 1 Tf +1.288 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(es )Tj +4.4 0 Td +(a )Tj +-41.7 -1.44 Td +(v)Tj +0.488 0 Td +(endor)Tj +2.446 0 Td +(-neutr)Tj +2.544 0 Td +(al )Tj +1.019 0 Td +(API for serv)Tj +4.934 0 Td +(er)Tj +/TT2 1 Tf +(-)Tj +/TT0 1 Tf +(side implementation of RESTful services. )Tj +-9.631 -2.24 Td +(Ev)Tj +0.988 0 Td +(ery )Tj +1.672 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.839 0 Td +(EE )Tj +1.339 0 Td +(6)Tj +/TT2 1 Tf +(-)Tj +/TT0 1 Tf +(capable )Tj +4.618 0 Td +(application )Tj +5.175 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +1.172 0 Td +(has )Tj +1.784 0 Td +(to )Tj +1.173 0 Td +(pro)Tj +1.433 0 Td +(vide )Tj +2.173 0 Td +(a )Tj +0.839 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.061 0 Td +(implementation. )Tj +7.397 0 Td +(Because )Tj +-38.644 -1.44 Td +(a )Tj +0.883 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.105 0 Td +(implementation )Tj +7.163 0 Td +(has )Tj +1.828 0 Td +(to )Tj +1.217 0 Td +(come )Tj +2.772 0 Td +(with )Tj +2.273 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.716 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.883 0 Td +(EE )Tj +1.383 0 Td +(6)Tj +/TT2 1 Tf +(-)Tj +/TT0 1 Tf +(compliant )Tj +5.607 0 Td +(serv)Tj +1.71 0 Td +(er)Tj +0.759 0 Td +(, )Tj +0.661 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.495 0 Td +(don\222)Tj +1.909 0 Td +(t )Tj +0.661 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.883 0 Td +(to )Tj +-41.366 -1.44 Td +(deplo)Tj +2.434 0 Td +(y )Tj +0.782 0 Td +(a )Tj +0.782 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.004 0 Td +(runtime )Tj +3.616 0 Td +(en)Tj +1.044 0 Td +(vironment )Tj +4.672 0 Td +(with )Tj +2.172 0 Td +(y)Tj +0.482 0 Td +(our )Tj +1.727 0 Td +(application. )Tj +5.396 0 Td +(On )Tj +1.671 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.782 0 Td +(EE )Tj +1.282 0 Td +(serv)Tj +1.71 0 Td +(ers )Tj +1.504 0 Td +(prior )Tj +2.338 0 Td +(to )Tj +1.116 0 Td +(v)Tj +0.488 0 Td +(ersion )Tj +2.894 0 Td +(6, )Tj +-41.366 -1.44 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.444 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.832 0 Td +(to )Tj +1.166 0 Td +(pro)Tj +1.433 0 Td +(vide )Tj +2.166 0 Td +(a )Tj +0.832 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.054 0 Td +(implementation )Tj +7.112 0 Td +(with )Tj +2.222 0 Td +(y)Tj +0.482 0 Td +(our )Tj +1.777 0 Td +(application )Tj +5.168 0 Td +(and )Tj +1.944 0 Td +(a )Tj +0.832 0 Td +(customized )Tj +/TT3 1 Tf +5.278 0 Td +(web.xml)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +-37.999 -1.44 Td +<004F0041004C0040000100390001003B00470046005D>Tj +/TT0 1 Tf +(gured REST servlet.)Tj +1.8 -2.24 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.341 0 Td +(is )Tj +1.286 0 Td +(an )Tj +1.675 0 Td +(annotation-based )Tj +8.03 0 Td +(API. )Tj +2.324 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.675 0 Td +(annotation )Tj +5.233 0 Td +(ja)Tj +0.748 0 Td +(v)Tj +0.476 0 Td +(ax.ws.rs.P)Tj +4.187 0 Td +(ath )Tj +1.953 0 Td +(binds )Tj +2.954 0 Td +(a )Tj +1.119 0 Td +(class )Tj +2.675 0 Td +(to )Tj +1.453 0 Td +(a)Tj +( )Tj +-41.7 -1.44 Td +(particular )Tj +4.681 0 Td +(URL )Tj +2.458 0 Td +(segment )Tj +4.125 0 Td +(after )Tj +2.458 0 Td +(a )Tj +/C2_0 1 Tf +1.069 0 Td +<0048004A003D003C003D005D>Tj +/TT0 1 Tf +(ned )Tj +/C2_0 1 Tf +5.182 0 Td +<0048004A003D005D>Tj +/TT0 1 Tf +(x. )Tj +3.218 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/C2_0 1 Tf +1.625 0 Td +<0048004A003D005D>Tj +/TT0 1 Tf +(x )Tj +3.014 0 Td +(comprises )Tj +4.903 0 Td +(the )Tj +1.866 0 Td +(W)Tj +0.955 0 Td +(AR )Tj +/C2_0 1 Tf +1.847 0 Td +<005D>Tj +/TT0 1 Tf +(le )Tj +1.903 0 Td +(name )Tj +-39.811 -1.44 Td +(follo)Tj +1.934 0 Td +(wed b)Tj +2.65 0 Td +(y the v)Tj +2.866 0 Td +(alue of the annotation )Tj +9.691 0 Td +(ApplicationP)Tj +5.467 0 Td +(ath \(see Listing 28\).)Tj +/TT3 1 Tf +-22.608 -2.99 Td +(@javax.ws.rs.ApplicationPath\("resources"\))Tj +0 -1.79 TD +(public class ApplicationConfig extends javax.ws.rs.core.Application {})Tj +/C2_0 1 Tf +0 -1.88 TD +<00280041004B004C00410046003F0001000F001500170001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +8.437 0 Td +(ation of the REST URL)Tj +ET + +endstream +endobj +148 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 149 0 R>>endobj +149 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(60)Tj +0 Tc 0 Tw -18.632 55.18 Td +(T)Tj +0.511 0 Td +(he )Tj +1.749 0 Td +(class )Tj +/TT1 1 Tf +2.749 0 Td +(HitsResource)Tj +/TT0 1 Tf +( )Tj +7.894 0 Td +(listens )Tj +3.361 0 Td +(to )Tj +1.527 0 Td +(the )Tj +2.027 0 Td +(URL )Tj +/TT1 1 Tf +2.582 0 Td +(http://[localhost:8080]/x-ray/)Tj +-24.197 -1.44 Td +(resources/hits)Tj +/TT0 1 Tf +(. )Tj +9 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/C2_0 1 Tf +1.45 0 Td +<005D>Tj +/TT0 1 Tf +(rst )Tj +1.95 0 Td +(part, )Tj +2.339 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.95 0 Td +(is )Tj +1.061 0 Td +(inside )Tj +2.951 0 Td +(the )Tj +1.728 0 Td +(square )Tj +3.228 0 Td +(br)Tj +0.877 0 Td +(ac)Tj +0.982 0 Td +(kets, )Tj +2.339 0 Td +(is )Tj +1.061 0 Td +(the )Tj +1.728 0 Td +(serv)Tj +1.71 0 Td +(er\222)Tj +1.019 0 Td +(s )Tj +0.783 0 Td +(IP )Tj +1.228 0 Td +(address )Tj +-38.977 -1.44 Td +(and )Tj +1.898 0 Td +(port. )Tj +2.287 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.786 0 Td +(is )Tj +0.953 0 Td +(the )Tj +1.62 0 Td +(name )Tj +2.675 0 Td +(of )Tj +1.12 0 Td +(the )Tj +1.583 0 Td +(W)Tj +0.955 0 Td +(AR )Tj +/C2_0 1 Tf +1.564 0 Td +<005D>Tj +/TT0 1 Tf +(le. )Tj +1.824 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.342 0 Td +(context )Tj +3.454 0 Td +(path )Tj +2.176 0 Td +(can )Tj +1.842 0 Td +(be )Tj +/C2_0 1 Tf +1.342 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +4.899 0 Td +(only )Tj +2.176 0 Td +(in )Tj +1.12 0 Td +(a )Tj +0.786 0 Td +(standard )Tj +-38.532 -1.44 Td +(w)Tj +0.76 0 Td +(a)Tj +/C2_0 1 Tf +0.47 0 Td +<00510001004F0041004C004000010039004600010021001D002E0001005D>Tj +/TT0 1 Tf +(le only \(see Listing 29\). )Tj +/TT1 1 Tf +0.57 -2.12 Td +()Tj +1.8 -2.12 Td +( x-ray)Tj +0 -2.12 TD +( )Tj +0 -2.12 TD +( )Tj +0 -2.12 TD +( x-ray-war.war)Tj +T* +( )Tj +/TT2 1 Tf +( x-ray-war)Tj +/TT1 1 Tf +0 -2.12 TD +( )Tj +0 -2.12 TD +( )Tj +T* +( )Tj +T* +( x-ray-ejb.jar)Tj +T* +( )Tj +T* +()Tj +/C2_0 1 Tf +-1.8 -2.24 Td +<00280041004B004C00410046003F0001000F001600170001001F00470046004C003D0050004C00010031002E00280001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +14.217 0 Td +(ation in an EAR F)Tj +7.43 0 Td +(ile)Tj +-19.847 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.356 0 Td +(application )Tj +5.136 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +1.133 0 Td +(usually )Tj +3.357 0 Td +(deri)Tj +1.649 0 Td +(v)Tj +0.488 0 Td +(es )Tj +1.189 0 Td +(the )Tj +1.634 0 Td +(context )Tj +3.468 0 Td +(URL )Tj +2.189 0 Td +(from )Tj +2.3 0 Td +(the )Tj +1.597 0 Td +(W)Tj +0.955 0 Td +(AR )Tj +/C2_0 1 Tf +1.578 0 Td +<005D>Tj +/TT0 1 Tf +(le )Tj +1.634 0 Td +(name. )Tj +2.967 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.189 0 Td +(a )Tj +0.8 0 Td +(custom )Tj +/C2_0 1 Tf +-39.088 -1.44 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.804 0 Td +(of )Tj +1.469 0 Td +(the )Tj +1.969 0 Td +(context )Tj +3.804 0 Td +(URI )Tj +2.303 0 Td +(in )Tj +1.469 0 Td +(a )Tj +1.135 0 Td +(standalone )Tj +5.267 0 Td +(W)Tj +0.955 0 Td +(AR )Tj +/C2_0 1 Tf +1.913 0 Td +<005D>Tj +/TT0 1 Tf +(le, )Tj +2.248 0 Td +(an )Tj +1.691 0 Td +(application )Tj +5.471 0 Td +(serv)Tj +1.71 0 Td +(er)Tj +/TT3 1 Tf +(-)Tj +/C2_0 1 Tf +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(c )Tj +-37.755 -1.44 Td +(deplo)Tj +2.434 0 Td +(yment )Tj +3.025 0 Td +(descriptor )Tj +4.637 0 Td +(or )Tj +/C2_0 1 Tf +1.247 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.526 0 Td +(is )Tj +1.025 0 Td +(needed. )Tj +3.804 0 Td +(It )Tj +0.914 0 Td +(is )Tj +1.025 0 Td +(impossible )Tj +4.971 0 Td +(to )Tj +1.192 0 Td +(customize )Tj +4.748 0 Td +(the )Tj +1.692 0 Td +(context )Tj +3.526 0 Td +(URL )Tj +-40.311 -1.44 Td +(with a plain )Tj +5.355 0 Td +(W)Tj +/C2_0 1 Tf +0.955 0 Td +<001D002E0001005D>Tj +/TT0 1 Tf +(le in a serv)Tj +6.768 0 Td +(er)Tj +0.778 0 Td +(-independent w)Tj +6.763 0 Td +(a)Tj +0.47 0 Td +(y)Tj +0.408 0 Td +(.)Tj +/TT2 1 Tf +-21.497 -1.79 Td +(@Path\("hits"\))Tj +/TT1 1 Tf +0 -1.79 TD +(@Stateless)Tj +T* +(@Interceptors\(PerformanceAuditor.class\))Tj +T* +(public class HitsResource {)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 78.1998 Tm +( @Inject)Tj +ET +Q + +endstream +endobj +150 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 152 0 R>>endobj +151 0 obj<>endobj +152 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(61)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( URLPathExtractor extractor;)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( @EJB)Tj +0 -1.79 TD +( Hits hits;)Tj +0 -3.58 TD +( @PUT)Tj +0 -1.79 TD +( @Consumes\({MediaType.TEXT_PLAIN}\))Tj +0 -1.79 TD +( public Response updateStatistics\(@Context HttpHeaders httpHeaders, \ )Tj +0 -0.99 TD +(String url\) {)Tj +0 -1.79 TD +( if \(!isEmpty\(url\)\) {)Tj +0 -1.79 TD +( MultivaluedMap headers = )Tj +0 -0.99 TD +(httpHeaders.getRequestHeaders\(\);)Tj +0 -1.79 TD +( Map headerMap = new HashMap\(\);)Tj +0 -1.79 TD +( for \(Map.Entry> headerEntries : )Tj +0 -0.99 TD +(headers.entrySet\(\)\) {)Tj +0 -1.79 TD +( String headerName = headerEntries.getKey\(\);)Tj +0 -1.79 TD +( List headerValuesList = headerEntries.getValue)Tj +0 -0.99 TD +(\(\);)Tj +0 -1.79 TD +( if \(headerValuesList != null && !headerValuesList.isEmpty\(\)\) {)Tj +0 -1.79 TD +( String headerValue = headerValuesList.get\(0\);)Tj +T* +( headerMap.put\(headerName, headerValue\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( processURL\(url, headerMap\);)Tj +0 -1.79 TD +( })Tj +T* +( return Response.noContent\(\).build\(\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( void processURL\(String url, Map headerMap\) {)Tj +0 -1.79 TD +( String uniqueAction = extractor.extractPathSegmentFromURL)Tj +0 -0.99 TD +(\(url\);)Tj +0 -1.79 TD +( String referer = extractor.extractReferer\(url\);)Tj +T* +( hits.updateStatistics\(uniqueAction, referer, headerMap\);)Tj +0 -1.79 TD +( })Tj +ET + +endstream +endobj +153 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 154 0 R>>endobj +154 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(62)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( boolean isEmpty\(String url\) {)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( if \(url == null\) {)Tj +0 -1.79 TD +( return true;)Tj +T* +( })Tj +T* +( String trimmed = url.trim\(\);)Tj +T* +( return trimmed.isEmpty\(\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( @GET)Tj +0 -1.79 TD +( @Produces\({MediaType.TEXT_PLAIN}\))Tj +0 -1.79 TD +( public String totalHitsAsString\(\) {)Tj +T* +( return hits.totalHitsAsString\(\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 30: HitsResour)Tj +9.381 0 Td +(ce\227T)Tj +2.511 0 Td +(he Serv)Tj +3.155 0 Td +(er)Tj +0.778 0 Td +(-Side Skeleton)Tj +-14.025 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.353 0 Td +(method )Tj +/TT1 1 Tf +3.576 0 Td +(updateStatistics)Tj +/TT0 1 Tf +( )Tj +9.898 0 Td +(in )Tj +1.131 0 Td +(the )Tj +/TT1 1 Tf +1.631 0 Td +(HitsResource)Tj +/TT0 1 Tf +( )Tj +7.498 0 Td +(stateless )Tj +3.798 0 Td +(session )Tj +3.354 0 Td +(bean )Tj +2.409 0 Td +(is )Tj +0.964 0 Td +(annotated)Tj +( )Tj +-37.92 -1.44 Td +(with )Tj +2.303 0 Td +(the )Tj +/TT1 1 Tf +1.747 0 Td +(@PUT)Tj +/TT0 1 Tf +( )Tj +2.813 0 Td +(and )Tj +/TT1 1 Tf +2.025 0 Td +(@Consumes\({MediaType.TEXT_PLAIN}\))Tj +/TT0 1 Tf +( )Tj +20.216 0 Td +(annotations. )Tj +5.657 0 Td +(All )Tj +1.636 0 Td +(PUT )Tj +2.303 0 Td +(requests)Tj +( )Tj +-38.699 -1.44 Td +(will, therefore, be routed to the )Tj +/TT1 1 Tf +(updateStatistics)Tj +/TT0 1 Tf +( method. )Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.474 0 Td +(content )Tj +3.642 0 Td +(of )Tj +1.252 0 Td +(the )Tj +/TT1 1 Tf +1.752 0 Td +(@Consumes)Tj +/TT0 1 Tf +( )Tj +5.819 0 Td +(annotation )Tj +/C2_0 1 Tf +5.032 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(es )Tj +4.086 0 Td +(ho)Tj +1.1 0 Td +(w )Tj +1.196 0 Td +(to )Tj +1.252 0 Td +(interpret )Tj +4.03 0 Td +(the )Tj +1.752 0 Td +(par)Tj +1.377 0 Td +(ameter)Tj +2.87 0 Td +(. )Tj +0.696 0 Td +(It )Tj +0.974 0 Td +(is )Tj +1.085 0 Td +(a )Tj +-41.7 -1.44 Td +(plain )Tj +2.621 0 Td +(string. )Tj +2.991 0 Td 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Td +(n)Tj +0.727 0 Td +(s)Tj +0.56 0 Td +(i)Tj +0.449 0 Td +(d)Tj +0.727 0 Td +(e)Tj +0.671 0 Td +(r )Tj +1.196 0 Td +(t)Tj +0.449 0 Td +(h)Tj +0.727 0 Td +(e )Tj +1.363 0 Td +(m)Tj +1.004 0 Td +(e)Tj +0.671 0 Td +(t)Tj +0.449 0 Td +(h)Tj +0.727 0 Td +(o)Tj +0.727 0 Td +(d )Tj +/TT1 1 Tf +1.419 0 Td +(u)Tj +0.771 0 Td +(p)Tj +0.771 0 Td +(d)Tj +0.771 0 Td +(a)Tj +0.771 0 Td +(t)Tj +0.771 0 Td +(e)Tj +0.771 0 Td +(S)Tj +0.771 0 Td +(t)Tj +0.771 0 Td +(a)Tj +0.771 0 Td +(t)Tj +0.771 0 Td +(i)Tj +0.771 0 Td +(s)Tj +0.771 0 Td +(t)Tj +0.771 0 Td +(i)Tj +0.771 0 Td +(c)Tj +0.771 0 Td +(s)Tj +/TT0 1 Tf +( )Tj +1.464 0 Td +(\()Tj +0.449 0 Td +(s)Tj +0.56 0 Td +(e)Tj +0.671 0 Td +(e )Tj +1.363 0 Td +(L)Tj +0.671 0 Td +(i)Tj +0.449 0 Td +(s)Tj +0.56 0 Td +(t)Tj +0.449 0 Td +(i)Tj +0.449 0 Td +(n)Tj +0.727 0 Td +(g )Tj +1.363 0 Td +(3)Tj +0.727 0 Td +(1)Tj +0.727 0 Td +(\))Tj +0.449 0 Td +(. )Tj +1.141 0 Td +(U)Tj +0.949 0 Td +(s)Tj +0.56 0 Td +(i)Tj +0.449 0 Td +(n)Tj +0.727 0 Td +(g)Tj +( )Tj +/TT1 1 Tf +-41.7 -1.44 Td +(javax.ws.rs.core.Response)Tj +/TT0 1 Tf +( )Tj +15.46 0 Td +(as )Tj +1.347 0 Td +(a )Tj +0.958 0 Td +(return )Tj +3.014 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.292 0 Td +(doesn\222)Tj +2.798 0 Td +(t )Tj +0.736 0 Td +(make )Tj +2.791 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.958 0 Td +(sense )Tj +2.792 0 Td +(in )Tj +1.292 0 Td +(the )Tj +1.792 0 Td +(context )Tj +3.626 0 Td +(of )Tj +-41.366 -1.44 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(aServ)Tj +2.321 0 Td +(er F)Tj +1.556 0 Td +(aces \(JSF\), Servlets, or SO)Tj +10.854 0 Td +(AP)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( or ev)Tj +3.906 0 Td +(en in the context of other EJB beans. )Tj +/TT1 1 Tf +-19.849 -1.79 Td +( @PUT)Tj +0 -1.79 TD +( @Consumes\({MediaType.TEXT_PLAIN}\))Tj +T* +( public Response updateStatistics\(String url\) {)Tj +T* +( //\205)Tj +0 -1.79 TD +( return Response.noContent\(\).build\(\);)Tj +0 -1.79 TD +( })Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 31: )Tj +4.688 0 Td +(An Example of a Method Dependent on J)Tj +17.657 0 Td +(AX-RS)Tj +-20.545 -2.24 Td +(J)Tj +0.26 0 Td +(AX-RS injection of, for example, )Tj +/TT1 1 Tf +(UriInfo)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( is ev)Tj +20.778 0 Td +(en more destructi)Tj +7.484 0 Td +(v)Tj +0.488 0 Td +(e:)Tj +/TT1 1 Tf +-30.81 -1.79 Td +(import javax.ws.rs.core.UriInfo;)Tj +0 -1.79 TD +(import javax.ws.rs.core.Context;)Tj +0 -1.79 TD +(@Context UriInfo info;)Tj +/TT0 1 Tf +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.402 0 Td +(injection )Tj +4.126 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.292 0 Td +(w)Tj +0.766 0 Td +(ork )Tj +1.735 0 Td +(only )Tj +2.236 0 Td +(in )Tj +1.18 0 Td +(the )Tj +1.68 0 Td +(case )Tj +2.235 0 Td +(of )Tj +1.18 0 Td +(a )Tj +0.846 0 Td +(REST )Tj +2.513 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocation. )Tj +3.811 0 Td +(An)Tj +1.205 0 Td +(y )Tj +0.846 0 Td +(use )Tj +1.791 0 Td +(in )Tj +1.18 0 Td +(another )Tj +3.625 0 Td +(context )Tj +-39.032 -1.44 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.589 0 Td +(lead )Tj +2.477 0 Td +(to )Tj +/TT1 1 Tf +1.477 0 Td +(NullPointerException)Tj +/TT0 1 Tf +( )Tj +12.645 0 Td +(caused )Tj +3.644 0 Td +(b)Tj +0.538 0 Td +(y )Tj +1.143 0 Td +(a )Tj +1.143 0 Td +(not)Tj +/TT2 1 Tf +(-)Tj +/TT0 1 Tf +(injected )Tj +/TT1 1 Tf +5.812 0 Td +(@Context )Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 436.9931 361.7 Tm +(UriInfo )Tj +ET +Q +BT +/TT1 1 Tf +10 0 0 10 57 347.3 Tm +(info.)Tj +/TT0 1 Tf +( )Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.608 0 Td +(separ)Tj +2.266 0 Td +(ation )Tj +2.72 0 Td +(of )Tj +1.386 0 Td +(REST )Tj +2.719 0 Td +(and )Tj +2.164 0 Td +(business )Tj +4.165 0 Td +(logic )Tj +2.664 0 Td +(with )Tj +2.442 0 Td +(the )Tj +1.886 0 Td +(introduction )Tj +5.833 0 Td +(of )Tj +1.386 0 Td +(Resour)Tj +2.933 0 Td +(ce )Tj +1.552 0 Td +(classes )Tj +3.497 0 Td +(is)Tj +( )Tj +-41.533 -1.44 Td +(str)Tj +0.988 0 Td +(aightforw)Tj +4.039 0 Td +(ard. )Tj +1.951 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.488 0 Td +(only )Tj +2.266 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.876 0 Td +(to )Tj +1.21 0 Td +(introduce )Tj +4.489 0 Td +(the )Tj +1.71 0 Td +(new )Tj +2.21 0 Td +(boundaries )Tj +5.156 0 Td +(\(or )Tj +1.543 0 Td +(resour)Tj +2.655 0 Td +(ces\) )Tj +2.043 0 Td +(as )Tj +1.265 0 Td +(EJB )Tj +1.765 0 Td +(3.1 )Tj +1.766 0 Td +(beans. )Tj +-39.421 -1.44 Td +(W)Tj +0.982 0 Td +(ithout )Tj +/C2_0 1 Tf +3.167 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(guring )Tj +5.556 0 Td +(an)Tj +1.038 0 Td +(ything, )Tj +3.611 0 Td +(the )Tj +/C2_0 1 Tf +1.999 0 Td +<005D>Tj +/TT0 1 Tf +(rst )Tj +2.221 0 Td +(la)Tj +0.748 0 Td +(y)Tj +0.482 0 Td +(er )Tj +1.498 0 Td +(will )Tj +2.277 0 Td +(alw)Tj +1.538 0 Td +(a)Tj +0.47 0 Td +(ys )Tj +1.554 0 Td +(start )Tj +2.443 0 Td +(the )Tj +1.999 0 Td +(tr)Tj +0.599 0 Td +(ansaction, )Tj +5.056 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +1.221 0 Td +(gets)Tj +( )Tj +-40.533 -1.44 Td +(tr)Tj +0.599 0 Td +(ansparently propagated to all in)Tj +13.605 0 Td +(v)Tj +0.482 0 Td +(oked participants)Tj +/TT2 1 Tf +(.)Tj +/TT3 1 Tf +12 0 0 12 57 246.5 Tm +(EJB and POJO Injection)Tj +/TT0 1 Tf +10 0 0 10 75 224.1 Tm +(T)Tj +0.474 0 Td +(w)Tj +0.776 0 Td +(o )Tj +1.339 0 Td +(d)Tj +0.566 0 Td +(e)Tj +0.51 0 Td +(p)Tj +0.566 0 Td +(e)Tj +0.51 0 Td +(n)Tj +0.566 0 Td +(d)Tj +0.566 0 Td +(e)Tj +0.51 0 Td +(n)Tj +0.566 0 Td +(t )Tj +1.061 0 Td +(c)Tj +0.51 0 Td +(l)Tj +0.288 0 Td +(a)Tj +0.51 0 Td +(s)Tj +0.399 0 Td +(s)Tj +0.399 0 Td +(e)Tj +0.51 0 Td +(s )Tj +1.172 0 Td +(a)Tj +0.51 0 Td +(r)Tj +0.343 0 Td +(e )Tj +1.283 0 Td +(i)Tj +0.288 0 Td +(n)Tj +0.566 0 Td +(j)Tj +0.288 0 Td +(e)Tj +0.51 0 Td +(c)Tj +0.51 0 Td +(t)Tj +0.288 0 Td +(e)Tj +0.51 0 Td +(d )Tj +1.339 0 Td +(i)Tj +0.288 0 Td +(n)Tj +0.566 0 Td +(t)Tj +0.288 0 Td +(o )Tj +1.339 0 Td +(t)Tj +0.288 0 Td +(h)Tj +0.566 0 Td +(e )Tj +/TT1 1 Tf +1.283 0 Td +(H)Tj +0.61 0 Td +(i)Tj +0.61 0 Td +(t)Tj +0.61 0 Td +(s)Tj +0.61 0 Td +(R)Tj +0.61 0 Td +(e)Tj +0.61 0 Td +(s)Tj +0.61 0 Td +(o)Tj +0.61 0 Td +(u)Tj +0.61 0 Td +(r)Tj +0.61 0 Td +(c)Tj +0.61 0 Td +(e)Tj +/TT0 1 Tf +( )Tj +1.383 0 Td +(b)Tj +0.566 0 Td +(o)Tj +0.566 0 Td +(u)Tj +0.566 0 Td +(n)Tj +0.566 0 Td +(d)Tj +0.566 0 Td +(a)Tj +0.51 0 Td +(r)Tj +0.343 0 Td +(y)Tj +0.51 0 Td +(\227)Tj +1.01 0 Td +(t)Tj +0.288 0 Td +(h)Tj +0.566 0 Td +(e )Tj +1.283 0 Td +(c)Tj +0.51 0 Td +(l)Tj +0.288 0 Td +(a)Tj +0.51 0 Td +(s)Tj +0.399 0 Td +(s)Tj +( )Tj +/TT1 1 Tf +-41.811 -1.44 Td +(URLPathExtractor)Tj +/TT0 1 Tf +( and the EJB 3.1 bean )Tj +/TT1 1 Tf +(Hits)Tj +/TT0 1 Tf +(. )Tj +/TT1 1 Tf +1.8 -2.24 Td +(URLPathExtractor)Tj +/TT0 1 Tf +( )Tj +9.883 0 Td +(is )Tj +0.949 0 Td +(just )Tj +1.783 0 Td +(a )Tj +0.782 0 Td +(utility )Tj +2.728 0 Td +(class )Tj +2.338 0 Td +(without )Tj +3.562 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.782 0 Td +(dependenc)Tj +4.756 0 Td +(y )Tj +0.782 0 Td +(on )Tj +1.394 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.782 0 Td +(EE )Tj +1.282 0 Td +(6. )Tj +1.116 0 Td +(It )Tj +0.838 0 Td +(is )Tj +0.949 0 Td +(injected)Tj +( )Tj +-38.754 -1.44 Td +(with the )Tj +/TT1 1 Tf +(@Inject)Tj +/TT0 1 Tf +( annotation. )Tj +13.355 0 Td +(T)Tj +0.511 0 Td +(he only requirement is the existence of a default constructor)Tj +25.714 0 Td +(. )Tj +-37.78 -2.24 Td +(I )Tj +0.72 0 Td +(factored )Tj +3.943 0 Td +(out )Tj +/TT1 1 Tf +1.832 0 Td +(URLPathExtractor)Tj +/TT0 1 Tf +( )Tj +10.044 0 Td +(from )Tj +/TT1 1 Tf +2.442 0 Td +(HitsResource)Tj +/TT0 1 Tf +( )Tj +7.644 0 Td +(to )Tj +1.276 0 Td +(mitigate )Tj +3.887 0 Td +(the )Tj +1.776 0 Td +(complexity )Tj +5.221 0 Td +(and )Tj +-40.588 -1.44 Td +(increase )Tj +3.892 0 Td +(testability)Tj +4.021 0 Td +(. )Tj +0.614 0 Td +(I )Tj +0.614 0 Td +(did )Tj +1.726 0 Td +(this )Tj +1.837 0 Td +(after )Tj +2.225 0 Td +(few )Tj +1.892 0 Td +(iter)Tj +1.377 0 Td +(ations. )Tj +3.171 0 Td +(Designing )Tj +4.671 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.836 0 Td +(EE )Tj +1.336 0 Td +(applications )Tj +5.561 0 Td +(is )Tj +1.003 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +1.669 0 Td +(similar )Tj +3.225 0 Td +(to )Tj +-41.366 -1.44 Td +(plain )Tj +2.612 0 Td +(old, )Tj +2.112 0 Td +(but )Tj +1.834 0 Td +(pr)Tj +0.877 0 Td +(agmatic, )Tj +4.111 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.944 0 Td +(Platform, )Tj +4.334 0 Td +(Standard )Tj +4.223 0 Td +(Edition )Tj +3.446 0 Td +(\(J)Tj +0.544 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.944 0 Td +(SE\) )Tj +1.722 0 Td +(design. )Tj +3.501 0 Td +(Introduction )Tj +5.725 0 Td +(of )Tj +1.278 0 Td +(new )Tj +-40.366 -1.44 Td +(la)Tj +0.748 0 Td +(y)Tj +0.482 0 Td +(ers )Tj +1.554 0 Td +(happens )Tj +3.945 0 Td +(on )Tj +1.444 0 Td +(demand )Tj +3.833 0 Td +(in )Tj +1.166 0 Td +(a )Tj +0.832 0 Td +(bottom-up )Tj +4.834 0 Td +(fashion. )Tj +3.649 0 Td +(T)Tj +0.511 0 Td +(here )Tj +2.221 0 Td +(is )Tj +0.999 0 Td +(no )Tj +1.444 0 Td +(need )Tj +2.444 0 Td +(for )Tj +1.499 0 Td +(a )Tj +0.832 0 Td +(top-do)Tj +2.823 0 Td +(wn )Tj +1.666 0 Td +(introduction )Tj +-36.919 -1.44 Td +(of )Tj +1.313 0 Td +(ar)Tj +0.821 0 Td +(c)Tj +0.482 0 Td +(hitectur)Tj +3.267 0 Td +(al )Tj +1.257 0 Td +(artifacts. )Tj +4.017 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.535 0 Td +(old )Tj +1.869 0 Td +(\223di)Tj +1.26 0 Td +(vide )Tj +2.313 0 Td +(and )Tj +2.091 0 Td +(conquer\224 )Tj +4.48 0 Td +(algorithm )Tj +4.591 0 Td +(\()Tj +(http://en.wikipedia.org/wiki/)Tj +-29.805 -1.44 Td +(Di)Tj +1.038 0 Td +(vide_and_conquer_algorithm)Tj +(\) )Tj +13.495 0 Td +(can )Tj +2.158 0 Td +(be )Tj +1.658 0 Td +(applied )Tj +3.826 0 Td +(for )Tj +1.769 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +1.102 0 Td +(EE )Tj +1.602 0 Td +(6 )Tj +1.158 0 Td +(as )Tj +1.491 0 Td +(well. )Tj +2.714 0 Td +(Ov)Tj +1.321 0 Td +(erly )Tj +2.213 0 Td +(bloated )Tj +3.826 0 Td +(and )Tj +ET + +endstream +endobj +161 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 163 0 R>>endobj +162 0 obj<>endobj +163 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(66)Tj +0 Tc 0 Tw -20.432 57.06 Td +(complex )Tj +4.086 0 Td +(classes )Tj +3.308 0 Td +(are )Tj +1.696 0 Td +(di)Tj +0.816 0 Td +(vided )Tj +2.753 0 Td +(into )Tj +2.031 0 Td +(cohesi)Tj +2.761 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.863 0 Td +(and )Tj +1.975 0 Td +(easier)Tj +2.445 0 Td +(-to-understand )Tj +6.643 0 Td +(pieces )Tj +3.086 0 Td +(after )Tj +2.252 0 Td +(a )Tj +0.863 0 Td +(few )Tj +1.919 0 Td +(iter)Tj +1.377 0 Td +(ations.)Tj +( )Tj +-39.365 -1.44 Td +(No )Tj +1.731 0 Td +(upfront )Tj +3.51 0 Td +(design )Tj +3.176 0 Td +(is )Tj +1.064 0 Td +(needed, )Tj +3.843 0 Td +(because )Tj +3.898 0 Td +(no )Tj +1.509 0 Td +(upfront )Tj +3.51 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erhead )Tj +3.342 0 Td +(exists)Tj +/TT1 1 Tf +(.)Tj +/TT0 1 Tf +( )Tj +2.981 0 Td +(F)Tj +0.463 0 Td +(rom )Tj +2.119 0 Td +(the )Tj +1.731 0 Td +(design )Tj +3.176 0 Td +(perspecti)Tj +3.872 0 Td +(v)Tj +0.488 0 Td +(e)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +-41.45 -1.44 Td +(there is absolutely no difference between POJOs, EJB beans, managed bean\ s)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( or JP)Tj +35.319 0 Td +(A entities.)Tj +-33.519 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT2 1 Tf +1.527 0 Td +(URLPathExtractor)Tj +/TT0 1 Tf +( )Tj +10.072 0 Td +(is )Tj +1.138 0 Td +(injected )Tj +3.917 0 Td +(with )Tj +/TT2 1 Tf +2.361 0 Td +(@Inject)Tj +/TT0 1 Tf +(, )Tj +4.949 0 Td +(and )Tj +2.083 0 Td +(the )Tj +/TT2 1 Tf +1.805 0 Td +(Hits)Tj +/TT0 1 Tf +( )Tj +2.871 0 Td +(boundary )Tj +4.584 0 Td +(is )Tj +1.138 0 Td +(injected )Tj +-38.754 -1.44 Td +(with )Tj +2.405 0 Td +(the )Tj +/TT2 1 Tf +1.849 0 Td +(@EJB)Tj +/TT0 1 Tf +( )Tj +2.916 0 Td +(annotation. )Tj +5.333 0 Td +(T)Tj +0.511 0 Td +(his )Tj +1.738 0 Td +(distinction )Tj +5.018 0 Td +(is )Tj +1.182 0 Td +(not )Tj +1.905 0 Td +(necessary)Tj +4.075 0 Td +(. )Tj +0.701 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.627 0 Td +(could )Tj +2.961 0 Td +(also )Tj +2.238 0 Td +(inject )Tj +2.905 0 Td +(both )Tj +2.461 0 Td +(with )Tj +/TT2 1 Tf +-40.31 -1.44 Td +(@Inject)Tj +/TT0 1 Tf +(. )Tj +4.801 0 Td +(If )Tj +0.879 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.435 0 Td +(do )Tj +1.435 0 Td +(so, )Tj +1.546 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.435 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.823 0 Td +(to )Tj +1.157 0 Td +(keep )Tj +2.379 0 Td +(in )Tj +1.157 0 Td +(mind )Tj +2.546 0 Td +(that )Tj +/TT2 1 Tf +1.935 0 Td +(@Inject)Tj +/TT0 1 Tf +( )Tj +4.523 0 Td +(injection )Tj +4.103 0 Td +(is )Tj +0.99 0 Td +(more )Tj +2.545 0 Td +(po)Tj +1.1 0 Td +(werful )Tj +3.046 0 Td +(than )Tj +-40.31 -1.44 Td +(EJB )Tj +1.699 0 Td +(beans. )Tj +3.015 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.366 0 Td +(support )Tj +3.534 0 Td +(for )Tj +1.477 0 Td +(inheritance )Tj +5.145 0 Td +(is )Tj +0.977 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +1.643 0 Td +(poor )Tj +2.311 0 Td +(in )Tj +1.144 0 Td +(EJB)Tj +1.365 0 Td +(, )Tj +0.588 0 Td +(but )Tj +1.7 0 Td +(it )Tj +0.866 0 Td +(is )Tj +0.977 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +1.643 0 Td +(po)Tj +1.1 0 Td +(werful )Tj +3.033 0 Td +(in )Tj +1.144 0 Td +(CDI )Tj +2.033 0 Td +(managed )Tj +-38.255 -1.44 Td +(beans. )Tj +3.279 0 Td +(T)Tj +0.482 0 Td +(rying )Tj +2.741 0 Td +(to )Tj +1.408 0 Td +(inject )Tj +2.964 0 Td +(polymorphic )Tj +6.076 0 Td +(EJB )Tj +1.963 0 Td +(beans )Tj +3.075 0 Td +(with )Tj +/TT2 1 Tf +2.464 0 Td +(@Inject)Tj +/TT0 1 Tf +( )Tj +4.775 0 Td +(could )Tj +3.02 0 Td +(lead )Tj +2.408 0 Td +(to )Tj +1.408 0 Td +(nasty )Tj +2.797 0 Td +(runtime )Tj +-38.866 -1.44 Td +(problems.)Tj +/TT3 1 Tf +12 0 0 12 57 469.9999 Tm +(Ev)Tj +0.988 0 Td +(entual Consistenc)Tj +7.701 0 Td +(y with Singletons)Tj +/TT0 1 Tf +10 0 0 10 75 447.5999 Tm +(Ev)Tj +0.988 0 Td +(ery )Tj +1.924 0 Td +(clic)Tj +1.538 0 Td +(k )Tj +1.091 0 Td +(is )Tj +1.258 0 Td +(forw)Tj +1.927 0 Td +(arded )Tj +3.036 0 Td +(to )Tj +1.425 0 Td +(the )Tj +1.925 0 Td +(bac)Tj +1.538 0 Td +(kend )Tj +2.703 0 Td +(b)Tj +0.538 0 Td +(y )Tj +1.091 0 Td +(an )Tj +1.647 0 Td +(HTTP )Tj +/C2_0 1 Tf +3.037 0 Td +<005D>Tj +/TT0 1 Tf +(lter )Tj +2.536 0 Td +(and )Tj +2.203 0 Td +(forw)Tj +1.927 0 Td +(arded )Tj +3.036 0 Td +(to )Tj +/TT2 1 Tf +1.425 0 Td +(x-ray-)Tj +-38.599 -1.44 Td +(services)Tj +/TT0 1 Tf +( )Tj +5.112 0 Td +(via )Tj +1.589 0 Td +(HTTP )Tj +2.757 0 Td +(PUT)Tj +1.779 0 Td +(. )Tj +0.589 0 Td +(But )Tj +1.756 0 Td +(ho)Tj +1.1 0 Td +(w )Tj +1.089 0 Td +(do )Tj +1.423 0 Td +(we )Tj +1.589 0 Td +(persist )Tj +3.034 0 Td +(and )Tj +1.923 0 Td +(compute )Tj +4.09 0 Td +(the )Tj +1.645 0 Td +(statistics? )Tj +4.22 0 Td +(W)Tj +0.963 0 Td +(e )Tj +0.811 0 Td +(are )Tj +1.644 0 Td +(actually )Tj +3.701 0 Td +(not )Tj +-40.81 -1.44 Td +(interested )Tj +4.501 0 Td +(in )Tj +1.167 0 Td +(tr)Tj +0.599 0 Td +(ac)Tj +0.982 0 Td +(king )Tj +2.167 0 Td +(user )Tj +2.111 0 Td +(beha)Tj +2.082 0 Td +(vior; )Tj +2.278 0 Td +(r)Tj +0.321 0 Td +(ather )Tj +2.5 0 Td +(we )Tj +1.611 0 Td +(are )Tj +1.666 0 Td +(interested )Tj +4.501 0 Td +(in )Tj +1.167 0 Td +(the )Tj +1.667 0 Td +(popularity )Tj +4.724 0 Td +(of )Tj +1.167 0 Td +(posts. )Tj +2.742 0 Td +(W)Tj +0.963 0 Td +(e )Tj +0.833 0 Td +(could)Tj +( )Tj +-39.754 -1.44 Td +(insert )Tj +2.742 0 Td +(new )Tj +2.242 0 Td +(URIs )Tj +2.464 0 Td +(into )Tj +2.076 0 Td +(the )Tj +1.742 0 Td +(database )Tj +4.187 0 Td +(and )Tj +2.02 0 Td +(update )Tj +3.354 0 Td +(the )Tj +1.742 0 Td +(statistics )Tj +3.965 0 Td +(for )Tj +1.575 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.908 0 Td +(existing )Tj +3.687 0 Td +(URIs. )Tj +2.742 0 Td +(On )Tj +1.797 0 Td +(ev)Tj +0.988 0 Td +(ery)Tj +( )Tj +-40.867 -1.44 Td +(clic)Tj +1.538 0 Td +(k, )Tj +1.187 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.521 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.355 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.909 0 Td +(to )Tj +1.243 0 Td +(perform )Tj +3.798 0 Td +(an )Tj +1.465 0 Td +(insert )Tj +2.743 0 Td +(or )Tj +1.298 0 Td +(database )Tj +4.188 0 Td +(update. )Tj +3.559 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.465 0 Td +(database )Tj +4.188 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.355 0 Td +(become )Tj +3.854 0 Td +(a )Tj +-41.7 -1.44 Td +(potential )Tj +4.21 0 Td +(bottlenec)Tj +3.984 0 Td +(k, )Tj +1.208 0 Td +(and )Tj +2.042 0 Td +(we )Tj +1.708 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.376 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.93 0 Td +(to )Tj +1.264 0 Td +(deal )Tj +2.264 0 Td +(with )Tj +2.32 0 Td +(it )Tj +0.986 0 Td +(from )Tj +2.43 0 Td +(the )Tj +1.764 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +/C2_0 1 Tf +1.763 0 Td +<005D>Tj +/TT0 1 Tf +(rst )Tj +1.986 0 Td +(increment. )Tj +5.042 0 Td +(On )Tj +1.819 0 Td +(the )Tj +-40.866 -1.44 Td +(other )Tj +2.53 0 Td +(hand, )Tj +2.753 0 Td +(a )Tj +0.807 0 Td +(centr)Tj +2.155 0 Td +(al )Tj +1.084 0 Td +(database )Tj +4.085 0 Td +(as )Tj +1.195 0 Td +(centr)Tj +2.155 0 Td +(al )Tj +1.084 0 Td +(data )Tj +2.141 0 Td +(store )Tj +2.362 0 Td +(is )Tj +0.974 0 Td +(the )Tj +1.641 0 Td +(most )Tj +2.362 0 Td +(consistent )Tj +4.586 0 Td +(approac)Tj +3.483 0 Td +(h. )Tj +1.066 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.362 0 Td +(system )Tj +3.196 0 Td +(is)Tj +( )Tj +-41.533 -1.44 Td +(alw)Tj +1.538 0 Td +(a)Tj +0.47 0 Td +(ys )Tj +1.175 0 Td +(in )Tj +1.12 0 Td +(a )Tj +0.786 0 Td +(consistent )Tj +4.566 0 Td +(state )Tj +2.231 0 Td +(at )Tj +1.064 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.619 0 Td +(point )Tj +2.51 0 Td +(in )Tj +1.12 0 Td +(time. )Tj +2.453 0 Td +(So, )Tj +1.62 0 Td +(ho)Tj +1.1 0 Td +(w )Tj +1.064 0 Td +(do )Tj +1.398 0 Td +(we )Tj +1.564 0 Td +(decide )Tj +3.176 0 Td +(w)Tj +0.76 0 Td +(hat )Tj +1.62 0 Td +(consistenc)Tj +4.478 0 Td +(y )Tj +0.786 0 Td +(lev)Tj +1.266 0 Td +(el )Tj +1.064 0 Td +(is)Tj +( )Tj +-41.533 -1.44 Td +(actually needed? )Tj +7.429 0 Td +(T)Tj +0.511 0 Td +(he ans)Tj +2.767 0 Td +(wer is easy)Tj +4.631 0 Td +(. )Tj +0.519 0 Td +(A dev)Tj +2.489 0 Td +(eloper cannot just decide that; it is a business decision.)Tj +-16.546 -2.24 Td +(In )Tj +1.118 0 Td +(the )Tj +1.618 0 Td +(role )Tj +1.951 0 Td +(of )Tj +1.118 0 Td +(domain )Tj +3.563 0 Td +(expert, )Tj +3.229 0 Td +(I\222m )Tj +1.673 0 Td +(really )Tj +2.673 0 Td +(interested )Tj +4.452 0 Td +(in )Tj +1.118 0 Td +(the )Tj +1.618 0 Td +(popularity )Tj +4.675 0 Td +(of )Tj +1.118 0 Td +(eac)Tj +1.482 0 Td +(h )Tj +0.84 0 Td +(post. )Tj +2.304 0 Td +(At )Tj +1.229 0 Td +(the )Tj +1.618 0 Td +(time )Tj +2.173 0 Td +(of )Tj +-41.366 -1.44 Td +(this )Tj +1.919 0 Td +(writing, )Tj +3.697 0 Td +(there )Tj +2.585 0 Td +(are )Tj +1.751 0 Td +(about )Tj +2.864 0 Td +(one )Tj +2.03 0 Td +(thousand )Tj +4.365 0 Td +(posts. )Tj +2.864 0 Td +(It )Tj +0.974 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.364 0 Td +(be )Tj +1.474 0 Td +(interesting )Tj +4.864 0 Td +(to )Tj +1.252 0 Td +(kno)Tj +1.6 0 Td +(w )Tj +1.196 0 Td +(ho)Tj +1.1 0 Td +(w )Tj +1.196 0 Td +(popular )Tj +-38.865 -1.44 Td +(eac)Tj +1.482 0 Td +(h )Tj +0.998 0 Td +(one )Tj +2.054 0 Td +(is. )Tj +1.387 0 Td +(Suc)Tj +1.538 0 Td +(h )Tj +0.998 0 Td +(statistics )Tj +3.999 0 Td +(don\222)Tj +1.909 0 Td +(t )Tj +0.72 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.942 0 Td +(to )Tj +1.276 0 Td +(be )Tj +1.498 0 Td +(consistent )Tj +4.722 0 Td +(in )Tj +1.276 0 Td +(real )Tj +2.053 0 Td +(time. )Tj +2.572 0 Td +(A )Tj +1.109 0 Td +(daily )Tj +2.554 0 Td +(update )Tj +3.388 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.388 0 Td +(be )Tj +ET +BT +/C2_0 1 Tf +10 0 0 10 57 266.8 Tm +<004B004D003E005D>Tj +/TT0 1 Tf +(cient. )Tj +4.555 0 Td +(Before )Tj +3.164 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y)Tj +0.408 0 Td +(, )Tj +0.664 0 Td +(I )Tj +0.664 0 Td +(used )Tj +2.387 0 Td +(weekly )Tj +3.405 0 Td +(W)Tj +0.963 0 Td +(ebalizer )Tj +3.831 0 Td +(\()Tj +(http://www)Tj +5.04 0 Td +(.mrunix.net/webalizer/)Tj +(\) )Tj +10.389 0 Td +(runs )Tj +2.22 0 Td +(for )Tj +1.553 0 Td +(the )Tj +-40.866 -1.44 Td +(computation )Tj +5.989 0 Td +(and )Tj +2.154 0 Td +(published )Tj +4.767 0 Td +(the )Tj +1.876 0 Td +(statistics )Tj +4.099 0 Td +(monthly)Tj +3.465 0 Td +(. )Tj +0.783 0 Td +(A )Tj +1.209 0 Td +(daily )Tj +2.654 0 Td +(statistic )Tj +3.71 0 Td +(update )Tj +3.488 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.488 0 Td +(be )Tj +1.598 0 Td +(a )Tj +1.042 0 Td +(huge)Tj +( )Tj +-40.088 -1.44 Td +(impro)Tj +2.544 0 Td +(v)Tj +0.488 0 Td +(ement compared to the previous situation.)Tj +-1.232 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.405 0 Td +(next )Tj +2.184 0 Td +(interesting )Tj +4.795 0 Td +(statistic )Tj +3.518 0 Td +(is )Tj +1.016 0 Td +(currently )Tj +4.184 0 Td +(trending )Tj +3.907 0 Td +(topics. )Tj +3.184 0 Td +(It )Tj +0.905 0 Td +(is )Tj +1.016 0 Td +(interesting )Tj +4.795 0 Td +(to )Tj +1.183 0 Td +(see )Tj +1.738 0 Td +(w)Tj +0.76 0 Td +(hat )Tj +1.683 0 Td +(happens )Tj +-38.587 -1.44 Td +(in )Tj +1.258 0 Td +(real )Tj +2.035 0 Td +(time, )Tj +2.591 0 Td +(but )Tj +1.814 0 Td +(these )Tj +2.647 0 Td +(results )Tj +3.147 0 Td +(don\222)Tj +1.909 0 Td +(t )Tj +0.702 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.924 0 Td +(to )Tj +1.258 0 Td +(be )Tj +1.48 0 Td +(stored )Tj +3.036 0 Td +(persistently)Tj +4.743 0 Td +(. )Tj +0.628 0 Td +(T)Tj +0.511 0 Td +(hey )Tj +1.98 0 Td +(could )Tj +2.87 0 Td +(get )Tj +1.702 0 Td +(lost )Tj +1.925 0 Td +(at )Tj +1.202 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +-40.867 -1.44 Td +(serv)Tj +1.71 0 Td +(er )Tj +1.392 0 Td +(restart )Tj +3.17 0 Td +(or )Tj +1.448 0 Td +(cr)Tj +0.821 0 Td +(ash. )Tj +2.282 0 Td +(P)Tj +0.511 0 Td +(ersisting )Tj +4.06 0 Td +(the )Tj +1.893 0 Td +(current )Tj +3.615 0 Td +(trend )Tj +2.782 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.505 0 Td +(be )Tj +1.615 0 Td +(a )Tj +1.059 0 Td +(nice, )Tj +2.671 0 Td +(but )Tj +1.949 0 Td +(not )Tj +1.949 0 Td +(an )Tj +1.615 0 Td +(absolutely)Tj +( )Tj +-37.809 -1.44 Td +(necessary)Tj +4.075 0 Td +(, )Tj +0.84 0 Td +(feature. )Tj +3.785 0 Td +(Furthermore, )Tj +6.118 0 Td +(it )Tj +1.118 0 Td +(turns )Tj +2.674 0 Td +(out )Tj +1.952 0 Td +(that )Tj +2.174 0 Td +(so )Tj +1.507 0 Td +(far)Tj +1.037 0 Td +(, )Tj +0.84 0 Td +(the )Tj +1.896 0 Td +(Linux, )Tj +3.23 0 Td +(JDK )Tj +2.229 0 Td +(1.6, )Tj +2.23 0 Td +(GlassF)Tj +2.816 0 Td +(ish, )Tj +2.063 0 Td +(and)Tj +( )Tj +-40.588 -1.44 Td +(Hypersonic )Tj +5.407 0 Td +(database )Tj +4.24 0 Td +(\(HSQLDB\) )Tj +5.017 0 Td +(\()Tj +(http://hsqldb.org)Tj +(\) )Tj +8.077 0 Td +(combination )Tj +5.908 0 Td +(is )Tj +1.128 0 Td +(extremely )Tj +4.683 0 Td +(stable. )Tj +3.166 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.517 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +-41.367 -1.44 Td +(has )Tj +1.894 0 Td +(nev)Tj +1.544 0 Td +(er )Tj +1.282 0 Td +(cr)Tj +0.821 0 Td +(ashed )Tj +2.95 0 Td +(thus )Tj +2.228 0 Td +(far)Tj +1.037 0 Td +(. )Tj +0.727 0 Td +(It )Tj +1.005 0 Td +(r)Tj +0.321 0 Td +(an )Tj +1.505 0 Td +(for )Tj +1.616 0 Td +(months, )Tj +3.895 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.505 0 Td +(y)Tj +0.482 0 Td +(ears. )Tj +2.449 0 Td +(I )Tj +0.727 0 Td +(restarted )Tj +4.116 0 Td +(it )Tj +1.005 0 Td +(only )Tj +2.339 0 Td 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+1.319 0 Td +(ConcurrentHashMap)Tj +/TT0 1 Tf +( )Tj +10.854 0 Td +(can )Tj +2.208 0 Td +(be )Tj +1.708 0 Td +(directly )Tj +3.875 0 Td +(exposed )Tj +4.209 0 Td +(in )Tj +1.486 0 Td +(a)Tj +( )Tj +/TT1 1 Tf +-41.7 -1.44 Td +(@Singleton)Tj +/TT0 1 Tf +( to multiple threads without an)Tj +19.212 0 Td +(y sync)Tj +2.705 0 Td +(hronization \(see Listing 32\):)Tj +/TT1 1 Tf +-21.917 -4.03 Td +(@Singleton)Tj +0 -1.79 TD +(@ConcurrencyManagement\(ConcurrencyManagementType.BEAN\))Tj +T* +(public class Hits {)Tj +T* +( )Tj +T* +(private ConcurrentHashMap hits = null;)Tj +0 -3.58 TD +(@PostConstruct)Tj +0 -1.79 TD +(public void preloadCache\(\) {)Tj +T* +(hits = new ConcurrentHashMap\(hits\);)Tj +T* +(//\205preloading)Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 32: Using ConcurrentHashMap as a Cac)Tj +20.379 0 Td +(he)Tj +-18.579 -2.24 Td +(A )Tj +0.955 0 Td +(method )Tj +3.567 0 Td +(in )Tj +1.122 0 Td +(a )Tj +/TT1 1 Tf +0.788 0 Td +(@Singleton)Tj +/TT0 1 Tf +( )Tj +6.289 0 Td +(annotated )Tj +4.568 0 Td +(with )Tj +/TT1 1 Tf +2.178 0 Td +(@PostConstruct)Tj +/TT0 1 Tf +( )Tj +8.689 0 Td +(will )Tj +1.9 0 Td +(be )Tj +1.344 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked )Tj +2.4 0 Td +(just )Tj +1.789 0 Td +(after )Tj +2.177 0 Td +(the )Tj +-40.866 -1.44 Td +(creation )Tj +3.803 0 Td +(of )Tj +1.136 0 Td +(the )Tj +1.636 0 Td +(instance )Tj +3.859 0 Td +(and )Tj +1.914 0 Td +(the )Tj +1.636 0 Td +(injection )Tj +4.082 0 Td +(of )Tj +1.136 0 Td +(all )Tj +1.358 0 Td +(dependencies. )Tj +6.435 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.414 0 Td +(can )Tj +1.858 0 Td +(rely )Tj +1.913 0 Td +(on )Tj +1.414 0 Td +(the )Tj +1.636 0 Td +(existence )Tj +4.303 0 Td +(of )Tj +1.136 0 Td +(all )Tj +/C2_0 1 Tf +-41.144 -1.44 Td +<004100460042003D003B004C003D003C0001005D>Tj +/TT0 1 Tf +(elds. Either the injection is successful, or the instance will not be cr\ eated. )Tj +1.8 -2.24 Td +(W)Tj +0.963 0 Td +(e )Tj +1.222 0 Td +(are )Tj +2.055 0 Td +(using )Tj +3.001 0 Td +(the )Tj +/TT1 1 Tf +2.056 0 Td +(ConcurrentHashMap)Tj +/TT0 1 Tf +( )Tj +10.924 0 Td +(as )Tj +1.611 0 Td +(a )Tj +1.222 0 Td +(cac)Tj +1.482 0 Td +(he. )Tj +1.982 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.778 0 Td +(ConcurrentHashMap)Tj +/TT0 1 Tf +( )Tj +10.924 0 Td +(is )Tj +-41.533 -1.44 Td +(i)Tj +0.282 0 Td +(n)Tj +0.56 0 Td +(i)Tj +0.282 0 Td +(t)Tj +0.282 0 Td +(i)Tj +0.282 0 Td +(a)Tj +0.504 0 Td +(l)Tj +0.282 0 Td +(i)Tj +0.282 0 Td +(z)Tj +0.504 0 Td +(e)Tj +0.504 0 Td +(d )Tj +1.336 0 Td +(i)Tj +0.282 0 Td +(n )Tj +1.336 0 Td +(t)Tj +0.282 0 Td +(h)Tj +0.56 0 Td +(e )Tj +/TT1 1 Tf +1.28 0 Td +(@)Tj +0.605 0 Td +(P)Tj +0.605 0 Td +(o)Tj +0.605 0 Td +(s)Tj +0.605 0 Td +(t)Tj +0.605 0 Td +(C)Tj +0.605 0 Td +(o)Tj +0.605 0 Td +(n)Tj +0.605 0 Td +(s)Tj +0.605 0 Td +(t)Tj +0.605 0 Td +(r)Tj +0.605 0 Td +(u)Tj +0.605 0 Td +(c)Tj +0.605 0 Td +(t)Tj +/TT0 1 Tf +( )Tj +/TT1 1 Tf +1.38 0 Td +(p)Tj +0.605 0 Td +(r)Tj +0.605 0 Td +(e)Tj +0.605 0 Td +(l)Tj +0.605 0 Td +(o)Tj +0.605 0 Td +(a)Tj +0.605 0 Td +(d)Tj +0.605 0 Td +(C)Tj +0.605 0 Td +(a)Tj +0.605 0 Td +(c)Tj +0.605 0 Td +(h)Tj +0.605 0 Td +(e)Tj +/TT0 1 Tf +( )Tj +1.38 0 Td +(m)Tj +0.837 0 Td +(e)Tj +0.504 0 Td +(t)Tj +0.282 0 Td +(h)Tj +0.56 0 Td +(o)Tj +0.56 0 Td +(d )Tj +1.336 0 Td +(j)Tj +0.282 0 Td +(u)Tj +0.56 0 Td +(s)Tj +0.393 0 Td +(t )Tj +1.058 0 Td +(t)Tj +0.282 0 Td +(o )Tj +1.336 0 Td +(g)Tj +0.504 0 Td +(r)Tj +0.337 0 Td +(o)Tj +0.56 0 Td +(u)Tj +0.56 0 Td +(p )Tj +1.336 0 Td +(t)Tj +0.282 0 Td +(h)Tj +0.56 0 Td +(e )Tj +1.28 0 Td +(w)Tj +0.764 0 Td +(h)Tj +0.56 0 Td +(o)Tj +0.56 0 Td +(l)Tj +0.282 0 Td +(e )Tj +-41.7 -1.44 Td +(initialization )Tj +5.993 0 Td +(process )Tj +3.824 0 Td +(of )Tj +1.435 0 Td +(the )Tj +1.935 0 Td +(class )Tj +2.657 0 Td +(in )Tj +1.435 0 Td +(one )Tj +2.213 0 Td +(place. )Tj +3.213 0 Td +(J)Tj +0.26 0 Td +(ust )Tj +1.824 0 Td +(after )Tj +2.49 0 Td +(the )Tj +1.935 0 Td +(initialization)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +6.243 0 Td +(the )Tj +1.935 0 Td +(cac)Tj +1.482 0 Td +(he )Tj +1.657 0 Td +(gets )Tj +-40.533 -1.44 Td +(prepopulated from the persistent store at startup.)Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.434 0 Td +(method )Tj +/TT1 1 Tf +3.657 0 Td +(updateStatistics)Tj +/TT0 1 Tf +( )Tj +9.98 0 Td +(is )Tj +1.045 0 Td +(directly )Tj +3.601 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked )Tj +2.49 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.878 0 Td +(the )Tj +/TT1 1 Tf +1.712 0 Td +(HitsResource)Tj +/TT0 1 Tf +(, )Tj +7.858 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.934 0 Td +(is )Tj +1.045 0 Td +(the )Tj +-40.866 -1.44 Td +(REST boundary \(see Listing 33\). )Tj +ET + +endstream +endobj +168 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 169 0 R>>endobj +169 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(69)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( public void updateStatistics\(String uri, String referer, )Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 624.1999 Tm +(Map headerMap\) {)Tj +0 -1.79 TD +( try {)Tj +T* +( if \(urlFilter.ignore\(uri\) || httpHeaderFilter.ignore)Tj +0 -0.99 TD +(\(headerMap\)\) {)Tj +0 -1.79 TD +( numberOfRejectedRequests.incrementAndGet\(\);)Tj +0 -1.79 TD +( return;)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( storeURI\(uri\);)Tj +T* +( if \(referer != null && !referer.isEmpty\(\)\) {)Tj +T* +( storeReferer\(referer\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( } catch \(Exception e\) { // logging\205)Tj +T* +( })Tj +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 33: Protocol-Agnostic Boundary Implementation)Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.417 0 Td +(implementation )Tj +7.141 0 Td +(is )Tj +1.028 0 Td +(str)Tj +0.988 0 Td +(aightforw)Tj +4.039 0 Td +(ard. )Tj +2.028 0 Td +(It )Tj +0.917 0 Td +(is )Tj +1.028 0 Td +(a )Tj +0.861 0 Td +(simple )Tj +3.195 0 Td +(facade )Tj +3.195 0 Td +(that )Tj +1.973 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(okes )Tj +2.306 0 Td +(the )Tj +/TT1 1 Tf +1.695 0 Td +(storeURI)Tj +/TT0 1 Tf +( )Tj +5.162 0 Td +(and )Tj +/TT1 1 Tf +-40.588 -1.44 Td +(storeReferer)Tj +/TT0 1 Tf +( after c)Tj +10.128 0 Td +(hec)Tj +1.538 0 Td +(king the preconditions. )Tj +10.098 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +(storeURI)Tj +/TT0 1 Tf +( in)Tj +7.235 0 Td +(v)Tj +0.482 0 Td +(okes tw)Tj +3.267 0 Td +(o other methods:)Tj +/TT1 1 Tf +-33.259 -4.03 Td +( void storeURI\(String uniqueAction\) {)Tj +0 -1.79 TD +( storeHitStatistics\(uniqueAction\);)Tj +T* +( if \(isRelevantForTrend\(uniqueAction\)\) {)Tj +T* +( storeTrending\(uniqueAction\);)Tj +T* +( })Tj +T* +( })Tj +/TT0 1 Tf +1.8 -2.24 Td +(Inside )Tj +2.894 0 Td +(the )Tj +/TT1 1 Tf +1.671 0 Td +(storeHitsStatistics)Tj +/TT0 1 Tf +( )Tj +11.739 0 Td +(method)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.866 0 Td +(the )Tj +1.671 0 Td +(actual )Tj +2.949 0 Td +(magic )Tj +2.948 0 Td +(happens. )Tj +4.154 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.393 0 Td +(putIfAbsent)Tj +/TT0 1 Tf +( )Tj +-35.599 -1.44 Td +(method )Tj +3.616 0 Td +(is )Tj +1.004 0 Td +(the )Tj +1.671 0 Td +(reason )Tj +3.171 0 Td +(for )Tj +1.504 0 Td +(using )Tj +/TT1 1 Tf +2.616 0 Td +(ConcurrentHashMap)Tj +/TT0 1 Tf +(, )Tj +10.816 0 Td +(instead )Tj +3.394 0 Td +(of )Tj +1.171 0 Td +(the )Tj +1.671 0 Td +(usual )Tj +/TT1 1 Tf +2.616 0 Td +(Map)Tj +/TT0 1 Tf +( )Tj +2.137 0 Td +(interface)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.31 0 Td +(in )Tj +1.171 0 Td +(the )Tj +-40.866 -1.44 Td +(declar)Tj +2.655 0 Td +(ation:)Tj +/TT1 1 Tf +-2.655 -1.79 Td +( long storeHitStatistics\(String uniqueAction\) {)Tj +/TT3 1 Tf +0 -1.79 TD +( hitStatistics.putIfAbsent\(uniqueAction, new AtomicLong\(\)\);)Tj +0 -1.79 TD +( AtomicLong hitCount = hitStatistics.get\(uniqueAction\);)Tj +T* +( return hitCount.incrementAndGet\(\);)Tj +ET + +endstream +endobj +170 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 171 0 R>>endobj +171 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(70)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( })Tj +ET +Q +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 75 611.7 Tm +(F)Tj +0.455 0 Td +(or )Tj +1.25 0 Td +(an )Tj +1.417 0 Td +(unkno)Tj +2.712 0 Td +(wn )Tj +1.695 0 Td +(URI)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.278 0 Td +(a )Tj +0.861 0 Td +(new )Tj +/TT1 1 Tf +2.195 0 Td +(AtomicLong)Tj +/TT0 1 Tf +( )Tj +6.362 0 Td +(instance )Tj +3.918 0 Td +(is )Tj +1.028 0 Td +(created. )Tj +3.806 0 Td +(If )Tj +0.917 0 Td +(the )Tj +1.695 0 Td +(URI )Tj +2.028 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.861 0 Td +(exists)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.945 0 Td +(the )Tj +-40.866 -1.44 Td +(c)Tj +0.517 0 Td +(o)Tj +0.573 0 Td +(r)Tj +0.35 0 Td +(r)Tj +0.35 0 Td +(e)Tj +0.517 0 Td +(s)Tj +0.406 0 Td +(p)Tj +0.573 0 Td +(o)Tj +0.573 0 Td +(n)Tj +0.573 0 Td +(d)Tj +0.573 0 Td +(i)Tj +0.295 0 Td +(n)Tj +0.573 0 Td +(g )Tj +/TT1 1 Tf +1.286 0 Td +(A)Tj +0.617 0 Td +(t)Tj +0.617 0 Td +(o)Tj +0.617 0 Td +(m)Tj +0.617 0 Td +(i)Tj +0.617 0 Td +(c)Tj +0.617 0 Td +(I)Tj +0.617 0 Td +(n)Tj +0.617 0 Td +(t)Tj +0.617 0 Td +(e)Tj +0.617 0 Td +(g)Tj +0.617 0 Td +(e)Tj +0.617 0 Td +(r)Tj +/TT0 1 Tf +( )Tj +1.387 0 Td +(i)Tj +0.295 0 Td +(n)Tj +0.573 0 Td +(s)Tj +0.406 0 Td +(t)Tj +0.295 0 Td +(a)Tj +0.517 0 Td +(n)Tj +0.573 0 Td +(c)Tj +0.517 0 Td +(e )Tj +1.286 0 Td +(i)Tj +0.295 0 Td +(s )Tj +1.175 0 Td +(r)Tj +0.35 0 Td +(e)Tj +0.517 0 Td +(t)Tj +0.295 0 Td +(u)Tj +0.573 0 Td +(r)Tj +0.35 0 Td +(n)Tj +0.573 0 Td +(e)Tj +0.517 0 Td +(d )Tj +1.342 0 Td +(a)Tj +0.517 0 Td +(n)Tj +0.573 0 Td +(d )Tj +1.342 0 Td +(i)Tj +0.295 0 Td +(t)Tj +0.295 0 Td +(s )Tj +1.175 0 Td +(v)Tj +0.493 0 Td +(a)Tj +0.517 0 Td +(l)Tj +0.295 0 Td +(u)Tj +0.573 0 Td 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+(ailability)Tj +/TT0 1 Tf +10 0 0 10 75 570.7999 Tm +(T)Tj +0.511 0 Td +(he )Tj +1.585 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +1.029 0 Td +(bac)Tj +1.538 0 Td +(kend )Tj +2.641 0 Td +(stores )Tj +2.974 0 Td +(its )Tj +1.474 0 Td +(state )Tj +2.474 0 Td +(in )Tj +1.363 0 Td +(key-v)Tj +2.309 0 Td +(alue )Tj +2.363 0 Td +(pairs. )Tj +2.826 0 Td +(Also, )Tj +2.697 0 Td +(simple )Tj +3.363 0 Td +(statistics, )Tj +4.364 0 Td +(suc)Tj +1.427 0 Td +(h )Tj +1.085 0 Td +(as )Tj +1.418 0 Td +(the)Tj +( )Tj +-40.866 -1.44 Td +(computation )Tj +5.765 0 Td +(of )Tj +1.152 0 Td +(total )Tj +2.208 0 Td +(hits, )Tj +2.097 0 Td +(are )Tj +1.651 0 Td +(performed )Tj +4.763 0 Td +(on )Tj +1.43 0 Td +(the )Tj +1.652 0 Td +(key-v)Tj +2.309 0 Td +(alue )Tj +2.152 0 Td +(store. )Tj +2.578 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.374 0 Td +(state )Tj +2.263 0 Td +(of )Tj +1.152 0 Td +(the )Tj +1.652 0 Td +(tr)Tj +0.599 0 Td +(ansient )Tj +3.375 0 Td +(cac)Tj +1.482 0 Td +(he )Tj +1.374 0 Td +(is )Tj +/C2_0 1 Tf +-41.533 -1.44 Td +<005E>Tj +/TT0 1 Tf +(ushed )Tj +3.45 0 Td +(into )Tj +2.005 0 Td +(a )Tj +0.837 0 Td +(persistent )Tj +4.394 0 Td +(store )Tj +2.393 0 Td +(in )Tj +1.171 0 Td +(a )Tj +/C2_0 1 Tf +0.837 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(able )Tj +2.171 0 Td +(period )Tj +3.116 0 Td +(repeatedly)Tj +4.409 0 Td +(. )Tj +0.578 0 Td +(A )Tj +1.004 0 Td +(cr)Tj +0.821 0 Td +(ash )Tj +1.782 0 Td +(or )Tj +1.226 0 Td +(reboot )Tj +3.116 0 Td +(between )Tj +4.005 0 Td +(the )Tj +-40.866 -1.44 Td +(sync)Tj +1.927 0 Td +(hronization )Tj +5.324 0 Td +(points )Tj +2.99 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.323 0 Td +(lead )Tj +2.211 0 Td +(to )Tj +1.211 0 Td +(data )Tj +2.211 0 Td +(loss. )Tj +2.193 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.433 0 Td +(shorter )Tj +3.322 0 Td +(the )Tj +1.711 0 Td +(period )Tj +3.156 0 Td +(between )Tj +/C2_0 1 Tf +4.045 0 Td +<005E>Tj +/TT0 1 Tf +(ushes, )Tj +3.601 0 Td +(the )Tj +1.711 0 Td +(less)Tj +( )Tj +-40.644 -1.44 Td 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TD +(Map headerMap\) {)Tj +7.2 -1.79 Td +(//...)Tj +-7.2 -1.79 Td +( })Tj +/TT2 1 Tf +0 -3.58 TD +( @Schedule\(minute = "*/5", hour = "*", persistent = false\))Tj +0 -1.79 TD +( public void persistHitsCache\(\) {)Tj +0 -1.79 TD +( hitStore.store\(hitStatistics\);)Tj +T* +( })Tj +/TT1 1 Tf +0 -3.58 TD +( @Schedule\(minute = "*/5", hour = "*", persistent = false\))Tj +0 -1.79 TD +( public void persistReferersCache\(\) {)Tj +/TT2 1 Tf +0 -1.79 TD +( refererStore.store\(refererStatistics\);)Tj +/TT1 1 Tf +T* +( })Tj +0 -3.58 TD +( @Schedule\(hour = "*/1", persistent = false\))Tj +0 -1.79 TD +( public void resetTrends\(\) {)Tj +0 -1.79 TD +( trending.clear\(\);)Tj +T* +( })Tj +3.6 -1.79 Td +(//...methods ommitted)Tj +-3.6 -1.79 Td +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 34: Ev)Tj +5.713 0 Td +(entual P)Tj +3.457 0 Td +(ersistenc)Tj +3.699 0 Td +(y with @Sc)Tj +4.728 0 Td +(hedule)Tj +-15.797 -2.24 Td +(Ev)Tj +0.988 0 Td +(ery )Tj +/C2_0 1 Tf +1.682 0 Td +<005D>Tj +/TT0 1 Tf +(v)Tj +1.044 0 Td +(e )Tj +0.849 0 Td +(minutes )Tj +/TT1 1 Tf +3.739 0 Td +(\(minute )Tj +4.872 0 Td +(= )Tj +1.271 0 Td +(\223*/5\224\))Tj +/TT0 1 Tf +(, )Tj +4.228 0 Td +(the )Tj +1.683 0 Td +(method )Tj +/TT1 1 Tf +3.628 0 Td +(persistHitsCache)Tj +/TT0 1 Tf +( )Tj +9.951 0 Td +(is )Tj +1.016 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked )Tj +2.461 0 Td +(in )Tj +1.183 0 Td +(a)Tj +( )Tj +-41.7 -1.44 Td +(tr)Tj +0.599 0 Td +(ansaction )Tj +4.758 0 Td +(context )Tj +3.813 0 Td +(b)Tj +0.538 0 Td +(y )Tj +1.145 0 Td +(the )Tj +1.979 0 Td +(container)Tj +3.983 0 Td +(. )Tj +0.923 0 Td +(In )Tj +1.479 0 Td +(subsequent )Tj +5.481 0 Td +(iter)Tj +1.377 0 Td +(ations, )Tj +3.48 0 Td +(I )Tj +0.923 0 Td +(factored )Tj +4.146 0 Td +(out )Tj +2.035 0 Td +(the )Tj +1.979 0 Td +(periodic )Tj +-38.643 -1.44 Td +(execution into a dedicated class \(see Listing 35\) and made the period\222\ )Tj +/C2_0 1 Tf +29.866 0 Td +<004B00010044003D0046003F004C00400001003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +7.158 0 Td +(able.)Tj +/TT1 1 Tf +-35.224 -2.12 Td +(@Singleton)Tj +ET + +endstream +endobj +179 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 180 0 R>>endobj +180 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(74)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 630.7999 Tm +(@Startup)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 609.5999 Tm +(public class HitsFlushTimer {)Tj +0 -4.24 TD +( @Inject)Tj +0 -2.12 TD +( private int hitsFlushRate;)Tj +0 -4.24 TD +( @EJB)Tj +0 -2.12 TD +( Hits hits;)Tj +0 -4.24 TD +( @Resource)Tj +0 -2.12 TD +( TimerService timerService;)Tj +0 -4.24 TD +( @PostConstruct)Tj +0 -2.12 TD +( )Tj +/TT2 1 Tf +(public void initializeTimer\(\) {)Tj +0 -2.12 TD +( ScheduleExpression expression = new ScheduleExpression\(\);)Tj +0 -2.12 TD +( expression.minute\("*/" + this.hitsFlushRate\).hour\("*"\);)Tj +T* +( TimerConfig timerConfig = new TimerConfig\(\);)Tj +T* +( timerConfig.setPersistent\(false\);)Tj +T* +( timerService.createCalendarTimer\(expression, timerConfig\);)Tj +T* +( })Tj +/TT1 1 Tf +0 -4.24 TD +( @Timeout)Tj +0 -2.12 TD +( public void initiateFlush\(\) {)Tj +0 -2.12 TD +( this.hits.persistHitsCache\(\);)Tj +T* +( })Tj +T* +(})Tj +/C2_0 1 Tf +-1.8 -1.2 Td +<00280041004B004C00410046003F00010010001200170001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +8.437 0 Td +(able Sc)Tj +3.094 0 Td +(heduler)Tj +ET + +endstream +endobj +181 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 182 0 R>>endobj +182 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(75)Tj +0 Tc 0 Tw -18.632 57.06 Td +(On )Tj +1.702 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.646 0 Td +(\223timeout,)Tj +3.946 0 Td +(\224 )Tj +0.757 0 Td +(the )Tj +1.647 0 Td +(cac)Tj +1.482 0 Td +(he, )Tj +1.647 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.869 0 Td +(is )Tj +0.98 0 Td +(implemented )Tj +5.981 0 Td +(as )Tj +1.202 0 Td +(a )Tj +/TT1 1 Tf +0.813 0 Td +(ConcurrentHashMap)Tj +/TT0 1 Tf +(, )Tj +10.793 0 Td +(is )Tj +0.98 0 Td +(passed )Tj +-39.31 -1.44 Td +(to )Tj +1.242 0 Td +(the )Tj +/TT1 1 Tf +1.742 0 Td +(PersistentHitStore)Tj +/TT0 1 Tf +( )Tj +11.209 0 Td +(control. )Tj +3.743 0 Td +(Because )Tj +3.964 0 Td +(hits )Tj +1.909 0 Td +(and )Tj +2.02 0 Td +(referrers )Tj +3.907 0 Td +(are )Tj +1.741 0 Td +(processed )Tj +4.687 0 Td +(in )Tj +1.242 0 Td +(exactly )Tj +3.464 0 Td +(the )Tj +-40.866 -1.44 Td +(same )Tj +2.643 0 Td +(w)Tj +0.76 0 Td +(a)Tj +0.47 0 Td +(y)Tj +0.408 0 Td +(, )Tj +0.699 0 Td +(the )Tj +1.755 0 Td +(common )Tj +4.255 0 Td +(logic )Tj +2.533 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.31 0 Td +(factored )Tj +3.922 0 Td +(out )Tj +1.811 0 Td +(into )Tj +2.089 0 Td +(an )Tj +1.477 0 Td +(abstr)Tj +2.044 0 Td +(act )Tj +/TT1 1 Tf +1.699 0 Td +(PersistentStore)Tj +/TT0 1 Tf +( )Tj +9.422 0 Td +(class )Tj +2.477 0 Td +(\(see)Tj +( )Tj +-40.533 -1.44 Td +(Listing 36\):)Tj +/TT1 1 Tf +0 -1.79 TD +(public abstract class PersistentStore {)Tj +0 -3.58 TD +( public void store\(Map cache\){)Tj +0 -1.79 TD +( Set> entrySet = cache.entrySet\(\);)Tj +T* +( for \(Entry entry : entrySet\) {)Tj +T* +( String id = entry.getKey\(\);)Tj +T* +( AtomicLong hitCount = entry.getValue\(\);)Tj +0 -1.79 TD +( updateStatistics\(id,hitCount\);)Tj +0 -1.79 TD +( })Tj +T* +( })Tj +T* +( abstract void updateStatistics\(String id, AtomicLong hitCount\);)Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 36: )Tj +4.651 0 Td +(T)Tj +0.456 0 Td +(emplate P)Tj +4.187 0 Td +(attern for Reuse of Iter)Tj +9.491 0 Td +(ation Logic)Tj +/TT1 1 Tf +-16.985 -2.24 Td +(PersistentStore)Tj +/TT0 1 Tf +( is an implementation of the Gang of F)Tj +25.519 0 Td +(our\222)Tj +1.631 0 Td +(s )Tj +0.593 0 Td +(T)Tj +0.456 0 Td +(emplate pattern )Tj +-29.999 -1.44 Td +(\()Tj +(http://en.wikipedia.org/wiki/T)Tj +12.851 0 Td +(emplate_pattern)Tj +(\). )Tj +7.853 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.481 0 Td +(interesting )Tj +4.871 0 Td +(information )Tj +5.427 0 Td +(is )Tj +1.092 0 Td +(extr)Tj +1.599 0 Td +(acted )Tj +2.759 0 Td +(from )Tj +2.425 0 Td +(the )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(Map)Tj +/TT0 1 Tf +( )Tj +2.102 0 Td +(and )Tj +1.914 0 Td +(an )Tj +1.358 0 Td +(abstr)Tj +2.044 0 Td +(act )Tj +1.58 0 Td +(method )Tj +/TT1 1 Tf +3.581 0 Td +(updateStatistics)Tj +/TT0 1 Tf +( )Tj +9.903 0 Td +(is )Tj +0.969 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked )Tj +2.414 0 Td +(with )Tj +2.192 0 Td +(the )Tj +1.636 0 Td +(extr)Tj +1.599 0 Td +(acted )Tj +2.636 0 Td +(information )Tj +5.304 0 Td +(\(see )Tj +-40.533 -1.44 Td +(Listing 37\):)Tj +/TT1 1 Tf +0 -1.79 TD +(@Stateless)Tj +T* +(@Interceptors\(PerformanceAuditor.class\))Tj +T* +(public class PersistentHitStore )Tj +/TT2 1 Tf +(extends PersistentStore)Tj +/TT1 1 Tf +({)Tj +0 -3.58 TD +( @PersistenceContext\(unitName="hitscounter"\))Tj +0 -1.79 TD +( EntityManager em;)Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public void updateStatistics\(String id, AtomicLong hitCount\) {)Tj +0 -1.79 TD +( Hit hit = getManaged\(id\);)Tj +T* +( hit.setCount\(hitCount.get\(\)\);)Tj +ET + +endstream +endobj +183 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 185 0 R>>endobj +184 0 obj<>endobj +185 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(76)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( })Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 598.2999 Tm +( public Hit getManaged\(String id\){)Tj +0 -1.79 TD +( Hit found = em.find\(Hit.class, id\);)Tj +T* +( if\(found == null\){)Tj +T* +( found = new Hit\(id,0\);)Tj +T* +( found = em.merge\(found\);)Tj +T* +( })Tj +T* +( return found;)Tj +T* +( })Tj +3.6 -1.79 Td +(//...)Tj +-3.6 -1.79 Td +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 37: P)Tj +5.236 0 Td +(ersisting the )Tj +5.317 0 Td +(T)Tj +0.482 0 Td +(r)Tj +0.321 0 Td +(ansient Cac)Tj +4.984 0 Td +(he with JP)Tj +4.281 0 Td +(A)Tj +-18.821 -2.24 Td +(T)Tj +0.513 0 Td +(h)Tj +0.558 0 Td +(e )Tj +1.279 0 Td +(c)Tj +0.502 0 Td +(l)Tj +0.28 0 Td +(a)Tj +0.502 0 Td +(s)Tj +0.391 0 Td +(s )Tj +/TT1 1 Tf +1.168 0 Td +(P)Tj +0.603 0 Td +(e)Tj +0.603 0 Td +(r)Tj +0.603 0 Td +(s)Tj +0.603 0 Td +(i)Tj +0.603 0 Td +(s)Tj +0.603 0 Td +(t)Tj +0.603 0 Td +(e)Tj +0.603 0 Td +(n)Tj +0.603 0 Td +(t)Tj +0.603 0 Td +(H)Tj +0.603 0 Td +(i)Tj +0.603 0 Td +(t)Tj +0.603 0 Td +(S)Tj +0.603 0 Td +(t)Tj +0.603 0 Td +(o)Tj +0.603 0 Td +(r)Tj +0.603 0 Td +(e)Tj +/TT0 1 Tf +( )Tj +1.379 0 Td +(f)Tj +0.28 0 Td +(r)Tj +0.335 0 Td +(o)Tj +0.558 0 Td +(m )Tj +1.612 0 Td +(L)Tj +0.502 0 Td +(i)Tj +0.28 0 Td +(s)Tj +0.391 0 Td +(t)Tj +0.28 0 Td +(i)Tj +0.28 0 Td +(n)Tj +0.558 0 Td +(g )Tj +1.279 0 Td +(3)Tj +0.558 0 Td +(7 )Tj +1.335 0 Td +(i)Tj +0.28 0 Td +(m)Tj +0.835 0 Td +(p)Tj +0.558 0 Td +(l)Tj +0.28 0 Td +(e)Tj +0.502 0 Td +(m)Tj +0.835 0 Td +(e)Tj +0.502 0 Td +(n)Tj +0.558 0 Td +(t)Tj +0.28 0 Td +(s )Tj +1.168 0 Td +(t)Tj +0.28 0 Td +(h)Tj +0.558 0 Td +(e )Tj +1.279 0 Td +(a)Tj +0.502 0 Td +(b)Tj +0.558 0 Td +(s)Tj +0.391 0 Td +(t)Tj +0.28 0 Td +(r)Tj +0.323 0 Td +(a)Tj +0.502 0 Td +(c)Tj +0.502 0 Td +(t )Tj +1.057 0 Td +(m)Tj +0.835 0 Td +(e)Tj +0.502 0 Td +(t)Tj +0.28 0 Td +(h)Tj +0.558 0 Td +(o)Tj +0.558 0 Td +(d )Tj +/TT1 1 Tf +-41.644 -1.44 Td +(updateStatistics)Tj +/TT0 1 Tf +( )Tj +9.94 0 Td +(and )Tj +1.95 0 Td +(is )Tj +1.005 0 Td +(responsible )Tj +5.229 0 Td +(for )Tj +1.505 0 Td +(storing )Tj +3.228 0 Td +(the )Tj +/TT1 1 Tf +1.672 0 Td +(Hit)Tj +/TT0 1 Tf +( )Tj +2.139 0 Td +(entity )Tj +2.728 0 Td +(in )Tj +1.172 0 Td +(a )Tj +0.838 0 Td +(relational )Tj +4.395 0 Td +(database )Tj +4.117 0 Td +(using )Tj +-39.921 -1.44 Td +(JP)Tj +0.779 0 Td +(A. )Tj +1.217 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.402 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erridden )Tj +3.958 0 Td +(method )Tj +/TT1 1 Tf +3.625 0 Td +(updateStatistics)Tj +/TT0 1 Tf +( )Tj +9.948 0 Td +(fetc)Tj +1.538 0 Td +(hes )Tj +1.791 0 Td +(a )Tj +0.846 0 Td +(managed )Tj +/TT1 1 Tf +4.291 0 Td +(Hit)Tj +/TT0 1 Tf +( )Tj +2.146 0 Td +(entity )Tj +2.736 0 Td +(and )Tj +1.958 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erwrites )Tj +-38.811 -1.44 Td +(its )Tj +1.406 0 Td +(hit )Tj +1.573 0 Td +(count. )Tj +3.185 0 Td +(Because )Tj +/TT1 1 Tf +4.017 0 Td +(updateStatistics)Tj +/TT0 1 Tf +( )Tj +10.062 0 Td +(is )Tj +1.128 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.961 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked )Tj +2.573 0 Td +(in )Tj +1.295 0 Td +(a )Tj +0.961 0 Td +(tr)Tj +0.599 0 Td +(ansaction )Tj +4.574 0 Td +(started )Tj +3.295 0 Td +(in )Tj +1.295 0 Td +(the )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(Hits)Tj +/TT0 1 Tf +( )Tj +2.834 0 Td +(boundary)Tj +4.021 0 Td +(, )Tj +0.711 0 Td +(all )Tj +1.489 0 Td +(c)Tj +0.482 0 Td +(hanged )Tj +3.601 0 Td +(entities )Tj +3.49 0 Td +(will )Tj +2.045 0 Td +(be )Tj +1.489 0 Td +(tr)Tj +0.599 0 Td +(ansparently )Tj +5.379 0 Td +(updated )Tj +3.935 0 Td +(at )Tj +1.211 0 Td +(commit )Tj +3.711 0 Td +(time. )Tj +2.6 0 Td +(No )Tj +1.767 0 Td +(further )Tj +/TT1 1 Tf +-39.366 -1.44 Td +(EntityManager#merge)Tj +/TT0 1 Tf +( in)Tj +12.502 0 Td +(v)Tj +0.482 0 Td +(ocations are required to update alread)Tj +16.371 0 Td +(y managed entities.)Tj +-27.555 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.354 0 Td +(method )Tj +/TT1 1 Tf +3.577 0 Td +(getManaged)Tj +/TT0 1 Tf +( )Tj +6.299 0 Td +(tries )Tj +2.076 0 Td +(to )Tj +1.132 0 Td +(fetc)Tj +1.538 0 Td +(h )Tj +0.854 0 Td +(the )Tj +/TT1 1 Tf +1.632 0 Td +(Hit)Tj +/TT0 1 Tf +( )Tj +2.098 0 Td +(entity )Tj +2.688 0 Td +(with )Tj +2.188 0 Td +(a )Tj +0.798 0 Td +(URI )Tj +1.965 0 Td +(\(the )Tj +1.91 0 Td +(primary )Tj +3.631 0 Td +(key\). )Tj +2.354 0 Td +(Either )Tj +2.743 0 Td +(an )Tj +-41.144 -1.44 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.999 0 Td +(existing )Tj +3.778 0 Td +(entity )Tj +2.889 0 Td +(will )Tj +2.111 0 Td +(be )Tj +1.555 0 Td +(returned )Tj +4.111 0 Td +(or )Tj +1.388 0 Td +(a )Tj +0.999 0 Td +(new )Tj +2.333 0 Td +(entity )Tj +2.889 0 Td +(will )Tj +2.111 0 Td +(be )Tj +1.555 0 Td +(created )Tj +3.666 0 Td +(and )Tj +2.111 0 Td +(merged )Tj +3.721 0 Td +(\(that )Tj +2.389 0 Td +(is, )Tj +-41.255 -1.44 Td +(attac)Tj +2.038 0 Td +(hed\). )Tj +2.759 0 Td +(It )Tj +1.147 0 Td +(is )Tj +1.258 0 Td +(important )Tj +4.759 0 Td +(to )Tj +1.425 0 Td +(note )Tj +2.481 0 Td +(that )Tj +2.203 0 Td +(the )Tj +/TT1 1 Tf +1.925 0 Td +(javax.persistence.EntityManager#merge)Tj +/TT0 1 Tf +( )Tj +-19.996 -1.44 Td +(method )Tj +3.601 0 Td +(returns )Tj +3.267 0 Td +(an )Tj +1.378 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.822 0 Td +(attac)Tj +2.038 0 Td +(hed )Tj +1.934 0 Td +(instance, )Tj +4.157 0 Td +(but )Tj +1.712 0 Td +(the )Tj +1.656 0 Td +(par)Tj +1.377 0 Td +(ameter )Tj +3.266 0 Td +(itself )Tj +2.323 0 Td +(becomes )Tj +4.156 0 Td +(not )Tj +1.712 0 Td +(managed )Tj +4.267 0 Td +(after )Tj +-40.311 -1.44 Td +(the in)Tj +2.434 0 Td +(v)Tj +0.482 0 Td +(ocation.)Tj +/TT2 1 Tf +12 0 0 12 57 207.6 Tm +(When @Async)Tj +6.234 0 Td +(hronous Becomes Dangerous)Tj +/TT0 1 Tf +10 0 0 10 75 185.2 Tm +(T)Tj +0.511 0 Td +(he )Tj +1.448 0 Td +(method )Tj +/TT1 1 Tf +3.671 0 Td +(store)Tj +/TT0 1 Tf +( )Tj +3.392 0 Td +(\(see )Tj +2.059 0 Td +(Listing )Tj +3.171 0 Td +(36\) )Tj +1.782 0 Td +(is )Tj +/TT1 1 Tf +1.059 0 Td +(void)Tj +/TT0 1 Tf +( )Tj +2.792 0 Td +(and )Tj +2.004 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.338 0 Td +(be )Tj +1.448 0 Td +(a )Tj +0.892 0 Td +(perfect )Tj +3.337 0 Td +(candidate )Tj +4.616 0 Td +(for )Tj +1.559 0 Td +(the )Tj +/C2_0 1 Tf +1.726 0 Td +<005A005D>Tj +/TT0 1 Tf +(re )Tj +-40.367 -1.44 Td +(and )Tj +2.251 0 Td +(forget\224 )Tj +3.528 0 Td +(communication )Tj +7.419 0 Td +(style. )Tj +2.825 0 Td +(Although )Tj +4.586 0 Td +(the )Tj +1.973 0 Td +(method )Tj +/TT1 1 Tf +3.918 0 Td +(store)Tj +/TT0 1 Tf +( )Tj +3.64 0 Td +(is )Tj +1.306 0 Td +(a )Tj +1.139 0 Td +(perfect )Tj +3.584 0 Td +(candidate )Tj +4.863 0 Td +(for )Tj +-41.033 -1.44 Td +(bac)Tj +1.538 0 Td +(kground )Tj +4.235 0 Td +(processing, )Tj +5.513 0 Td +(I )Tj +0.956 0 Td +(did )Tj +2.068 0 Td +(not )Tj +2.068 0 Td +(annotate )Tj +4.402 0 Td +(it )Tj +1.234 0 Td +(with )Tj +/TT1 1 Tf +2.568 0 Td +(@Asynchronous)Tj +/TT0 1 Tf +(. )Tj +8.683 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.734 0 Td +(reason )Tj +3.512 0 Td +(for )Tj +1.845 0 Td +(the )Tj +-40.866 -1.44 Td +(sync)Tj +1.927 0 Td +(hronous in)Tj +4.602 0 Td +(v)Tj +0.482 0 Td +(ocation is the indirect execution b)Tj +14.656 0 Td +(y a timer \()Tj +/TT1 1 Tf +(@Schedule)Tj +/TT0 1 Tf +(\): )Tj +/TT1 1 Tf +-21.667 -1.79 Td +( @Schedule\(minute = "*/5", hour = "*", persistent = false\))Tj +0 -1.79 TD +( public void persistHitsCache\(\) {)Tj +T* +( hitStore.store\(hitStatistics\);)Tj +ET + +endstream +endobj +186 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 187 0 R>>endobj +187 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(77)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( })Tj +ET +Q +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 75 611.7 Tm +(A )Tj +1.361 0 Td +(sync)Tj +1.927 0 Td +(hronous )Tj +/TT1 1 Tf +4.196 0 Td +(store)Tj +/TT0 1 Tf +( )Tj +3.694 0 Td +(method )Tj +3.973 0 Td +(bloc)Tj +1.872 0 Td +(ks )Tj +1.583 0 Td +(the )Tj +2.028 0 Td +(timer )Tj +2.916 0 Td +(and )Tj +2.306 0 Td +(dela)Tj +1.804 0 Td +(ys )Tj +1.583 0 Td +(its )Tj +1.639 0 Td +(next )Tj +2.528 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocation. )Tj +4.122 0 Td +(T)Tj +0.511 0 Td +(he )Tj +-41.144 -1.44 Td +(sync)Tj +1.927 0 Td +(hronous )Tj +4.04 0 Td +(execution )Tj +4.762 0 Td +(prev)Tj +1.877 0 Td +(ents )Tj +2.261 0 Td +(launc)Tj +2.372 0 Td +(hing )Tj +2.428 0 Td +(the )Tj +/TT1 1 Tf +1.872 0 Td +(persistHitsCache)Tj +/TT0 1 Tf +( )Tj +10.139 0 Td +(method )Tj +3.817 0 Td +(async)Tj +2.427 0 Td +(hronously )Tj +-37.92 -1.44 Td +(and )Tj +2.195 0 Td +(concurrently )Tj +6.029 0 Td +(b)Tj +0.538 0 Td +(y )Tj +1.083 0 Td +(timers. )Tj +3.472 0 Td +(Prev)Tj +1.877 0 Td +(enting )Tj +3.251 0 Td +(uncontrolled )Tj +6.086 0 Td +(gro)Tj +1.377 0 Td +(wth )Tj +2.195 0 Td +(of )Tj +1.417 0 Td +(async)Tj +2.427 0 Td +(hronous )Tj +4.085 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocations )Tj +4.196 0 Td +(is )Tj +-41.533 -1.44 Td +(crucial )Tj +3.239 0 Td +(for )Tj +1.461 0 Td +(the )Tj +1.628 0 Td +(stability )Tj +3.629 0 Td +(of )Tj +1.128 0 Td +(the )Tj +1.628 0 Td +(system. )Tj +3.461 0 Td +(Ev)Tj +0.988 0 Td +(ery )Tj +1.627 0 Td +(async)Tj +2.427 0 Td +(hronous )Tj +3.796 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocation )Tj +3.518 0 Td +(requires )Tj +3.739 0 Td +(a )Tj +0.794 0 Td +(free )Tj +1.905 0 Td +(thread, )Tj +3.295 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +-41.644 -1.44 Td +(in )Tj +1.189 0 Td +(turn )Tj +2.078 0 Td +(binds )Tj +2.69 0 Td +(memory)Tj +3.463 0 Td +(. )Tj +0.633 0 Td +(Uncontrolled )Tj +6.08 0 Td +(thread )Tj +3.078 0 Td +(creation )Tj +3.856 0 Td +(causes )Tj +/TT1 1 Tf +3.189 0 Td +(OutOfMemoryError)Tj +/TT0 1 Tf +(, )Tj +10.234 0 Td +(so )Tj +1.3 0 Td +(the )Tj +1.689 0 Td +(thread )Tj +-39.477 -1.44 Td +(pool responsible for handling )Tj +/TT1 1 Tf +(@Asynchronous)Tj +/TT0 1 Tf +( methods w)Tj +25.687 0 Td +(ould ha)Tj +3.25 0 Td +(v)Tj +0.488 0 Td +(e been bounded an)Tj +8.32 0 Td +(yw)Tj +1.26 0 Td +(a)Tj +0.47 0 Td +(y)Tj +0.408 0 Td +(.)Tj +-38.083 -2.24 Td +(Ov)Tj +1.321 0 Td +(er)Tj +0.821 0 Td +(abundant )Tj +4.536 0 Td +(threads )Tj +3.59 0 Td +(caused )Tj +3.479 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.978 0 Td +(timer )Tj +2.7 0 Td +(executions )Tj +5.091 0 Td +(of )Tj +1.312 0 Td +(the )Tj +1.812 0 Td +(slo)Tj +1.211 0 Td +(w)Tj +0.704 0 Td +(, )Tj +0.756 0 Td +(but )Tj +1.868 0 Td +(async)Tj +2.427 0 Td +(hronous, )Tj +/TT1 1 Tf +4.258 0 Td +(store)Tj +/TT0 1 Tf +( )Tj +-39.2 -1.44 Td +(method )Tj +3.606 0 Td +(is )Tj +0.994 0 Td +(theoretically )Tj +5.662 0 Td +(a )Tj +0.827 0 Td +(possibility)Tj +4.244 0 Td +(, )Tj +0.605 0 Td +(but )Tj +1.717 0 Td +(this )Tj +1.828 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.273 0 Td +(occur )Tj +2.772 0 Td +(only )Tj +2.217 0 Td +(if )Tj +0.883 0 Td +(the )Tj +/TT1 1 Tf +1.661 0 Td +(store)Tj +/TT0 1 Tf +( )Tj +3.327 0 Td +(method )Tj +3.606 0 Td +(takes )Tj +2.494 0 Td +(longer )Tj +-39.477 -1.44 Td +(than )Tj +2.436 0 Td +(the )Tj +1.88 0 Td +(sc)Tj +0.871 0 Td +(heduled )Tj +4.048 0 Td +(time. )Tj +2.713 0 Td +(In )Tj +1.38 0 Td +(the )Tj +1.88 0 Td +(current )Tj +3.602 0 Td +(setup)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.075 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +1.046 0 Td +(persists )Tj +3.658 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.879 0 Td +(60 )Tj +1.658 0 Td +(seconds. )Tj +4.196 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.602 0 Td +(slo)Tj +1.211 0 Td +(west)Tj +( )Tj +-40.255 -1.44 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocation ev)Tj +4.49 0 Td +(er of the method )Tj +/TT1 1 Tf +(store)Tj +/TT0 1 Tf +( took 600 ms and the a)Tj +20.256 0 Td +(v)Tj +0.488 0 Td +(er)Tj +0.821 0 Td +(age is about 10 ms.)Tj +/TT3 1 Tf +12 0 0 12 57 437.7 Tm +(Who Reads Logs\227Or Ho)Tj +10.991 0 Td +(w to Monitor )Tj +5.966 0 Td +(Y)Tj +0.482 0 Td +(our )Tj +1.742 0 Td +(Application)Tj +/TT0 1 Tf +10 0 0 10 75 415.3 Tm +(Logging )Tj +3.799 0 Td +(is )Tj +1.076 0 Td +(ubiquitous. )Tj +5.209 0 Td +(W)Tj +0.963 0 Td +(e )Tj +0.909 0 Td +(don\222)Tj +1.909 0 Td +(t )Tj +0.687 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.465 0 Td +(question )Tj +4.078 0 Td +(w)Tj +0.76 0 Td +(hether )Tj +3.132 0 Td +(to )Tj +1.243 0 Td +(write )Tj +2.576 0 Td +(logs )Tj +2.132 0 Td +(an)Tj +1.038 0 Td +(ymore; )Tj +3.409 0 Td +(instead, )Tj +3.744 0 Td +(we )Tj +-40.922 -1.44 Td +(d)Tj +0.612 0 Td +(e)Tj +0.556 0 Td +(b)Tj +0.612 0 Td +(a)Tj +0.556 0 Td +(t)Tj +0.334 0 Td +(e )Tj +1.306 0 Td +(h)Tj +0.612 0 Td +(o)Tj +0.6 0 Td +(w )Tj +1.584 0 Td +(t)Tj +0.334 0 Td +(o )Tj +1.362 0 Td +(w)Tj +0.834 0 Td +(r)Tj +0.389 0 Td +(i)Tj +0.334 0 Td +(t)Tj +0.334 0 Td +(e )Tj 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+(oked remotely)Tj +6.076 0 Td +(.)Tj +-19.129 -2.24 Td +(In the context of x-r)Tj +8.436 0 Td +(a)Tj +0.47 0 Td +(y)Tj +0.408 0 Td +(, particularly interesting are the top w)Tj +16.105 0 Td +(orst-performing methods. )Tj +/TT2 1 Tf +-27.219 -1.79 Td +(public interface MonitoringResource)Tj +/TT3 1 Tf +(MXBean)Tj +/TT2 1 Tf +( {)Tj +0 -1.79 TD +( List getSlowestMethods\(\);)Tj +0 -1.79 TD +( Map getDiagnostics\(\);)Tj +0 -1.79 TD +( String getNumberOfExceptions\(\);)Tj +T* +( void clear\(\);)Tj +0 -1.79 TD +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 39: MXBean Needed for Exposure to JConsole)Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.377 0 Td +(slo)Tj +1.211 0 Td +(west )Tj +2.266 0 Td +(methods )Tj +3.989 0 Td +(are )Tj +1.654 0 Td +(exposed )Tj +3.878 0 Td +(with )Tj +2.211 0 Td +(the )Tj +/TT2 1 Tf +1.655 0 Td +(List )Tj +10.245 0 Td +(getSlowestMethods\(\))Tj +/TT0 1 Tf +( )Tj +-30.798 -1.44 Td +(method. )Tj +3.761 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT2 1 Tf +(Invocation)Tj +/TT0 1 Tf +( class is a typical J)Tj +15.104 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(aBean with read-only properties \(Listing 40\).)Tj +/TT2 1 Tf +-18.522 -2.12 Td +(@XmlRootElement)Tj +-1.8 -1.79 Td +(@XmlAccessorType\(XmlAccessType.FIELD\))Tj +0 -1.79 TD +(public class Invocation implements Comparable{)Tj +0 -1.79 TD +( @XmlAttribute)Tj +0 -1.79 TD +( private String methodName;)Tj +T* +( @XmlAttribute)Tj +0 -1.79 TD +( private Long invocationPerformance;)Tj +0 -3.58 TD +( public Invocation\(String methodName, long invocationPerformance\) {\ )Tj +0 -1.79 TD +( this.methodName = methodName;)Tj +T* +( this.invocationPerformance = invocationPerformance;)Tj +0 -1.79 TD +( })Tj +ET +q +52 72 432 569 re +W n +BT +/TT2 1 Tf +10 0 0 10 57 78.4 Tm +( public Invocation\(\) { /* JAXB...*/})Tj +ET +Q + +endstream +endobj +192 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 193 0 R>>endobj +193 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(80)Tj +/TT1 1 Tf +0 Tc 0 Tw -20.432 55.72 Td +( public String getMethodName\(\) {)Tj +0 -1.79 TD +( return methodName;)Tj +0 -1.79 TD +( })Tj +T* +( public long getInvocationPerformance\(\) {)Tj +T* +( return invocationPerformance;)Tj +T* +( })Tj +T* +( public boolean isSlowerThan\(Invocation invocation\){)Tj +T* +( return this.compareTo\(invocation\) > 0;)Tj +T* +( })Tj +T* +( @Override)Tj +0 -1.79 TD +( public int compareTo\(Invocation anotherInvocation\){)Tj +0 -1.79 TD +( return this.invocationPerformance.compareTo)Tj +0 -0.99 TD +(\(anotherInvocation.invocationPerformance\);)Tj +0 -1.79 TD +( })Tj +T* +(//\205equals, hashCode and toString are not included)Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 40: J)Tj +4.991 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(aBean Exposed via JMX)Tj +-4.137 -2.24 Td +(Only )Tj +2.63 0 Td +(the )Tj +1.797 0 Td +(getters )Tj +3.241 0 Td +(are )Tj +1.796 0 Td +(crucial )Tj +3.408 0 Td +(for )Tj +1.63 0 Td +(the )Tj +1.797 0 Td 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String.valueOf\(exceptionCount.get\(\)\);)Tj +0 -1.79 TD +( })Tj +0 -5.37 TD +( @Override)Tj +0 -1.79 TD +( public Map getDiagnostics\(\) {)Tj +0 -1.79 TD +( return diagnostics;)Tj +0 -1.79 TD +( })Tj +ET + +endstream +endobj +197 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 198 0 R>>endobj +198 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(82)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( @Override)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( @DELETE)Tj +0 -1.79 TD +( public void clear\(\){)Tj +T* +( methods.clear\(\);)Tj +T* +( })Tj +T* +( @PreDestroy)Tj +0 -1.79 TD +( public void unregisterFromJMX\(\){)Tj +0 -1.79 TD +( try{)Tj +0 -1.79 TD +( platformMBeanServer.unregisterMBean\(this.objectName\);)Tj +0 -1.79 TD +( }catch \(Exception e\){)Tj +0 -1.79 TD +( throw new IllegalStateException\("Problem during )Tj +0 -0.99 TD +(unregistration of Monitoring 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+(ation )Tj +2.656 0 Td +(with )Tj +2.378 0 Td +(stateless )Tj +3.989 0 Td +(session )Tj +3.545 0 Td +(beans )Tj +2.989 0 Td +(without )Tj +3.768 0 Td +(violating )Tj +4.212 0 Td +(the )Tj +/C2_0 1 Tf +1.822 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(cation )Tj +5.935 0 Td +(and )Tj +-40.588 -1.44 Td +(progr)Tj +2.266 0 Td +(amming )Tj +3.809 0 Td +(restrictions, )Tj +5.255 0 Td +(in )Tj +1.143 0 Td +(particular)Tj +4.038 0 Td +(. )Tj +0.587 0 Td +(Upon )Tj +2.755 0 Td +(increasing )Tj +4.699 0 Td +(load, )Tj +2.477 0 Td +(the )Tj +1.643 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +1.142 0 Td +(creates )Tj +3.309 0 Td +(multiple )Tj +3.866 0 Td +(stateless )Tj +-38.699 -1.44 Td +(session )Tj +3.498 0 Td +(bean )Tj +2.553 0 Td +(instances. )Tj +4.591 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.497 0 Td +(@PostConstruct)Tj +/TT0 1 Tf +( )Tj +8.842 0 Td +(method )Tj +3.72 0 Td +(is )Tj +1.108 0 Td +(executed )Tj +4.331 0 Td +(once )Tj +2.553 0 Td +(per )Tj +1.83 0 Td +(created )Tj +3.608 0 Td +(instance )Tj +-38.643 -1.44 Td +(and the MXBean w)Tj +8.213 0 Td +(ould be registered multiple times.)Tj +-6.413 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.377 0 Td +(MonitoringResource)Tj +/TT0 1 Tf +( )Tj +11.123 0 Td +(bean )Tj +2.433 0 Td +(\(Listing )Tj +3.378 0 Td +(41\) )Tj +1.711 0 Td +(registers )Tj +3.821 0 Td +(itself )Tj +2.322 0 Td +(in )Tj +1.155 0 Td +(the )Tj +/TT1 1 Tf +1.655 0 Td +(MBeanServer)Tj +/TT0 1 Tf +( )Tj +6.922 0 Td +(at )Tj +1.099 0 Td +(startup)Tj +( )Tj +-39.31 -1.44 Td +(\()Tj +0.283 0 Td +(m)Tj +0.838 0 Td +(e)Tj +0.505 0 Td +(t)Tj +0.283 0 Td +(h)Tj +0.561 0 Td +(o)Tj +0.561 0 Td +(d )Tj +/TT1 1 Tf +1.336 0 Td +(r)Tj +0.605 0 Td +(e)Tj +0.605 0 Td +(g)Tj +0.605 0 Td +(i)Tj +0.605 0 Td +(s)Tj +0.605 0 Td +(t)Tj +0.605 0 Td +(e)Tj +0.605 0 Td +(r)Tj +0.605 0 Td +(I)Tj +0.605 0 Td +(n)Tj +0.605 0 Td +(J)Tj +0.605 0 Td +(M)Tj +0.605 0 Td +(X )Tj +/TT0 1 Tf +1.703 0 Td +(i)Tj +0.283 0 Td +(n )Tj +1.336 0 Td +(L)Tj +0.505 0 Td +(i)Tj +0.283 0 Td 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+(MonitoringResource)Tj +/TT0 1 Tf +( )Tj +11.224 0 Td +(is )Tj +1.089 0 Td +(an )Tj +1.478 0 Td +(acti)Tj +1.538 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.922 0 Td +(resour)Tj +2.655 0 Td +(ce, )Tj +1.7 0 Td +(and )Tj +2.034 0 Td +(it )Tj +0.978 0 Td +(doesn\222)Tj +2.798 0 Td +(t )Tj +0.7 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.922 0 Td +(to )Tj +1.256 0 Td +(be )Tj +-41.144 -1.44 Td +(managed )Tj +4.251 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.806 0 Td +(other )Tj +2.529 0 Td +(components. )Tj +5.79 0 Td +(T)Tj +0.456 0 Td +(o )Tj +0.862 0 Td +(the )Tj +1.64 0 Td +(contr)Tj +2.211 0 Td +(ary)Tj +1.241 0 Td +(, )Tj +0.584 0 Td +(it )Tj +0.862 0 Td +(can )Tj +1.862 0 Td +(be )Tj +1.362 0 Td +(easily )Tj +2.751 0 Td +(injected )Tj +3.752 0 Td +(to )Tj +1.14 0 Td +(other )Tj +2.529 0 Td +(components, )Tj +5.864 0 Td +(for )Tj +-41.033 -1.44 Td +(example, inter)Tj +6.156 0 Td +(ceptors. )Tj +/TT1 1 Tf +-4.356 -2.24 Td +(MonitoringResource)Tj +/TT0 1 Tf +( )Tj +11.106 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.193 0 Td +(injected )Tj +3.75 0 Td +(to )Tj +1.138 0 Td +(the )Tj +/TT1 1 Tf +1.638 0 Td +(PerformanceAuditor)Tj +/TT0 1 Tf +( )Tj +11.106 0 Td +(inter)Tj +1.933 0 Td +(ceptor )Tj +3.027 0 Td +(\(see )Tj +1.971 0 Td +(Listing )Tj +-39.421 -1.44 Td +(42\), )Tj +1.963 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.851 0 Td +(forw)Tj +1.927 0 Td +(ards )Tj +2.073 0 Td +(the )Tj +1.629 0 Td +(method )Tj +3.574 0 Td +(name, )Tj +2.962 0 Td +(measured )Tj +4.462 0 Td +(performance, )Tj +6.018 0 Td +(and )Tj +1.907 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.795 0 Td +(exceptions )Tj +4.908 0 Td +(that )Tj +1.907 0 Td +(occurred. )Tj +ET + +endstream +endobj +199 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 200 0 R>>endobj +200 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(83)Tj +0 Tc 0 Tw -20.432 57.06 Td +(So, I completely remo)Tj +9.435 0 Td +(v)Tj +0.488 0 Td +(ed logging statements in fa)Tj +11.419 0 Td +(v)Tj +0.482 0 Td +(or of JMX for performance analytics.)Tj +/TT1 1 Tf +-21.824 -1.79 Td +(public class PerformanceAuditor {)Tj +0 -1.79 TD +( private static final Logger LOG = Logger.getLogger)Tj +0 -0.99 TD +(\(PerformanceAuditor.class.getName\(\)\);)Tj +/TT2 1 Tf +0 -1.79 TD +( @EJB)Tj +T* +( MonitoringResource monitoring;)Tj +/TT1 1 Tf +0 -3.58 TD +( @AroundTimeout)Tj +0 -1.79 TD +( @AroundInvoke)Tj +T* +( public Object measurePerformance\(InvocationContext context\) throws\ )Tj +0 -0.99 TD +(Exception{)Tj +0 -1.79 TD +( String methodName = context.getMethod\(\).toString\(\);)Tj +0 -1.79 TD +( long start = System.currentTimeMillis\(\);)Tj +T* +( try{)Tj +T* +( return context.proceed\(\);)Tj +T* +( }catch\(Exception e\){)Tj +T* +( LOG.log\(Level.SEVERE, "!!!During invocation of: {0} )Tj +0 -0.99 TD +(exception occured: {1}", new Object[]{methodName,e}\);)Tj +0 -1.79 TD +( monitoring.exceptionOccurred\(methodName,e\);)Tj +T* +( throw e;)Tj +T* +( }finally{)Tj +T* +( long duration = System.currentTimeMillis\(\) - start;)Tj +T* +( monitoring.add\(methodName,duration\);)Tj +T* +( })Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 42: F)Tj +5.18 0 Td +(orw)Tj +1.649 0 Td +(arding Data to a JMX Bean)Tj +/TT3 1 Tf +12 0 0 12 57 154.5001 Tm +(Distributing Ev)Tj +6.49 0 Td +(ents )Tj +2.019 0 Td +(W)Tj +0.982 0 Td +(ithout JMS\227Leaner )Tj +8.761 0 Td +(T)Tj +0.511 0 Td +(han an Observ)Tj +6.379 0 Td +(er)Tj +/TT1 1 Tf +10 0 0 10 75 132.1001 Tm +(PerformanceAuditor)Tj +/TT0 1 Tf +( )Tj +11.259 0 Td +(is )Tj +1.125 0 Td +(an )Tj +1.514 0 Td +(inter)Tj +1.933 0 Td +(ceptor )Tj +3.181 0 Td +(and )Tj +2.07 0 Td +(can )Tj +2.014 0 Td +(be )Tj +1.514 0 Td +(applied )Tj +3.682 0 Td +(to )Tj +1.292 0 Td +(EJB )Tj +1.847 0 Td +(beans )Tj +2.959 0 Td +(and )Tj +2.07 0 Td +(managed )Tj +-38.255 -1.44 Td +(beans declar)Tj +5.434 0 Td +(ati)Tj +1.038 0 Td +(v)Tj +0.488 0 Td +(ely:)Tj +/TT1 1 Tf +-6.96 -1.79 Td +(@Startup)Tj +0 -1.79 TD +(@Singleton)Tj +ET + +endstream +endobj +201 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 202 0 R>>endobj +202 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(84)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +(@ConcurrencyManagement\(ConcurrencyManagementType.BEAN\))Tj +ET +Q +BT +/TT2 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +(@Interceptors\(PerformanceAuditor.class\))Tj +/TT1 1 Tf +0 -1.79 TD +(public class Hits {})Tj +/TT0 1 Tf +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.468 0 Td +(inter)Tj +1.933 0 Td +(cepted )Tj +3.302 0 Td +(beans )Tj +2.913 0 Td +(kno)Tj +1.6 0 Td +(w )Tj +1.19 0 Td +(only )Tj +2.302 0 Td +(the )Tj +1.746 0 Td +(inter)Tj +1.933 0 Td +(ceptor)Tj +2.649 0 Td +(, )Tj +0.69 0 Td +(not )Tj +1.802 0 Td +(the )Tj +/TT1 1 Tf +1.746 0 Td +(MonitorResource)Tj +/TT0 1 Tf +(. )Tj +9.617 0 Td +(T)Tj +0.511 0 Td +(here )Tj +2.301 0 Td +(is )Tj +1.079 0 Td +(no )Tj +-41.088 -1.44 Td +(direct )Tj +2.784 0 Td +(coupling )Tj +4.119 0 Td +(between )Tj +4.007 0 Td +(the )Tj +1.673 0 Td +(business )Tj +3.952 0 Td +(logic )Tj +2.451 0 Td +(and )Tj +1.951 0 Td +(the )Tj +1.673 0 Td +(monitoring )Tj +5.063 0 Td +(cross-cutting )Tj +5.785 0 Td +(aspect. )Tj +3.34 0 Td +(P)Tj +0.511 0 Td +(erformance )Tj +-37.311 -1.44 Td +(metrics )Tj +3.492 0 Td +(at )Tj +1.159 0 Td +(the )Tj +1.715 0 Td +(method )Tj +3.66 0 Td +(lev)Tj +1.266 0 Td +(el )Tj +1.159 0 Td +(are )Tj +1.714 0 Td +(useful, )Tj +3.216 0 Td +(but )Tj +1.771 0 Td +(they )Tj +2.215 0 Td +(are )Tj +1.714 0 Td +(not )Tj +/C2_0 1 Tf +1.771 0 Td +<004B004D003E005D>Tj +/TT0 1 Tf +(cient )Tj +4.272 0 Td +(for )Tj +1.548 0 Td +(detailed )Tj +3.827 0 Td +(monitoring. )Tj +5.383 0 Td +(Ev)Tj +0.988 0 Td +(ery )Tj +-40.867 -1.44 Td +(component )Tj +5.621 0 Td +(can )Tj +2.286 0 Td +(produce )Tj +4.287 0 Td +(monitoring )Tj +5.454 0 Td +(data )Tj +2.564 0 Td +(bey)Tj +1.538 0 Td +(ond )Tj +2.398 0 Td +(method )Tj +4.009 0 Td +(performance, )Tj +6.453 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +1.286 0 Td +(might )Tj +3.175 0 Td +(be )Tj +-41.144 -1.44 Td +(interesting )Tj +4.804 0 Td +(for )Tj +1.525 0 Td +(JMX )Tj +2.136 0 Td +(exposure. )Tj +4.526 0 Td +(But )Tj +1.803 0 Td +(ho)Tj +1.1 0 Td +(w )Tj +1.136 0 Td +(can )Tj +1.914 0 Td +(the )Tj +1.692 0 Td +(data )Tj +2.192 0 Td +(be )Tj +1.414 0 Td +(pushed )Tj +3.471 0 Td +(from )Tj +2.358 0 Td +(the )Tj +1.692 0 Td +(business )Tj +3.971 0 Td +(components )Tj +5.638 0 Td +(to )Tj +/TT1 1 Tf +-41.366 -1.44 Td +(MonitoringResource)Tj +/TT0 1 Tf +( )Tj +11.247 0 Td +(without )Tj +3.726 0 Td +(injecting )Tj +4.17 0 Td +(it? )Tj +1.391 0 Td +(Direct )Tj +3.113 0 Td +(coupling )Tj +4.226 0 Td +(between )Tj +4.114 0 Td +(arbitr)Tj +2.266 0 Td +(ary )Tj +1.779 0 Td +(business )Tj +4.059 0 Td +(logic )Tj +-40.088 -1.44 Td +(and )Tj +/TT1 1 Tf +2.124 0 Td +(MonitoringResource)Tj +/TT0 1 Tf +( )Tj +11.314 0 Td +(increases )Tj +4.457 0 Td +(the )Tj +1.846 0 Td +(complexity )Tj +5.291 0 Td +(and )Tj +2.124 0 Td +(decreases )Tj +4.679 0 Td +(testability)Tj +4.021 0 Td +(. )Tj +0.79 0 Td +(Furthermore, )Tj +-36.644 -1.44 Td +(e)Tj +0.552 0 Td +(v)Tj +0.54 0 Td +(e)Tj +0.552 0 Td +(r)Tj +0.385 0 Td +(y )Tj +1.304 0 Td +(E)Tj +0.552 0 Td +(J)Tj +0.33 0 Td +(B )Tj +1.415 0 Td +(b)Tj +0.608 0 Td +(e)Tj +0.552 0 Td +(a)Tj +0.552 0 Td +(n )Tj +1.36 0 Td +(i)Tj +0.33 0 Td +(n)Tj +0.608 0 Td +(t)Tj +0.33 0 Td +(e)Tj +0.552 0 Td +(r)Tj +0.385 0 Td +(e)Tj +0.552 0 Td +(s)Tj +0.441 0 Td +(t)Tj +0.33 0 Td +(e)Tj +0.552 0 Td +(d )Tj +1.36 0 Td +(i)Tj +0.33 0 Td +(n )Tj +1.36 0 Td +(e)Tj +0.552 0 Td +(x)Tj +0.552 0 Td +(p)Tj +0.608 0 Td +(o)Tj +0.608 0 Td +(s)Tj +0.441 0 Td +(i)Tj +0.33 0 Td +(n)Tj +0.608 0 Td +(g )Tj +1.304 0 Td +(m)Tj +0.885 0 Td +(o)Tj +0.608 0 Td +(n)Tj +0.608 0 Td +(i)Tj +0.33 0 Td +(t)Tj +0.33 0 Td +(o)Tj +0.608 0 Td +(r)Tj +0.385 0 Td +(i)Tj +0.33 0 Td +(n)Tj +0.608 0 Td +(g )Tj +1.304 0 Td +(d)Tj +0.608 0 Td +(a)Tj +0.552 0 Td +(t)Tj +0.33 0 Td +(a )Tj +1.304 0 Td +(w)Tj +0.818 0 Td +(o)Tj +0.608 0 Td +(u)Tj +0.608 0 Td +(l)Tj +0.33 0 Td +(d )Tj +1.36 0 Td +(b)Tj +0.608 0 Td +(e )Tj +1.304 0 Td +(d)Tj +0.608 0 Td +(e)Tj +0.552 0 Td +(p)Tj +0.608 0 Td +(e)Tj +0.552 0 Td +(n)Tj +0.608 0 Td +(d)Tj +0.608 0 Td +(e)Tj +0.552 0 Td +(n)Tj +0.608 0 Td +(t )Tj +1.082 0 Td +(o)Tj +0.608 0 Td +(n )Tj +/TT1 1 Tf +-41.644 -1.44 Td +(MonitoringResource)Tj +/TT0 1 Tf +(.)Tj +1.8 -2.24 Td +(Built-in )Tj +3.677 0 Td +(ev)Tj +0.988 0 Td +(ent )Tj +1.843 0 Td +(distribution )Tj +5.401 0 Td +(in )Tj +1.343 0 Td +(the )Tj +1.843 0 Td +(CDI )Tj +/C2_0 1 Tf +2.232 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(cation )Tj +5.956 0 Td +(elegantly )Tj +4.399 0 Td +(solv)Tj +1.711 0 Td +(es )Tj +1.398 0 Td +(this )Tj +2.01 0 Td +(issue. )Tj +2.862 0 Td +(An )Tj +/TT1 1 Tf +1.732 0 Td +(Event)Tj +/TT0 1 Tf +( )Tj +-39.2 -1.44 Td +(instance is injected instead of )Tj +/TT1 1 Tf +(MonitoringResource)Tj +/TT0 1 Tf +(:)Tj +/TT1 1 Tf +T* +( @Inject)Tj +0 -1.79 TD +( Event monitoring;)Tj +/TT0 1 Tf +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.409 0 Td +(class )Tj +/TT1 1 Tf +2.409 0 Td +(Diagnostics)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +6.954 0 Td +<004B00410045004800440041005D>Tj +/TT0 1 Tf +(es )Tj +4.41 0 Td +(the )Tj +1.687 0 Td +(construction )Tj +5.689 0 Td +(of )Tj +/TT1 1 Tf +1.187 0 Td +(java.util.Map)Tj +/TT0 1 Tf +( )Tj +8.155 0 Td +(and )Tj +1.965 0 Td +(represents )Tj +4.687 0 Td +(the )Tj +-40.866 -1.44 Td +(actual message being distributed \(see Listing 43\).)Tj +/TT1 1 Tf +0 -1.79 TD +(public class Diagnostics {)Tj +T* +( private Map parameters = null;)Tj +0 -1.79 TD +( private Diagnostics\(String name,Object value\){)Tj +0 -1.79 TD +( this.parameters = new HashMap\(\);)Tj +0 -1.79 TD +( this.parameters.put\(name, String.valueOf\(value\)\);)Tj +0 -1.79 TD +( })Tj +T* +( public static Diagnostics with\(String name,Object value\){)Tj +0 -1.79 TD +( return new Diagnostics\(name, value\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( public Diagnostics and\(String name,Object value\){)Tj +0 -1.79 TD +( this.parameters.put\(name, String.valueOf\(value\)\);)Tj +0 -1.79 TD +( return this;)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( public Map asMap\(\){)Tj +0 -1.79 TD +( return this.parameters;)Tj +ET + +endstream +endobj +203 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 204 0 R>>endobj +204 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(85)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( })Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 43: Diagnostics: )Tj +10.209 0 Td +(T)Tj +0.511 0 Td +(he CDI Message)Tj +-8.92 -2.24 Td +(Apparently)Tj +4.632 0 Td +(, )Tj +0.71 0 Td +(there )Tj +2.599 0 Td +(are )Tj +1.765 0 Td +(no )Tj +/C2_0 1 Tf +1.544 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(c )Tj +3.711 0 Td +(requirements )Tj +6.044 0 Td +(for )Tj +1.599 0 Td +(a )Tj +0.932 0 Td +(\223CDI )Tj +2.599 0 Td +(message.)Tj +3.834 0 Td +(\224 )Tj +0.876 0 Td +(It )Tj +0.988 0 Td +(can )Tj +1.988 0 Td +(be )Tj +1.488 0 Td +(an )Tj +1.488 0 Td +(arbitr)Tj +2.266 0 Td +(ary )Tj +-40.867 -1.44 Td +(POJO )Tj +2.846 0 Td +(or )Tj +1.234 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.402 0 Td +(a )Tj +0.846 0 Td +(primiti)Tj +2.816 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.846 0 Td +(wr)Tj +1.099 0 Td +(apper )Tj +2.791 0 Td +(type. )Tj +2.421 0 Td +(A )Tj +1.013 0 Td +(CDI )Tj +2.069 0 Td +(message )Tj +3.957 0 Td +(is )Tj +1.013 0 Td +(sent )Tj +2.069 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.846 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oking )Tj +2.736 0 Td +(the )Tj +/TT1 1 Tf +1.68 0 Td +(fire)Tj +/TT0 1 Tf +( )Tj +2.746 0 Td +(method )Tj +3.625 0 Td +(of)Tj +( )Tj +-41.366 -1.44 Td +(the injected )Tj +/TT1 1 Tf +(Event)Tj +/TT0 1 Tf +( instance:)Tj +/TT1 1 Tf +0 -1.79 TD +( void sendMonitoringData\(\){)Tj +T* +( int hitCacheSize = this.hitStatistics.getCacheSize\(\);)Tj +0 -1.79 TD +( int hitDirtyEntriesCount = )Tj +0 -0.99 TD +(this.hitStatistics.getDirtyEntriesCount\(\);)Tj +0 -1.79 TD +( int refererCacheSize = this.refererStatistics.getCacheSize\(\);)Tj +0 -1.79 TD +( int refererDirtyEntriesCount = )Tj +0 -0.99 TD +(this.refererStatistics.getDirtyEntriesCount\(\);)Tj +0 -1.79 TD +( Diagnostics diagnostics = Diagnostics.with)Tj +0 -0.99 TD +(\("hitCacheSize",hitCacheSize\).)Tj +0 -1.79 TD +( and\("hitDirtyEntriesCount",hitDirtyEntriesCount\).)Tj +0 -1.79 TD +( and\(\223refererCacheSize\224,refererCacheSize\).)Tj +0 -1.79 TD +( and\("refererDirtyEntriesCount",refererDirtyEntriesCount\).)Tj +T* +( and\("numberOfRejectedRequests",this.numberOfRejectedRequests\);)Tj +/TT2 1 Tf +0 -1.79 TD +( monitoring.fire\(diagnostics\);)Tj +/TT1 1 Tf +0 -1.79 TD +( })Tj +/TT0 1 Tf +1.8 -4.48 Td +(T)Tj +0.513 0 Td +(h)Tj +0.558 0 Td +(e)Tj +0.502 0 Td +(r)Tj +0.335 0 Td +(e)Tj +0.502 0 Td +(f)Tj +0.28 0 Td +(o)Tj +0.558 0 Td +(r)Tj +0.335 0 Td +(e)Tj +0.502 0 Td +(, )Tj +/TT1 1 Tf +1.057 0 Td +(M)Tj +0.602 0 Td +(o)Tj +0.602 0 Td +(n)Tj +0.602 0 Td +(i)Tj +0.602 0 Td +(t)Tj +0.602 0 Td +(o)Tj +0.602 0 Td +(r)Tj +0.602 0 Td +(i)Tj +0.602 0 Td +(n)Tj +0.602 0 Td +(g)Tj +0.602 0 Td +(R)Tj +0.602 0 Td +(e)Tj +0.602 0 Td +(s)Tj +0.602 0 Td +(o)Tj +0.602 0 Td +(u)Tj +0.602 0 Td +(r)Tj +0.602 0 Td +(c)Tj +0.602 0 Td +(e)Tj +/TT0 1 Tf +( )Tj +1.379 0 Td +(r)Tj +0.335 0 Td +(e)Tj +0.502 0 Td +(c)Tj +0.502 0 Td +(e)Tj +0.502 0 Td +(i)Tj +0.262 0 Td +(v)Tj +0.49 0 Td +(e)Tj +0.502 0 Td +(s )Tj +1.168 0 Td +(t)Tj +0.28 0 Td +(h)Tj +0.558 0 Td +(e )Tj +/TT1 1 Tf +1.279 0 Td +(D)Tj +0.602 0 Td +(i)Tj +0.602 0 Td +(a)Tj +0.602 0 Td +(g)Tj +0.602 0 Td +(n)Tj +0.602 0 Td +(o)Tj +0.602 0 Td +(s)Tj +0.602 0 Td +(t)Tj +0.602 0 Td +(i)Tj +0.602 0 Td +(c)Tj +/TT0 1 Tf +( )Tj +1.379 0 Td +(i)Tj +0.28 0 Td +(n)Tj +0.558 0 Td +(s)Tj +0.391 0 Td +(t)Tj +0.28 0 Td +(a)Tj +0.502 0 Td +(n)Tj +0.558 0 Td +(c)Tj +0.502 0 Td +(e )Tj +1.279 0 Td +(c)Tj +0.502 0 Td +(l)Tj +0.28 0 Td +(a)Tj +0.502 0 Td +(s)Tj +0.391 0 Td +(s )Tj +1.168 0 Td +(w)Tj +0.78 0 Td +(i)Tj +0.28 0 Td +(t)Tj +0.28 0 Td +(h)Tj +0.558 0 Td +(o)Tj +0.558 0 Td +(u)Tj +0.558 0 Td +(t )Tj +-41.922 -1.44 Td +(kno)Tj +1.6 0 Td +(wing its origin:)Tj +/TT1 1 Tf +-1.6 -1.79 Td +(public void onNewDiagnostics\()Tj +/TT2 1 Tf +(@Observes)Tj +/TT1 1 Tf +( Diagnostics diagnostics\){)Tj +T* +( Map map = diagnostics.asMap\(\);)Tj +0 -1.79 TD +( if\(map != null\){)Tj +0 -1.79 TD +( this.diagnostics.putAll\(map\);)Tj +0 -1.79 TD +( })Tj +T* +( })Tj +/TT0 1 Tf +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.509 0 Td +(par)Tj +1.377 0 Td +(ameter )Tj +3.397 0 Td +(type )Tj +2.287 0 Td +(behind )Tj +3.455 0 Td +(the )Tj +1.787 0 Td +(annotation )Tj +/TT1 1 Tf +5.067 0 Td +(@Observes)Tj +/TT0 1 Tf +( )Tj +5.854 0 Td +(has )Tj +1.898 0 Td +(to )Tj +1.287 0 Td +(matc)Tj +2.093 0 Td +(h )Tj +1.009 0 Td +(the )Tj +1.787 0 Td +(type )Tj +2.287 0 Td +(of )Tj +1.287 0 Td +(the )Tj +1.787 0 Td +(sent )Tj +-40.477 -1.44 Td +(ev)Tj +0.988 0 Td +(ent. )Tj +2.122 0 Td +(If )Tj +1.066 0 Td +(the )Tj +1.844 0 Td +(types )Tj +2.733 0 Td +(do )Tj +1.622 0 Td +(not )Tj +1.9 0 Td +(matc)Tj +2.093 0 Td +(h, )Tj +1.344 0 Td +(the )Tj +1.844 0 Td +(message )Tj +4.121 0 Td +(simply )Tj +3.344 0 Td +(disappears. )Tj +5.345 0 Td +(In )Tj +1.344 0 Td +(contr)Tj +2.211 0 Td +(ast )Tj +1.677 0 Td +(to )Tj +1.344 0 Td +(dependenc)Tj +4.756 0 Td +(y )Tj +-41.7 -1.44 Td +(injection, )Tj +4.373 0 Td +(an )Tj +/C2_0 1 Tf +1.371 0 Td +<004D0046004B0039004C0041004B005D>Tj +/TT0 1 Tf +(ed )Tj +4.873 0 Td +(dependenc)Tj +4.756 0 Td +(y )Tj +0.815 0 Td +(between )Tj +3.983 0 Td +(the )Tj +/C2_0 1 Tf +1.649 0 Td +<005D>Tj +/TT0 1 Tf +(red )Tj +2.26 0 Td +(ev)Tj +0.988 0 Td +(ent )Tj +1.649 0 Td +(and )Tj +1.927 0 Td +(the )Tj +1.649 0 Td +(corresponding )Tj +6.484 0 Td +(listener )Tj +3.427 0 Td +(does )Tj +ET + +endstream +endobj +205 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 207 0 R>>endobj +206 0 obj<>endobj +207 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(86)Tj +0 Tc 0 Tw -20.432 57.06 Td +(not cause errors or deplo)Tj +10.714 0 Td +(yment problems.)Tj +-8.914 -2.24 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.632 0 Td +(CDI )Tj +2.243 0 Td +(ev)Tj +0.988 0 Td +(ents, )Tj +2.521 0 Td +(arbitr)Tj +2.266 0 Td +(ary )Tj +1.853 0 Td +(data )Tj +2.354 0 Td +(can )Tj +2.076 0 Td +(be )Tj +1.576 0 Td +(sent )Tj +2.243 0 Td +(between )Tj +4.188 0 Td +(business )Tj +4.133 0 Td +(logic )Tj +2.632 0 Td +(and )Tj +2.132 0 Td +(the )Tj +1.854 0 Td +(monitoring )Tj +-37.476 -1.44 Td +(component. )Tj +5.462 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.423 0 Td +(actual )Tj +2.979 0 Td +(pa)Tj +1.026 0 Td +(yload )Tj +2.757 0 Td +(is )Tj +1.034 0 Td +(a )Tj +/TT1 1 Tf +0.867 0 Td +(Map)Tj +/TT0 1 Tf +(, )Tj +11.447 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.923 0 Td +(can )Tj +1.923 0 Td +(be )Tj +1.423 0 Td +(directly )Tj +3.59 0 Td +(exposed )Tj +3.924 0 Td +(to )Tj +-41.366 -1.44 Td +(JMX. )Tj +2.419 0 Td +(Merging )Tj +3.919 0 Td +(tw)Tj +1.044 0 Td +(o )Tj +/TT1 1 Tf +0.919 0 Td +(HashMap)Tj +/TT0 1 Tf +( )Tj +4.563 0 Td +(instances )Tj +4.309 0 Td +(with )Tj +/TT1 1 Tf +2.253 0 Td +(putAll)Tj +/TT0 1 Tf +( )Tj +3.963 0 Td +(is )Tj +1.03 0 Td +(a )Tj +0.863 0 Td +(fast )Tj +1.808 0 Td +(enough )Tj +3.587 0 Td +(oper)Tj +1.933 0 Td +(ation )Tj +2.531 0 Td +(to )Tj +1.197 0 Td +(be )Tj +1.419 0 Td +(performed )Tj +-37.755 -1.44 Td +(sync)Tj +1.927 0 Td +(hronously)Tj +4.188 0 Td +(. )Tj +-4.315 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.474 0 Td +(Diagnostic)Tj +/TT0 1 Tf +( )Tj +6.419 0 Td +(ev)Tj +0.988 0 Td +(ent )Tj +1.752 0 Td +(could )Tj +2.864 0 Td +(also )Tj +2.141 0 Td +(be )Tj +1.474 0 Td +(deli)Tj +1.594 0 Td +(v)Tj +0.488 0 Td +(ered )Tj +2.307 0 Td +(easily )Tj +2.863 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.918 0 Td +(annotating )Tj +4.976 0 Td +(the )Tj +1.752 0 Td +(method )Tj +3.697 0 Td +(with )Tj +2.308 0 Td +(the )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(@)Tj +0.626 0 Td +(A)Tj +0.626 0 Td +(s)Tj +0.626 0 Td +(y)Tj +0.626 0 Td +(n)Tj +0.626 0 Td +(c)Tj +0.626 0 Td +(h)Tj +0.626 0 Td +(r)Tj +0.626 0 Td +(o)Tj +0.626 0 Td +(n)Tj +0.626 0 Td +(o)Tj +0.626 0 Td +(u)Tj +0.626 0 Td +(s)Tj +/TT0 1 Tf +( )Tj +1.391 0 Td +(a)Tj +0.526 0 Td +(n)Tj +0.582 0 Td +(n)Tj +0.582 0 Td +(o)Tj +0.582 0 Td +(t)Tj +0.304 0 Td +(a)Tj +0.526 0 Td +(t)Tj +0.304 0 Td +(i)Tj +0.304 0 Td +(o)Tj +0.582 0 Td +(n)Tj +0.582 0 Td +(: )Tj +/TT2 1 Tf +1.069 0 Td +(@)Tj +0.626 0 Td +(A)Tj +0.626 0 Td +(s)Tj +0.626 0 Td +(y)Tj +0.626 0 Td +(n)Tj +0.626 0 Td +(c)Tj +0.626 0 Td +(h)Tj +0.626 0 Td +(r)Tj +0.626 0 Td +(o)Tj +0.626 0 Td +(n)Tj +0.626 0 Td +(o)Tj +0.626 0 Td +(u)Tj +0.626 0 Td +(s)Tj +/TT0 1 Tf +( )Tj +/TT1 1 Tf +1.391 0 Td +(p)Tj +0.626 0 Td +(u)Tj +0.626 0 Td +(b)Tj +0.626 0 Td +(l)Tj +0.626 0 Td +(i)Tj +0.626 0 Td +(c )Tj +1.713 0 Td +(v)Tj +0.626 0 Td +(o)Tj +0.626 0 Td +(i)Tj +0.626 0 Td +(d )Tj +1.713 0 Td +(o)Tj +0.626 0 Td +(n)Tj +0.626 0 Td +(N)Tj +0.626 0 Td +(e)Tj +0.626 0 Td +(w)Tj +0.626 0 Td +(D)Tj +0.626 0 Td +(i)Tj +0.626 0 Td +(a)Tj +0.626 0 Td +(g)Tj +0.626 0 Td +(n)Tj +0.626 0 Td +(o)Tj +0.626 0 Td +(s)Tj +0.626 0 Td +(t)Tj +0.626 0 Td +(i)Tj +0.626 0 Td +(c)Tj +0.626 0 Td +(s)Tj +-41.6 -1.44 Td +(\()Tj +/TT2 1 Tf +(@Observes)Tj +/TT1 1 Tf +( Diagnostics diagnostics\){})Tj +/TT0 1 Tf +(.)Tj +/TT3 1 Tf +12 0 0 12 57 476.3999 Tm +(REST for Monitoring)Tj +/TT0 1 Tf +10 0 0 10 75 454 Tm +(T)Tj +0.511 0 Td +(he )Tj +1.357 0 Td +(singleton )Tj +4.192 0 Td +(session )Tj +3.358 0 Td +(bean)Tj +/TT1 1 Tf +( )Tj +2.735 0 Td +(MonitoringResource)Tj +/TT0 1 Tf +( )Tj +11.102 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.19 0 Td +(exposed )Tj +3.858 0 Td +(as )Tj +1.19 0 Td +(an )Tj +1.357 0 Td +(MXBean )Tj +3.968 0 Td +(and )Tj +1.913 0 Td +(can )Tj +1.857 0 Td +(be )Tj +-41.144 -1.44 Td +(directly )Tj +3.589 0 Td +(accessed )Tj +4.2 0 Td +(via )Tj +1.644 0 Td +(JMX. )Tj +2.422 0 Td +(It )Tj +0.922 0 Td +(is )Tj +1.033 0 Td +(also )Tj +2.089 0 Td +(a )Tj +0.866 0 Td +(singleton )Tj +4.257 0 Td +(bean )Tj +2.478 0 Td +(and )Tj +1.978 0 Td +(can )Tj +1.922 0 Td +(expose )Tj +3.367 0 Td +(the )Tj +1.7 0 Td +(monitoring )Tj +5.09 0 Td +(data )Tj +2.2 0 Td +(easily )Tj +-39.755 -1.44 Td +(via )Tj +1.63 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.074 0 Td +(\(REST\). )Tj +3.353 0 Td +(See )Tj +1.852 0 Td +(Listing )Tj +3.131 0 Td +(44. )Tj +1.705 0 Td +(Accessing )Tj +4.631 0 Td +(data )Tj +2.186 0 Td +(via )Tj +1.63 0 Td +(HTTP )Tj +2.798 0 Td +(is )Tj +1.019 0 Td +(especially )Tj +4.631 0 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(enient )Tj +3.02 0 Td +(for )Tj +1.519 0 Td +(scripting )Tj +-38.532 -1.44 Td +(and terminal access. )Tj +8.984 0 Td +(T)Tj +0.456 0 Td +(ools suc)Tj +3.484 0 Td +(h as )Tj +/TT1 1 Tf +(curl)Tj +/TT0 1 Tf +( or )Tj +/TT1 1 Tf +(wget)Tj +/TT0 1 Tf +( can directly consume the monitoring data. )Tj +/TT1 1 Tf +-12.924 -1.79 Td +(@Singleton)Tj +0 -1.79 TD +(@Startup)Tj +T* +(@LocalBean)Tj +/TT2 1 Tf +T* +(@Path\("monitoring"\))Tj +/TT1 1 Tf +T* +(@ConcurrencyManagement\(ConcurrencyManagementType.BEAN\))Tj +T* +(public class MonitoringResource implements MonitoringResourceMXBean {)Tj +0 -3.58 TD +( private ConcurrentHashMap methods = new )Tj +0 -0.99 TD +(ConcurrentHashMap\(\);)Tj +0 -1.79 TD +( private ConcurrentHashMap diagnostics = new )Tj +0 -0.99 TD +(ConcurrentHashMap\(\);)Tj +0 -1.79 TD +( private AtomicLong exceptionCount;)Tj +0 -3.58 TD +( )Tj +/TT2 1 Tf +( @GET)Tj +0 -1.79 TD +( @Produces\({MediaType.APPLICATION_JSON,MediaType.APPLICATION_XML}\))Tj +/TT1 1 Tf +0 -1.79 TD +( public List getSlowestMethods\()Tj +7.2 -1.79 Td +(@QueryParam\("max"\) @DefaultValue\("50"\) int maxResult\){)Tj +-7.2 -1.79 Td +( List list = new ArrayList)Tj +0 -0.99 TD +(\(methods.values\(\)\);)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 76.8 Tm +( Collections.sort\(list\);)Tj +ET +Q + +endstream +endobj +208 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 209 0 R>>endobj +209 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(87)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( Collections.reverse\(list\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( if\(list.size\(\) > maxResult\))Tj +0 -1.79 TD +( return list.subList\(0,maxResult\);)Tj +T* +( else)Tj +T* +( return list;)Tj +T* +( })Tj +/TT2 1 Tf +0 -3.58 TD +( @GET)Tj +0 -1.79 TD +( @Path\("exceptionCount"\))Tj +0 -1.79 TD +( @Produces\(MediaType.TEXT_PLAIN\))Tj +/TT1 1 Tf +0 -1.79 TD +( @Override)Tj +T* +( public String getNumberOfExceptions\(\){)Tj +0 -1.79 TD +( return String.valueOf\(exceptionCount.get\(\)\);)Tj +0 -1.79 TD +( })Tj +/TT2 1 Tf +0 -3.58 TD +( @GET)Tj +0 -1.79 TD +( @Path\("diagnostics"\))Tj +0 -1.79 TD +( @Produces\(MediaType.TEXT_PLAIN\))Tj +/TT1 1 Tf +0 -1.79 TD +( public String getDiagnosticsAsString\(\){)Tj +T* +( return getDiagnostics\(\).toString\(\);)Tj +0 -1.79 TD +( })Tj +/TT2 1 Tf +0 -3.58 TD +( @GET)Tj +0 -1.79 TD +( @Path\("diagnostics/{key}"\))Tj +T* +( @Produces\(MediaType.TEXT_PLAIN\))Tj +/TT1 1 Tf +0 -1.79 TD +( public String getDiagnosticsAsString\(@PathParam\("key"\) String key\ \))Tj +0 -0.99 TD +({)Tj +0 -1.79 TD +( return getDiagnostics\(\).get\(key\);)Tj +0 -1.79 TD +( })Tj +T* +( @Override)Tj +0 -1.79 TD +( @DELETE)Tj +0 -1.79 TD +( public void clear\(\){)Tj +ET + +endstream +endobj +210 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 211 0 R>>endobj +211 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(88)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( methods.clear\(\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( exceptionCount.set\(0\);)Tj +0 -1.79 TD +( diagnostics.clear\(\);)Tj +T* +( })Tj +3.6 -1.79 Td +(//REST irrelevant methods omitted)Tj +-3.6 -1.79 Td +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 44: Exposing Management Data via REST)Tj +1.8 -2.24 Td +(It )Tj +0.861 0 Td +(is )Tj +0.972 0 Td +(a )Tj +0.805 0 Td +(lot )Tj +1.417 0 Td +(easier )Tj +2.805 0 Td +(for )Tj +1.472 0 Td +(the )Tj +1.639 0 Td +(administr)Tj +3.989 0 Td +(ators )Tj +2.361 0 Td +(and )Tj +1.917 0 Td +(oper)Tj +1.933 0 Td +(ators )Tj +2.361 0 Td +(to )Tj +1.139 0 Td +(access )Tj +3.083 0 Td +(monitoring )Tj +5.029 0 Td +(data )Tj +2.139 0 Td +(via )Tj +1.583 0 Td +(HTTP/REST )Tj +-37.309 -1.44 Td +(than )Tj +2.334 0 Td +(via )Tj +1.722 0 Td +(JMX. )Tj +2.426 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.5 0 Td +(getSlowestMethods)Tj +/TT0 1 Tf +( )Tj +10.646 0 Td +(method )Tj +3.723 0 Td +(in )Tj +1.278 0 Td +(Listing )Tj +3.223 0 Td +(44 )Tj +1.556 0 Td +(returns )Tj +3.389 0 Td +(a )Tj +0.944 0 Td +(list )Tj +1.667 0 Td +(of )Tj +/TT1 1 Tf +1.278 0 Td +(Invocation)Tj +/TT0 1 Tf +( )Tj +-36.199 -1.44 Td +(instances \(see Listing 45\). )Tj +/TT1 1 Tf +0 -1.79 TD +(@XmlRootElement)Tj +T* +(@XmlAccessorType\(XmlAccessType.FIELD\))Tj +T* +(public class Invocation implements Comparable{)Tj +T* +( @XmlAttribute)Tj +T* +( private String methodName;)Tj +T* +( @XmlAttribute)Tj +T* +( private Long invocationPerformance;)Tj +0 -3.58 TD +( public Invocation\(String methodName, long invocationPerformance\) {\ )Tj +0 -1.79 TD +( this.methodName = methodName;)Tj +T* +( this.invocationPerformance = invocationPerformance;)Tj +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 45: Using J)Tj +7.764 0 Td +(AXB )Tj +2.13 0 Td +(Annotations for XML and JSON Serialization)Tj +-8.094 -2.24 Td +(Class )Tj +/TT1 1 Tf +2.566 0 Td +(Invocation)Tj +/TT0 1 Tf +( )Tj +6.344 0 Td +(together )Tj +3.844 0 Td +(with )Tj +2.233 0 Td +(J)Tj +0.26 0 Td +(AXB )Tj +2.232 0 Td +(annotations )Tj +5.346 0 Td +(pro)Tj +1.433 0 Td +(vides )Tj +/C2_0 1 Tf +2.566 0 Td 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+(W)Tj +0.982 0 Td +(ithout )Tj +3.002 0 Td +(an)Tj +1.038 0 Td +(y )Tj +/C2_0 1 Tf +-41.7 -1.44 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation, )Tj +2.787 0 Td +(the )Tj +1.675 0 Td +(names )Tj +3.119 0 Td +(of )Tj +1.175 0 Td +(the )Tj +1.675 0 Td +(XML )Tj +2.341 0 Td +(and )Tj +1.953 0 Td +(JSON )Tj +2.73 0 Td +(tags )Tj +2.008 0 Td +(are )Tj +1.674 0 Td +(directly )Tj +3.564 0 Td +(deri)Tj +1.649 0 Td +(v)Tj +0.488 0 Td +(ed )Tj +1.397 0 Td +(from )Tj +2.341 0 Td +(the )Tj +1.675 0 Td +(class )Tj +2.397 0 Td +(structure. )Tj +-38.199 -1.44 Td +(T)Tj +0.511 0 Td +(he )Tj +1.502 0 Td +(default )Tj +3.392 0 Td +(v)Tj +0.476 0 Td +(alues )Tj +2.669 0 Td +(can )Tj +2.002 0 Td +(be )Tj +1.502 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erridden )Tj +4.058 0 Td +(at )Tj +1.224 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.946 0 Td +(time )Tj +2.335 0 Td +(with )Tj +2.336 0 Td +(annotations. )Tj +5.653 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.502 0 Td +(output )Tj +3.226 0 Td +(format )Tj +3.224 0 Td +(can )Tj +2.002 0 Td +(be )Tj +/C2_0 1 Tf +-41.144 -1.44 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(ed with the )Tj +/TT1 1 Tf +(Accept)Tj +/TT0 1 Tf +( HTTP header)Tj +17.367 0 Td +(. )Tj +-15.567 -2.24 Td +(Here is a )Tj +/TT1 1 Tf +(curl)Tj +/TT0 1 Tf +( command:)Tj +/TT1 1 Tf +-1.8 -1.79 Td +(curl -H "Accept: application/json\224 http://localhost:8080/x-ray/)Tj +0 -0.99 TD +(resources/monitoring)Tj +ET + +endstream +endobj +212 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 213 0 R>>endobj +213 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(89)Tj +0 Tc 0 Tw -18.632 57.06 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +(curl)Tj +/TT0 1 Tf +( command returns the )Tj +/TT1 1 Tf +(Invocation)Tj +/TT0 1 Tf +( instances as a JSON string:)Tj +/TT1 1 Tf +-2.311 -1.79 Td +({"invocation":[{"@methodName":"public java.util.Map )Tj +0 -0.99 TD 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0 Td +(v)Tj +0.488 0 Td +(er )Tj +1.531 0 Td +(XML )Tj +2.698 0 Td +(is )Tj +1.365 0 Td +(the )Tj +2.032 0 Td +(required )Tj +-38.588 -1.44 Td +(recompilation )Tj +6.636 0 Td +(for )Tj +1.801 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.967 0 Td +(c)Tj +0.482 0 Td +(hange. )Tj +3.45 0 Td +(T)Tj +0.511 0 Td +(his )Tj +1.857 0 Td +(shortcoming )Tj +5.969 0 Td +(loses )Tj +2.746 0 Td +(its )Tj +1.579 0 Td +(weight )Tj +3.524 0 Td +(if )Tj +1.19 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.746 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +1.134 0 Td +(a )Tj +1.134 0 Td +(w)Tj +0.766 0 Td +(orking )Tj +-39.477 -1.44 Td +(continuous )Tj +5.201 0 Td +(integr)Tj +2.433 0 Td +(ation )Tj +2.588 0 Td +(\(CI\) )Tj +1.921 0 Td +(en)Tj +1.044 0 Td +(vironment )Tj +4.81 0 Td +(in )Tj +1.254 0 Td +(place. )Tj +3.032 0 Td +(In )Tj +1.254 0 Td +(suc)Tj +1.427 0 Td +(h )Tj +0.976 0 Td +(a )Tj +0.92 0 Td +(scenario, )Tj +4.31 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.753 0 Td +(commit )Tj +3.698 0 Td +(triggers )Tj 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+BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 624.2001 Tm +(\(\);)Tj +0 -1.79 TD +( private LinkedList minutely = new LinkedList)Tj +0 -0.99 TD +(\(\);)Tj +0 -3.58 TD +( @GET)Tj +0 -1.79 TD +( @Path\("hourly"\))Tj +0 -1.79 TD +( @Lock\(LockType.READ\))Tj +0 -1.79 TD +( public List hourly\(@QueryParam\("lastHours"\) )Tj +0 -0.99 TD +(@DefaultValue\("24"\) int hours\) {)Tj +0 -1.79 TD +( int size = hourly.size\(\);)Tj +T* +( if \(size <= hours\) {)Tj +T* +( return hourly;)Tj +T* +( })Tj +T* +( return hourly.subList\(0, hours\);)Tj +T* +( })Tj +0 -3.58 TD +( @GET)Tj +0 -1.79 TD +( @Path\("minutely"\))Tj +T* +( @Lock\(LockType.READ\))Tj +T* +( public List minutely\(@QueryParam\("lastHours"\) )Tj +0 -0.99 TD +(@DefaultValue\("60"\) int minutes\) {)Tj +0 -1.79 TD +( int size = minutely.size\(\);)Tj +T* +( if \(size <= minutes\) {)Tj +T* +( return minutely;)Tj +T* +( })Tj +0 -1.79 TD +( return minutely.subList\(0, minutes\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( @Lock\(LockType.WRITE\))Tj +0 -1.79 TD +( )Tj +/TT2 1 Tf +(public void onHourlyStatistic\(@Observes @HitsPer\(HOUR\) long )Tj +0 -0.99 TD +(hitPerMinute\))Tj +/TT1 1 Tf +( {)Tj +0 -1.79 TD +( hourly.addFirst\(new Statistic\(hitPerMinute\)\);)Tj +0 -1.79 TD +( })Tj +ET + +endstream +endobj +221 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 222 0 R>>endobj +222 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(93)Tj +/TT1 1 Tf +0 Tc 0 Tw -20.432 55.72 Td +( @Lock\(LockType.WRITE\))Tj +0 -1.79 TD +( public void onMinutelyStatistic\(@Observes @HitsPer\(MINUTE\) long )Tj +0 -0.99 TD +(hitPerMinute\) {)Tj +0 -1.79 TD +( minutely.addFirst\(new Statistic\(hitPerMinute\)\);)Tj +0 -1.79 TD +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 46: Hourly and Minutely History of Hits)Tj +1.8 -2.24 Td +(Statistics )Tj +4.297 0 Td +(are )Tj +1.962 0 Td +(indirectly )Tj +4.686 0 Td +(passed )Tj +3.519 0 Td +(to )Tj +/TT1 1 Tf +1.463 0 Td +(onMinutelyStatistic)Tj +/TT0 1 Tf +( )Tj +12.031 0 Td +(and )Tj +/TT1 1 Tf +2.241 0 Td +(onHourlyStatistic)Tj +/TT0 1 Tf +( )Tj +-31.998 -1.44 Td +(using )Tj +2.624 0 Td +(the )Tj +1.679 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.845 0 Td +(introduced )Tj +5.014 0 Td +(CDI )Tj +2.068 0 Td +(ev)Tj +0.988 0 Td +(ents. )Tj +2.346 0 Td +(Both )Tj +2.346 0 Td +(methods )Tj +4.013 0 Td +(are )Tj +1.678 0 Td +(expecting )Tj +4.513 0 Td +(a )Tj +0.845 0 Td +(long )Tj +2.235 0 Td +(as )Tj +1.234 0 Td +(a )Tj +0.845 0 Td +(par)Tj +1.377 0 Td +(ameter )Tj +3.289 0 Td +(and )Tj +-40.588 -1.44 Td +(w)Tj +0.766 0 Td +(ould recei)Tj +4.317 0 Td +(v)Tj +0.488 0 Td +(e all ev)Tj +3.1 0 Td +(ents of type long in par)Tj +9.882 0 Td +(allel. )Tj +-16.753 -2.24 Td +(A )Tj +/C2_0 1 Tf +0.949 0 Td +<0049004D003900440041005D>Tj +/TT0 1 Tf +(er )Tj +3.839 0 Td +(is )Tj +0.949 0 Td +(used )Tj +2.283 0 Td +(to )Tj +1.116 0 Td +(distinguish )Tj +4.896 0 Td +(between )Tj +3.95 0 Td +(different )Tj +3.839 0 Td +(logical )Tj +3.172 0 Td +(ev)Tj +0.988 0 Td +(ents )Tj +2.005 0 Td +(of )Tj +1.116 0 Td +(the )Tj +1.616 0 Td +(same )Tj +2.504 0 Td +(type. )Tj +2.394 0 Td +(In )Tj +1.116 0 Td +(the )Tj +1.616 0 Td +(class)Tj +( )Tj +/TT1 1 Tf +-40.144 -1.44 Td +(Trend)Tj +/TT0 1 Tf +(, )Tj +3.641 0 Td +(the )Tj +/C2_0 1 Tf +1.696 0 Td +<0049004D003900440041005D>Tj +/TT0 1 Tf +(er )Tj +/TT1 1 Tf +3.919 0 Td +(@HitsPer\(HOUR\))Tj +/TT0 1 Tf +(, )Tj +/TT1 1 Tf +9.041 0 Td +(@HitsPer\(MINUTE\))Tj +/TT0 1 Tf +( )Tj +9.964 0 Td +(annotates )Tj +4.475 0 Td +(the )Tj +1.696 0 Td +(par)Tj +1.377 0 Td +(ameter )Tj +3.306 0 Td +(as )Tj +1.251 0 Td +(well )Tj +-40.366 -1.44 Td +(as )Tj +1.236 0 Td +(the )Tj +1.681 0 Td +(injection )Tj +4.127 0 Td +(point )Tj +2.571 0 Td +(of )Tj +1.181 0 Td +(the )Tj +/TT1 1 Tf +1.681 0 Td +(Event)Tj +/TT0 1 Tf +( )Tj +3.347 0 Td +(class. )Tj +2.681 0 Td +(If )Tj +0.903 0 Td +(both )Tj +2.293 0 Td +(annotations )Tj +5.35 0 Td +(with )Tj +2.237 0 Td +(the )Tj +1.681 0 Td +(included )Tj +4.127 0 Td +(elements )Tj +4.181 0 Td +(matc)Tj +2.093 0 Td +(h, )Tj +-41.366 -1.44 Td +(the )Tj +1.973 0 Td +(ev)Tj +0.988 0 Td +(ent )Tj +1.973 0 Td +(will )Tj +2.251 0 Td +(be )Tj +1.695 0 Td +(deli)Tj +1.594 0 Td +(v)Tj +0.488 0 Td +(ered; )Tj +2.806 0 Td +(otherwise )Tj +4.807 0 Td +(it )Tj +1.195 0 Td +(will )Tj +2.251 0 Td +(just )Tj +2.14 0 Td +(disappear)Tj +4.094 0 Td +(. )Tj +0.88 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.751 0 Td +(the )Tj +1.973 0 Td +(custom )Tj +3.751 0 Td +(annotation )Tj +/TT1 1 Tf +-37.586 -1.44 Td +(HitsPer)Tj +/TT0 1 Tf +(, )Tj +4.768 0 Td +(the )Tj +1.623 0 Td +(minutely )Tj +4.068 0 Td +(and )Tj +1.901 0 Td +(hourly )Tj +3.068 0 Td +(deli)Tj +1.594 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +1.622 0 Td +(of )Tj +1.123 0 Td +(the )Tj +1.623 0 Td +(long )Tj +2.179 0 Td +(ev)Tj +0.988 0 Td +(ent )Tj +1.623 0 Td +(can )Tj +1.845 0 Td +(be )Tj +1.345 0 Td +(distinguished )Tj +5.959 0 Td +(in )Tj +1.123 0 Td +(a )Tj +/C2_0 1 Tf +0.789 0 Td +<005E>Tj +/TT0 1 Tf +(uent )Tj +2.735 0 Td +(w)Tj +0.76 0 Td +(a)Tj +0.47 0 Td +(y)Tj +( )Tj +-41.7 -1.44 Td +(\(see Listing 47\).)Tj +/TT1 1 Tf +0 -1.79 TD +(import static java.lang.annotation.ElementType.FIELD;)Tj +T* +(import static java.lang.annotation.ElementType.PARAMETER;)Tj +0 -1.79 TD +(import static java.lang.annotation.RetentionPolicy.RUNTIME;)Tj +0 -1.79 TD +(import java.lang.annotation.Retention;)Tj +T* +(import java.lang.annotation.Target;)Tj +T* +(import javax.inject.Qualifier;)Tj +0 -3.58 TD +(@Qualifier)Tj +0 -1.79 TD +(@Retention\(RUNTIME\))Tj +T* +(@Target\({FIELD, PARAMETER}\))Tj +T* +(public @interface HitsPer {)Tj +T* +( Frequency value\(\);)Tj +T* +( enum Frequency {)Tj +T* +( MINUTE, HOUR)Tj +T* +( })Tj +T* +(})Tj +ET + +endstream +endobj +223 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 224 0 R>>endobj +224 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(94)Tj +ET +q +52 72 432 569 re +W n +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 57 633.2001 Tm +(Listing 47: HitsP)Tj +/C2_0 1 Tf +6.959 0 Td +<003D004A0001001F004D004B004C004700450001002D004D003900440041005D>Tj +/TT0 1 Tf +(er)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 610.8002 Tm +(HitsPer)Tj +/TT0 1 Tf +( )Tj +4.565 0 Td +(is )Tj +1.031 0 Td +(not )Tj +1.754 0 Td +(just )Tj +1.865 0 Td +(a )Tj +0.864 0 Td +(marker )Tj +3.363 0 Td +(annotation. )Tj +5.256 0 Td +(It )Tj +0.92 0 Td +(contains )Tj +3.977 0 Td +(an )Tj +1.42 0 Td +(embedded )Tj +4.921 0 Td +(enum )Tj +/TT1 1 Tf +2.809 0 Td +(Frequency)Tj +/TT0 1 Tf +( )Tj +5.765 0 Td +(with )Tj +-40.31 -1.44 Td +(the )Tj +1.713 0 Td +(v)Tj +0.476 0 Td +(alues )Tj +/TT1 1 Tf +2.602 0 Td +(MINUTE)Tj +/TT0 1 Tf +( )Tj +3.98 0 Td +(and )Tj +/TT1 1 Tf +1.991 0 Td +(HOUR)Tj +/TT0 1 Tf +(. )Tj +2.983 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.435 0 Td +(only )Tj +2.269 0 Td +(element )Tj +3.824 0 Td +(of )Tj +1.213 0 Td +(the )Tj +/TT1 1 Tf +1.713 0 Td +(HitsPer)Tj +/TT0 1 Tf +( )Tj +4.58 0 Td +(annotation )Tj +4.993 0 Td +(that )Tj +1.991 0 Td +(has )Tj +1.824 0 Td +(the )Tj +1.713 0 Td +(name )Tj +/TT1 1 Tf +-39.811 -1.44 Td +(value)Tj +/TT0 1 Tf +( )Tj +3.458 0 Td +(is )Tj +/TT1 1 Tf +1.125 0 Td +(Frequency)Tj +/TT0 1 Tf +(. )Tj +6.137 0 Td +(No )Tj +1.792 0 Td +(default )Tj +3.404 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.292 0 Td +(is )Tj +1.125 0 Td +(declared, )Tj +4.459 0 Td +(so )Tj +1.403 0 Td +(a )Tj +0.958 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.292 0 Td +(has )Tj +1.903 0 Td +(to )Tj +1.292 0 Td +(be )Tj +1.514 0 Td +(pro)Tj +1.433 0 Td +(vided )Tj +2.848 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.958 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +-40.867 -1.44 Td +(declar)Tj +2.655 0 Td +(ation. )Tj +2.764 0 Td +(T)Tj +0.456 0 Td +(ogether )Tj +3.615 0 Td +(with )Tj +2.282 0 Td +(the )Tj +1.726 0 Td +(pro)Tj +1.433 0 Td +(vided )Tj +2.782 0 Td +(v)Tj +0.476 0 Td +(alue, )Tj +2.504 0 Td +(the )Tj +1.726 0 Td +(annotation )Tj +/TT1 1 Tf +5.006 0 Td +(HitsPer)Tj +/TT0 1 Tf +( )Tj +4.593 0 Td +(is )Tj +1.059 0 Td +(far )Tj +1.503 0 Td +(more )Tj +2.614 0 Td +(readable )Tj +4.115 0 Td +(as )Tj +/TT1 1 Tf +-41.311 -1.44 Td +(@HitsPer\(MINUTE\))Tj +/TT0 1 Tf +(, as sho)Tj +12.814 0 Td +(wn in Listing 48:)Tj +/TT1 1 Tf +-12.814 -1.79 Td +(@Singleton)Tj +0 -1.79 TD +(public class HourlyStatisticsCalculator {)Tj +0 -3.58 TD +( @Inject)Tj +0 -1.79 TD +( @HitsPer\(HOUR\))Tj +T* +( Event hourlyEvent;)Tj +0 -3.58 TD +( @Schedule\(hour = "*/1", persistent = false\))Tj +0 -1.79 TD +( public void computeStatistics\(\) {)Tj +3.6 -1.79 Td +(//\205)Tj +-3.6 -1.79 Td +(hourlyEvent.fire\(currentRate\);)Tj +T* +( })Tj +0 -3.58 TD +(})Tj +T* +(@Singleton)Tj +0 -1.79 TD +(public class MinutelyStatisticsCalculator {)Tj +0 -3.58 TD +( @Inject)Tj +0 -1.79 TD +( @HitsPer\(MINUTE\))Tj +T* +( Event minutelyEvent;)Tj +0 -3.58 TD +( @Schedule\(minute = "*/1", hour = "*", persistent = false\))Tj +0 -1.79 TD +( public void computeStatistics\(\) {)Tj +7.2 -1.79 Td +(//...)Tj +T* +(minutelyEvent.fire\(currentRate\);)Tj +ET + +endstream +endobj +225 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 226 0 R>>endobj +226 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(95)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +(})Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +(})Tj +/C2_0 1 Tf +0 -1.88 TD +<00280041004B004C00410046003F00010011001500170001002D004D003900440041005D>Tj +/TT0 1 Tf +(cation of the Ev)Tj +14.384 0 Td +(ent Injection)Tj +-12.584 -2.24 Td +(Both )Tj +2.717 0 Td +(the )Tj +/TT1 1 Tf +2.05 0 Td +(Minutely)Tj +/TT0 1 Tf +( )Tj +5.516 0 Td +(and )Tj +/TT1 1 Tf +2.328 0 Td +(HourlyStatisticCalculator)Tj +/TT0 1 Tf +( )Tj +15.718 0 Td +(classes )Tj +3.661 0 Td +(use )Tj +2.161 0 Td +(the )Tj +/TT1 1 Tf +2.05 0 Td +(HitsPer)Tj +/TT0 1 Tf +( )Tj +-37.999 -1.44 Td +(annotation )Tj +4.913 0 Td +(to )Tj +1.133 0 Td +(inject )Tj +2.689 0 Td +(the )Tj +/TT1 1 Tf +1.633 0 Td +(Event)Tj +/TT0 1 Tf +( )Tj +3.299 0 Td +(instance. )Tj +4.134 0 Td +(Eac)Tj +1.482 0 Td +(h )Tj +0.855 0 Td +(class )Tj +2.355 0 Td +(is )Tj +0.966 0 Td +(able )Tj +2.133 0 Td +(to )Tj +1.133 0 Td +(send )Tj +2.3 0 Td +(the )Tj +1.633 0 Td +(recently )Tj +3.744 0 Td +(computed )Tj +4.634 0 Td +(statistic )Tj +-39.032 -1.44 Td +(to the corresponding c)Tj +9.653 0 Td +(hannel separ)Tj +5.49 0 Td +(ately just b)Tj +4.651 0 Td +(y c)Tj +1.26 0 Td +(hoosing the right v)Tj +7.98 0 Td +(alue of the )Tj +/TT1 1 Tf +(HitsPer)Tj +/C2_0 1 Tf +<00010049004D003900440041005D>Tj +/TT0 1 Tf +(er)Tj +12.798 0 Td +(.)Tj +-40.032 -2.24 Td +(CDI )Tj +2.438 0 Td +(ev)Tj +0.988 0 Td +(ents )Tj +2.438 0 Td +(together )Tj +4.216 0 Td +(with )Tj +2.605 0 Td +(custom )Tj +/C2_0 1 Tf +3.827 0 Td +<0049004D003900440041005D>Tj +/TT0 1 Tf +(ers )Tj +4.661 0 Td +(and )Tj +2.327 0 Td +(async)Tj +2.427 0 Td +(hronous )Tj +4.217 0 Td +(methods )Tj +4.383 0 Td +(are )Tj +2.048 0 Td +(a )Tj +1.215 0 Td +(viable )Tj +-39.588 -1.44 Td +(replacement for JMS )Tj +/TT1 1 Tf +(javax.jms.Topic)Tj +/TT0 1 Tf +( for a local publish/subscribe \(pub/sub\) implementation.)Tj +/TT2 1 Tf +12 0 0 12 57 473.0002 Tm +(REST and HTML Serialization)Tj +/TT0 1 Tf +10 0 0 10 75 450.6002 Tm +(T)Tj +0.511 0 Td +(he )Tj +1.352 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.018 0 Td +(implementation )Tj +7.076 0 Td +(J)Tj +0.266 0 Td +(ersey )Tj +2.518 0 Td +(\()Tj +(http://jersey)Tj +5.188 0 Td +(.ja)Tj +1.026 0 Td +(v)Tj +0.476 0 Td +(a.net)Tj +(\) )Tj +2.686 0 Td +(supports )Tj +3.909 0 Td +(JSON )Tj +2.685 0 Td +(and )Tj +1.908 0 Td +(XML )Tj +2.296 0 Td +(serialization )Tj +-36.976 -1.44 Td +(of )Tj +1.188 0 Td +(J)Tj +0.26 0 Td +(AXB )Tj +2.243 0 Td +(annotated )Tj +4.634 0 Td +(objects. )Tj +3.689 0 Td +(Neither )Tj +3.577 0 Td +(JSON )Tj +2.743 0 Td +(nor )Tj +1.799 0 Td +(XML )Tj +2.354 0 Td +(can )Tj +1.91 0 Td +(be )Tj +1.41 0 Td +(directly )Tj +3.577 0 Td +(consumed )Tj +4.8 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.854 0 Td +(a )Tj +0.817 0 Td +(W)Tj +0.963 0 Td +(eb )Tj +1.41 0 Td +(bro)Tj +1.433 0 Td +(wser )Tj +-40.2 -1.44 Td +(without )Tj +3.679 0 Td +(further )Tj +3.233 0 Td +(preprocessing. )Tj +6.623 0 Td +(Because )Tj +3.955 0 Td +(of )Tj +1.233 0 Td +(built-in )Tj +3.512 0 Td +(content )Tj +3.623 0 Td +(negotiation, )Tj +5.513 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.121 0 Td +(is )Tj +1.066 0 Td +(able )Tj +2.233 0 Td +(to )Tj +1.233 0 Td +(deli)Tj +1.594 0 Td +(v)Tj +0.488 0 Td +(er )Tj +-41.367 -1.44 Td +(multiple )Tj +4.029 0 Td +(representations )Tj +6.974 0 Td +(of )Tj +1.306 0 Td +(the )Tj +1.806 0 Td +(same )Tj +2.694 0 Td +(data )Tj +2.306 0 Td +(\(see )Tj +2.139 0 Td +(Listing )Tj +3.251 0 Td +(49\). )Tj +2.066 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.528 0 Td +(client )Tj +/C2_0 1 Tf +2.862 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(es )Tj +4.14 0 Td +(the )Tj +1.806 0 Td +(anticipated )Tj +-37.42 -1.44 Td +(format with the )Tj +/TT1 1 Tf +(Accept)Tj +/TT0 1 Tf +( header)Tj +13.586 0 Td +(.)Tj +/TT1 1 Tf +-11.786 -2.12 Td +(@Stateless)Tj +0 -2.12 TD +(@Path\("mostpopular"\))Tj +T* +(public class MostPopular extends TitleFilter{)Tj +T* +( @EJB)Tj +T* +( PersistentHitStore hits;)Tj +T* +( @GET)Tj +T* +( @Produces)Tj +-1.8 -1.32 Td +(\({)Tj +/TT3 1 Tf +(APPLICATION_XHTML_XML)Tj +/TT1 1 Tf +(,APPLICATION_JSON,APPLICATION_XML}\))Tj +1.8 -2.12 Td +( public List totalHitsAsString\(@QueryParam\("max"\) )Tj +-1.8 -1.32 Td +(@DefaultValue\("10"\) int max\){)Tj +1.8 -2.12 Td +( List mostPopularPosts = new LinkedList\(\);)Tj +T* +( List mostPopularPostsWithoutTitle = )Tj +-1.8 -1.32 Td +(hits.getMostPopularPosts\(max\);)Tj +1.8 -2.12 Td +( for \(Hit hit : mostPopularPostsWithoutTitle\) {)Tj +T* +( mostPopularPosts.add\(convert\(hit\)\);)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 75 77.8001 Tm +( })Tj +ET +Q + +endstream +endobj +227 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 229 0 R>>endobj +228 0 obj<>endobj +229 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(96)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 630.8002 Tm +( return getPostsWithExistingTitle\(mostPopularPosts,max\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 609.6002 Tm +( })Tj +0 -4.24 TD +( Post convert\(Hit hit\){)Tj +0 -2.12 TD +( long count = hit.getCount\(\);)Tj +T* +( String uri = hit.getActionId\(\);)Tj +0 -2.12 TD +( return new Post\(uri, count\);)Tj +0 -2.12 TD +( })Tj +0 -2.12 TD +(})Tj +/TT0 1 Tf +-1.77 -2.24 Td +(Listing 49: Declar)Tj +7.602 0 Td +(ation of Multiple Representations of P)Tj +16.13 0 Td +(ost Object)Tj +-21.962 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/C2_0 1 Tf +1.429 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(ed )Tj +4.208 0 Td +(content )Tj +3.597 0 Td +(of )Tj +1.207 0 Td +(the )Tj +/TT1 1 Tf +1.707 0 Td +(Accept)Tj +/TT0 1 Tf +( )Tj +3.974 0 Td +(header )Tj +3.318 0 Td +(has )Tj +1.818 0 Td +(to )Tj +1.207 0 Td +(matc)Tj +2.093 0 Td +(h )Tj +0.929 0 Td +(one )Tj +1.985 0 Td +(of )Tj +1.207 0 Td +(the )Tj +1.707 0 Td +(declared )Tj +/TT1 1 Tf +4.096 0 Td +(MediaType)Tj +/TT0 1 Tf +( )Tj +-36.799 -1.44 Td +(constants )Tj +4.702 0 Td +(on )Tj +1.812 0 Td +(the )Tj +2.034 0 Td +(corresponding )Tj +6.869 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.422 0 Td +(methods, )Tj +4.646 0 Td +(as )Tj +1.589 0 Td +(sho)Tj +1.489 0 Td +(wn )Tj +2.034 0 Td +(in )Tj +1.534 0 Td +(Listing )Tj +3.479 0 Td +(49. )Tj +2.016 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.756 0 Td +(follo)Tj +1.934 0 Td +(wing )Tj +/TT1 1 Tf +-40.088 -1.44 Td +(M)Tj +0.664 0 Td +(e)Tj +0.664 0 Td +(d)Tj +0.664 0 Td +(i)Tj +0.664 0 Td +(a)Tj +0.664 0 Td +(T)Tj +0.664 0 Td +(y)Tj +0.664 0 Td +(p)Tj +0.664 0 Td +(e)Tj +/TT0 1 Tf +( )Tj +1.41 0 Td +(c)Tj +0.563 0 Td +(o)Tj +0.619 0 Td +(n)Tj +0.619 0 Td +(s)Tj +0.452 0 Td +(t)Tj +0.341 0 Td +(a)Tj +0.563 0 Td +(n)Tj +0.619 0 Td +(t)Tj +0.341 0 Td +(s )Tj +1.199 0 Td +(a)Tj +0.563 0 Td +(r)Tj +0.396 0 Td +(e )Tj +1.31 0 Td +(s)Tj +0.452 0 Td 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)Tj +0.794 0 Td +(J)Tj +0.266 0 Td +(ersey)Tj +2.13 0 Td +(. )Tj +0.572 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.183 0 Td +(the )Tj +/TT1 1 Tf +1.628 0 Td +(APPLICATION_XHTML_XML)Tj +/TT0 1 Tf +(, )Tj +13.174 0 Td +(a )Tj +0.794 0 Td +(custom )Tj +-39.088 -1.44 Td +(implementation )Tj +7.223 0 Td +(of )Tj +1.277 0 Td +(the )Tj +1.777 0 Td +(interface )Tj +/TT1 1 Tf +4.166 0 Td +(MessageBodyWriter)Tj +/TT0 1 Tf +( )Tj +10.645 0 Td +(has )Tj +1.888 0 Td +(to )Tj +1.277 0 Td +(be )Tj +1.499 0 Td +(implemented )Tj +6.111 0 Td +(and )Tj +2.055 0 Td +(annotated )Tj +-37.92 -1.44 Td +(with the corresponding )Tj +/TT1 1 Tf +(MediaType)Tj +/TT0 1 Tf +( \(see Listing 50\). )Tj +/TT2 1 Tf +0 -1.79 TD +(@Provider)Tj +0 -1.79 TD +(@Produces\(MediaType.APPLICATION_XHTML_XML\))Tj +/TT1 1 Tf +0 -1.79 TD +(public class PostHtmlWriter implements)Tj +T* +( MessageBodyWriter> {)Tj +T* +( @Override)Tj +0 -1.79 TD +( public boolean isWriteable\(Class type, Type genericType, )Tj +0 -0.99 TD +(Annotation[] annotations, MediaType mediaType\) {)Tj +0 -1.79 TD +( return \(List.class.isAssignableFrom\(type\)\);)Tj +T* +( })Tj +T* +( @Override)Tj +0 -1.79 TD +( public long getSize\(List t, Class type, Type genericType, \ )Tj +0 -0.99 TD +(Annotation[] annotations, MediaType mediaType\) {)Tj +0 -1.79 TD +( String serialized = serialize\(t\);)Tj +0 -1.79 TD +( return serialized.length\(\);)Tj +ET + +endstream +endobj +230 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 231 0 R>>endobj +231 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(97)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( })Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +( @Override)Tj +0 -1.79 TD +( public void writeTo\(List t, Class type, Type genericType, \ )Tj +0 -0.99 TD +(Annotation[] annotations, MediaType mediaType, MultivaluedMap httpHeaders, OutputStream entityStream\) throws IOException, )Tj +T* +(WebApplicationException {)Tj +0 -1.79 TD +( String serialized = serialize\(t\);)Tj +T* +( entityStream.write\(serialized.getBytes\(\)\);)Tj +T* +( })Tj +T* +( public String serialize\(List posts\){)Tj +T* +( StringBuilder result = new StringBuilder\(\);)Tj +T* +( result.append\("
    "\);)Tj +T* +( for \(int i = 0; i < posts.size\(\); i++\) {)Tj +T* +( Post post = posts.get\(i\);)Tj +T* +( result.append\("
  1. "\);)Tj +T* +( result.append\(serialize\(post\)\);)Tj +T* +( result.append\("
    2. "\);)Tj +T* +( result.append\("\\n"\);)Tj +T* +( })Tj +T* +( result.append\("
"\);)Tj +0 -1.79 TD +( return result.toString\(\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public String serialize\(Post post\){)Tj +0 -1.79 TD +( StringBuilder serialized = new StringBuilder\(\);)Tj +T* +( serialized.append\(""\);)Tj +T* +( serialized.append\(post.getShortenedTitle\(80\)\);)Tj +T* +( serialized.append\(""\);)Tj +T* +( serialized.append\("
"\);)Tj +0 -1.79 TD +( serialized.append\(post.getNumberOfHits\(\)\);)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 75.4002 Tm +( serialized.append\("
"\);)Tj +ET +Q + +endstream +endobj +232 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 233 0 R>>endobj +233 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(98)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( return serialized.toString\(\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +( })Tj +0 -1.79 TD +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 50: Custom HTML Serializer)Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.413 0 Td +(serialization )Tj +5.581 0 Td +(itself )Tj +2.358 0 Td +(is )Tj +1.024 0 Td +(str)Tj +0.988 0 Td +(aightforw)Tj +4.039 0 Td +(ard. )Tj +1.95 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.413 0 Td +(List)Tj +/TT0 1 Tf +( )Tj +6.358 0 Td +(from )Tj +2.357 0 Td +(the )Tj +/TT1 1 Tf +1.691 0 Td +(totalHitsAsString)Tj +/TT0 1 Tf +( )Tj +-31.998 -1.44 Td +(method )Tj +3.599 0 Td +(is )Tj +0.987 0 Td +(passed )Tj +3.21 0 Td +(to )Tj +1.154 0 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1 Tf +1.191 0 Td +(Post)Tj +/TT0 1 Tf +( )Tj +2.757 0 Td +(instances )Tj +4.303 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.857 0 Td +(to )Tj +1.191 0 Td +(be )Tj +1.413 0 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(erted )Tj +-40.033 -1.44 Td +(into )Tj +1.962 0 Td +(the )Tj +1.628 0 Td +(desired )Tj +3.406 0 Td +(format )Tj +3.072 0 Td +(serializing )Tj +4.684 0 Td +(the )Tj +/TT1 1 Tf +1.628 0 Td +(List)Tj +/TT0 1 Tf +( )Tj +6.295 0 Td +(into )Tj +1.962 0 Td +(the )Tj +/TT1 1 Tf +1.628 0 Td +(OutputStream)Tj +/TT0 1 Tf +(. )Tj +7.773 0 Td +(In )Tj +1.128 0 Td +(our )Tj +1.739 0 Td +(case)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.433 0 Td +(it )Tj +0.85 0 Td +(is )Tj +0.961 0 Td +(an )Tj +-41.144 -1.44 Td +(ordered )Tj +3.856 0 Td +(list )Tj +1.745 0 Td +(of )Tj +1.356 0 Td +(posts )Tj +2.69 0 Td +(with )Tj +2.412 0 Td +(links )Tj +2.523 0 Td +(and )Tj +2.134 0 Td +(a )Tj +1.022 0 Td +(hit )Tj +1.634 0 Td +(number)Tj +3.26 0 Td +(. )Tj +0.726 0 Td +(T)Tj +0.511 0 Td +(he 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Td +(deri)Tj +1.649 0 Td +(v)Tj +0.488 0 Td +(ed )Tj +1.415 0 Td +(from )Tj +2.359 0 Td +(a )Tj +0.859 0 Td +(request )Tj +3.471 0 Td +(\(hit\), )Tj +2.305 0 Td +(so )Tj +1.304 0 Td +(this )Tj +1.86 0 Td +(is )Tj +ET +BT +/TT0 1 Tf +10 0 0 10 347.3879 100.3002 Tm +(not )Tj +1.749 0 Td +(the )Tj +1.693 0 Td +(best )Tj +2.082 0 Td +(place )Tj +2.693 0 Td +(to )Tj +1.193 0 Td +(store )Tj +2.415 0 Td +(the)Tj +( )Tj +/C2_1 1 Tf +-40.866 -1.44 Td +<004C00410045003D004A0001003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +6.045 0 Td +(ation. )Tj +ET + +endstream +endobj +234 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 235 0 R>>endobj +235 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(99)Tj +0 Tc 0 Tw -18.632 57.06 Td +(T)Tj +0.511 0 Td +(he )Tj +1.386 0 Td +(dur)Tj +1.433 0 Td +(ation )Tj +2.498 0 Td +(between )Tj +3.998 0 Td +(cac)Tj +1.482 0 Td +(he )Tj +/C2_0 1 Tf +1.386 0 Td +<005E>Tj +/TT0 1 Tf +(ushes )Tj +3.276 0 Td +(is )Tj +0.997 0 Td +(an )Tj +1.386 0 Td +(interesting )Tj +4.776 0 Td +(tuning )Tj +3.054 0 Td +(option. )Tj +3.388 0 Td +(Long )Tj +2.442 0 Td +(periods )Tj +3.498 0 Td +(for )Tj +1.497 0 Td +(the )Tj +1.664 0 Td +(Hits )Tj +-40.477 -1.44 Td +(cac)Tj +1.482 0 Td +(he )Tj +1.385 0 Td +(could )Tj +2.775 0 Td +(impro)Tj +2.544 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.829 0 Td +(the )Tj +1.663 0 Td +(database )Tj +4.108 0 Td +(performance )Tj +/C2_0 1 Tf +5.774 0 Td +<004B0041003F00460041005D>Tj +/TT0 1 Tf +(cantly)Tj +5.077 0 Td +(. )Tj +0.533 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.385 0 Td +(number )Tj +3.663 0 Td +(of )Tj +1.163 0 Td +(affected )Tj +3.719 0 Td +(URIs )Tj +2.385 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +-40.254 -1.44 Td +(not )Tj +1.841 0 Td +(gro)Tj +1.377 0 Td +(w )Tj +/C2_0 1 Tf +1.229 0 Td +<004B0041003F00460041005D>Tj +/TT0 1 Tf +(cantly; )Tj +5.898 0 Td +(r)Tj +0.321 0 Td +(ather)Tj +2.093 0 Td +(, )Tj +0.729 0 Td +(only )Tj +2.341 0 Td +(the )Tj +1.785 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.285 0 Td +(of )Tj +1.285 0 Td +(their )Tj +2.396 0 Td +(hits )Tj +1.952 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.397 0 Td +(increase. )Tj +4.285 0 Td +(On )Tj +1.84 0 Td +(the )Tj +1.785 0 Td +(other )Tj +2.674 0 Td +(hand, )Tj +-39.754 -1.44 Td +(longer )Tj +3.116 0 Td +(periods )Tj +3.561 0 Td +(for )Tj +1.56 0 Td +(the )Tj +1.727 0 Td +(referer )Tj +3.17 0 Td +(cac)Tj +1.482 0 Td +(he )Tj +1.449 0 Td +(could )Tj +2.839 0 Td +(lead )Tj +2.227 0 Td +(to )Tj +1.227 0 Td +(slo)Tj +1.211 0 Td +(wer )Tj +2.004 0 Td +(tr)Tj +0.599 0 Td +(ansactions, )Tj +5.173 0 Td +(because )Tj +3.894 0 Td +(it )Tj +0.949 0 Td +(is )Tj +1.06 0 Td +(more )Tj +2.615 0 Td +(likely)Tj +( )Tj +-39.866 -1.44 Td +(that )Tj +1.999 0 Td +(the )Tj +1.721 0 Td +(number )Tj +3.721 0 Td +(of )Tj +1.221 0 Td +(records )Tj +3.554 0 Td +(\(blog )Tj +2.555 0 Td +(visitors\) )Tj +3.666 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.333 0 Td +(also )Tj +2.11 0 Td +(increase. )Tj +4.221 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.276 0 Td +(both )Tj +2.333 0 Td +(cases, )Tj +2.943 0 Td +(the )Tj +1.721 0 Td +(length )Tj +3.055 0 Td +(of )Tj +1.221 0 Td +(the)Tj +( )Tj +-40.866 -1.44 Td +(period )Tj +3.161 0 Td +(between )Tj +/C2_0 1 Tf +4.05 0 Td +<005E>Tj +/TT0 1 Tf +(ushes )Tj +3.328 0 Td +(is )Tj +1.049 0 Td +(directly )Tj +3.605 0 Td +(related )Tj +3.327 0 Td +(to )Tj +1.216 0 Td +(the )Tj +1.716 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(ailability )Tj +4.106 0 Td +(of )Tj +1.216 0 Td +(the )Tj +1.716 0 Td +(data. )Tj +2.494 0 Td +(In )Tj +1.216 0 Td +(the )Tj +1.716 0 Td +(ev)Tj +0.988 0 Td +(ent )Tj +1.716 0 Td +(of )Tj +1.216 0 Td +(a )Tj +0.882 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +-41.367 -1.44 Td +(cr)Tj +0.821 0 Td +(ash or restart, all data between cac)Tj +/C2_0 1 Tf +14.931 0 Td +<0040003D0001005E>Tj +/TT0 1 Tf +(ushes w)Tj +5.324 0 Td +(ould be lost.)Tj +-19.276 -2.24 Td +(I )Tj +0.677 0 Td +(factored )Tj +3.9 0 Td +(out )Tj +1.789 0 Td +(the )Tj +1.733 0 Td +(hard-coded )Tj +5.345 0 Td +(v)Tj 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timerConfig.setPersistent\(false\);)Tj +T* +( timerService.createCalendarTimer\(expression, timerConfig\);)Tj +T* +( })Tj +ET + +endstream +endobj +236 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 237 0 R>>endobj +237 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(100)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( @Timeout)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +( public void initiateFlush\(\) {)Tj +0 -1.79 TD +( this.hits.persistHitsCache\(\);)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 51: Progr)Tj +/C2_0 1 Tf +6.991 0 Td +<0039004500450039004C0041003B000100390046003C0001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +9.602 0 Td +(able )Tj +2.038 0 Td +(T)Tj +/C2_0 1 Tf +0.482 0 Td +<00410045003D004A0001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +5.934 0 Td +(ation)Tj +/TT1 1 Tf +-23.247 -2.24 Td +(HitsFlushTimer)Tj +/TT0 1 Tf +( )Tj +8.767 0 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+2.211 0 Td +(ast )Tj +1.568 0 Td +(to )Tj +1.235 0 Td +(the )Tj +1.735 0 Td +(use )Tj +1.846 0 Td +(of )Tj +/TT1 1 Tf +-41.366 -1.44 Td +(@Schedule)Tj +/TT0 1 Tf +( )Tj +5.961 0 Td +(annotation, )Tj +5.452 0 Td +(a )Tj +1.06 0 Td +(progr)Tj +2.266 0 Td +(ammatically )Tj +5.838 0 Td +(created )Tj +3.727 0 Td +(timer )Tj +2.782 0 Td +(can )Tj +2.116 0 Td +(be )Tj +/C2_0 1 Tf +1.616 0 Td +<004A003D003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +6.006 0 Td +(without )Tj +3.84 0 Td +(an)Tj +1.038 0 Td +(y )Tj +-41.7 -1.44 Td +(recompilation. )Tj +6.815 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.684 0 Td +(the )Tj +1.906 0 Td +(injected )Tj +/C2_0 1 Tf +4.018 0 Td +<005D>Tj +/TT0 1 Tf +(eld )Tj +/TT1 1 Tf +2.462 0 Td +(hitsFlushRate)Tj +/TT0 1 Tf +(, )Tj +8.651 0 Td +(the )Tj +1.906 0 Td +(timer )Tj +2.794 0 Td +(can )Tj +2.128 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.628 0 Td +(be )Tj +/C2_0 1 Tf +1.628 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +-37.587 -1.44 Td +(externally)Tj +4.131 0 Td +(. )Tj +0.623 0 Td +(Dependenc)Tj +4.978 0 Td +(y )Tj +0.845 0 Td +(Injection )Tj +4.125 0 Td +(of )Tj +1.179 0 Td +(primiti)Tj +2.816 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.845 0 Td +(types )Tj +2.568 0 Td +(w)Tj +0.766 0 Td +(orks )Tj +2.123 0 Td +(without )Tj +3.625 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.845 0 Td +(XML )Tj +2.345 0 Td +(or )Tj +1.234 0 Td +(further )Tj +3.179 0 Td +(ceremon)Tj +3.76 0 Td +(y)Tj +0.408 0 Td +(. )Tj +-41.922 -1.44 Td +(Only )Tj +2.477 0 Td +(a )Tj +0.81 0 Td +(producer )Tj +4.2 0 Td +(method, )Tj +3.867 0 Td +(or )Tj +1.199 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.366 0 Td +(just )Tj +1.811 0 Td +(a )Tj +0.81 0 Td +(plain )Tj +/C2_0 1 Tf +2.478 0 Td +<005D>Tj +/TT0 1 Tf +(eld )Tj +2.2 0 Td +(with )Tj +2.2 0 Td +(matc)Tj +2.093 0 Td +(hing )Tj +2.2 0 Td +(type, )Tj +2.422 0 Td +(is )Tj +0.977 0 Td +(required )Tj +3.922 0 Td +(to )Tj +1.144 0 Td +(perform )Tj +3.699 0 Td +(the )Tj +-40.866 -1.44 Td +(injection. )Tj +4.299 0 Td +(A nai)Tj +2.261 0 Td +(v)Tj +0.488 0 Td +(e producer implementation could be like this:)Tj +/TT2 1 Tf +-7.048 -1.79 Td +(@javax.enterprise.inject.Produces)Tj +/TT1 1 Tf +0 -1.79 TD +(public int getHitsFlushIntervallInMinutes\(\) {)Tj +28.8 0 Td +( return 1;)Tj +-28.8 -1.79 Td +(})Tj +/TT0 1 Tf +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(hankfully)Tj +3.91 0 Td +(, CDI introduces additional meta-information \()Tj +/TT1 1 Tf +(InjectionPoint)Tj +/TT0 1 Tf +( in Listing 52\) )Tj +-6.221 -1.44 Td +(that can be passed to a producer method on demand.)Tj +/TT1 1 Tf +0 -1.79 TD +(@Startup)Tj +0 -1.79 TD +(@Singleton)Tj +T* +(public class Configuration {)Tj +T* +( private Map configuration;)Tj +T* +( @PostConstruct)Tj +T* +( public void fetchConfiguration\(\) {)Tj +T* +( this.configuration = new HashMap\(\) {{)Tj +T* +( put\("version", "0.5"\);)Tj +T* +( put\("hitsFlushRate", "1"\);)Tj +T* +( put\("referersFlushRate", "1"\);)Tj +T* +( }};)Tj +T* +( })Tj +0 -3.58 TD +( @javax.enterprise.inject.Produces)Tj +ET + +endstream +endobj +238 0 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Integer.parseInt\(stringValue\);)Tj +T* +( })Tj +0 -3.58 TD +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 52: )Tj +/C2_0 1 Tf +4.688 0 Td +<001D00010023003D0046003D004A0041003B0001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +8.38 0 Td +(ation Sour)Tj +4.379 0 Td +(ce)Tj +-15.647 -2.24 Td +(Using )Tj +2.883 0 Td +(a )Tj +0.882 0 Td +(slightly )Tj +/C2_0 1 Tf +3.439 0 Td +<00450047003C0041005D>Tj +/TT0 1 Tf +(ed )Tj +4.217 0 Td +(v)Tj +0.488 0 Td +(ersion )Tj +2.994 0 Td +(of )Tj +1.216 0 Td +(the )Tj +1.716 0 Td +(producer )Tj +4.272 0 Td +(with )Tj +2.272 0 Td +(an )Tj +/TT1 1 Tf +1.438 0 Td +(InjectionPoint)Tj +/TT0 1 Tf +( )Tj +8.784 0 Td +(par)Tj +1.377 0 Td +(ameter)Tj +2.87 0 Td +(, )Tj +0.66 0 Td +(as )Tj +-41.311 -1.44 Td +(demonstr)Tj +3.989 0 Td +(ated )Tj +2.161 0 Td +(with )Tj +2.217 0 Td +(the )Tj +1.661 0 Td +(method )Tj +/TT1 1 Tf +3.606 0 Td +(String )Tj +4.25 0 Td +(getString\(InjectionPoint )Tj +15.052 0 Td +(point)Tj +/TT0 1 Tf +(\) )Tj +3.606 0 Td +(in )Tj +1.161 0 Td +(Listing )Tj +3.106 0 Td +(52, )Tj +-40.81 -1.44 Td +(makes )Tj +3.059 0 Td +(the )Tj +/C2_0 1 Tf +1.671 0 Td +<003C003D005D>Tj +/TT0 1 Tf +(nition )Tj +4.451 0 Td +(of )Tj +1.171 0 Td +(a )Tj +0.837 0 Td +(custom )Tj +/C2_0 1 Tf +3.449 0 Td +<0049004D003900440041005D>Tj +/TT0 1 Tf +(er )Tj +3.894 0 Td +(obsolete. )Tj +4.154 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.393 0 Td +(InjectionPoint)Tj +/TT0 1 Tf +( )Tj +8.738 0 Td +(par)Tj +1.377 0 Td +(ameter )Tj +3.281 0 Td +(wr)Tj +1.099 0 Td +(aps )Tj +1.782 0 Td +(the )Tj +-40.866 -1.44 Td +(meta-information )Tj +7.727 0 Td +(about )Tj +2.727 0 Td +(the )Tj +/C2_0 1 Tf +1.615 0 Td +<005D>Tj +/TT0 1 Tf +(eld, )Tj +2.449 0 Td +(setter)Tj +2.204 0 Td +(, )Tj +0.559 0 Td +(or )Tj +1.17 0 Td +(constructor)Tj +4.761 0 Td +(. )Tj +0.559 0 Td +(It )Tj +0.837 0 Td +(is )Tj +0.948 0 Td +(also )Tj +2.004 0 Td +(possible )Tj +3.783 0 Td +(to )Tj +1.115 0 Td +(obtain )Tj +3.005 0 Td +(the )Tj +1.615 0 Td +(name )Tj +2.67 0 Td +(of )Tj +1.115 0 Td +(the)Tj +( )Tj +/C2_0 1 Tf +-40.866 -1.44 Td +<005D>Tj +/TT0 1 Tf +(eld, w)Tj +3.206 0 Td +(hic)Tj +1.316 0 Td +(h can used as a key for the lookup in a )Tj +/TT1 1 Tf +(Map)Tj +/TT0 1 Tf +(. )Tj +-2.722 -2.24 Td +(T)Tj +0.538 0 Td +(h)Tj +0.583 0 Td +(e )Tj +/TT1 1 Tf +1.291 0 Td +(C)Tj +0.627 0 Td +(o)Tj +0.627 0 Td +(n)Tj +0.627 0 Td +(f)Tj +0.627 0 Td +(i)Tj +0.627 0 Td +(g)Tj +0.627 0 Td +(u)Tj +0.627 0 Td +(r)Tj +0.627 0 Td +(a)Tj +0.627 0 Td +(t)Tj +0.627 0 Td +(i)Tj +0.627 0 Td +(o)Tj +0.627 0 Td +(n)Tj +/TT0 1 Tf +( )Tj +1.391 0 Td +(s)Tj +0.416 0 Td +(i)Tj +0.305 0 Td +(n)Tj +0.583 0 Td +(g)Tj +0.527 0 Td +(l)Tj +0.305 0 Td +(e)Tj +0.527 0 Td +(t)Tj +0.305 0 Td +(o)Tj +0.583 0 Td +(n )Tj +1.347 0 Td +(s)Tj +0.416 0 Td +(e)Tj +0.527 0 Td +(s)Tj +0.416 0 Td +(s)Tj +0.416 0 Td +(i)Tj +0.305 0 Td +(o)Tj +0.583 0 Td +(n )Tj +1.347 0 Td +(b)Tj +0.583 0 Td +(e)Tj +0.527 0 Td +(a)Tj +0.527 0 Td +(n )Tj +1.347 0 Td +(p)Tj +0.583 0 Td +(o)Tj +0.583 0 Td +(p)Tj +0.583 0 Td +(u)Tj +0.583 0 Td +(l)Tj +0.305 0 Td +(a)Tj +0.527 0 Td +(t)Tj +0.305 0 Td +(e)Tj +0.527 0 Td +(s )Tj +1.18 0 Td +(t)Tj +0.305 0 Td +(h)Tj +0.583 0 Td +(e )Tj +1.291 0 Td +(c)Tj +0.527 0 Td +(o)Tj +0.583 0 Td +(n)Tj +/C2_0 1 Tf +0.583 0 Td +<005D>Tj +/TT0 1 Tf +0.583 0 Td +(g)Tj +0.527 0 Td +(u)Tj +0.583 0 Td +(r)Tj +0.348 0 Td +(a)Tj +0.527 0 Td +(t)Tj +0.305 0 Td +(i)Tj +0.305 0 Td +(o)Tj +0.583 0 Td +(n )Tj +1.347 0 Td +(i)Tj +0.305 0 Td +(n )Tj +1.347 0 Td +(t)Tj +0.305 0 Td +(h)Tj +0.583 0 Td +(e)Tj +( )Tj +/TT1 1 Tf +-41.7 -1.44 Td +(@PostConstruct)Tj +/TT0 1 Tf +( )Tj +8.709 0 Td +(method. )Tj +3.828 0 Td +(All )Tj +1.531 0 Td +(v)Tj +0.476 0 Td +(alues )Tj +2.531 0 Td +(are )Tj +1.641 0 Td +(still )Tj +1.809 0 Td +(hard-coded, )Tj +5.532 0 Td +(but )Tj +1.698 0 Td +(they )Tj +2.142 0 Td +(reside )Tj +2.864 0 Td +(in )Tj +1.142 0 Td +(a )Tj +0.808 0 Td +(centr)Tj +2.155 0 Td +(al )Tj +1.086 0 Td +(class )Tj +2.364 0 Td +(with )Tj +-40.31 -1.44 Td +(a )Tj +0.877 0 Td +(meaningful )Tj +5.212 0 Td +(name. )Tj +3.044 0 Td +(In )Tj +1.211 0 Td +(the )Tj +/TT1 1 Tf +1.711 0 Td +(getString)Tj +/TT0 1 Tf +( )Tj +5.778 0 Td +(method, )Tj +3.934 0 Td +(the )Tj +1.711 0 Td +(name )Tj +2.766 0 Td +(of )Tj +1.211 0 Td +(the )Tj +/TT1 1 Tf +1.711 0 Td +(InjectionPoint)Tj +/TT0 1 Tf +( )Tj +8.778 0 Td +(is )Tj +1.044 0 Td +(used )Tj +2.378 0 Td +(to)Tj +( )Tj +-41.366 -1.44 Td +(look )Tj +2.423 0 Td +(up )Tj +1.645 0 Td +(the )Tj +1.867 0 Td +(corresponding )Tj +6.702 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.367 0 Td +(in )Tj +1.367 0 Td +(the )Tj +1.867 0 Td +(populated )Tj +/C2_0 1 Tf +4.869 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation. )Tj +2.905 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.589 0 Td +(remaining )Tj +4.867 0 Td +(getters )Tj +3.311 0 Td +(only )Tj +-40.31 -1.44 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(ert a string to the desired type.)Tj +ET + +endstream +endobj +241 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 242 0 R>>endobj +242 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(102)Tj +/TT1 1 Tf +0 Tc 0 Tw 12 0 0 12 57 593.2002 Tm +(Easy Extensibility for the Unlikely Case)Tj +/TT0 1 Tf +10 0 0 10 75 570.8002 Tm +(Sometimes, )Tj +5.396 0 Td +(it )Tj +1.007 0 Td +(might )Tj +2.896 0 Td +(be )Tj +1.507 0 Td +(necessary )Tj +4.618 0 Td +(to )Tj +1.285 0 Td +(load )Tj +2.341 0 Td +(the )Tj +/C2_0 1 Tf +1.785 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.619 0 Td +(from )Tj +2.451 0 Td +(external )Tj +3.896 0 Td +(data )Tj +2.285 0 Td +(sour)Tj +1.822 0 Td +(ces. )Tj +2.118 0 Td +(In )Tj +-41.366 -1.44 Td +(gener)Tj +2.377 0 Td +(al, )Tj +1.418 0 Td +(en)Tj +1.044 0 Td +(vironment-dependent )Tj +9.643 0 Td +(par)Tj +1.377 0 Td +(ameters, )Tj +3.973 0 Td +(suc)Tj +1.427 0 Td +(h )Tj +0.918 0 Td +(as )Tj +1.251 0 Td +(IP )Tj +1.196 0 Td +(addresses )Tj +4.474 0 Td +(and )Tj +1.974 0 Td +(pass)Tj +1.822 0 Td +(w)Tj +0.766 0 Td +(ords, )Tj +2.474 0 Td +(should )Tj +3.253 0 Td +(not )Tj +1.752 0 Td +(be )Tj +-41.144 -1.44 Td +(hard-coded. )Tj +5.672 0 Td +(En)Tj +1.044 0 Td +(vironmental )Tj +/C2_0 1 Tf +5.616 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.616 0 Td +(is )Tj +1.115 0 Td +(usually )Tj +3.505 0 Td +(maintained )Tj +5.283 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.948 0 Td +(administr)Tj +3.989 0 Td +(ators )Tj +2.504 0 Td +(or )Tj +1.337 0 Td +(oper)Tj +1.933 0 Td +(ations )Tj +-39.643 -1.44 Td +(without ha)Tj +4.584 0 Td +(ving access to the actual code.)Tj +-2.784 -2.24 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.494 0 Td +(a )Tj +0.882 0 Td +(minor )Tj +2.938 0 Td +(extension)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.745 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.438 0 Td +(external )Tj +3.827 0 Td +(data )Tj +2.216 0 Td +(sour)Tj +1.822 0 Td +(ces )Tj +1.771 0 Td +(can )Tj +1.938 0 Td +(be )Tj +1.438 0 Td +(loaded )Tj +3.328 0 Td +(and )Tj +1.994 0 Td +(merged )Tj +3.604 0 Td +(on )Tj +1.494 0 Td +(demand )Tj +-38.699 -1.44 Td +(with the hard)Tj +/TT2 1 Tf +(-)Tj +/TT0 1 Tf +(coded defaults: )Tj +/TT3 1 Tf +0 -1.79 TD +(public interface ConfigurationProvider {)Tj +T* +( public Map getConfiguration\(\);)Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 53: )Tj +4.688 0 Td +(Abstr)Tj +2.211 0 Td +(act of Implementation for an )Tj +12.468 0 Td +(Arbitr)Tj +/C2_0 1 Tf +2.433 0 Td +<0039004A00510001001F00470046005D>Tj +/TT0 1 Tf +(gur)Tj +5.323 0 Td +(ation Sour)Tj +4.379 0 Td +(ce )Tj +-29.702 -2.24 Td +(I)Tj +0.411 0 Td +(n )Tj +1.4 0 Td +(L)Tj +0.633 0 Td +(i)Tj +0.411 0 Td +(s)Tj +0.522 0 Td +(t)Tj +0.411 0 Td +(i)Tj +0.411 0 Td +(n)Tj +0.689 0 Td +(g )Tj +1.344 0 Td +(5)Tj +0.689 0 Td +(3)Tj +0.689 0 Td +(, )Tj +1.122 0 Td +(e)Tj +0.633 0 Td +(x)Tj +0.633 0 Td +(t)Tj +0.411 0 Td +(e)Tj +0.633 0 Td +(r)Tj +0.466 0 Td +(n)Tj +0.689 0 Td +(a)Tj +0.633 0 Td +(l )Tj +1.122 0 Td +(c)Tj +0.633 0 Td +(o)Tj +0.689 0 Td +(n)Tj +/C2_0 1 Tf +0.689 0 Td +<005D>Tj +/TT0 1 Tf +0.689 0 Td +(g)Tj +0.633 0 Td +(u)Tj +0.689 0 Td +(r)Tj +0.454 0 Td +(a)Tj +0.633 0 Td +(t)Tj +0.411 0 Td +(i)Tj +0.411 0 Td +(o)Tj +0.689 0 Td +(n )Tj +1.4 0 Td +(s)Tj +0.522 0 Td +(o)Tj +0.689 0 Td +(u)Tj +0.689 0 Td +(r)Tj +0.454 0 Td +(c)Tj +0.633 0 Td +(e)Tj +0.633 0 Td +(s )Tj +1.233 0 Td +(a)Tj +0.633 0 Td +(r)Tj +0.466 0 Td +(e )Tj +1.344 0 Td +(a)Tj +0.633 0 Td +(b)Tj +0.689 0 Td +(s)Tj +0.522 0 Td +(t)Tj +0.411 0 Td +(r)Tj +0.454 0 Td +(a)Tj +0.633 0 Td +(c)Tj +0.633 0 Td +(t)Tj +0.411 0 Td +(e)Tj +0.633 0 Td +(d )Tj +1.4 0 Td +(w)Tj +0.911 0 Td +(i)Tj +0.411 0 Td +(t)Tj +0.411 0 Td +(h )Tj +1.4 0 Td +(t)Tj +0.411 0 Td +(h)Tj +0.689 0 Td +(e )Tj +/TT3 1 Tf +-41.7 -1.44 Td +(ConfigurationProvider)Tj +/TT0 1 Tf +( )Tj +13.146 0 Td +(interface. )Tj +4.452 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.655 0 Td +(only )Tj +2.433 0 Td +(need )Tj +2.655 0 Td +(to )Tj +1.377 0 Td +(make )Tj +2.876 0 Td +(a )Tj +1.043 0 Td +(realization )Tj +5.1 0 Td +(of )Tj +1.377 0 Td +(the )Tj +1.877 0 Td +(interface )Tj +-38.477 -1.44 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(ailable )Tj +3.171 0 Td +(in )Tj +1.115 0 Td +(the )Tj +1.615 0 Td +(module )Tj +3.56 0 Td +(and )Tj +1.893 0 Td +(return )Tj +2.837 0 Td +(a )Tj +/TT3 1 Tf +0.781 0 Td +(Map)Tj +/TT0 1 Tf +( )Tj +11.083 0 Td +(from )Tj +2.281 0 Td +(a )Tj +/C2_0 1 Tf +0.781 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.449 0 Td +(sour)Tj +1.822 0 Td +(ce )Tj +1.281 0 Td +(of )Tj +1.115 0 Td +(y)Tj +0.482 0 Td +(our )Tj +-40.755 -1.44 Td +(c)Tj +0.482 0 Td +(hoice. )Tj +2.909 0 Td +(All implementations will be automatically disco)Tj +20.552 0 Td +(v)Tj +0.488 0 Td +(ered and included at startup.)Tj +/TT3 1 Tf +-24.431 -1.79 Td +(@Startup)Tj +0 -1.79 TD +(@Singleton)Tj +T* +(public class Configuration {)Tj +0 -3.58 TD +( private Map configuration;)Tj +0 -1.79 TD +( )Tj +T* +( )Tj +/TT4 1 Tf +(@Inject)Tj +T* +( private Instance configurationProvider;)Tj +/TT3 1 Tf +0 -3.58 TD +( @PostConstruct)Tj +0 -1.79 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+(URI )Tj +2.204 0 Td +(returns )Tj +3.482 0 Td +(the )Tj +1.871 0 Td +(w)Tj +0.76 0 Td +(hole )Tj +ET + +endstream +endobj +245 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 248 0 R>>endobj +246 0 obj<>endobj +247 0 obj<>endobj +248 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(104)Tj +/C2_0 1 Tf +0 Tc 0 Tw -20.132 57.06 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation content. )Tj +-1.745 -2.24 Td +(In our case, the hard-coded par)Tj +13.493 0 Td +(ameters w)Tj +4.377 0 Td +(ould look like JSON format: )Tj +/TT1 1 Tf +-19.67 -2.12 Td +({hitsFlushRate=1, referersFlushRate=1, version=0.5})Tj +/TT0 1 Tf +1.8 -2.24 Td +(A )Tj +0.993 0 Td +(GET )Tj +2.16 0 Td +(request )Tj +3.438 0 Td +(to )Tj +/TT1 1 Tf +1.16 0 Td +(/configuration/version)Tj +/TT0 1 Tf +( )Tj +13.528 0 Td +(returns )Tj +3.271 0 Td +(the )Tj +1.66 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.16 0 Td +(of )Tj +/TT1 1 Tf +1.16 0 Td +(0.5)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +2.126 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(rmed )Tj +4.716 0 Td +(with )Tj +2.216 0 Td +(the )Tj +-40.866 -1.44 Td +(HTTP )Tj +2.823 0 Td +(code )Tj +2.489 0 Td +(200 )Tj +2.045 0 Td +(\(OK\). )Tj +2.581 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.433 0 Td +(v)Tj +0.488 0 Td +(ersion )Tj +2.989 0 Td +(entry )Tj +2.544 0 Td +(could )Tj +2.823 0 Td +(be )Tj +1.433 0 Td +(deleted )Tj +3.545 0 Td +(with )Tj +2.267 0 Td +(the )Tj +1.711 0 Td +(HTTP )Tj +2.823 0 Td +(DELETE )Tj +3.711 0 Td +(request )Tj +3.489 0 Td +(and )Tj +1.989 0 Td +(a )Tj +-41.7 -1.44 Td +(command suc)Tj +6.039 0 Td +(h as this:)Tj +/TT1 1 Tf +-6.039 -2.12 Td +(curl -i -X DELETE [http://localhost:8080/x-ray/]resources/)Tj +0 -1.32 TD +(configuration/version)Tj +/C2_0 1 Tf +1.8 -2.24 Td +<001D0001004B004D003B003B003D004B004B003E004D004400010020002100280021003000210001003B00390044004400010041004B0001003B00470046005D>Tj +/TT0 1 Tf +(rmed with HTTP code 204 \(No Content\))Tj +/TT2 1 Tf +(.)Tj +/TT0 1 Tf +0 -2.24 TD +(T)Tj +0.456 0 Td +(o )Tj +0.923 0 Td +(manage )Tj +3.756 0 Td +(a )Tj +/C2_0 1 Tf +0.867 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation, )Tj +2.813 0 Td +(there )Tj +2.534 0 Td +(is )Tj +1.034 0 Td +(no )Tj +1.479 0 Td +(need )Tj +2.479 0 Td +(to )Tj +1.201 0 Td +(distinguish )Tj +4.981 0 Td +(between )Tj +4.035 0 Td +(creating )Tj +3.812 0 Td +(a )Tj +0.867 0 Td +(new )Tj +2.201 0 Td +(entry )Tj +2.534 0 Td +(or )Tj +-41.311 -1.44 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erwriting )Tj +4.343 0 Td +(an )Tj +1.565 0 Td +(existing )Tj +3.788 0 Td +(one. )Tj +2.399 0 Td +(F)Tj +0.455 0 Td +(or )Tj +1.398 0 Td +(suc)Tj +1.427 0 Td +(h )Tj +1.065 0 Td +(\223sa)Tj +1.303 0 Td +(v)Tj +0.488 0 Td +(e )Tj +1.009 0 Td +(or )Tj +1.398 0 Td +(update\224 )Tj +3.899 0 Td +(semantics)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.982 0 Td +(the )Tj +1.843 0 Td +(HTTP )Tj +2.955 0 Td +(PUT )Tj +2.399 0 Td +(method )Tj +3.788 0 Td +(is )Tj +/C2_0 1 Tf +-41.533 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@WT}!2۩B73\7S8yctc#JOqSP@ܣH!Vo ш raj)lFo|:}Q{?h5një(l,&ER_{QH) 9ni"UtZ%Ii(Vo]@ P{?}YJTc7l ɟ#"D$Ũ&1 +1Me_xnR4/JżKm yz>(o9.~nvL=t(2{6\A>Zcixe煑 jI;WGMC/20D*,-o|EvLΰ?WLUuި7aC$$e5؅_A2ʩj[`֙:?A;.KLK4Lq\<ԏޢJ''P_(:l3˖V³F۽7qap ćV>@6(*4џ'sOErNjbT'fYko0| 4#[N))W!aMaCi,yVJ)2VFETJP%;ܑ UzOU)1gaKXKuuu׍/yyZy:yF{N3zޠ*]TJ^e$ux)(N.r+Ab؆8(;op ߉\ 쭦Ab +&xHT@%Mմܴj(TGE~G@ƱI +L~WZwJ|Uv JVSYjZvoiUǂ!9 +5F1΂$3XdϒglܰZT֭V-RR¸ԅ_/mt*Q#Z8k\)NS[%x`8I{ ǘV+g,:Ļz +j&WK-̡T+5ÅѠW95Ta9%l~KEvqXJCTSz8=P[+# }oD0.KߏD—Q>eTcXh=">S>CuR39Qs܏ǩhz`P +yH[T)+iDnUGܨq.CQ4TuD& wLpԑExu7lZS~uHQ;`()Eշny{N$+ ƻN!*pkOV|3M?8M '.B$6{lz|IuI$csT!6)w`pt5Cϖșr(F}FpߘY/"{6'[ T.U4t2&~pܠb^={t5&:*KNa۵m:[o94avwDۈp$'xl~ְ_۸Mf_[ƋeY?ْ10&t]4ndKv&=I_ޤ7=4T^;snʰ;f.rf$| Y1ѨO4QPM8jR_i.N8֎DntMrLs& MvSBcQM&Hh:mIp[OFr{utŻ01#$$4r{h?46뎿7xbc|}f^|̂Ya0l@jrH!Ji 4m6xcsXT_ Ҧ*Tlovqp?T;_;J7*=jhY(ǽ_A:1> HχԠ[vҦc=,l<uuR![=i%jV++%ÙJS[<ͱy((388Ϝs]CF&iihX;a_/0d[$o_ +u`ٕlȷ]Y9y;kkc! +O^REW >! d<k#,1b55eCʹ{{{[ْ6WWڱ;iyE=wmR??]=3yZX-9Z؉[.}*N%lEʝv-FG'7{{yK|v26S^6C^%"a&tlN;թȝV5flWbh[:jX/&[6Уc&=iKz +LP(ϋhU4 +voy*Jz Z7 )4HT '+aAFhe0wU{^֖g6Lm~-U(68Y,金рs\E%7,ųN ),6.Cn)|(wmEl7G2, +}Mhv;t7;څC- e'Q'n.HG2'jhTG%g]i,p,EJYCRKf7ź`߬oPsIbnk7C +,Һ0x)u?CU ErB Q< UJ:o0ffb wY  'tݳ;/? J?pG"nt(?tt~Ha8pb힕dŝƒK=W_.&eGpu7;x85`\~ACn+,#}* +3 ut!16C.d2M2 T̺d?1<KfnJIJk!Y$֚OeS%wj*WWrd5ar8+ 4È9g:btmy6 f!Ut!_TC J*lK< '6Lkp.8Z1$T_lpT*Uw9_l@I'v!)c,V ߭b%,SaF'_?-/ɯ9VMͼKU9  L +endstream +endobj +250 0 obj<>endobj +251 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 252 0 R>>endobj +252 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(105)Tj +0 Tc 0 Tw -20.132 57.06 Td +(exposed )Tj +4.155 0 Td +(via )Tj +1.876 0 Td +(J)Tj +0.26 0 Td +(AX-RS. )Tj +3.524 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.654 0 Td +(REST )Tj +2.765 0 Td +(beha)Tj +2.082 0 Td +(vior )Tj +/C2_0 1 Tf +2.265 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(ed )Tj +4.433 0 Td +(abo)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(e )Tj +1.098 0 Td +(can )Tj +2.154 0 Td +(be )Tj +1.654 0 Td +(directly )Tj +3.821 0 Td +(realized )Tj +4.043 0 Td +(with )Tj +2.488 0 Td +(the )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(Configuration)Tj +/C2_0 1 Tf +<0001003B00440039004B004B000B00010025004C000100400039004B0001004C00470001003A003D00010045003900480048003D003C0001004C00470001003900010031002E00250001005D>Tj +/TT0 1 Tf +(rst, as sho)Tj +28.076 0 Td +(wn in Listing 55:)Tj +/TT1 1 Tf +-28.076 -1.79 Td +(@Startup)Tj +0 -1.79 TD +(@Singleton)Tj +/TT2 1 Tf +0 -1.79 TD +(@Path\("configuration"\))Tj +0 -1.79 TD +(@Produces\(TEXT_PLAIN\))Tj +/TT1 1 Tf +T* +(public class Configuration {})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 55: Mapping a Resour)Tj +12.549 0 Td +(ce to a URI)Tj +-10.749 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.487 0 Td +(@Produces)Tj +/TT0 1 Tf +( )Tj +5.832 0 Td +(annotation )Tj +5.045 0 Td +(sets )Tj +1.987 0 Td +(the )Tj +1.765 0 Td +(default )Tj +3.377 0 Td +(mime )Tj +2.875 0 Td +(type )Tj +2.265 0 Td +(for )Tj +1.598 0 Td +(all )Tj +1.487 0 Td +(methods )Tj +4.099 0 Td +(inside )Tj +2.988 0 Td +(the )Tj +1.765 0 Td +(class )Tj +2.487 0 Td +(to )Tj +/TT1 1 Tf +-41.366 -1.44 Td +(String)Tj +/TT0 1 Tf +(. )Tj +4.375 0 Td +(Whatev)Tj +3.322 0 Td +(er )Tj +1.366 0 Td +(the )Tj +1.867 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.255 0 Td +(methods )Tj +4.201 0 Td +(return )Tj +3.089 0 Td +(will )Tj +2.145 0 Td +(be )Tj +1.589 0 Td +(interpreted )Tj +5.201 0 Td +(as )Tj +1.422 0 Td +(a )Tj +1.033 0 Td +(string. )Tj +3.108 0 Td +(A )Tj +1.2 0 Td +(GET )Tj +/TT1 1 Tf +2.367 0 Td +([\205]/)Tj +-39.8 -1.44 Td +(configuration)Tj +/TT0 1 Tf +( request w)Tj +12.235 0 Td +(ould cause the in)Tj +7.381 0 Td +(v)Tj +0.482 0 Td +(ocation of the follo)Tj +8.16 0 Td +(wing method:)Tj +/TT1 1 Tf +-28.258 -1.79 Td +( @GET)Tj +0 -1.79 TD +( public String getConfiguration\(\) {)Tj +T* +( return this.configuration.toString\(\);)Tj +T* +( })Tj +/TT0 1 Tf +1.8 -2.24 Td +(It )Tj +0.865 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.255 0 Td +(also )Tj +2.032 0 Td +(return )Tj +2.865 0 Td +(to )Tj +1.143 0 Td +(the )Tj +1.643 0 Td +(user )Tj +2.087 0 Td +(the )Tj +1.643 0 Td +(w)Tj +0.76 0 Td +(hole )Tj +/C2_0 1 Tf +2.199 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.477 0 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(erted )Tj +2.476 0 Td +(to )Tj +1.143 0 Td +(a )Tj +0.809 0 Td +(string. )Tj +2.921 0 Td +(In )Tj +1.143 0 Td +(our )Tj +1.754 0 Td +(case)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.448 0 Td +(the )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(java.util.Map#toString)Tj +/TT0 1 Tf +( )Tj +13.609 0 Td +(method )Tj +3.686 0 Td +(is )Tj +1.074 0 Td +(used )Tj +2.408 0 Td +(to )Tj +1.241 0 Td +(serialize )Tj +3.963 0 Td +(the )Tj +1.741 0 Td +(content )Tj +3.631 0 Td +(of )Tj +1.241 0 Td +(the )Tj +/C2_0 1 Tf +1.741 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.575 0 Td +(to )Tj +1.241 0 Td +(a )Tj +-41.7 -1.44 Td +(string)Tj +/TT3 1 Tf +(.)Tj +/TT0 1 Tf +1.8 -2.24 Td +(An entry for a gi)Tj +6.929 0 Td +(v)Tj +0.488 0 Td +(en key is fetc)Tj +5.595 0 Td +(hed using the )Tj +/TT1 1 Tf +(@PathParam\(\223key\224\))Tj +/TT0 1 Tf +( with a )Tj +/TT1 1 Tf +(@Path)Tj +-14.812 -1.44 Td +(\("{key}"\))Tj +/TT0 1 Tf +( template in the method )Tj +/TT1 1 Tf +(getEntry)Tj +/TT0 1 Tf +(:)Tj +/TT1 1 Tf +T* +( @GET)Tj +T* +( @Path\("{key}"\))Tj +T* +( public String getEntry\(@PathParam\("key"\) String key\) {)Tj +T* +( return configuration.get\(key\);)Tj +T* +( })Tj +/TT0 1 Tf +1.8 -2.24 Td +(Creating )Tj +4.147 0 Td +(or )Tj +1.424 0 Td +(modifying )Tj +4.87 0 Td +(an )Tj +1.591 0 Td +(entry )Tj +2.702 0 Td +(requires )Tj +3.98 0 Td +(returning )Tj +4.425 0 Td +(different )Tj +4.092 0 Td +(responses )Tj +4.703 0 Td +(for )Tj +1.702 0 Td +(eac)Tj +1.482 0 Td +(h )Tj +1.091 0 Td +(case. )Tj +2.628 0 Td +(T)Tj +0.511 0 Td +(he )Tj +-41.144 -1.44 Td +(method )Tj +/TT1 1 Tf +3.732 0 Td +(addEntry)Tj +/TT0 1 Tf +( )Tj +5.254 0 Td +(returns )Tj +3.398 0 Td +(either )Tj +2.898 0 Td +(an )Tj +1.509 0 Td +(HTTP )Tj +2.899 0 Td +(204 )Tj +2.121 0 Td +(\(No )Tj +2.065 0 Td +(Content)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.094 0 Td +(for )Tj +1.62 0 Td +(an )Tj +1.509 0 Td +(update\) )Tj +3.677 0 Td +(or )Tj +1.342 0 Td +(an )Tj +1.509 0 Td +(HTTP )Tj +2.899 0 Td +(201 )Tj +-40.532 -1.44 Td +(\(Created, )Tj +4.336 0 Td +(for )Tj +1.613 0 Td +(adding )Tj +3.392 0 Td +(a )Tj +0.946 0 Td +(new )Tj +2.28 0 Td +(entry\) )Tj +2.891 0 Td +(with )Tj +2.336 0 Td +(an )Tj +1.502 0 Td +(appropriately )Tj +6.17 0 Td +(set )Tj +1.613 0 Td +(location )Tj +3.948 0 Td +(header )Tj +3.391 0 Td +(to )Tj +1.28 0 Td +(the )Tj +1.78 0 Td +(URI )Tj +2.113 0 Td +(of )Tj +1.28 0 Td +(the )Tj +-40.866 -1.44 Td +(created element, as sho)Tj +10.102 0 Td +(wn in Listing 56:)Tj +/TT1 1 Tf +-10.102 -1.79 Td +( @PUT)Tj +T* +( @Path\("{key}"\))Tj +0 -1.79 TD +( @Consumes\(TEXT_PLAIN\))Tj +ET + +endstream +endobj +253 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 255 0 R>>endobj +254 0 obj<>endobj +255 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(106)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( public Response addEntry\(@PathParam\("key"\) String key, String )Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 624.2002 Tm +(value, @Context UriInfo uriInfo\) {)Tj +0 -1.79 TD +( Response response = null;)Tj +T* +( if\(this.configuration.containsKey\(key\)\){)Tj +T* +( response = Response.noContent\(\).build\(\);)Tj +T* +( }else{)Tj +T* +( URI uri = uriInfo.getAbsolutePathBuilder\(\).build\(key\);)Tj +T* +( response= Response.created\(uri\).build\(\);)Tj +T* +( })Tj +T* +( this.configuration.put\(key, value\);)Tj +T* +( return response;)Tj +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 56: Different Response Codes for Create or Update)Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.357 0 Td +(method )Tj +/TT1 1 Tf +3.58 0 Td +(deleteEntry)Tj +/TT0 1 Tf +( )Tj +6.903 0 Td +(uses, )Tj +2.413 0 Td +(v)Tj +0.488 0 Td +(ery )Tj +1.634 0 Td +(similarly )Tj +3.968 0 Td +(to )Tj +/TT1 1 Tf +1.135 0 Td +(getEntry)Tj +/TT0 1 Tf +(, )Tj +5.38 0 Td +(the )Tj +/TT1 1 Tf +1.635 0 Td +(PathParam)Tj +/TT0 1 Tf +( )Tj +5.702 0 Td +(to )Tj +1.135 0 Td +(remo)Tj +2.21 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.801 0 Td +(an )Tj +-41.144 -1.44 Td +(entry from the )Tj +/TT1 1 Tf +(Map)Tj +/TT0 1 Tf +( with the gi)Tj +12.953 0 Td +(v)Tj +0.488 0 Td +(en key:)Tj +/TT1 1 Tf +-13.441 -1.79 Td +( @DELETE)Tj +0 -1.79 TD +( @Path\("{key}"\))Tj +T* +( public Response deleteEntry\(@PathParam\("key"\) String key\) {)Tj +T* +( this.configuration.remove\(key\);)Tj +T* +( return Response.noContent\(\).build\(\);)Tj +T* +( })Tj +/TT0 1 Tf +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.692 0 Td +(producer )Tj +4.526 0 Td +(methods )Tj +4.304 0 Td +(\(annotated )Tj +5.194 0 Td +(with )Tj +/TT1 1 Tf +2.526 0 Td +(@Produces)Tj +/TT0 1 Tf +(\) )Tj +6.315 0 Td +(are )Tj +1.969 0 Td +(not )Tj +2.026 0 Td +(denoted )Tj +4.138 0 Td +(with )Tj +2.526 0 Td +(an)Tj +1.038 0 Td +(y )Tj +1.136 0 Td +(scope)Tj +( )Tj +-39.699 -1.44 Td +(declar)Tj +2.655 0 Td +(ation )Tj +2.596 0 Td +(and)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.29 0 Td +(therefore)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.512 0 Td +(they )Tj +2.262 0 Td +(are )Tj +1.761 0 Td +(executed )Tj +4.318 0 Td +(in )Tj +1.262 0 Td +(scope )Tj +2.929 0 Td +(dependent )Tj +4.986 0 Td +(on )Tj +1.54 0 Td +(their )Tj +2.373 0 Td +(injection )Tj +4.208 0 Td +(points. )Tj +3.282 0 Td +(An )Tj +/C2_0 1 Tf +-40.977 -1.44 Td +<004D0046003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +6.076 0 Td +(producer )Tj +4.241 0 Td +(is )Tj +1.018 0 Td +(defaulted )Tj +4.353 0 Td +(to )Tj +/TT1 1 Tf +1.185 0 Td +(@Dependent)Tj +/TT0 1 Tf +( )Tj +6.352 0 Td +(scope. )Tj +/TT1 1 Tf +3.13 0 Td +(RequestScoped)Tj +/TT0 1 Tf +( )Tj +8.152 0 Td +(beans )Tj +2.852 0 Td +(could )Tj +2.797 0 Td +(ev)Tj +0.988 0 Td +(en)Tj +( )Tj +-41.144 -1.44 Td +(be )Tj +/C2_0 1 Tf +1.461 0 Td +<004A003D003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +5.851 0 Td +(on )Tj +1.517 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +1.738 0 Td +(request, )Tj +3.795 0 Td +(and )Tj +/TT1 1 Tf +2.017 0 Td +(SessionScoped)Tj +/TT0 1 Tf +( )Tj +8.207 0 Td +(beans )Tj +2.906 0 Td +(could )Tj +2.851 0 Td +(be )Tj +/C2_0 1 Tf +1.461 0 Td +<004A003D003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +5.851 0 Td +(on )Tj +1.517 0 Td +(eac)Tj +1.482 0 Td +(h )Tj +-41.644 -1.44 Td +(new )Tj +2.335 0 Td +(session. )Tj +3.799 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.613 0 Td +(J)Tj +0.26 0 Td +(AX-RS )Tj +3.223 0 Td +(and )Tj +2.113 0 Td +(CDI)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.474 0 Td +(it )Tj +1.057 0 Td +(is )Tj +1.168 0 Td +(ev)Tj +0.988 0 Td +(en )Tj +1.557 0 Td +(possible )Tj +4.003 0 Td +(to )Tj +/C2_0 1 Tf +1.335 0 Td +<004A003D003B00470046005D>Tj +/TT0 1 Tf +(gure )Tj +5.391 0 Td +(parts )Tj +2.557 0 Td +(of )Tj +1.335 0 Td +(the )Tj +1.835 0 Td +(system )Tj +3.39 0 Td +(at )Tj +-41.422 -1.44 Td +(runtime)Tj +/TT2 1 Tf +(.)Tj +/TT3 1 Tf +12 0 0 12 57 152.6003 Tm +(Logger Injection)Tj +/TT0 1 Tf +10 0 0 10 75 130.2003 Tm +(A )Tj +1.385 0 Td +(centr)Tj +2.155 0 Td +(alized )Tj +/C2_0 1 Tf +3.33 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.886 0 Td +(should )Tj +3.609 0 Td +(also )Tj +2.441 0 Td +(contain )Tj +3.942 0 Td +(log )Tj +2.052 0 Td +(settings. )Tj +4.164 0 Td +(In )Tj +1.552 0 Td +(gener)Tj +2.377 0 Td +(al)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +1.746 0 Td +(the )Tj +2.052 0 Td +(logging )Tj +/C2_0 1 Tf +-39.032 -1.44 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gur)Tj +3.545 0 Td +(ation )Tj +2.77 0 Td +(is )Tj +1.269 0 Td +(externalized )Tj +5.881 0 Td +(into )Tj +2.27 0 Td +(a )Tj +1.102 0 Td +(standalone )Tj +/C2_0 1 Tf +5.271 0 Td +<005D>Tj +/TT0 1 Tf +(le. )Tj +2.214 0 Td +(In )Tj +1.436 0 Td +(the )Tj +1.936 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +1.102 0 Td +(case)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.741 0 Td +(the )Tj +1.936 0 Td +(most )Tj +2.658 0 Td +(interesting )Tj +-37.754 -1.44 Td +(information )Tj +5.389 0 Td +(is )Tj +1.054 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.887 0 Td +(published )Tj +4.612 0 Td +(to )Tj +1.221 0 Td +(JMX. )Tj +2.369 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.443 0 Td +(log )Tj +/C2_0 1 Tf +1.721 0 Td +<005D>Tj +/TT0 1 Tf +(les )Tj +2.11 0 Td +(are )Tj +1.72 0 Td +(used )Tj +2.388 0 Td +(only )Tj +2.277 0 Td +(to )Tj +1.221 0 Td +(tr)Tj +0.599 0 Td +(ac)Tj +0.982 0 Td +(k )Tj +0.887 0 Td +(possible )Tj +3.889 0 Td +(problems, )Tj +-37.921 -1.44 Td +(but )Tj +1.73 0 Td +(they )Tj +2.174 0 Td +(are )Tj +1.673 0 Td +(disabled )Tj +3.953 0 Td +(in )Tj +1.174 0 Td +(production )Tj +5.065 0 Td +(mode. )Tj +3.026 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.452 0 Td +(the )Tj +1.674 0 Td +(inclusion )Tj +4.287 0 Td +(of )Tj +1.174 0 Td +(logging )Tj +3.508 0 Td +(settings )Tj +3.508 0 Td +(into )Tj +2.008 0 Td +(the )Tj +1.674 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +ET + +endstream +endobj +256 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 257 0 R>>endobj +257 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(107)Tj +0 Tc 0 Tw -20.132 57.06 Td +(described )Tj +/TT1 1 Tf +(Configuration)Tj +/TT0 1 Tf +(, maintainability could ev)Tj +23.24 0 Td +(en be further increased.)Tj +-21.44 -2.24 Td +(T)Tj +0.456 0 Td +(o )Tj +0.902 0 Td +(meet )Tj +2.457 0 Td +(the )Tj +1.68 0 Td +(requirement)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +5.819 0 Td +(all )Tj +/TT1 1 Tf +1.402 0 Td +(Logger)Tj +/TT0 1 Tf +( )Tj +3.947 0 Td +(instances )Tj +4.292 0 Td +(are )Tj +1.679 0 Td +(going )Tj +2.736 0 Td +(to )Tj +1.18 0 Td +(be )Tj +1.402 0 Td +(injected. )Tj +4.033 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.458 0 Td +(injection)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.376 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +-41.088 -1.44 Td +(c)Tj +0.524 0 Td +(a)Tj +0.524 0 Td +(n )Tj +1.346 0 Td +(s)Tj +0.401 0 Td +(w)Tj +0.784 0 Td +(a)Tj +0.524 0 Td +(p )Tj +1.346 0 Td +(a )Tj +1.29 0 Td +(l)Tj +0.302 0 Td +(o)Tj +0.58 0 Td +(g)Tj +0.524 0 Td +(g)Tj +0.524 0 Td +(e)Tj +0.524 0 Td +(r )Tj +1.123 0 Td +(i)Tj +0.302 0 Td +(m)Tj +0.857 0 Td +(p)Tj +0.58 0 Td +(l)Tj +0.302 0 Td +(e)Tj +0.524 0 Td +(m)Tj +0.857 0 Td +(e)Tj +0.524 0 Td +(n)Tj +0.58 0 Td +(t)Tj +0.302 0 Td +(a)Tj +0.524 0 Td +(t)Tj +0.302 0 Td +(i)Tj +0.302 0 Td +(o)Tj +0.58 0 Td +(n )Tj +1.346 0 Td +(w)Tj +0.802 0 Td +(i)Tj +0.302 0 Td +(t)Tj +0.302 0 Td +(h)Tj +0.58 0 Td +(o)Tj +0.58 0 Td +(u)Tj +0.58 0 Td +(t )Tj +1.068 0 Td +(c)Tj +0.506 0 Td +(h)Tj +0.58 0 Td +(a)Tj +0.524 0 Td +(n)Tj +0.58 0 Td +(g)Tj +0.524 0 Td +(i)Tj +0.302 0 Td +(n)Tj +0.58 0 Td +(g )Tj +1.29 0 Td +(t)Tj +0.302 0 Td +(h)Tj +0.58 0 Td +(e )Tj +1.29 0 Td +(c)Tj +0.524 0 Td +(l)Tj +0.302 0 Td +(i)Tj +0.302 0 Td +(e)Tj +0.524 0 Td +(n)Tj +0.58 0 Td +(t )Tj +1.068 0 Td +(c)Tj +0.524 0 Td +(o)Tj +0.58 0 Td +(d)Tj +0.58 0 Td +(e)Tj +0.524 0 Td +(. )Tj +1.068 0 Td +(D)Tj +0.802 0 Td +(i)Tj +0.302 0 Td +(f)Tj +0.302 0 Td +(f)Tj +0.302 0 Td +(e)Tj +0.524 0 Td +(r)Tj +0.357 0 Td +(e)Tj +0.524 0 Td +(n)Tj +0.58 0 Td +(t )Tj +1.068 0 Td +(l)Tj +0.302 0 Td +(o)Tj 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0 Td +(r)Tj +/TT0 1 Tf +( )Tj +1.379 0 Td +(i)Tj +0.28 0 Td +(n)Tj +0.558 0 Td +(s)Tj +0.391 0 Td +(t)Tj +0.28 0 Td +(a)Tj +0.502 0 Td +(n)Tj +0.558 0 Td +(c)Tj +0.502 0 Td +(e )Tj +1.279 0 Td +(a)Tj +0.502 0 Td +(n)Tj +0.558 0 Td +(d )Tj +1.335 0 Td +(d)Tj +0.558 0 Td +(e)Tj +0.502 0 Td +(l)Tj +0.28 0 Td +(e)Tj +0.502 0 Td +(g)Tj +0.502 0 Td +(a)Tj +0.502 0 Td +(t)Tj +0.28 0 Td +(e)Tj +0.502 0 Td +(s )Tj +1.168 0 Td +(a)Tj +0.502 0 Td +(l)Tj +0.28 0 Td +(l)Tj +( )Tj +-41.922 -1.44 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(ocations to it \(see Listing 59\).)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 76.9002 Tm +(public class DelegatingLogger implements XRayLogger{)Tj +ET +Q + +endstream +endobj +258 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 259 0 R>>endobj +259 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(108)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( )Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +( private Logger logger;)Tj +0 -3.58 TD +( public DelegatingLogger\(Logger logger\) {)Tj +0 -1.79 TD +( this.logger = logger;)Tj +T* +( })Tj +T* +( )Tj +T* +( public void log\(Level level, String message, Object[] params\){)Tj +T* +( this.logger.log\(level, message, params\);)Tj +T* +( })Tj +0 -3.58 TD +( public Logger getLogger\(\) {)Tj +0 -1.79 TD +( return logger;)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 59: ja)Tj +5.473 0 Td +(v)Tj +0.476 0 Td +(a.util.Logging )Tj +6.077 0 Td +(Wr)Tj +1.321 0 Td +(apper)Tj +/TT1 1 Tf +-11.547 -2.24 Td +(DelegatingLogger)Tj +/TT0 1 Tf +( )Tj +9.905 0 Td +(is )Tj +0.971 0 Td +(the )Tj +1.638 0 Td +(\223debugging\224 )Tj +5.694 0 Td +(setup )Tj +2.583 0 Td +(w)Tj +0.76 0 Td +(here )Tj +2.193 0 Td +(all )Tj +1.36 0 Td +(log )Tj +1.638 0 Td +(messages )Tj +4.304 0 Td +(are )Tj +1.637 0 Td +(actually )Tj +3.694 0 Td +(passed )Tj +3.194 0 Td +(to)Tj +( )Tj +-41.366 -1.44 Td +(t)Tj +0.301 0 Td +(h)Tj +0.579 0 Td +(e )Tj +1.289 0 Td +(r)Tj +0.356 0 Td +(e)Tj +0.523 0 Td +(a)Tj +0.523 0 Td +(l )Tj +1.067 0 Td +(l)Tj +0.301 0 Td +(o)Tj +0.579 0 Td +(g )Tj +1.289 0 Td +(s)Tj +0.412 0 Td +(y)Tj +0.523 0 Td +(s)Tj +0.412 0 Td +(t)Tj +0.301 0 Td +(e)Tj +0.523 0 Td +(m)Tj +0.856 0 Td +(. )Tj +1.067 0 Td +(I)Tj +0.301 0 Td +(n )Tj +1.345 0 Td +(p)Tj +0.579 0 Td +(r)Tj +0.356 0 Td +(o)Tj +0.579 0 Td +(d)Tj +0.579 0 Td +(u)Tj +0.579 0 Td +(c)Tj +0.523 0 Td +(t)Tj +0.301 0 Td +(i)Tj +0.301 0 Td +(o)Tj +0.579 0 Td +(n)Tj +/TT2 1 Tf +0.579 0 Td +(,)Tj +/TT0 1 Tf +( )Tj +1.039 0 Td +(a )Tj +1.289 0 Td +(\223)Tj +/TT1 1 Tf +0.467 0 Td +(/)Tj +0.623 0 Td +(d)Tj +0.623 0 Td +(e)Tj +0.623 0 Td +(v)Tj +0.623 0 Td +(/)Tj +0.623 0 Td +(n)Tj +0.623 0 Td +(u)Tj +0.623 0 Td +(l)Tj +/TT0 1 Tf +0.623 0 Td +(l)Tj +0.301 0 Td +(\224 )Tj +1.233 0 Td +(i)Tj +0.301 0 Td +(m)Tj +0.856 0 Td +(p)Tj +0.579 0 Td +(l)Tj +0.301 0 Td +(e)Tj +0.523 0 Td +(m)Tj +0.856 0 Td +(e)Tj +0.523 0 Td +(n)Tj +0.579 0 Td +(t)Tj +0.301 0 Td +(a)Tj +0.523 0 Td +(t)Tj +0.301 0 Td +(i)Tj +0.301 0 Td +(o)Tj +0.579 0 Td +(n )Tj +1.345 0 Td +(o)Tj +0.579 0 Td +(f )Tj +1.067 0 Td +(t)Tj +0.301 0 Td +(h)Tj +0.579 0 Td +(e )Tj +/TT1 1 Tf +1.289 0 Td +(L)Tj +0.623 0 Td +(o)Tj +0.623 0 Td +(g)Tj +0.623 0 Td +(g)Tj +0.623 0 Td +(e)Tj +0.623 0 Td +(r)Tj +/TT0 1 Tf +( )Tj +-41.6 -1.44 Td +(implementation is used \(see Listing 60\). )Tj +/TT1 1 Tf +0 -1.79 TD +(@Alternative)Tj +0 -1.79 TD +(public class DevNullLogger implements XRayLogger{)Tj +T* +( @Override)Tj +T* +( public void log\(Level INFO, String string, Object[] object\) {)Tj +T* +( //ignore everything)Tj +T* +( })Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public Logger getLogger\(\) {)Tj +T* +( return null;)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 60: Null-Object Implementation of XRa)Tj +20.033 0 Td +(yLogger)Tj +ET + +endstream +endobj +260 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 261 0 R>>endobj +261 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(109)Tj +/TT1 1 Tf +0 Tc 0 Tw -18.332 57.06 Td +(DevNullLogger)Tj +/TT0 1 Tf +( )Tj +8.153 0 Td +(is )Tj +1.019 0 Td +(denoted )Tj +3.854 0 Td +(with )Tj +2.242 0 Td +(the )Tj +/TT1 1 Tf +1.686 0 Td +(@Alternative)Tj +/TT0 1 Tf +( )Tj +7.553 0 Td +(annotation )Tj +4.966 0 Td +(and )Tj +1.964 0 Td +(so )Tj +1.297 0 Td +(it )Tj +0.908 0 Td +(is )Tj +1.019 0 Td +(disabled. )Tj +(T)Tj +4.68 0 Td +(he )Tj +/TT1 1 Tf +-41.144 -1.44 Td +(@Alternative)Tj +/TT0 1 Tf +( )Tj +7.715 0 Td +(annotation )Tj +5.128 0 Td +(for)Tj +1.155 0 Td +(ces )Tj +1.903 0 Td +(the )Tj +1.848 0 Td +(container )Tj +4.571 0 Td +(to )Tj +1.348 0 Td +(use )Tj +1.959 0 Td +(the )Tj +/TT1 1 Tf +1.848 0 Td +(LoggerProducer)Tj +/TT0 1 Tf +( )Tj +8.916 0 Td +(to )Tj +1.348 0 Td +(create )Tj +3.125 0 Td +(the )Tj +-40.866 -1.44 Td 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+(alw)Tj +1.538 0 Td +(a)Tj +0.47 0 Td +(ys )Tj +1.505 0 Td +(run )Tj +2.061 0 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(eniently )Tj +4.062 0 Td +(in )Tj +1.45 0 Td +(an )Tj +-41.144 -1.44 Td +(embedded )Tj +4.895 0 Td +(container )Tj +4.395 0 Td +(and )Tj +1.95 0 Td +(beha)Tj +2.082 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.838 0 Td +(like )Tj +1.894 0 Td +(the )Tj +1.672 0 Td +(production )Tj +5.063 0 Td +(system. )Tj +3.505 0 Td +(In )Tj +1.172 0 Td +(fact)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.144 0 Td +(the )Tj +1.672 0 Td +(opposite )Tj +4.007 0 Td +(is )Tj +1.005 0 Td +(true: )Tj +2.246 0 Td +(A )Tj +1.005 0 Td +(good )Tj +-40.032 -1.44 Td +(unit )Tj +2.413 0 Td +(test )Tj +2.19 0 Td +(should )Tj +3.636 0 Td +(v)Tj +0.476 0 Td +(alidate )Tj +3.635 0 Td +(the )Tj +2.079 0 Td +(functionality )Tj +6.137 0 Td +(independently )Tj +6.915 0 Td +(of )Tj +1.579 0 Td +(its )Tj +1.69 0 Td +(infr)Tj +1.433 0 Td +(astructure )Tj +4.968 0 Td +(and )Tj +2.357 0 Td +(be )Tj +1.801 0 Td +(as )Tj +-41.311 -1.44 Td +(independent )Tj +5.897 0 Td +(as )Tj +1.394 0 Td +(possible )Tj +4.007 0 Td +(from )Tj +2.505 0 Td +(a )Tj +1.005 0 Td +(container)Tj +3.983 0 Td +(. )Tj +0.746 0 Td +(All )Tj +1.728 0 Td +(dependencies )Tj +6.452 0 Td +(should )Tj +3.396 0 Td +(be )Tj +1.561 0 Td +(moc)Tj +1.871 0 Td +(ked )Tj +2.061 0 Td +(out)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.145 0 Td +(and )Tj +2.117 0 Td +(the )Tj +-40.866 -1.44 Td +(beha)Tj +2.082 0 Td +(vior )Tj +1.989 0 Td +(of )Tj +1.156 0 Td +(the )Tj +1.656 0 Td +(class )Tj +2.378 0 Td +(under )Tj +2.823 0 Td +(test )Tj +1.767 0 Td +(should )Tj +3.213 0 Td +(be )Tj +1.378 0 Td +(tested )Tj +2.823 0 Td +(in )Tj +1.156 0 Td +(isolation. )Tj +4.269 0 Td +(Moc)Tj +1.927 0 Td +(king )Tj +2.156 0 Td +(out )Tj +1.712 0 Td +(external )Tj +3.767 0 Td +(dependencies )Tj +-36.253 -1.44 Td +(with )Tj +2.542 0 Td +(the )Tj +1.986 0 Td +(right )Tj +2.597 0 Td +(fr)Tj +0.599 0 Td +(amew)Tj +2.599 0 Td +(ork )Tj +2.041 0 Td +(\(for )Tj +2.097 0 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Td +(test )Tj +2.118 0 Td +(fr)Tj +0.599 0 Td +(amew)Tj +2.599 0 Td +(ork )Tj +2.062 0 Td +(can )Tj +2.229 0 Td +(be )Tj +1.729 0 Td +(misused )Tj +4.174 0 Td +(to )Tj +1.507 0 Td +(intentionally )Tj +6.065 0 Td +(implement )Tj +-37.588 -1.44 Td +(integr)Tj +2.433 0 Td +(ation )Tj +2.741 0 Td +(tests. )Tj +2.593 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.685 0 Td +(can )Tj +2.129 0 Td +(launc)Tj +2.372 0 Td +(h )Tj +1.129 0 Td +(the )Tj +1.907 0 Td +(JP)Tj +0.779 0 Td +(A )Tj +1.24 0 Td +(en)Tj +1.044 0 Td +(vironment )Tj +4.963 0 Td +(outside )Tj +3.686 0 Td +(the )Tj +1.907 0 Td +(container )Tj +4.63 0 Td +(and )Tj +2.185 0 Td +(inject )Tj +2.963 0 Td +(the )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(EntityManager)Tj +/TT0 1 Tf +( to the class under test \(CUT\) b)Tj +21.012 0 Td +(y y)Tj +1.26 0 Td +(ourself \(see Listing 61\).)Tj +/TT1 1 Tf +-22.272 -1.79 Td +(public class UserAgentStatisticsIT {)Tj +0 -1.79 TD +( private EntityManager em;)Tj +T* +( private EntityTransaction tx;)Tj +T* +( UserAgentStatistics cut;)Tj +0 -3.58 TD +( @Before)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 75.9002 Tm +( public void initializeCUT\(\){)Tj +ET +Q + +endstream +endobj +262 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 263 0 R>>endobj +263 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(110)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( EntityManagerFactory emf = )Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 624.2002 Tm +(Persistence.createEntityManagerFactory\("integration"\);)Tj +0 -1.79 TD +( em = emf.createEntityManager\(\);)Tj +T* +( tx = em.getTransaction\(\);)Tj +T* +( this.cut = new UserAgentStatistics\(\);)Tj +T* +( this.cut.em = em;)Tj +/TT2 1 Tf +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 61: Unit )Tj +6.819 0 Td +(T)Tj +0.456 0 Td +(est with \223Real\224 EntityManager)Tj +-5.475 -2.24 Td +(T)Tj +0.511 0 Td +(his, )Tj +1.874 0 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)Tj +1.613 0 Td +(orders )Tj +2.947 0 Td +(of )Tj +1.114 0 Td +(magnitude )Tj +4.837 0 Td +(faster )Tj +2.558 0 Td +(and )Tj +1.892 0 Td +(will )Tj +1.892 0 Td +(be )Tj +1.336 0 Td +(executed )Tj +/C2_0 1 Tf +4.17 0 Td +<005D>Tj +/TT0 1 Tf +(rst, )Tj +2.114 0 Td +(and )Tj +1.892 0 Td +(integr)Tj +2.433 0 Td +(ation )Tj +2.448 0 Td +(tests )Tj +-40.366 -1.44 Td +(are )Tj +1.68 0 Td +(slo)Tj +1.211 0 Td +(wer )Tj +1.958 0 Td +(and )Tj +1.959 0 Td +(executed )Tj +4.237 0 Td +(afterw)Tj +2.649 0 Td +(ards. )Tj +2.311 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.459 0 Td +(get )Tj +1.625 0 Td +(instantaneous )Tj +6.239 0 Td +(feedbac)Tj +3.372 0 Td +(k )Tj +0.847 0 Td +(about )Tj +2.793 0 Td +(the )Tj +1.681 0 Td +(correctness )Tj +5.181 0 Td +(of )Tj +1.181 0 Td +(the )Tj +-40.866 -1.44 Td +(business logic and y)Tj +8.653 0 Td +(ou do not ha)Tj +5.474 0 Td +(v)Tj +0.488 0 Td +(e to w)Tj +2.65 0 Td +(ait until all integr)Tj +7.325 0 Td +(ation tests are passed.)Tj +-22.79 -2.24 Td +(Infr)Tj +1.433 0 Td +(astructure )Tj +4.527 0 Td +(tests )Tj +2.138 0 Td +(are )Tj +1.637 0 Td +(less )Tj +1.86 0 Td +(common, )Tj +4.416 0 Td +(but )Tj +1.694 0 Td +(they )Tj +2.138 0 Td +(are )Tj +1.637 0 Td +(highly )Tj +2.972 0 Td +(recommended )Tj +6.527 0 Td +(in )Tj +1.138 0 Td +(the )Tj +1.638 0 Td +(case )Tj +2.193 0 Td +(of )Tj +1.138 0 Td +(x)Tj +/TT3 1 Tf +(-)Tj +/TT0 1 Tf +(r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.804 0 Td +(as )Tj +-41.311 -1.44 Td +(well. )Tj +2.454 0 Td +(It )Tj +0.898 0 Td +(doesn\222)Tj +2.798 0 Td +(t )Tj +0.62 0 Td +(make )Tj +2.675 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.842 0 Td +(sense )Tj +2.676 0 Td +(to )Tj +1.176 0 Td +(moc)Tj +1.871 0 Td +(k )Tj +0.842 0 Td +(out )Tj +1.732 0 Td +(the )Tj +1.676 0 Td +(infr)Tj +1.433 0 Td +(astructure )Tj +4.565 0 Td +(to )Tj +1.176 0 Td +(test )Tj +1.787 0 Td +(the )Tj +1.676 0 Td +(x)Tj +/TT3 1 Tf +(-)Tj +/TT0 1 Tf +(r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +/TT2 1 Tf +0.842 0 Td +(Configuration)Tj +/TT0 1 Tf +( )Tj 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+0.643 0 Td +(x)Tj +0.643 0 Td +(r)Tj +0.643 0 Td +(a)Tj +0.643 0 Td +(y)Tj +0.643 0 Td +(.)Tj +0.643 0 Td +(b)Tj +0.643 0 Td +(u)Tj +0.643 0 Td +(s)Tj +ET +BT +/TT1 1 Tf +10 0 0 10 190.6557 112.9003 Tm +(i)Tj +0.643 0 Td +(n)Tj +0.643 0 Td +(e)Tj +0.643 0 Td +(s)Tj +0.643 0 Td +(s)Tj +0.643 0 Td +(.)Tj +0.643 0 Td +(c)Tj +0.643 0 Td +(o)Tj +0.643 0 Td +(n)Tj +0.643 0 Td +(f)Tj +0.643 0 Td +(i)Tj +0.643 0 Td +(g)Tj +0.643 0 Td +(u)Tj +0.643 0 Td +(r)Tj +0.643 0 Td +(a)Tj +0.643 0 Td +(t)Tj +0.643 0 Td +(i)Tj +0.643 0 Td +(o)Tj +0.643 0 Td +(n)Tj +0.643 0 Td +(.)Tj +0.643 0 Td +(b)Tj +0.643 0 Td +(o)Tj +0.643 0 Td +(u)Tj +0.643 0 Td +(n)Tj +0.643 0 Td +(d)Tj +0.643 0 Td +(a)Tj +0.643 0 Td +(r)Tj +0.643 0 Td +(y)Tj +0.643 0 Td +(.)Tj +0.643 0 Td +(C)Tj +0.643 0 Td +(o)Tj +0.643 0 Td +(n)Tj +0.643 0 Td +(f)Tj +0.643 0 Td +(i)Tj +0.643 0 Td +(g)Tj +0.643 0 Td +(u)Tj +0.643 0 Td +(r)Tj +0.643 0 Td +(a)Tj +0.643 0 Td +(b)Tj +0.643 0 Td +(l)Tj +0.643 0 Td +(e)Tj +/TT0 1 Tf +( )Tj +1.399 0 Td +(w)Tj +0.802 0 Td +(a)Tj +0.542 0 Td +(s)Tj +( )Tj +-41.811 -1.44 Td +(exclusi)Tj +2.983 0 Td +(v)Tj +0.488 0 Td +(ely )Tj +1.822 0 Td +(dev)Tj +1.544 0 Td +(eloped )Tj +3.49 0 Td +(for )Tj +1.711 0 Td +(performing )Tj +5.267 0 Td +(integr)Tj +2.433 0 Td +(ation )Tj +2.712 0 Td +(tests. )Tj +2.582 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.6 0 Td +(class )Tj +/TT1 1 Tf +2.6 0 Td +(Configurable)Tj +/TT0 1 Tf +( )Tj +7.745 0 Td +(consists )Tj +3.879 0 Td +(of)Tj +( )Tj +-41.366 -1.44 Td +(injected )Tj +/C2_0 1 Tf +3.832 0 Td +<005D>Tj +/TT0 1 Tf +(elds. )Tj +2.869 0 Td +(T)Tj +0.511 0 Td +(heir )Tj +2.053 0 Td +(content )Tj +3.61 0 Td +(will )Tj +1.998 0 Td +(be )Tj +1.442 0 Td +(v)Tj +0.476 0 Td +(alidated )Tj +3.832 0 Td +(during )Tj +3.165 0 Td +(the )Tj +1.72 0 Td +(integr)Tj +2.433 0 Td +(ation )Tj +2.554 0 Td +(tests )Tj +2.22 0 Td +(to )Tj +1.22 0 Td +(v)Tj +0.488 0 Td +(erify )Tj +2.275 0 Td +(the )Tj +1.72 0 Td +(injection )Tj +ET + +endstream +endobj +267 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 268 0 R>>endobj +268 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(112)Tj +0 Tc 0 Tw -20.132 57.06 Td +(mec)Tj +1.815 0 Td +(hanism \(see Listing 64\).)Tj +/TT1 1 Tf +-1.815 -1.79 Td +(@Singleton)Tj +0 -1.79 TD +(public class Configurable {)Tj +0 -1.79 TD +( @Inject)Tj +0 -1.79 TD +( private String version;)Tj +0 -1.79 TD +( @Inject)Tj +T* +( private String notExistingAndEmpty;)Tj +T* +( @Inject)Tj +T* +( private boolean debug;)Tj +T* +( @Inject)Tj +T* +( private int answer;)Tj +0 -3.58 TD +( public String getVersion\(\) {)Tj +0 -1.79 TD +( return version;)Tj +T* +( })Tj +0 -3.58 TD +( public String getNotExistingAndEmpty\(\) {)Tj +0 -1.79 TD +( return notExistingAndEmpty;)Tj +T* +( })Tj +0 -3.58 TD +( public int getAnswer\(\) {)Tj +0 -1.79 TD +( return answer;)Tj +T* +( })Tj +0 -3.58 TD +( public boolean isDebug\(\) {)Tj +0 -1.79 TD +( return debug;)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 64: )Tj +4.688 0 Td +(An Injection Dumm)Tj +8.547 0 Td +(y)Tj +-11.435 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.374 0 Td +(class )Tj +/TT1 1 Tf +2.374 0 Td +(Configurable)Tj +/TT0 1 Tf +( )Tj +7.519 0 Td +(resides )Tj +3.263 0 Td +(in )Tj +1.152 0 Td +(the )Tj +/TT1 1 Tf +1.652 0 Td +(src/test/java)Tj +/TT0 1 Tf +( )Tj +8.119 0 Td +(pac)Tj +1.538 0 Td +(kage )Tj +2.318 0 Td +(and )Tj +1.93 0 Td +(is )Tj +0.985 0 Td +(not )Tj +1.708 0 Td +(deplo)Tj +2.434 0 Td +(y)Tj +0.482 0 Td +(ed )Tj +1.374 0 Td +(into)Tj +( )Tj +-40.532 -1.44 Td +(production.)Tj +ET + +endstream +endobj +269 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 270 0 R>>endobj +270 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(113)Tj +/TT1 1 Tf +0 Tc 0 Tw -18.332 57.06 Td +(Configuration)Tj +/TT0 1 Tf +( )Tj +8.106 0 Td +(as )Tj +1.194 0 Td +(well )Tj +2.139 0 Td +(as )Tj +/TT1 1 Tf +1.194 0 Td +(LoggerProducer)Tj +/TT0 1 Tf +( )Tj +8.706 0 Td +(are )Tj +1.638 0 Td +(based )Tj +2.806 0 Td +(on )Tj +1.417 0 Td +(CDI )Tj +2.028 0 Td +(and )Tj +1.917 0 Td +(used )Tj +2.306 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.805 0 Td +(EJB )Tj +1.694 0 Td +(beans. )Tj +3.084 0 Td +(In )Tj +-41.366 -1.44 Td +(contr)Tj +2.211 0 Td +(ast )Tj +1.524 0 Td +(to )Tj +1.191 0 Td +(the )Tj +1.691 0 Td +(EJB )Tj +/C2_0 1 Tf +1.746 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(cation, )Tj +6.082 0 Td +(there )Tj +2.524 0 Td +(is )Tj +1.024 0 Td +(no )Tj +1.469 0 Td +(standardized )Tj +5.859 0 Td +(w)Tj +0.76 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.857 0 Td +(to )Tj +1.191 0 Td +(boot )Tj +2.303 0 Td +(the )Tj +1.691 0 Td +(CDI )Tj +2.08 0 Td +(container )Tj +4.414 0 Td +(outside)Tj +( )Tj +-39.087 -1.44 Td +(the )Tj +1.798 0 Td +(serv)Tj +1.71 0 Td +(er)Tj +0.759 0 Td +(. )Tj +0.668 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.52 0 Td +(problem )Tj +4.076 0 Td +(is )Tj +1.131 0 Td +(solv)Tj +1.711 0 Td +(ed )Tj +1.52 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.964 0 Td +(an )Tj +1.52 0 Td +(open )Tj +2.632 0 Td +(sour)Tj +1.822 0 Td +(ce )Tj +1.464 0 Td +(project)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.678 0 Td +(Arquillian )Tj +4.744 0 Td +(\()Tj +(http://www)Tj +5.04 0 Td +(.jboss.org/)Tj +-37.809 -1.44 Td +(arquillian)Tj +(\))Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +5.03 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.945 0 Td +(not )Tj +1.779 0 Td +(only )Tj +2.279 0 Td +(boots )Tj +2.724 0 Td +(the )Tj +1.723 0 Td +(container)Tj +3.983 0 Td +(, )Tj +0.667 0 Td +(but )Tj +1.779 0 Td +(also )Tj +2.112 0 Td +(allo)Tj +1.6 0 Td +(ws )Tj +1.556 0 Td +(the )Tj +1.723 0 Td +(injection )Tj +4.169 0 Td +(of )Tj +1.223 0 Td +(managed )Tj +4.334 0 Td +(beans )Tj +-39.699 -1.44 Td +(and EJB beans into unit test classes \(see Listing 65\))Tj +/TT2 1 Tf +(.)Tj +/TT1 1 Tf +0 -1.79 TD +(import )Tj +0 -0.99 TD +(com.abien.xray.business.configuration.control.ConfigurationProvider;)Tj +0 -1.79 TD +(import org.jboss.arquillian.api.Deployment;)Tj +T* +(import org.jboss.arquillian.junit.Arquillian;)Tj +0 -1.79 TD +(import org.jboss.shrinkwrap.api.ArchivePaths;)Tj +0 -1.79 TD +(import org.jboss.shrinkwrap.api.ShrinkWrap;)Tj +T* +(import org.jboss.shrinkwrap.api.asset.ByteArrayAsset;)Tj +T* +(import org.jboss.shrinkwrap.api.spec.JavaArchive;)Tj +T* +(import org.junit.Test;)Tj +T* +(import org.junit.runner.RunWith;)Tj +T* +(import javax.inject.Inject;)Tj +T* +(import java.util.Set;)Tj +T* +(import static org.hamcrest.core.Is.*;)Tj +T* +(import static org.junit.Assert.*;)Tj +0 -3.58 TD +(@RunWith\(Arquillian.class\))Tj +0 -1.79 TD +(public class ConfigurationIT {)Tj +0 -3.58 TD +( @Inject)Tj +0 -1.79 TD +( Configurable configurable;)Tj +0 -3.58 TD +( @Inject)Tj +0 -1.79 TD +( Configuration configuration;)Tj +0 -3.58 TD +( @Deployment)Tj +0 -1.79 TD +( public static JavaArchive createArchive\(\) {)Tj +0 -1.79 TD +( return ShrinkWrap.create\(JavaArchive.class, "xray.jar"\).)Tj +0 -1.79 TD +( addClasses\(Configuration.class\).)Tj +ET + +endstream +endobj +271 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 272 0 R>>endobj +272 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(114)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( addClasses\(Configurable.class\).)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2001 Tm +( addClasses\(ConfigurationProvider.class\).)Tj +0 -1.79 TD +( addManifestResource\()Tj +T* +( new ByteArrayAsset\("".getBytes\(\)\),)Tj +T* +( ArchivePaths.create\("beans.xml"\)\);)Tj +T* +( })Tj +0 -3.58 TD +( @Test)Tj +0 -1.79 TD +( public void configurableInjection\(\) {)Tj +T* +( assertNotNull\(this.configurable\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( )Tj +T* +( )Tj +T* +( @Test)Tj +T* +( public void customConfigurationNotExist\(\){)Tj +T* +( assertFalse\(this.configuration.doesCustomConfigurationExist)Tj +0 -0.99 TD +(\(\)\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( @Test)Tj +0 -1.79 TD +( public void versionInjection\(\) {)Tj +T* +( assertNotNull\(this.configurable.getVersion\(\)\);)Tj +T* +( })Tj +T* +( @Test)Tj +T* +( public void notExistingParameter\(\) {)Tj +0 -1.79 TD +( assertNull\(this.configurable.getNotExistingAndEmpty\(\)\);)Tj +0 -1.79 TD +( Set unconfiguredFields = )Tj +0 -0.99 TD +(this.configuration.getUnconfiguredFields\(\);)Tj +0 -1.79 TD +( assertNotNull\(unconfiguredFields\);)Tj +0 -1.79 TD +( assertThat\(unconfiguredFields.size\(\), is\(2\)\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( @Test)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 77.3002 Tm +( public void booleanInjection\(\){)Tj +ET +Q + +endstream +endobj +273 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 274 0 R>>endobj +274 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(115)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( assertFalse\(this.configurable.isDebug\(\)\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2001 Tm +( })Tj +0 -1.79 TD +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 65: Container Bootstr)Tj +12.216 0 Td +(apping in Unit )Tj +6.43 0 Td +(T)Tj +0.456 0 Td +(est)Tj +-17.302 -2.24 Td +(Arquillian )Tj +4.561 0 Td +(not )Tj +1.671 0 Td +(only )Tj +2.171 0 Td +(performs )Tj +4.059 0 Td +(the )Tj +1.615 0 Td +(test, )Tj +2.004 0 Td +(but )Tj +1.671 0 Td +(it )Tj +0.837 0 Td +(also )Tj +2.004 0 Td +(builds )Tj +2.894 0 Td +(the )Tj +1.615 0 Td +(ar)Tj +0.821 0 Td +(c)Tj +0.482 0 Td +(hi)Tj +0.816 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.781 0 Td +(in )Tj +1.115 0 Td +(a )Tj +0.781 0 Td +(method )Tj +3.56 0 Td +(annotated )Tj +4.561 0 Td +(with )Tj +/TT1 1 Tf +-40.31 -1.44 Td +(@Deployment)Tj +/TT0 1 Tf +(. )Tj +7.241 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.566 0 Td +(can )Tj +2.01 0 Td +(pic)Tj +1.316 0 Td +(k )Tj +0.954 0 Td +(and )Tj +2.066 0 Td +(c)Tj +0.482 0 Td +(hoose )Tj +3.011 0 Td +(classes )Tj +3.399 0 Td +(that )Tj +2.066 0 Td +(should )Tj +3.345 0 Td +(belong )Tj +3.4 0 Td +(to )Tj +1.288 0 Td +(the )Tj +/C2_0 1 Tf +1.788 0 Td +<00470046000A004C0040003D000A005E>Tj +/TT0 1 Tf +(y )Tj +4.622 0 Td +(created )Tj +-39.033 -1.44 Td +(W)Tj +0.955 0 Td +(AR )Tj +/C2_0 1 Tf +1.681 0 Td +<005D>Tj +/TT0 1 Tf +(le )Tj +1.737 0 Td +(or )Tj +1.292 0 Td +(J)Tj +0.26 0 Td +(AR )Tj +/C2_0 1 Tf +1.681 0 Td +<005D>Tj +/TT0 1 Tf +(le )Tj +1.737 0 Td +(and, )Tj +2.293 0 Td +(thus, )Tj +2.46 0 Td +(the )Tj +1.737 0 Td +(test )Tj +1.848 0 Td +(setup. )Tj +2.886 0 Td +(T)Tj +0.511 0 Td +(his )Tj +1.626 0 Td +(is )Tj +1.07 0 Td +(especially )Tj +4.682 0 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(enient )Tj +3.071 0 Td +(for )Tj +1.57 0 Td +(testing )Tj +3.182 0 Td +(optional, )Tj +-38.364 -1.44 Td +(ambiguous)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +5.3 0 Td +(or )Tj +/C2_0 1 Tf +1.215 0 Td +<004D0046004B0039004C0041004B005D>Tj +/TT0 1 Tf +(ed )Tj +4.884 0 Td +(dependencies. )Tj +6.477 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.382 0 Td +(ConfigurationProvider)Tj +/TT0 1 Tf +( )Tj +12.928 0 Td +(class )Tj +2.382 0 Td +(relies )Tj +2.604 0 Td +(hea)Tj +1.526 0 Td +(vily )Tj +1.882 0 Td +(on)Tj +( )Tj +-41.088 -1.44 Td +(optional dependencies and w)Tj +12.711 0 Td +(as also tested with )Tj +8.078 0 Td +(Arquillian.)Tj +-18.989 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.45 0 Td +(test )Tj +1.839 0 Td +(class )Tj +/TT1 1 Tf +2.45 0 Td +(ConfigurationIT)Tj +/TT0 1 Tf +( )Tj +9.396 0 Td +(\(\223IT\224 )Tj +2.394 0 Td +(stands )Tj +3.062 0 Td +(for )Tj +1.561 0 Td +(\223Integr)Tj +2.877 0 Td +(ationT)Tj +2.624 0 Td +(est\224\) )Tj +2.283 0 Td +(deplo)Tj +2.434 0 Td +(ys )Tj +1.283 0 Td +(in )Tj +1.228 0 Td +(the )Tj +1.728 0 Td +(method )Tj +/TT1 1 Tf +-38.921 -1.44 Td +(createArchive)Tj +/TT0 1 Tf +(, )Tj +8.452 0 Td +(the )Tj +/TT1 1 Tf +1.707 0 Td +(Configuration)Tj +/TT0 1 Tf +(, )Tj +/TT1 1 Tf +8.452 0 Td +(Configurable)Tj +/TT0 1 Tf +(, )Tj +7.852 0 Td +(and )Tj +1.985 0 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+0.542 0 Td +(n)Tj +0.598 0 Td +(s )Tj +/TT1 1 Tf +1.188 0 Td +(C)Tj +0.642 0 Td +(o)Tj +0.642 0 Td +(n)Tj +0.642 0 Td +(f)Tj +0.642 0 Td +(i)Tj +0.642 0 Td +(g)Tj +0.642 0 Td +(u)Tj +0.642 0 Td +(r)Tj +0.642 0 Td +(a)Tj +0.642 0 Td +(b)Tj +0.642 0 Td +(l)Tj +0.642 0 Td +(e)Tj +/TT0 1 Tf +( )Tj +1.399 0 Td +(a)Tj +0.542 0 Td +(n)Tj +0.598 0 Td +(d)Tj +( )Tj +/TT1 1 Tf +-41.644 -1.44 Td +(Configuration)Tj +/TT0 1 Tf +( )Tj +8.184 0 Td +(are )Tj +1.715 0 Td +(injected )Tj +3.828 0 Td +(directly )Tj +3.605 0 Td +(into )Tj +2.05 0 Td +(the )Tj +/TT1 1 Tf +1.716 0 Td +(ConfigurationIT)Tj +/TT0 1 Tf +( )Tj +9.384 0 Td +(class. )Tj +/TT1 1 Tf +2.716 0 Td +(ConfigurationIT)Tj +/TT0 1 Tf +( )Tj +-33.199 -1.44 Td +(beha)Tj +2.082 0 Td +(v)Tj +0.488 0 Td +(es )Tj +1.292 0 Td +(in )Tj +1.237 0 Td +(the )Tj +1.737 0 Td +(unit )Tj +2.071 0 Td +(test )Tj +1.848 0 Td +(as )Tj +1.292 0 Td +(if )Tj +0.959 0 Td +(it )Tj +0.959 0 Td +(were )Tj +2.514 0 Td +(deplo)Tj +2.434 0 Td +(y)Tj +0.482 0 Td +(ed )Tj +1.459 0 Td +(to )Tj +1.237 0 Td +(an )Tj +1.459 0 Td +(application )Tj +5.239 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +1.236 0 Td +(as )Tj +1.292 0 Td +(an )Tj +1.459 0 Td +(EJB )Tj +1.792 0 Td +(beans )Tj +2.904 0 Td +(or )Tj +1.292 0 Td +(CDI)Tj +( )Tj +-40.477 -1.44 Td +(managed bean. )Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +1.422 0 Td +(injection )Tj +4.146 0 Td +(of )Tj +1.2 0 Td +(dependent )Tj +4.924 0 Td +(instances )Tj +4.312 0 Td +(is )Tj +1.033 0 Td +(performed )Tj +4.811 0 Td +(before )Tj +3.089 0 Td +(the )Tj +1.7 0 Td +(execution )Tj +4.59 0 Td +(of )Tj +1.2 0 Td +(the )Tj +1.7 0 Td +(test )Tj +1.811 0 Td +(methods, )Tj +-38.254 -1.44 Td +(so )Tj +1.314 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.481 0 Td +(can )Tj +1.925 0 Td +(just )Tj +1.87 0 Td +(w)Tj +0.766 0 Td +(ork )Tj +1.758 0 Td +(with )Tj +2.259 0 Td +(the )Tj +1.703 0 Td +(references )Tj +4.758 0 Td +(because )Tj +3.87 0 Td +(they )Tj +2.203 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.315 0 Td +(be )Tj +1.425 0 Td +(initialized )Tj +4.649 0 Td +(locally )Tj +3.259 0 Td +(in )Tj +/TT1 1 Tf +1.203 0 Td +(@Before)Tj +/TT0 1 Tf +( )Tj +-37.999 -1.44 Td +(methods. )Tj +1.8 -2.24 Td +(T)Tj +0.456 0 Td +(o )Tj +0.886 0 Td +(acti)Tj +1.538 0 Td +(v)Tj +0.476 0 Td +(ate )Tj +1.608 0 Td +(the )Tj +1.664 0 Td +(dependenc)Tj +4.756 0 Td +(y )Tj +0.83 0 Td +(injection )Tj +4.11 0 Td +(for )Tj +1.497 0 Td +(y)Tj +0.482 0 Td +(our )Tj +1.775 0 Td +(unit )Tj +1.998 0 Td +(tests )Tj +2.164 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.442 0 Td +(need )Tj +2.442 0 Td +(to )Tj +1.164 0 Td +(declare )Tj +3.46 0 Td +(Arquillian )Tj +4.61 0 Td +(as )Tj +1.219 0 Td +(the )Tj +-40.866 -1.44 Td +(test runner: )Tj +/TT1 1 Tf +(@RunWith\(Arquillian.class\).)Tj +/TT0 1 Tf +1.8 -2.24 Td +(Arquillian )Tj +4.79 0 Td +(is )Tj +1.177 0 Td +(maintained )Tj +5.345 0 Td +(in )Tj +1.344 0 Td +(the )Tj +1.844 0 Td +(Ma)Tj +1.359 0 Td +(v)Tj +0.488 0 Td +(en )Tj +1.566 0 Td +(Repository)Tj +4.465 0 Td +(. )Tj +0.714 0 Td +(T)Tj +0.456 0 Td +(o )Tj +1.066 0 Td +(use )Tj +1.955 0 Td +(it )Tj +1.066 0 Td +(with )Tj +2.4 0 Td +(GlassF)Tj +2.816 0 Td +(ish)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +1.983 0 Td +(y)Tj +0.482 0 Td +(ou )Tj +1.622 0 Td +(need )Tj +2.622 0 Td +(to )Tj +-41.366 -1.44 Td +(declare a few Ma)Tj +7.416 0 Td +(v)Tj +0.488 0 Td +(en dependencies \(see Listing 66\).)Tj +/TT1 1 Tf +-7.904 -1.79 Td +( )Tj +0 -1.79 TD +( org.glassfish.extras)Tj +0 -1.79 TD +( glassfish-embedded-all)Tj +0 -1.79 TD +( 3.0.1)Tj +T* +( provided)Tj +T* +( )Tj +T* +( )Tj +T* +( org.jboss.arquillian)Tj +T* +( arquillian-junit)Tj +T* +( 1.0.0.Alpha4)Tj +T* +( test)Tj +ET + +endstream +endobj +275 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 277 0 R>>endobj +276 0 obj<>endobj +277 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(116)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( )Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2001 Tm +( )Tj +0 -1.79 TD +( )Tj +T* +( org.jboss.arquillian.container)Tj +T* +( arquillian-glassfish-embedded-3)Tj +T* +( 1.0.0.Alpha4)Tj +0 -1.79 TD +( test)Tj +0 -1.79 TD +( )Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 66: Ma)Tj +6.084 0 Td +(v)Tj +0.488 0 Td +(en Declar)Tj +4.211 0 Td +(ation for )Tj +3.854 0 Td +(Arquillian)Tj +-12.837 -2.24 Td +(Arquillian )Tj +4.795 0 Td +(comes )Tj +3.293 0 Td +(with )Tj +2.405 0 Td +(an )Tj +1.571 0 Td +(adapter )Tj +3.738 0 Td +(la)Tj +0.748 0 Td +(y)Tj +0.482 0 Td +(er )Tj +1.348 0 Td +(that )Tj +2.127 0 Td +(abstr)Tj +2.044 0 Td +(acts )Tj +2.182 0 Td +(from )Tj +2.515 0 Td +(a )Tj +1.015 0 Td +(concrete )Tj +4.238 0 Td +(application )Tj +5.351 0 Td +(serv)Tj +1.71 0 Td +(er )Tj +-41.367 -1.44 Td +(implementation. )Tj +7.455 0 Td +(Y)Tj +0.482 0 Td +(ou )Tj +1.601 0 Td +(could )Tj +2.935 0 Td +(run )Tj +1.934 0 Td +(the )Tj +1.823 0 Td +(same )Tj +2.711 0 Td +(test )Tj +1.934 0 Td +(code )Tj +2.601 0 Td +(against )Tj +3.49 0 Td +(sev)Tj +1.377 0 Td +(er)Tj +0.821 0 Td +(al )Tj +1.267 0 Td +(application )Tj +5.325 0 Td +(serv)Tj +1.71 0 Td +(ers )Tj +1.711 0 Td +(just )Tj +1.99 0 Td +(b)Tj +0.538 0 Td +(y)Tj +( )Tj +-41.7 -1.44 Td +(exc)Tj +1.482 0 Td +(hanging a single dependenc)Tj +12.037 0 Td +(y in )Tj +/TT1 1 Tf +(pom.xml)Tj +/TT0 1 Tf +(. )Tj +6.573 0 Td +(T)Tj +0.511 0 Td +(his can be ac)Tj +5.651 0 Td +(hiev)Tj +1.822 0 Td +(ed easily with Ma)Tj +7.584 0 Td +(v)Tj +/C2_0 1 Tf +0.488 0 Td +<003D004600010048004A0047005D>Tj +/TT0 1 Tf +(les.)Tj +-34.348 -2.24 Td +(I )Tj +0.647 0 Td +(tested )Tj +2.87 0 Td +(the )Tj +1.703 0 Td +(injection )Tj +4.149 0 Td +(of )Tj +/TT1 1 Tf +1.203 0 Td +(XRayLogger)Tj +/TT0 1 Tf +( )Tj +6.37 0 Td +(similarly)Tj +3.575 0 Td +(. )Tj +0.61 0 Td +(A )Tj +1.036 0 Td +(class )Tj +/TT1 1 Tf +2.425 0 Td +(LogUser)Tj +/TT0 1 Tf +( )Tj +4.57 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.258 0 Td +(introduced )Tj +5.038 0 Td +(just )Tj +1.87 0 Td +(as )Tj +1.258 0 Td +(an)Tj +( )Tj +-41.144 -1.44 Td +(injection helper for test purposes \(see Listing 67\) but it w)Tj +24.272 0 Td +(as not deplo)Tj +5.269 0 Td +(y)Tj +0.482 0 Td +(ed with the application.)Tj +/TT1 1 Tf +-30.023 -1.79 Td +(public class LogUser {)Tj +0 -1.79 TD +( @Inject)Tj +T* +( private XRayLogger LOG;)Tj +T* +( public boolean isLogInjected\(\){)Tj +T* +( return \(LOG != null\);)Tj +T* +( })Tj +T* +( public XRayLogger getLogger\(\) {)Tj +T* +( return LOG;)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 67: Helper Class for Dependenc)Tj +16.872 0 Td +(y Injection )Tj +4.762 0 Td +(T)Tj +0.456 0 Td +(esting)Tj +-20.29 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.55 0 Td +(LogUser)Tj +/TT0 1 Tf +( )Tj +4.695 0 Td +(class )Tj +2.55 0 Td +(declares )Tj +4.05 0 Td +(an )Tj +/TT1 1 Tf +1.55 0 Td +(XRayLogger)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +6.495 0 Td +<005D>Tj +/TT0 1 Tf +(eld )Tj +2.384 0 Td +(and )Tj +2.106 0 Td +(annotates )Tj +4.607 0 Td +(it )Tj +1.05 0 Td +(with )Tj +/TT1 1 Tf +2.384 0 Td +(@Inject)Tj +/TT0 1 Tf +(. )Tj +4.899 0 Td +(T)Tj +0.511 0 Td +(he )Tj +-41.144 -1.44 Td +(injection )Tj +4.261 0 Td +(of )Tj +1.315 0 Td +(the )Tj +1.815 0 Td +(expected )Tj +/TT1 1 Tf +4.371 0 Td +(XRayLogger)Tj +/TT0 1 Tf +( )Tj +6.482 0 Td +(type )Tj +2.315 0 Td +(is )Tj +1.148 0 Td +(v)Tj +/C2_0 1 Tf +0.488 0 Td +<003D004A0041005D>Tj +/TT0 1 Tf +(ed )Tj +3.204 0 Td +(in )Tj +1.315 0 Td +(the )Tj +/TT1 1 Tf +1.815 0 Td +(LoggerProducerIT)Tj +/TT0 1 Tf +( )Tj +10.082 0 Td +(test )Tj +1.926 0 Td +(\(see )Tj +-40.533 -1.44 Td +(Listing 68\). )Tj +/TT1 1 Tf +0 -1.79 TD +(@RunWith\(Arquillian.class\))Tj +0 -1.79 TD +(public class LoggerProducerIT {)Tj +0 -1.79 TD +( @Inject)Tj +0 -1.79 TD +( LogUser logUser;)Tj +ET + +endstream +endobj +278 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 279 0 R>>endobj +279 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(117)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( @Inject)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +( Configuration configuration;)Tj +0 -1.79 TD +( @Deployment)Tj +T* +( public static JavaArchive createTestArchive\(\) {)Tj +T* +( return ShrinkWrap.create\(JavaArchive.class, )Tj +0 -0.99 TD +("loggerproducer.jar"\).)Tj +0 -1.79 TD +( addClasses\(LogUser.class, LoggerProducer.class, )Tj +0 -0.99 TD +(Configuration.class, ConfigurationProvider.class, )Tj +/TT2 1 Tf +T* +(DebugConfigurationProvider.class)Tj +/TT1 1 Tf +(, DevNullLogger.class, )Tj +T* +(DelegatingLogger.class\).)Tj +0 -1.79 TD +( addManifestResource\()Tj +T* +( new ByteArrayAsset\("".getBytes\(\)\),)Tj +T* +( ArchivePaths.create\("beans.xml"\)\);)Tj +T* +( })Tj +0 -3.58 TD +( @Test)Tj +0 -1.79 TD +( public void logInjected\(\) {)Tj +T* +( assertTrue\(logUser.isLogInjected\(\)\);)Tj +T* +( })Tj +0 -3.58 TD +( @Test)Tj +0 -1.79 TD +( public void loggerNameCorrespondsToClassNameNoDebug\(\) {)Tj +T* +( XRayLogger xRayLogger = logUser.getLogger\(\);)Tj +T* +( assertTrue\(xRayLogger instanceof DelegatingLogger\);)Tj +T* +( Logger logger = xRayLogger.getLogger\(\);)Tj +T* +( String actual = logger.getName\(\);)Tj +T* +( String expected = LogUser.class.getName\(\);)Tj +T* +( assertThat\(actual, is\(expected\)\);)Tj +0 -3.58 TD +( })Tj +0 -1.79 TD +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 68: XRa)Tj +6.417 0 Td +(yLogger Injection in an Integr)Tj +12.604 0 Td +(ation )Tj +2.372 0 Td +(T)Tj +0.456 0 Td +(est)Tj +-20.049 -2.24 Td +(Both )Tj +/TT1 1 Tf +2.424 0 Td +(Configuration)Tj +/TT0 1 Tf +( )Tj +8.225 0 Td +(and )Tj +/TT1 1 Tf +2.035 0 Td +(LogUser)Tj +/TT0 1 Tf +( )Tj +4.624 0 Td +(are )Tj +1.756 0 Td +(injected )Tj +3.869 0 Td +(into )Tj +2.091 0 Td +(the )Tj +/TT1 1 Tf +1.757 0 Td +(LoggerProducerIT)Tj +/TT0 1 Tf +( )Tj +10.025 0 Td +(class. )Tj +2.757 0 Td +(In)Tj +( )Tj +ET + +endstream +endobj +280 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 281 0 R>>endobj +281 0 obj<>stream +BT 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+1.427 0 Td +(h )Tj +1.137 0 Td +(slo)Tj +1.211 0 Td +(w )Tj +1.359 0 Td +(execution )Tj +-37.976 -1.44 Td +(absolutely )Tj +4.979 0 Td +(acceptable. )Tj +5.534 0 Td +(X-r)Tj +1.265 0 Td +(a)Tj +0.47 0 Td +(y )Tj +1.088 0 Td +(is )Tj +1.255 0 Td +(storing )Tj +3.478 0 Td +(its )Tj +1.533 0 Td +(state )Tj +2.533 0 Td +(in )Tj +1.422 0 Td +(the )Tj +1.922 0 Td +(Hypersonic )Tj +5.534 0 Td +(\(hsqldb\) )Tj +4.035 0 Td +(database )Tj +4.367 0 Td +(\()Tj +(http://)Tj +-39.42 -1.44 Td +(hsqldb.org)Tj +(\) in unoptimized \223T)Tj +12.851 0 Td +(ext\224 tables \()Tj +(http://www)Tj +9.819 0 Td +(.hsqldb.org/doc/guide/c)Tj +10.154 0 Td +(h06.html)Tj +(\). )Tj +-31.024 -2.24 Td +(X-r)Tj +1.265 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.789 0 Td +(had )Tj +1.901 0 Td +(to )Tj +1.123 0 Td +(update )Tj +3.235 0 Td +(a )Tj +0.789 0 Td +(few )Tj +1.845 0 Td +(thousand )Tj +4.236 0 Td +(hits )Tj +1.79 0 Td +(and )Tj +1.901 0 Td +(about )Tj +2.735 0 Td +(50 )Tj +1.401 0 Td +(thousand )Tj +4.236 0 Td +(referers )Tj +3.455 0 Td +(ev)Tj +0.988 0 Td +(ery )Tj +/C2_0 1 Tf +1.622 0 Td +<005D>Tj +/TT0 1 Tf +(v)Tj +1.044 0 Td +(e )Tj +0.789 0 Td +(minutes. )Tj +3.957 0 Td +(In )Tj +-41.366 -1.44 Td +(this )Tj +1.972 0 Td +(context)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.889 0 Td +(the )Tj +1.805 0 Td +(performance )Tj +5.916 0 Td +(is )Tj +1.138 0 Td +(not )Tj +1.861 0 Td +(that )Tj +2.083 0 Td +(bad. )Tj +2.361 0 Td +(Nev)Tj +1.766 0 Td +(ertheless)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +4.444 0 Td +(long )Tj +2.361 0 Td +(tr)Tj +0.599 0 Td +(ansactions )Tj +4.973 0 Td +(w)Tj +0.76 0 Td +(hose )Tj +2.472 0 Td +(length )Tj +3.139 0 Td +(is)Tj +( )Tj +-41.533 -1.44 Td +(dependent )Tj +4.918 0 Td +(on )Tj +1.472 0 Td +(the )Tj +1.694 0 Td +(total )Tj +2.25 0 Td +(number )Tj +3.694 0 Td +(of )Tj +1.194 0 Td +(records )Tj +3.527 0 Td +(might )Tj +2.805 0 Td +(cause )Tj +2.805 0 Td +(trouble )Tj +3.417 0 Td +(in )Tj +1.194 0 Td +(the )Tj +1.694 0 Td +(long )Tj +2.25 0 Td +(run. )Tj +2.009 0 Td +(T)Tj +0.482 0 Td +(r)Tj +0.321 0 Td +(ansactions )Tj +4.862 0 Td +(that )Tj +-40.588 -1.44 Td +(are )Tj +1.617 0 Td +(too )Tj +1.674 0 Td +(long )Tj +2.174 0 Td +(lead )Tj +2.118 0 Td +(to )Tj +1.118 0 Td +(timeouts )Tj +3.952 0 Td +(and)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.146 0 Td +(thus, )Tj +2.341 0 Td +(rollbac)Tj +2.983 0 Td +(ks, )Tj +1.451 0 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h )Tj +0.84 0 Td +(could )Tj +2.73 0 Td +(lead )Tj +2.118 0 Td +(to )Tj +1.118 0 Td +(data )Tj +2.118 0 Td +(loss. )Tj +2.137 0 Td +(At )Tj +1.229 0 Td +(the )Tj +1.618 0 Td +(same )Tj +2.506 0 Td +(time)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +-40.061 -1.44 Td +(it )Tj +0.981 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.371 0 Td +(be )Tj +1.481 0 Td +(interesting )Tj +4.871 0 Td +(to )Tj +1.259 0 Td +(kno)Tj +1.6 0 Td +(w )Tj +1.203 0 Td +(ho)Tj +1.1 0 Td +(w )Tj +1.203 0 Td +(man)Tj +1.871 0 Td +(y )Tj +0.925 0 Td +(records )Tj +3.592 0 Td +(are )Tj +1.758 0 Td +(cac)Tj +1.482 0 Td +(hed )Tj +2.037 0 Td +(and )Tj +2.037 0 Td +(become )Tj +3.87 0 Td +(dirty )Tj +2.37 0 Td +(between )Tj +4.093 0 Td +(the )Tj +/C2_0 1 Tf +-40.866 -1.44 Td +<005E>Tj +/TT0 1 Tf +(ushes.)Tj +1.8 -2.24 Td +(I )Tj +0.568 0 Td +(met )Tj +1.901 0 Td +(both )Tj +2.236 0 Td +(requirements )Tj +5.902 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.79 0 Td +(adding )Tj +3.236 0 Td +(an )Tj +1.346 0 Td +(additional )Tj +4.626 0 Td +(la)Tj +0.748 0 Td +(y)Tj +0.482 0 Td +(er )Tj +1.123 0 Td +(of )Tj +1.124 0 Td +(indirection )Tj +4.959 0 Td +(and )Tj +1.902 0 Td +(introducing )Tj +5.237 0 Td +(the )Tj +1.624 0 Td +(class )Tj +/TT2 1 Tf +-40.144 -1.44 Td +(HitsCache)Tj +/TT0 1 Tf +(. )Tj +6.005 0 Td +(I )Tj +0.604 0 Td +(factored )Tj +3.827 0 Td +(out )Tj +1.716 0 Td +(the )Tj +1.66 0 Td +(cac)Tj +1.482 0 Td +(he )Tj +1.382 0 Td +(previously )Tj +4.772 0 Td +(maintained )Tj +5.161 0 Td +(in )Tj +1.16 0 Td +(the )Tj +/TT2 1 Tf +1.66 0 Td +(Hits)Tj +/TT0 1 Tf +( )Tj +2.727 0 Td +(singleton )Tj +4.217 0 Td +(EJB )Tj +1.715 0 Td +(bean )Tj +2.438 0 Td +(into )Tj +-40.532 -1.44 Td +(a dedicated )Tj +/TT2 1 Tf +(HitsCache)Tj +/TT0 1 Tf +( \(see Listing 70\). )Tj +/TT2 1 Tf +0 -1.79 TD +(public class HitsCache {)Tj +T* +( private ConcurrentHashMap hits = null;)Tj +T* +( private ConcurrentSkipListSet dirtyKeys;)Tj +0 -3.58 TD +( public HitsCache\(Map hits\) {)Tj +0 -1.79 TD +( this.hits = new ConcurrentHashMap\(hits\);)Tj +0 -1.79 TD +( this.dirtyKeys = new ConcurrentSkipListSet\(\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public HitsCache\(\) {)Tj +0 -1.79 TD +( this\(new HashMap\(\)\);)Tj +T* +( })Tj +0 -3.58 TD +( public long increase\(String uniqueAction\){)Tj +0 -1.79 TD +( this.dirtyKeys.add\(uniqueAction\);)Tj +T* +( hits.putIfAbsent\(uniqueAction, new AtomicLong\(\)\);)Tj +T* +( AtomicLong hitCount = hits.get\(uniqueAction\);)Tj +T* +( return hitCount.incrementAndGet\(\);)Tj +0 -1.79 TD +( })Tj +ET + +endstream +endobj +284 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 285 0 R>>endobj +285 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(120)Tj +/TT1 1 Tf +0 Tc 0 Tw -20.132 55.72 Td +( public ConcurrentHashMap getCache\(\) {)Tj +0 -1.79 TD +( return hits;)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public Map getChangedEntriesAndClear\(\) {)Tj +0 -1.79 TD +( Map changedValues = new HashMap\(\);)Tj +0 -1.79 TD +( for \(String dirtyKey : dirtyKeys\) {)Tj +T* +( dirtyKeys.remove\(dirtyKey\);)Tj +T* +( changedValues.put\(dirtyKey, hits.get\(dirtyKey\)\);)Tj +T* +( })Tj +T* +( return changedValues;)Tj +T* +( })Tj +0 -3.58 TD +( public int getCacheSize\(\){)Tj +0 -1.79 TD +( return this.hits.size\(\);)Tj +T* +( })Tj +0 -3.58 TD +( public int getDirtyEntriesCount\(\){)Tj +0 -1.79 TD +( return this.dirtyKeys.size\(\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public void clear\(\) {)Tj +0 -1.79 TD +( hits.clear\(\);)Tj +T* +( dirtyKeys.clear\(\);)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 70: Encapsulation of the Cac)Tj +15.379 0 Td +(he and Dirty Detection)Tj +-13.579 -2.24 Td +(Also, )Tj +2.723 0 Td +(with )Tj +2.445 0 Td +(the )Tj +1.889 0 Td +(encapsulation )Tj +6.558 0 Td +(of )Tj +1.389 0 Td +(the )Tj +1.889 0 Td +(hits )Tj +2.056 0 Td +(and )Tj +2.167 0 Td +(referers )Tj +3.721 0 Td +(cac)Tj +1.482 0 Td +(hes )Tj +2 0 Td +(into )Tj +2.223 0 Td +(dedicated )Tj +4.779 0 Td +(classes)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.75 0 Td +(the )Tj +-40.866 -1.44 Td +(complexity )Tj +5.172 0 Td +(of )Tj +1.227 0 Td +(the )Tj +/TT1 1 Tf +1.727 0 Td +(Hits)Tj +/TT0 1 Tf +( )Tj +2.793 0 Td +(class )Tj +2.449 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.282 0 Td +(slightly )Tj +3.45 0 Td +(reduced. )Tj +4.135 0 Td +(After )Tj +2.449 0 Td +(the )Tj +1.727 0 Td +(refactoring, )Tj +/TT1 1 Tf +5.283 0 Td +(Hits)Tj +/TT0 1 Tf +( )Tj +2.793 0 Td +(delegates )Tj +4.394 0 Td +(to )Tj +1.227 0 Td +(the )Tj +-40.866 -1.44 Td +(cac)Tj +1.482 0 Td +(he implementation \(see Listing 71\).)Tj +ET + +endstream +endobj +286 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 288 0 R>>endobj +287 0 obj<>endobj +288 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(121)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +(public class Hits{)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +(\205)Tj +0 -1.79 TD +( long storeHitStatistics\(String uniqueAction\) {)Tj +T* +( return this.hitStatistics.increase\(uniqueAction\);)Tj +T* +( })Tj +T* +( public void persistHitsCache\(\) {)Tj +/TT2 1 Tf +T* +( hitStore.store\(hitStatistics.getChangedEntriesAndClear\(\)\);)Tj +/TT1 1 Tf +T* +( })Tj +T* +(\205)Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 71: P)Tj +5.236 0 Td +(ersisting the Dirty Hits)Tj +-3.436 -2.24 Td +(Instead )Tj +3.41 0 Td +(of )Tj +1.187 0 Td +(updating )Tj +4.133 0 Td +(all )Tj +1.409 0 Td +(entries )Tj +3.187 0 Td +(and )Tj +1.965 0 Td +(relying )Tj +3.298 0 Td +(on )Tj +1.465 0 Td +(the )Tj +1.687 0 Td +(JP)Tj +0.779 0 Td +(A )Tj +/C2_0 1 Tf +1.02 0 Td +<0041004500480044003D0045003D0046004C0039004C004100470046000A004B0048003D003B0041005D>Tj +/TT0 1 Tf +(c )Tj +10.745 0 Td +(optimizations, )Tj +-36.086 -1.44 Td +(only )Tj +2.196 0 Td +(the )Tj +1.64 0 Td +(c)Tj +0.482 0 Td +(hanged )Tj +3.474 0 Td +(entries )Tj +3.14 0 Td +(computed )Tj +4.641 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.806 0 Td +(the )Tj +1.64 0 Td +(cac)Tj +1.482 0 Td +(hes )Tj +1.751 0 Td +(are )Tj +1.639 0 Td +(passed )Tj +3.196 0 Td +(to )Tj +/TT1 1 Tf +1.14 0 Td +(EntityManager)Tj +/TT0 1 Tf +(. )Tj +8.311 0 Td +(T)Tj +0.511 0 Td +(his )Tj +1.529 0 Td +(impro)Tj +2.544 0 Td +(v)Tj +0.488 0 Td +(ed )Tj +-41.144 -1.44 Td +(t)Tj +0.339 0 Td +(h)Tj +0.617 0 Td +(e )Tj +1.309 0 Td +(p)Tj +0.617 0 Td +(e)Tj +0.561 0 Td +(r)Tj +0.394 0 Td +(f)Tj +0.339 0 Td +(o)Tj +0.617 0 Td +(r)Tj +0.394 0 Td +(m)Tj +0.894 0 Td +(a)Tj +0.561 0 Td +(n)Tj +0.617 0 Td +(c)Tj +0.561 0 Td +(e )Tj +1.309 0 Td +(d)Tj +0.617 0 Td +(r)Tj +0.382 0 Td +(a)Tj +0.561 0 Td +(m)Tj +0.894 0 Td +(a)Tj +0.561 0 Td +(t)Tj +0.339 0 Td +(i)Tj +0.339 0 Td +(c)Tj +0.561 0 Td +(a)Tj +0.561 0 Td +(l)Tj +0.339 0 Td +(l)Tj +0.339 0 Td +(y)Tj +0.469 0 Td +(. )Tj +1.087 0 Td +(E)Tj +0.561 0 Td +(v)Tj +0.549 0 Td +(e)Tj +0.561 0 Td +(n )Tj +1.365 0 Td +(d)Tj +0.617 0 Td +(u)Tj +0.617 0 Td +(r)Tj +0.394 0 Td +(i)Tj +0.339 0 Td +(n)Tj +0.617 0 Td +(g )Tj +1.309 0 Td +(p)Tj +0.617 0 Td +(e)Tj +0.561 0 Td +(a)Tj +0.561 0 Td +(k)Tj +0.561 0 Td +(s)Tj +/TT3 1 Tf +0.45 0 Td +(,)Tj +/TT0 1 Tf +( )Tj +1.059 0 Td +(t)Tj +0.339 0 Td +(h)Tj +0.617 0 Td +(e )Tj +1.309 0 Td +(s)Tj +0.45 0 Td +(l)Tj +0.339 0 Td +(o)Tj +0.605 0 Td +(w)Tj +0.839 0 Td +(e)Tj +0.561 0 Td +(s)Tj +0.45 0 Td +(t )Tj +1.087 0 Td +(e)Tj +0.561 0 Td +(x)Tj +0.561 0 Td +(e)Tj +0.561 0 Td +(c)Tj +0.561 0 Td +(u)Tj +0.617 0 Td +(t)Tj +0.339 0 Td +(i)Tj +0.339 0 Td +(o)Tj +0.617 0 Td +(n )Tj +1.365 0 Td +(o)Tj +0.617 0 Td +(f )Tj +1.087 0 Td +(t)Tj +0.339 0 Td +(h)Tj +0.617 0 Td +(e )Tj +/TT1 1 Tf +-41.7 -1.44 Td +(Hits.persistReferersCache)Tj +/TT0 1 Tf +( )Tj +15.712 0 Td +(and )Tj +/TT1 1 Tf +2.322 0 Td +(Hits.persistHitsCache)Tj +/TT0 1 Tf +( )Tj +13.312 0 Td +(methods )Tj +4.378 0 Td +(took )Tj +2.6 0 Td +(173 )Tj +2.378 0 Td +(ms, )Tj +-40.7 -1.44 Td +(w)Tj +0.76 0 Td +(hic)Tj +1.316 0 Td +(h is about 250 times faster than the unoptimized v)Tj +21.554 0 Td +(ersion. )Tj +-21.83 -2.24 Td +(According )Tj +4.764 0 Td +(to )Tj +1.152 0 Td +(the )Tj +1.652 0 Td +(follo)Tj +1.934 0 Td +(wing )Tj +2.43 0 Td +(Donald )Tj +3.542 0 Td +(Knuth )Tj +2.875 0 Td +(quote )Tj +2.764 0 Td +(\()Tj +(http://en.wikiquote.org/wiki/Donald_Knuth)Tj +(\), )Tj +-22.912 -1.44 Td +(this )Tj +1.924 0 Td +(optimization )Tj +5.87 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.312 0 Td +(not )Tj +1.813 0 Td +(dri)Tj +1.149 0 Td +(v)Tj +0.488 0 Td +(en )Tj +1.479 0 Td +(b)Tj +0.538 0 Td +(y )Tj +0.923 0 Td +(the )Tj +1.757 0 Td +(need )Tj +2.535 0 Td +(for )Tj +1.59 0 Td +(premature )Tj +4.812 0 Td +(performance )Tj +5.868 0 Td +(impro)Tj +2.544 0 Td +(v)Tj +0.488 0 Td +(ement, )Tj +3.368 0 Td +(but )Tj +1.813 0 Td +(for )Tj +-41.033 -1.44 Td +(monitoring.)Tj +1.8 -2.24 Td +(\223)Tj +/TT4 1 Tf +(W)Tj +1.351 0 Td +(e )Tj +1.23 0 Td +(should )Tj +3.602 0 Td +(forget )Tj +3.193 0 Td +(about )Tj +3.212 0 Td +(small )Tj +/C2_1 1 Tf +2.934 0 Td +<00270028003F>Tj +/TT4 1 Tf +(ciencies, )Tj +5.731 0 Td +(sa)Tj +0.859 0 Td +(y )Tj +1.23 0 Td +(about )Tj +3.212 0 Td +(97% )Tj +2.842 0 Td +(of )Tj +1.564 0 Td +(the )Tj +2.082 0 Td +(time: )Tj +2.933 0 Td +(premature )Tj +-37.775 -1.44 Td +(optimization is the root of all evil. )Tj +14.543 0 Td +(Y)Tj +0.445 0 Td +(et we should not pass up our opportunities in that critical 3%.)Tj +/TT0 1 Tf +(\224 )Tj +-13.188 -2.24 Td +(T)Tj +0.456 0 Td +(o )Tj +0.875 0 Td +(be )Tj +1.375 0 Td +(able )Tj +2.154 0 Td +(to )Tj +1.153 0 Td +(monitor )Tj +3.709 0 Td +(the )Tj +1.653 0 Td +(cac)Tj +1.482 0 Td +(hes, )Tj +2.043 0 Td +(they )Tj +2.154 0 Td +(had )Tj +1.932 0 Td +(to )Tj +1.153 0 Td +(be )Tj +1.375 0 Td +(better )Tj +2.765 0 Td +(encapsulated. )Tj +6.229 0 Td +(W)Tj +0.982 0 Td +(ith )Tj +1.431 0 Td +(the )Tj +1.653 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(ailability )Tj +4.043 0 Td +(of)Tj +( )Tj +-41.366 -1.44 Td +(the )Tj +1.916 0 Td +(\223deltas\224 )Tj +3.971 0 Td +(between )Tj +4.25 0 Td +(the )Tj +/C2_0 1 Tf +1.916 0 Td +<005E>Tj +/TT0 1 Tf +(ushes)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.778 0 Td +(the )Tj +1.916 0 Td +(optimization )Tj +6.029 0 Td +(turned )Tj +3.361 0 Td +(out )Tj +1.972 0 Td +(to )Tj +1.416 0 Td +(be )Tj +1.638 0 Td +(a )Tj +1.082 0 Td +(one-liner)Tj +3.816 0 Td +(. )Tj +0.86 0 Td +(Here)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.943 0 Td +(the )Tj +-40.866 -1.44 Td +(performance gain w)Tj +8.595 0 Td +(as more of an accident than an intention. )Tj +-6.795 -2.24 Td +(Introducing )Tj +5.384 0 Td +(cac)Tj +1.482 0 Td +(hes )Tj +1.882 0 Td +(without )Tj +3.717 0 Td +(measuring )Tj +4.882 0 Td +(the )Tj +1.771 0 Td +(performance )Tj +5.882 0 Td +(is )Tj +1.104 0 Td +(dangerous. )Tj +5.161 0 Td +(Cac)Tj +1.649 0 Td +(hes )Tj +1.882 0 Td +(are )Tj +1.77 0 Td +(accessed )Tj +-38.366 -1.44 Td +(concurrently)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +6.051 0 Td +(and )Tj +1.967 0 Td +(they )Tj +2.189 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.855 0 Td +(to )Tj +1.189 0 Td +(store )Tj +2.411 0 Td +(entries )Tj +3.189 0 Td +(for )Tj +1.522 0 Td +(faster )Tj +2.633 0 Td +(access. )Tj +3.337 0 Td +(T)Tj +0.511 0 Td +(hey )Tj +1.911 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.855 0 Td +(to )Tj +1.189 0 Td +(maintain )Tj +4.134 0 Td +(consistenc)Tj +4.478 0 Td +(y)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +-41.45 -1.44 Td +(and )Tj +2.027 0 Td +(they )Tj +2.249 0 Td +(also )Tj +2.138 0 Td +(need )Tj +2.527 0 Td +(to )Tj +1.249 0 Td +(deal )Tj +2.249 0 Td +(with )Tj +2.305 0 Td +(memory )Tj +3.97 0 Td +(consumption )Tj +/C2_0 1 Tf +6.029 0 Td +<003D003E005D>Tj +/TT0 1 Tf +(ciently)Tj +4.132 0 Td +(. )Tj +0.693 0 Td +(In )Tj +1.249 0 Td +(fact)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +2.221 0 Td +(nai)Tj +1.316 0 Td +(v)Tj +0.488 0 Td +(ely )Tj +1.693 0 Td +(implemented )Tj +-36.532 -1.44 Td +(custom cac)Tj +4.872 0 Td +(hes often introduce loc)Tj +9.876 0 Td +(king and memory issues.)Tj +ET + +endstream +endobj +289 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 290 0 R>>endobj +290 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(122)Tj +ET + +endstream +endobj +291 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 292 0 R>>endobj +292 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(123)Tj +/TT1 1 Tf +0 Tc 0 Tw 18 0 0 18 57 624.0002 Tm +(X-r)Tj +1.321 0 Td +(a)Tj +0.47 0 Td +(y Consumer Client )Tj +64 0 0 64 443.416 539.8002 Tm +(5)Tj +/TT0 1 Tf +10 0 0 10 75 440.2002 Tm +(X-r)Tj +1.265 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.833 0 Td +(services )Tj +3.722 0 Td +(were )Tj +2.444 0 Td +(built )Tj +2.279 0 Td +(as )Tj +1.222 0 Td +(a )Tj +0.833 0 Td +(quic)Tj +1.872 0 Td +(k )Tj +0.833 0 Td +(hac)Tj +1.538 0 Td +(k )Tj +0.833 0 Td +(to )Tj +1.167 0 Td +(w)Tj +0.76 0 Td +(atc)Tj +1.26 0 Td +(h )Tj +0.889 0 Td +(some )Tj +2.611 0 Td +(str)Tj +0.988 0 Td +(ange )Tj +2.389 0 Td +(acti)Tj +1.538 0 Td +(vities )Tj +2.556 0 Td +(on )Tj +1.445 0 Td +(m)Tj +0.821 0 Td +(y )Tj +0.833 0 Td +(blog )Tj +2.223 0 Td +(in )Tj +1.167 0 Td +(real)Tj +( )Tj +-40.589 -1.44 Td +(time. )Tj +2.521 0 Td +(It )Tj +0.91 0 Td +(turned )Tj +3.133 0 Td +(out )Tj +1.744 0 Td +(that )Tj +1.966 0 Td +(the )Tj +1.688 0 Td +(majority )Tj +3.91 0 Td +(of )Tj +1.188 0 Td +(all )Tj +1.41 0 Td +(statistics )Tj +3.911 0 Td +(might )Tj +2.799 0 Td +(also )Tj +2.077 0 Td +(be )Tj +1.41 0 Td +(interesting )Tj +4.8 0 Td +(for )Tj +1.521 0 Td +(the )Tj +1.688 0 Td +(blog )Tj +2.244 0 Td +(visitors. )Tj +-38.921 -1.44 Td +(So, )Tj +1.649 0 Td +(I )Tj +0.593 0 Td +(introduced )Tj +4.984 0 Td +(an )Tj +1.371 0 Td +(additional )Tj +4.651 0 Td +(REST )Tj +2.482 0 Td +(client )Tj +2.705 0 Td +(to )Tj +1.149 0 Td +(access )Tj +3.093 0 Td +(the )Tj +1.649 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +0.815 0 Td +(services )Tj +3.704 0 Td +(via )Tj +1.593 0 Td +(HTTP/REST )Tj +5.206 0 Td +(and )Tj +1.927 0 Td +(expose )Tj +-39.199 -1.44 Td +(the interesting data directly to blog visitors in real time.)Tj +/TT1 1 Tf +12 0 0 12 57 360.6002 Tm +(REST Client in a Class)Tj +/TT0 1 Tf +10 0 0 10 75 338.2002 Tm +(T)Tj +0.511 0 Td +(he )Tj +/TT2 1 Tf +1.496 0 Td +(x-ray-services)Tj +/TT0 1 Tf +( )Tj +8.841 0 Td +(module )Tj +3.719 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.94 0 Td +(exposes )Tj +3.83 0 Td +(interesting )Tj +4.886 0 Td +(statistics )Tj +3.997 0 Td +(as )Tj +1.329 0 Td +(REST )Tj +2.607 0 Td +(services. )Tj +4.033 0 Td +(T)Tj +0.511 0 Td +(he)Tj +( )Tj +-41.144 -1.44 Td +(statistics )Tj +3.99 0 Td +(were )Tj +2.544 0 Td +(initially )Tj +3.657 0 Td +(intended )Tj +4.213 0 Td +(for )Tj +1.6 0 Td +(pri)Tj +1.149 0 Td +(v)Tj +0.476 0 Td +(ate )Tj +1.711 0 Td +(use, )Tj +2.156 0 Td +(but )Tj +1.823 0 Td +(it )Tj +0.989 0 Td +(w)Tj +0.76 0 Td +(as )Tj +1.322 0 Td +(far )Tj +1.544 0 Td +(more )Tj +2.655 0 Td +(con)Tj +1.6 0 Td +(v)Tj +0.488 0 Td +(enient )Tj +3.101 0 Td +(to )Tj +1.267 0 Td +(monitor )Tj +3.823 0 Td +(the )Tj +-40.866 -1.44 Td +(statistics )Tj +3.961 0 Td +(through )Tj +3.739 0 Td +(the )Tj +1.738 0 Td +(public )Tj +3.128 0 Td +(blog.adam-bien.com)Tj +( )Tj +9.351 0 Td +(page, )Tj +2.738 0 Td +(r)Tj +0.321 0 Td +(ather )Tj +2.571 0 Td +(than )Tj +2.294 0 Td +(using )Tj +2.683 0 Td +(pri)Tj +1.149 0 Td +(v)Tj +0.476 0 Td +(ate )Tj +1.682 0 Td +(access )Tj +3.182 0 Td +(for )Tj +1.571 0 Td +(that )Tj +-40.588 -1.44 Td +(purpose. )Tj +4.13 0 Td +(Furthermore, )Tj +5.962 0 Td +(the )Tj +1.74 0 Td +(popularity )Tj +4.797 0 Td +(of )Tj +1.24 0 Td +(blog )Tj +2.296 0 Td +(posts )Tj +2.574 0 Td +(and )Tj +2.018 0 Td +(trends )Tj +3.018 0 Td +(might )Tj +2.851 0 Td +(also )Tj +2.129 0 Td +(be )Tj +1.462 0 Td +(interesting )Tj +4.852 0 Td +(to )Tj +1.24 0 Td +(blog )Tj +-40.31 -1.44 Td +(visitors. )Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(here )Tj +2.231 0 Td +(is )Tj +1.009 0 Td +(no )Tj +1.454 0 Td +(direct )Tj +2.787 0 Td +(client)Tj +/TT3 1 Tf +(-)Tj +/TT0 1 Tf +(side )Tj +4.788 0 Td +(support )Tj +3.566 0 Td +(for )Tj +1.509 0 Td +(REST )Tj +2.509 0 Td +(in )Tj +1.176 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.842 0 Td +(EE )Tj +1.342 0 Td +(6, )Tj +1.176 0 Td +(so )Tj +1.287 0 Td +(I )Tj +0.62 0 Td +(either )Tj +2.787 0 Td +(had )Tj +1.954 0 Td +(to )Tj +1.176 0 Td +(use )Tj +1.787 0 Td +(an )Tj +1.398 0 Td +(existing )Tj +-38.921 -1.44 Td +(client )Tj +2.693 0 Td +(libr)Tj +1.433 0 Td +(ary )Tj +1.637 0 Td +(or )Tj +1.192 0 Td +(implement )Tj +4.915 0 Td +(a )Tj +0.803 0 Td +(standalone )Tj +4.972 0 Td +(client. )Tj +2.898 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.359 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y-client )Tj +3.527 0 Td +(module )Tj +3.583 0 Td +(is )Tj +0.97 0 Td +(shipped )Tj +3.695 0 Td +(with )Tj +2.193 0 Td +(the )Tj +1.637 0 Td +(Roller )Tj +-39.644 -1.44 Td +(blogging )Tj +4.094 0 Td +(softw)Tj +2.261 0 Td +(are. )Tj +1.907 0 Td +(T)Tj +0.456 0 Td +(o )Tj +0.926 0 Td +(mitigate )Tj +3.815 0 Td +(other )Tj +2.593 0 Td +(softw)Tj +2.261 0 Td +(are )Tj +1.703 0 Td +(interfering )Tj +4.76 0 Td +(with )Tj +2.26 0 Td +(the )Tj +1.704 0 Td +(Roller )Tj +2.926 0 Td +(softw)Tj +2.261 0 Td +(are )Tj +1.703 0 Td +(and )Tj +1.982 0 Td +(to )Tj +1.204 0 Td +(simplify )Tj +-38.81 -1.44 Td +(t)Tj +0.28 0 Td +(h)Tj +0.558 0 Td +(e )Tj +1.279 0 Td +(i)Tj +0.28 0 Td +(n)Tj +0.558 0 Td +(s)Tj +0.391 0 Td +(t)Tj +0.28 0 Td +(a)Tj +0.502 0 Td +(l)Tj +0.28 0 Td +(l)Tj +0.28 0 Td +(a)Tj +0.502 0 Td +(t)Tj +0.28 0 Td +(i)Tj +0.28 0 Td +(o)Tj +0.558 0 Td +(n )Tj +1.335 0 Td +(p)Tj +0.558 0 Td +(r)Tj +0.335 0 Td +(o)Tj +0.558 0 Td +(c)Tj +0.502 0 Td +(e)Tj +0.502 0 Td +(s)Tj +0.391 0 Td +(s)Tj +0.391 0 Td +(, )Tj +1.057 0 Td +(I )Tj +1.057 0 Td +(i)Tj +0.28 0 Td +(m)Tj +0.835 0 Td +(p)Tj +0.558 0 Td +(l)Tj +0.28 0 Td +(e)Tj +0.502 0 Td +(m)Tj +0.835 0 Td +(e)Tj +0.502 0 Td +(n)Tj +0.558 0 Td +(t)Tj +0.28 0 Td +(e)Tj +0.502 0 Td +(d )Tj +1.335 0 Td +(a )Tj +1.279 0 Td +(s)Tj +0.391 0 Td +(t)Tj +0.28 0 Td +(a)Tj +0.502 0 Td +(n)Tj +0.558 0 Td +(d)Tj +0.558 0 Td +(a)Tj +0.502 0 Td +(l)Tj +0.28 0 Td +(o)Tj +0.558 0 Td +(n)Tj +0.558 0 Td +(e )Tj +1.279 0 Td +(R)Tj +0.613 0 Td +(E)Tj +0.502 0 Td +(S)Tj +0.502 0 Td +(T )Tj +1.335 0 Td +(c)Tj +0.502 0 Td +(l)Tj +0.28 0 Td +(i)Tj +0.28 0 Td +(e)Tj +0.502 0 Td +(n)Tj +0.558 0 Td +(t )Tj +1.057 0 Td +(w)Tj +0.78 0 Td +(i)Tj +0.28 0 Td +(t)Tj +0.28 0 Td +(h)Tj +0.558 0 Td +(o)Tj +0.558 0 Td +(u)Tj +0.558 0 Td +(t )Tj +1.057 0 Td +(a)Tj +0.502 0 Td +(n)Tj +0.54 0 Td +(y )Tj +1.279 0 Td +(e)Tj +0.502 0 Td +(x)Tj +0.502 0 Td +(t)Tj +0.28 0 Td +(e)Tj +0.502 0 Td +(r)Tj +0.335 0 Td +(n)Tj +0.558 0 Td +(a)Tj +0.502 0 Td +(l)Tj +( )Tj +-41.922 -1.44 Td +(dependencies. )Tj +6.648 0 Td +(It )Tj +0.979 0 Td +(sounds )Tj +3.425 0 Td +(complex, )Tj +4.424 0 Td +(but )Tj +1.813 0 Td +(the )Tj +1.757 0 Td +(implementation )Tj +7.203 0 Td +(turned )Tj +3.202 0 Td +(out )Tj +1.813 0 Td +(to )Tj +1.257 0 Td +(be )Tj +1.479 0 Td +(surprisingly )Tj +5.369 0 Td +(simple )Tj +-39.366 -1.44 Td +(\(see Listing 72\))Tj +/TT3 1 Tf +(.)Tj +/TT2 1 Tf +0 -1.79 TD +(public class XRay {)Tj +0 -3.58 TD +( private String baseUrl;)Tj +0 -1.79 TD +( public final static String HITS_PER_HOUR = "hitsperhour";)Tj +T* +( public final static String MOST_POPULAR = "mostpopular";)Tj +0 -1.79 TD +( public final static String HITS_PER_MINUTE = "hitsperminute";)Tj +ET + +endstream +endobj +293 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 294 0 R>>endobj +294 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(124)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( public final static String TOTAL_HITS = "hits";)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( public final static String HITS_FOR_URI = "hits/";)Tj +0 -1.79 TD +( public final static String TRENDING = "trending?max=5";)Tj +T* +( public final static String TODAY_HITS = "hitsperday/today";)Tj +0 -3.58 TD +( public final static String YESTERDAY_HITS = "hitsperday/)Tj +0 -0.99 TD +(yesterday";)Tj +0 -1.79 TD +( private final static Logger LOG = Logger.getLogger)Tj +0 -0.99 TD +(\(XRay.class.getName\(\)\);)Tj +0 -1.79 TD +( private static final int TIMEOUT_IN_MS = 100;)Tj +0 -3.58 TD +( public XRay\(String url\) {)Tj +0 -1.79 TD +( this.baseUrl = url;)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public String getHitsPerHour\(\) {)Tj +0 -1.79 TD +( String uri = getUrl\(HITS_PER_HOUR\);)Tj +0 -1.79 TD +( return getContent\(uri\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( )Tj +T* +( public String getTotalHits\(\){)Tj +0 -1.79 TD +( String uri = getUrl\(TOTAL_HITS\);)Tj +0 -1.79 TD +( return getContent\(uri\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +(//some getters omitted)Tj +0 -3.58 TD +( public String getHitsForPost\(String post\) {)Tj +0 -1.79 TD +( String uri = getUrl\(HITS_FOR_URI\);)Tj +0 -1.79 TD +( String encoded;)Tj +T* +( try {)Tj +T* +( encoded = URLEncoder.encode\(post, "UTF-8"\);)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 77.3 Tm +( } catch \(UnsupportedEncodingException e\) {)Tj +ET +Q + +endstream +endobj +295 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 296 0 R>>endobj +296 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(125)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( LOG.log\(Level.SEVERE, "Cannot encode URI: {0} Reason: )Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 624.2 Tm +({1}", new Object[]{post, e}\);)Tj +0 -1.79 TD +( return "--";)Tj +T* +( })Tj +T* +( String postURL = uri + encoded;)Tj +T* +( return getContent\(postURL\);)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( String getUrl\(String command\) {)Tj +0 -1.79 TD +( return baseUrl + command;)Tj +T* +( })Tj +0 -1.79 TD +( String getContent\(String uri\){)Tj +0 -1.79 TD +( try {)Tj +0 -1.79 TD +( URL url = new URL\(uri\);)Tj +0 -1.79 TD +( return getContent\(url\);)Tj +T* +( } catch \(Exception ex\) {)Tj +0 -1.79 TD +( LOG.log\(Level.SEVERE, "Cannot connect to X-Ray-Services: )Tj +0 -0.99 TD +({0} Reason: {1}", new Object[]{uri, ex}\);)Tj +0 -1.79 TD +( return "--";)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( })Tj +/TT2 1 Tf +0 -3.58 TD +(String getContent\(URL url\) throws IOException {)Tj +0 -1.79 TD +( URLConnection urlConnection = url.openConnection\(\);)Tj +0 -1.79 TD +( urlConnection.setConnectTimeout\(TIMEOUT_IN_MS\);)Tj +0 -1.79 TD +( urlConnection.setReadTimeout\(TIMEOUT_IN_MS\);)Tj +T* +( InputStream stream = urlConnection.getInputStream\(\);)Tj +0 -1.79 TD +( BufferedReader br = new BufferedReader\(new InputStreamReader)Tj +0 -0.99 TD +(\(stream\)\);)Tj +0 -1.79 TD +( String line;)Tj +0 -1.79 TD +( StringBuilder content = new StringBuilder\(""\);)Tj +T* +( while \(\(line = br.readLine\(\)\) != null\) {)Tj +T* +( content.append\(line\);)Tj +0 -1.79 TD +( })Tj +ET + +endstream +endobj +297 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 299 0 R>>endobj +298 0 obj<>endobj +299 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(126)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( br.close\(\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( return content.toString\(\);)Tj +0 -1.79 TD +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 72: )Tj +4.688 0 Td +(A \223GET\224 REST Client in a Class)Tj +-2.888 -2.24 Td +(T)Tj +0.515 0 Td +(h)Tj +0.56 0 Td +(e )Tj +1.28 0 Td +(e)Tj +0.504 0 Td +(n)Tj +0.56 0 Td +(t)Tj +0.282 0 Td +(i)Tj +0.282 0 Td +(r)Tj 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-1.44 Td +(republish the method under a more con)Tj +17.106 0 Td +(v)Tj +0.488 0 Td +(enient name. )Tj +-15.794 -2.24 Td +(An )Tj +1.517 0 Td +(external )Tj +3.74 0 Td +(REST )Tj +2.462 0 Td +(libr)Tj +1.433 0 Td +(ary )Tj +1.627 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.241 0 Td +(eliminate )Tj +4.295 0 Td +(the )Tj +/TT2 1 Tf +1.629 0 Td +(getContent)Tj +/TT0 1 Tf +( )Tj +6.295 0 Td +(method )Tj +3.574 0 Td +(but )Tj +1.685 0 Td +(w)Tj +0.766 0 Td +(ould )Tj +2.241 0 Td +(also )Tj +2.018 0 Td +(introduce )Tj +-38.087 -1.44 Td +(external )Tj +3.727 0 Td +(dependencies )Tj +6.229 0 Td +(to )Tj +1.116 0 Td +(REST )Tj +2.449 0 Td +(fr)Tj +0.599 0 Td +(amew)Tj +2.599 0 Td +(orks. )Tj +2.338 0 Td +(Because )Tj +3.838 0 Td +(the )Tj +1.616 0 Td +(statistics )Tj +3.839 0 Td +(are )Tj +1.615 0 Td +(exclusi)Tj +2.983 0 Td +(v)Tj +0.488 0 Td +(ely )Tj +1.56 0 Td +(in)Tj +0.822 0 Td +(v)Tj +0.482 0 Td +(oked )Tj +2.394 0 Td +(with )Tj +2.172 0 Td +(the)Tj +( )Tj +-40.866 -1.44 Td +(GET )Tj +2.229 0 Td +(method, )Tj +3.953 0 Td +(the )Tj +1.729 0 Td +(implementation )Tj +7.176 0 Td +(of )Tj +1.229 0 Td +(an )Tj +1.451 0 Td +(HTTP/REST )Tj +5.286 0 Td +(client )Tj +2.786 0 Td +(is )Tj +1.062 0 Td +(tri)Tj +0.871 0 Td +(vial. )Tj +2.229 0 Td +(In )Tj +1.229 0 Td +(a )Tj +0.895 0 Td +(more )Tj +2.618 0 Td +(sophisticated )Tj +6.009 0 Td +(use )Tj +-40.755 -1.44 Td +(case)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( the use of an external libr)Tj +13.354 0 Td +(ary w)Tj +2.377 0 Td +(ould be far more appropriate.)Tj +/TT4 1 Tf +12 0 0 12 57 394 Tm +(T)Tj +0.482 0 Td +(imeouts )Tj +3.686 0 Td +(Are Crucial)Tj +/TT0 1 Tf +10 0 0 10 75 371.6 Tm +(As )Tj +1.444 0 Td +(alread)Tj +2.643 0 Td +(y )Tj +0.888 0 Td +(mentioned)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +/TT2 1 Tf +5.251 0 Td +(x-ray-services)Tj +/TT0 1 Tf +( )Tj +8.789 0 Td +(must )Tj +2.444 0 Td +(not )Tj +1.778 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.888 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.888 0 Td +(impact )Tj +3.333 0 Td +(on )Tj +1.5 0 Td +(the )Tj +1.722 0 Td +(stability )Tj +3.723 0 Td +(of )Tj +1.222 0 Td +(the)Tj +( )Tj +-40.866 -1.44 Td +(blogging )Tj +4.368 0 Td +(softw)Tj +2.261 0 Td +(are. )Tj +2.255 0 Td +(Statistics )Tj +4.312 0 Td +(are )Tj +1.977 0 Td +(an )Tj +1.7 0 Td +(optional )Tj +4.202 0 Td +(feature; )Tj +3.867 0 Td +(an )Tj +1.7 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +1.144 0 Td +(cr)Tj +0.821 0 Td +(ash )Tj +2.089 0 Td +(should )Tj +3.535 0 Td +(not )Tj +2.034 0 Td +(affect )Tj +2.978 0 Td +(the )Tj +-40.866 -1.44 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(ailability )Tj +4.229 0 Td +(of )Tj +1.339 0 Td +(the )Tj +1.839 0 Td +(blog. )Tj +2.599 0 Td +(T)Tj +0.511 0 Td +(his )Tj +1.728 0 Td +(reasoning )Tj +4.673 0 Td +(leads )Tj +2.728 0 Td +(to )Tj +1.339 0 Td +(another )Tj +3.784 0 Td +(conclusion: )Tj +5.508 0 Td +(x-r)Tj +1.154 0 Td +(a)Tj +0.47 0 Td +(y )Tj +1.005 0 Td +(services )Tj +3.894 0 Td +(should )Tj +3.396 0 Td +(be )Tj +-41.144 -1.44 Td +(optional. )Tj +/TT2 1 Tf +0 -1.79 TD +( String getContent\(String uri\){)Tj +T* +( try {)Tj +T* +( URL url = new URL\(uri\);)Tj +T* +( return getContent\(url\);)Tj +/TT1 1 Tf +T* +( } catch \(Exception ex\) {)Tj +T* +( LOG.log\(Level.SEVERE, "Cannot connect to x-ray services: )Tj +0 -0.99 TD +({0} Reason: {1}", new Object[]{uri, ex}\);)Tj +0 -1.79 TD +( return "--";)Tj +T* +( })Tj +/TT2 1 Tf +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 73: Exception Sw)Tj +10.487 0 Td +(allo)Tj +1.6 0 Td +(wing for )Tj +3.798 0 Td +(A)Tj +0.612 0 Td +(v)Tj +0.476 0 Td +(ailability)Tj +-15.173 -2.24 Td +(Meeting )Tj +3.785 0 Td +(this )Tj +1.785 0 Td +(requirement )Tj +5.507 0 Td +(is )Tj +0.951 0 Td +(surprisingly )Tj +5.23 0 Td +(simple. )Tj +3.359 0 Td +(All )Tj +1.507 0 Td +(exceptions )Tj +4.897 0 Td +(ha)Tj +1.026 0 Td +(v)Tj +0.488 0 Td +(e )Tj +0.784 0 Td +(to )Tj +1.118 0 Td +(be )Tj +1.34 0 Td +(caught )Tj +3.174 0 Td +(and )Tj +1.896 0 Td +(ignored. )Tj +-38.643 -1.44 Td +(A )Tj +1.043 0 Td +(\223\227\223 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)Tj +T* +( Today's hits: $xraymodel.xray.todayHits
)Tj +T* +( Post reads / hour: $xraymodel.xray.hitsPerHour
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+1.344 0 Td +(d)Tj +0.688 0 Td +(i)Tj +0.411 0 Td +(r)Tj +0.466 0 Td +(e)Tj +0.632 0 Td +(c)Tj +0.632 0 Td +(t)Tj +0.411 0 Td +(l)Tj +0.41 0 Td +(y )Tj +1.344 0 Td +(i)Tj +0.41 0 Td +(n)Tj +0.689 0 Td +(t)Tj +0.41 0 Td +(o )Tj +1.4 0 Td +(a )Tj +1.344 0 Td +(J)Tj +0.411 0 Td +(S)Tj +0.632 0 Td +(F )Tj +1.344 0 Td +(p)Tj +0.688 0 Td +(a)Tj +0.633 0 Td +(g)Tj +0.632 0 Td +(e )Tj +1.344 0 Td +(u)Tj +0.688 0 Td +(s)Tj +0.522 0 Td +(i)Tj +0.41 0 Td +(n)Tj +0.688 0 Td +(g )Tj +1.344 0 Td +(a)Tj +0.633 0 Td +(n )Tj +1.4 0 Td +(E)Tj +0.632 0 Td +(L )Tj +1.344 0 Td +(e)Tj +0.633 0 Td +(x)Tj +0.632 0 Td +(p)Tj +0.689 0 Td +(r)Tj +0.466 0 Td +(e)Tj +0.632 0 Td +(s)Tj +0.522 0 Td +(s)Tj +0.521 0 Td +(i)Tj +0.41 0 Td +(o)Tj +0.689 0 Td +(n)Tj +0.688 0 Td +(: )Tj +/TT1 1 Tf +1.122 0 Td +(#)Tj +-41.6 -1.44 Td +({xraymodel.xray.yesterdayHits})Tj +/TT2 1 Tf +(.)Tj +/TT3 1 Tf +12 0 0 12 57 431 Tm +(Roller Integr)Tj +5.489 0 Td +(ation)Tj +/TT0 1 Tf +10 0 0 10 75 408.6 Tm +(T)Tj +0.511 0 Td +(he x-r)Tj +2.488 0 Td +(a)Tj +0.47 0 Td +(y/Roller integr)Tj +6.045 0 Td +(ation is ac)Tj +4.373 0 Td +(hiev)Tj +1.822 0 Td +(ed with the classic Gang of F)Tj +12.405 0 Td +(our )Tj +1.686 0 Td +(Adapter pattern )Tj +-31.6 -1.44 Td +(\()Tj +(http://en.wikipedia.org/wiki/Adapter_pattern)Tj +(\). )Tj +20.13 0 Td +(An )Tj +1.548 0 Td +(adapter )Tj +3.548 0 Td +(implements )Tj +5.326 0 Td +(a )Tj +0.825 0 Td +(compatible )Tj +5.16 0 Td +(interface )Tj +4.048 0 Td +(and )Tj +-40.588 -1.44 Td +(delegates all calls to the incompatible interface \(see Listing 75\). )Tj +/TT1 1 Tf +0 -1.79 TD +(import org.apache.roller.weblogger.ui.rendering.model.Model;)Tj +T* +(public class XRayModel implements Model{)Tj +T* +( public static final String XRAYMODEL_NAME = "xraymodel";)Tj +0 -3.58 TD +( private Map configuration;)Tj +0 -1.79 TD +( private XRay xray;)Tj +0 -1.79 TD +( public final static String URL = "http://192.168.0.50:5380/x-ray/)Tj +0 -0.99 TD +(resources/";)Tj +0 -1.79 TD +( public final static String XRAYURL = "XRAY-URL";)Tj +0 -3.58 TD +( @Override)Tj +0 -1.79 TD +( public void init\(Map map\) {)Tj +T* +( this.configuration = map;)Tj +T* +( this.xray = initializeXRay\(this.configuration\);)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( @Override)Tj +ET + +endstream +endobj +304 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 305 0 R>>endobj +305 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(129)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( public String getModelName\(\) {)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( return XRAYMODEL_NAME;)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( public XRay getXray\(\){)Tj +0 -1.79 TD +( return xray;)Tj +0 -1.79 TD +( })Tj +0 -3.58 TD +( String extractUrl\(Map map\){)Tj +0 -1.79 TD +( if\(map == null\){)Tj +0 -1.79 TD +( return URL;)Tj +0 -1.79 TD +( })Tj +0 -1.79 TD +( String url = \(String\) map.get\(XRAYURL\);)Tj +0 -1.79 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+/TT0 1 Tf +( )Tj +2.744 0 Td +(API )Tj +1.882 0 Td +(class; )Tj +2.715 0 Td +(r)Tj +0.321 0 Td +(ather)Tj +2.093 0 Td +(, )Tj +0.659 0 Td +(it )Tj +0.937 0 Td +(exposes )Tj +3.771 0 Td +(the )Tj +/TT1 1 Tf +1.715 0 Td +(XRay)Tj +/TT0 1 Tf +( )Tj +2.781 0 Td +(class )Tj +2.437 0 Td +(with )Tj +2.271 0 Td +(a )Tj +0.881 0 Td +(getter)Tj +2.315 0 Td +(. )Tj +0.762 0 Td +( )Tj +0.307 0 Td +(T)Tj +0.511 0 Td +(he )Tj +1.437 0 Td +(o)Tj +0.544 0 Td +(v)Tj +0.488 0 Td +(erridden )Tj +-38.588 -1.44 Td +(method )Tj +/TT1 1 Tf +3.668 0 Td +(getModelName)Tj +/TT0 1 Tf +( )Tj +7.59 0 Td +(returns )Tj +3.334 0 Td +(the )Tj +1.723 0 Td +(name )Tj +2.778 0 Td +(to )Tj +1.223 0 Td +(be )Tj +1.445 0 Td +(used )Tj +2.39 0 Td +(in )Tj +1.223 0 Td +(the )Tj +1.723 0 Td +(template )Tj +4.112 0 Td +(to )Tj +1.223 0 Td +(access )Tj +3.167 0 Td +(the )Tj +1.723 0 Td +(model. )Tj +3.316 0 Td +(T)Tj +0.511 0 Td +(he )Tj +/C2_0 1 Tf +-41.144 -1.44 Td +<005D>Tj +/TT0 1 Tf +(rst )Tj +1.937 0 Td +(segment )Tj +3.937 0 Td +(in )Tj +1.215 0 Td +(the )Tj +1.715 0 Td +(path )Tj +/TT1 1 Tf +2.271 0 Td +($xraymodel.xray.mostPopularAsHtml)Tj +/TT0 1 Tf +( )Tj +20.184 0 Td +(is )Tj +1.048 0 Td +(the )Tj +1.715 0 Td +(return )Tj +2.937 0 Td +(v)Tj +0.476 0 Td +(alue )Tj +2.215 0 Td +(of )Tj +1.215 0 Td +(the )Tj +/TT1 1 Tf +-40.866 -1.44 Td +(getModelName)Tj +/TT0 1 Tf +( )Tj +7.614 0 Td +(method, )Tj +3.97 0 Td +(the )Tj +1.746 0 Td +(next )Tj +2.247 0 Td +(is )Tj +1.079 0 Td +(the )Tj +/TT1 1 Tf +1.746 0 Td +(XRayModel#getXray\(\))Tj +/TT0 1 Tf +( )Tj +11.814 0 Td +(method)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +3.941 0 Td +(and )Tj +2.025 0 Td +(the )Tj +1.746 0 Td +(last )Tj +1.857 0 Td +(is )Tj +1.079 0 Td +(the )Tj +-40.866 -1.44 Td +(property of the )Tj +/TT1 1 Tf +(XRay)Tj +/TT0 1 Tf +( object itself.)Tj +1.8 -2.24 Td +(T)Tj +0.511 0 Td +(he )Tj +/TT1 1 Tf +1.458 0 Td +(XRayModel)Tj +/TT0 1 Tf +( )Tj +5.803 0 Td +(class )Tj +2.458 0 Td +(together )Tj +3.903 0 Td +(with )Tj +2.292 0 Td +(the )Tj +/TT1 1 Tf +1.736 0 Td +(XRay)Tj +/TT0 1 Tf +( )Tj +2.802 0 Td +(client )Tj +2.792 0 Td +(are )Tj +1.735 0 Td +(pac)Tj +1.538 0 Td +(kaged )Tj +2.958 0 Td +(in )Tj +1.236 0 Td +(a )Tj +0.902 0 Td +(self-containing )Tj +6.738 0 Td +(J)Tj +0.26 0 Td +(AR)Tj +( )Tj +ET + +endstream +endobj +306 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 307 0 R>>endobj +307 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(130)Tj +/C2_0 1 Tf +0 Tc 0 Tw -20.132 57.06 Td +<005D>Tj +/TT0 1 Tf +(le and deplo)Tj +5.936 0 Td +(y)Tj +0.482 0 Td +(ed together with the Roller application.)Tj +ET + +endstream +endobj +308 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text]>>/Type/Page/Contents 310 0 R>>endobj +309 0 obj<>endobj +310 0 obj<>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(131)Tj +/TT1 1 Tf +0 Tc 0 Tw 18 0 0 18 57 624 Tm +(Dev)Tj +1.766 0 Td +(elopment Process)Tj +64 0 0 64 443.416 539.8 Tm +(6)Tj +/TT0 1 Tf +10 0 0 10 75 461.4 Tm +(Dev)Tj +1.766 0 Td +(elopment )Tj +4.392 0 Td +(of )Tj +1.169 0 Td +(enterprise )Tj +4.558 0 Td +(applications )Tj +5.56 0 Td +(shouldn\222)Tj +3.688 0 Td +(t )Tj +0.613 0 Td +(be )Tj +1.391 0 Td +(an)Tj +1.038 0 Td +(y )Tj +0.835 0 Td +(different )Tj +3.892 0 Td +(than )Tj +2.225 0 Td +(dev)Tj +1.544 0 Td +(elopment )Tj +4.392 0 Td +(of )Tj +1.169 0 Td +(plain )Tj +-40.032 -1.44 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.876 0 Td +(SE )Tj +1.377 0 Td +(applications. )Tj +5.879 0 Td +(J)Tj +0.266 0 Td +(a)Tj +0.47 0 Td +(v)Tj +0.476 0 Td +(a )Tj +0.876 0 Td +(SE )Tj +1.377 0 Td +(applications )Tj +5.601 0 Td +(are )Tj +1.709 0 Td +(built )Tj +2.322 0 Td +(according )Tj +4.655 0 Td +(to )Tj +1.21 0 Td +(the )Tj +1.71 0 Td +(\223Write, )Tj +3.487 0 Td +(Compile, )Tj +4.248 0 Td +(T)Tj +0.456 0 Td +(est, )Tj +1.821 0 Td +(Run\224 )Tj +-40.033 -1.44 Td +(c)Tj +0.476 0 Td +(ycle, )Tj +2.668 0 Td +(w)Tj +0.76 0 Td 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)-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 478 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(151)Tj +/TT1 1 Tf +0 Tc 0 Tw 18 0 0 18 57 624 Tm +[(J)12(a)30(v)24(a EE Lo)12(v)12(es Stress and Laughs )37(About JUnit)]TJ +64 0 0 64 443.416 539.8 Tm +(7)Tj +/TT0 1 Tf +10 0 0 10 75 461.4 Tm +[(Unit )-69(tests )-69(are )-69(absolutely )-69(necessary )-69(to )-69(v)24(alidate )-69(the )-69(functionality )-69(of )-69(y)18(our )-69(business )-69(logic. )-32(At )-69(the )]TJ +-1.795 -1.44 Td +[(same )-104(time, )-104(the )-104(necessary )-104(surrounding )-104(infr)12(astructure )-104(makes )-104(y)18(our )-104(life )-104(harder )-104(and )-104(slo)12(ws )-104(do)12(wn )-104(the )]TJ +0 -1.44 TD +[(execution )-112(time, )-112(so )-112(it )-112(is )-112(a )-112(good )-112(idea )-112(to )-112(moc)18(k )-112(out )-112(the )-112(incon)12(v)12(enient )-112(infr)12(astructure. )-112(In )-112(production, )]TJ +0.001 -1.44 Td +[(ho)12(wev)12(er)74(, y)18(our code will be executed against the real infr)12(astructure. )]TJ +1.8 -2.24 Td +[(T)45(he )-105(correct )-105(inter)12(action )-105(among )-105(all )-105(components )-105(is )-105(v)24(alidated )-105(during )-105(local )-105(integr)12(ation )-105(tests )-105(\(for )]TJ +-1.795 -1.44 Td +[(example, )-305(with )-268(Arquillian\) )-305(and )-305(remote )-305(integr)12(ation )-305(tests. )-305(Remote )-305(integr)12(ation )-305(tests )-305(are )-305(usually )]TJ +-0.003 -1.44 Td +[(performed )-144(in )-144(an )-144(integr)12(ation )-144(en)12(vironment. )-144(Unit )-144(tests )-144(fr)12(amew)12(orks)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-144(suc)18(h )-144(as )-144(JUnit )-144(\(http://junit.org\))]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +0.001 -1.44 Td +[(are )-166(often )-166(\223misused\224 )-166(in )-166(a )-166(good )-166(w)18(a)30(y )-166(for )-166(the )-166(implementation )-166(of )-166(a )-166(test )-166(dri)18(v)12(er)74(. )-129(A )-166(unit )-166(test )-166(usually )]TJ +0.004 -1.44 Td +[(in)12(v)18(okes the real \(REST\) service and v)24(alidates the result against the expected assumptions.)]TJ +1.8 -2.24 Td +[(Although )-91(applications )-91(alw)18(a)30(ys )-91(run )-91(concurrently )-91(in )-91(production, )-91(unit )-91(tests )-91(and )-91(integr)12(ation )-91(tests )]TJ +-1.795 -1.44 Td +[(are )-88(executed )-88(in )-88(a )-88(single )-88(thread )-88(sequentially)92(. )-88(Contention, )-88(tr)12(ansaction )-88(isolation, )-88(cac)18(hing )-88(beha)30(vior)74(, )]TJ +0.005 -1.44 Td +[(memory )-183(consumption, )-183(consistenc)24(y)92(, )-183(performance)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-183(and )-183(robustness )-183(aspects)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-183(in )-183(particular)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-183(can )-183(be )]TJ +T* +[(viably )-28(tested )-28(only )-28(under )-28(massi)18(v)12(e )-28(concurrenc)24(y)92(. )46(T)45(he )-28(earlier )-28(y)18(ou )-28(test )-28(the )-28(concurrenc)24(y)92(, )-28(the )-28(easier )-28(it )-28(is )]TJ +/C2_0 1 Tf +0.002 -1.44 Td +<004C00470001005D>Tj +/TT0 1 Tf +(x the bugs.)Tj +/TT1 1 Tf +12 0 0 12 57 221.8001 Tm +[(Stress \(T)100(est\) Kills Slo)12(wly)]TJ +/TT0 1 Tf +10 0 0 10 75 199.4001 Tm +[(Stress )-97(tests )-97(are )-97(fun. )-60(And )-97(there )-97(is )-97(only )-97(one )-97(mission: )-97(\223Kill )-97(My )-97(Serv)12(er)]TJ +/TT2 1 Tf +(.)Tj +/TT0 1 Tf +[(\224 )-23(T)45(he )-97(more )-97(load )-97(y)18(ou )-97(are )]TJ +-1.808 -1.44 Td +[(able to gener)12(ate to \223kill the serv)12(er)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[(\224 the better)74(. )]TJ +1.8 -2.24 Td +[(Stress )-168(tests )-168(are )-168(great )-168(for )-168(learning )-168(about )-168(the )-168(beha)30(vior )-168(of )-168(an )-168(application )-168(serv)12(er )-168(under )-168(hea)30(vy )]TJ +-1.796 -1.44 Td +[(load. )-38(Memory )-38(consumption, )-38(the )-38(typical )-38(number )-38(of )-38(w)12(orker )-38(threads, )-38(the )-38(usual )-38(depth )-38(of )-38(the )-38(request )]TJ +0.004 -1.44 Td +[(queue, )-27(the )-27(number )-27(of )-27(rolled )-27(bac)18(k )-27(tr)12(ansactions, )-27(the )-27(number )-27(of )-27(requests )-27(per )-27(second)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-27(or )-27(the )-27(number )]TJ +-0.003 -1.44 Td +[(and )-382(length )-382(of )-382(major )-382(garbage )-382(collections )-382(are )-382(only )-382(a )-382(few )-382(examples )-382(of )-382(interesting )-382(runtime )]TJ +0.001 -1.44 Td +[(par)12(ameters. )]TJ +1.8 -2.24 Td +[(Y)129(ou )-233(should )-233(test )-233(under )-233(hea)30(vy )-233(load )-233(not )-233(only )-233(the )-233(application )-233(serv)12(er )-233(beha)30(vior)74(, )-233(but )-233(also )-233(the )]TJ +0 g +/GS1 gs +/TT3 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT4 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT3 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 479 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(144)Tj +ET +q +452 570.8 -377 -350.75 re +W n +q +378.1170502 0 0 351.8666382 74.4414825 219.4918671 cm +/Im0 Do +Q +Q +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 75 200.4 Tm +[(F)18(igure 6: F)]TJ +/C2_0 1 Tf +4.521 0 Td +<0041004C0046003D004B004B003D0001001F00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation in Hudson)]TJ +/TT1 1 Tf +12 0 0 12 57 164 Tm +[(Build )92(Y)129(our F)18(itnesse)]TJ +/TT0 1 Tf +10 0 0 10 75 141.6 Tm +[(F)18(itnesse )-74(test )-74(code )-74(is )-74(built )-74(and )-74(tested )-74(as )-74(a )-74(standalone )-74(Ma)30(v)12(en )-74(module. )-74(It )-74(is )-74(pac)18(kaged )-74(as )-74(a )-74(J)18(AR )]TJ +-1.799 -1.44 Td +[(project \(see Listing 83\) with the F)18(itnesse and )]TJ +/TT2 1 Tf +(fitlibrary)Tj +/TT0 1 Tf +( dependencies.)Tj +/TT2 1 Tf +1.8 -3.58 Td +()]TJ +ET + +endstream endobj 480 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(138)Tj +/TT1 1 Tf +0 Tc 0 Tw -18.332 57.06 Td +(x-ray-services)Tj +/TT0 1 Tf +[( )-294(is )-292(deplo)12(y)18(ed )-292(\(with )-292(the )-292(alread)24(y )-292(discussed )]TJ +/TT1 1 Tf +27.789 0 Td +(asadmin)Tj +/TT0 1 Tf +[( )-293(deplo)12(y )-292(command )]TJ +-29.591 -1.44 Td +[(wr)12(apped )-260(as )-260(the )]TJ +/TT1 1 Tf +7.604 0 Td +(x-ray-deploy)Tj +/TT0 1 Tf +[( )-262(Hudson )-260(job\) )-260(into )-260(the )-260(freshly )-260(created )-260(and )-260(started )-260(GlassF)18(ish )]TJ +/TT1 1 Tf +-7.609 -1.44 Td +(x-ray)Tj +/TT0 1 Tf +[( )-6(domain. )31(After )-6(the )-5(deplo)12(yment )-6(of )-5(the )-5(application, )-6(the)]TJ +/TT1 1 Tf +[( )-6(x-ray-fitnesse)]TJ +/TT0 1 Tf +[( )-7(job )-6(executes )-5(the )]TJ +0.001 -1.44 Td +[(functional tests remotely)92(. )]TJ +/TT2 1 Tf +12 0 0 12 57 550 Tm +[(F)18(itnesse + J)12(a)30(v)24(a EE = Good F)37(riends)]TJ +/TT0 1 Tf +10 0 0 10 75 527.6 Tm +[(Functional )-109(tests )-109(are )-109(similar )-109(to )-109(integr)12(ation )-109(tests )-109(\(and )-109(sometimes )-109(ev)12(en )-109(unit )-109(tests\), )-109(but )-109(they )-109(are )]TJ +-1.794 -1.44 Td +[(dedicated )-53(to )-53(stakeholders )-53(with )-53(domain )-53(or )-53(business )-53(responsibilities. )-53(Integr)12(ation )-53(tests )-53(are )-53(dri)18(v)12(en )-53(b)18(y )]TJ +0.005 -1.44 Td +[(dev)12(elopers and functional tests are dri)18(v)12(en b)18(y product o)12(wners or business experts. )]TJ +1.8 -2.24 Td +[(T)45(he )-230(primary )-230(goal )-230(of )-230(functional )-230(tests )-230(is )-230(the )-230(v)]TJ +/C2_0 1 Tf +20.291 0 Td +<003D004A0041005D>Tj +/TT0 1 Tf +[(cation )-230(of )-230(the )-230(correct )-230(functionality )-230(of )-230(the )]TJ +-22.089 -1.44 Td +[(system. )-101(F)18(itnesse )-101(\()]TJ +/C2_0 1 Tf +<0040004C004C00480017000C000C005D>Tj +/TT0 1 Tf +[(tnesse.org\) )-101(is )-101(an )-101(excellent )-101(tool )-101(for )-101(bridging )-101(the )-101(gap )-101(between )-101(dev)12(elopers )]TJ +-0.001 -1.44 Td +[(and )-61(domain )-61(experts. )-61(Domain )-61(experts )-61(are )-61(able )-61(to )-61(maintain )-61(the )]TJ +/C2_0 1 Tf +27.286 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +[(cation )-61(and )-61(execute )-61(the )-61(tests )]TJ +-27.283 -1.44 Td +[(without an)18(y dev)12(eloper interv)12(ention. )]TJ +1.8 -2.24 Td +[(F)18(itnesse )-40(is )-40(a )-40(\223wiki )-40(on )-40(steroids\224 )-40(that )-40(comes )-40(with )-40(its )-40(o)12(wn )-40(read)24(y-to-use )-3(W)37(eb )-40(serv)12(er)74(. )-3(A )-40(wiki )-40(page )]TJ +-1.798 -1.44 Td +[(can )-274(be )-274(created, )-274(v)12(ersioned)]TJ +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +[( )-274(and )-274(maintained )-274(directly )-274(from )-274(the )-274(UI. )-237(W)18(iki )-274(tables )-274(are )-274(treated )-274(as )]TJ +-0.002 -1.44 Td +[(\223bidirectional\224 )-236(test )-236(data )]TJ +/C2_0 1 Tf +11.156 0 Td +<0006005D>Tj +/TT0 1 Tf +[(xture\). )-162(T)45(he )-236(input )-236(is )-236(parsed )-236(and )-236(passed )-236(to )-236(a )-236(declared )]TJ +/C2_0 1 Tf +25.474 0 Td +<005D>Tj +/TT0 1 Tf +[(xture )-236(class. )]TJ +-36.629 -1.44 Td +(V)Tj +/C2_0 1 Tf +0.612 0 Td +<003D004A0041005D>Tj +/TT0 1 Tf +[(cation )-1(is )-1(performed )-1(and )-1(the )-1(actual )-1(outcome )-1(is )-1(compared )-1(with )-1(the )-1(expected )-1(result. )-1(Successful )]TJ +-0.616 -1.44 Td +(tests are highlighted as green cells, failed tests are red)Tj +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +[( and exceptions are y)18(ello)12(w \(see F)18(igure 5\).)]TJ +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 481 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(131)Tj +/TT1 1 Tf +0 Tc 0 Tw 18 0 0 18 57 624 Tm +[(Dev)12(elopment Process)]TJ +64 0 0 64 443.416 539.8 Tm +(6)Tj +/TT0 1 Tf +10 0 0 10 75 461.4 Tm +[(Dev)12(elopment )-57(of )-57(enterprise )-57(applications )-57(shouldn\222)37(t )-57(be )-57(an)18(y )-57(different )-57(than )-57(dev)12(elopment )-57(of )-57(plain )]TJ +-1.8 -1.44 Td +[(J)12(a)30(v)24(a )-98(SE )-99(applications. )-98(J)12(a)30(v)24(a )-98(SE )-99(applications )-98(are )-98(built )-98(according )-98(to )-98(the )-98(\223Write, )-98(Compile, )-24(T)100(est, )-98(Run\224 )]TJ +-0.005 -1.44 Td +[(c)24(ycle, )-334(w)18(hic)18(h )-334(should )-334(also )-334(be )-334(applicable )-334(to )-334(J)12(a)30(v)24(a )-334(EE )-334(applications. )-334(Unfortunately)92(, )-334(because )-334(of )]TJ +-0.003 -1.44 Td +[(dependencies )-347(on )-347(external )-347(resour)12(ces )-347(and )-347(serv)12(er )-347(runtime, )-347(running )-347(and )-347(testing )-347(an )-347(enterprise )]TJ +-0.005 -1.44 Td +[(application )-89(without )-89(an)18(y )-89(impro)12(v)12(ement )-89(takes )-89(too )-89(long. )-52(Also )-89(setup, )]TJ +/C2_0 1 Tf +28.791 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-89(and )-89(deplo)12(yment )]TJ +-28.79 -1.44 Td +[(are )-174(too )-174(complex )-174(to )-174(be )-174(performed )-174(in )-174(an )-174(ad-hoc )-174(manner )-174(manually)92(. )-174(By )-174(splitting )-174(the )-174(testing )-174(into )]TJ +0 -1.44 TD +[(sev)12(er)12(al )-173(manageable )-173(c)18(hunks, )-173(and )-173(introducing )-173(automated )-173(setup, )]TJ +/C2_0 1 Tf +28.346 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-173(and )-173(deplo)12(yment, )]TJ +-28.344 -1.44 Td +[(y)18(ou can get remarkably close to a build c)24(ycle of a plain J)12(a)30(v)24(a SE application. )]TJ +1.8 -2.24 Td +[(A )-203(fully )-203(automated )-203(build )-203(and )-203(deplo)12(yment )-203(c)24(ycle )-203(is )-203(the )]TJ +/C2_0 1 Tf +24.635 0 Td +<005D>Tj +/TT0 1 Tf +[(rst )-203(step )-203(to)12(w)18(ards )-203(the )-203(DevOps )-203(idea )]TJ +-26.432 -1.44 Td +[(\(http://en.wikipedia.org/wiki/DevOps\), )-175(w)18(here )-175(the )-175(boundary )-175(between )-175(dev)12(elopers )-175(and )-175(oper)12(ations )]TJ +T* +(blurs.)Tj +1.8 -2.24 Td +[(T)45(he )-83(separ)12(ation )-83(between )-83(dev)12(elopers )-83(and )-83(oper)12(ations )-83(is )-83(r)12(ather )]TJ +/C2_0 1 Tf +26.47 0 Td +<0039004A004C0041005D>Tj +/TT0 1 Tf +[(cial. )-46(A )-83(dev)12(eloper )-83(has )-83(to )-83(set )]TJ +-28.273 -1.44 Td +[(up )-39(the )-38(en)12(vironment )-38(for )-38(dev)12(elopment )-38(and )-39(test )-39(and )-38(could )-39(reuse )-39(his )-39(automated )-38(process )-39(for )-38(building )]TJ +T* +[(the )-265(integr)12(ation )-265(en)12(vironment )-265(and )-265(ev)12(en )-265(the )-265(production )-265(en)12(vironment )-265(as )-265(well. )-265(DevOps )-265(tries )-265(to )]TJ +0.003 -1.44 Td +[(automate )-275(ev)12(ery )-275(reasonable )-275(step )-275(and )-275(treat )-275(the )-275(recipe )-275(as )-275(code. )-238(A )-275(fully )-275(automated )-275(process )-275(is )]TJ +0.003 -1.44 Td +[(repeatable, )-94(so )-94(y)18(ou )-94(can )-94(apply )-94(the )-94(same )-94(par)12(ameterized )-94(automation )-94(for )-94(local, )-94(test, )-94(integr)12(ation )-94(and )]TJ +-0.005 -1.44 Td +[(ev)12(en production en)12(vironments.)]TJ +/TT1 1 Tf +12 0 0 12 57 178.6001 Tm +[(Build and Deplo)12(yment)]TJ +/TT0 1 Tf +10 0 0 10 75 156.2001 Tm +[(X-r)12(a)30(y )-59(w)18(as )-59(dev)12(eloped )-59(with )-59(NetBeans )-59(7 )-59(\(J)12(a)30(v)24(a )-59(EE )-59(edition, )-59(http://www)74(.netbeans.org\), )-59(tested )-59(with )]TJ +-1.802 -1.44 Td +[(GlassF)18(ish )-56(v3.1, )-56(and )-56(built )-56(with )-56(Ma)30(v)12(en )-56(3 )-56(as )-56(a )-56(J)12(a)30(v)24(a )-56(EE )-56(6 )-56(project. )-56(It )-56(consists )-56(of )-56(eight )-56(Ma)30(v)12(en )-56(projects )]TJ +-0.008 -1.44 Td +[(\(some )-286(are )-286(prototypes\). )-212(T)45(he )-286(bac)18(k-end )-286(code )-286(discussed )-286(in )-286(this )-286(book )-286(comes )-286(from )-286(the )]TJ +/TT3 1 Tf +38.595 0 Td +(x-ray-)Tj +-38.599 -1.44 Td +(services)Tj +/TT0 1 Tf +[( )-89(module. )-14(T)45(he )]TJ +/TT3 1 Tf +10.949 0 Td +(x-ray-services)Tj +/TT0 1 Tf +[( )-89(module )-88(is )-88(a )-88(self-contained )-88(J)12(a)30(v)24(a )-88(EE )-88(6 )-51(W)45(AR )]TJ +/C2_0 1 Tf +27.663 0 Td +<005D>Tj +/TT0 1 Tf +[(le )-88(with )]TJ +-38.61 -1.44 Td +[(REST)111(, EJB beans, CDI managed beans, and JP)55(A 2 entities. )]TJ +1.8 -2.24 Td +[(I created the structure of the J)12(a)30(v)24(a EE 6 project with a Ma)30(v)12(en plug-in called \223ar)12(c)18(hetype\224 )]TJ +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 482 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(124)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( public final static String TOTAL_HITS = "hits";)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( public final static String HITS_FOR_URI = "hits/";)Tj +0 -1.79 TD +( public final static String TRENDING = "trending?max=5";)Tj +T* +( public final static String TODAY_HITS = "hitsperday/today";)Tj +0 -3.58 TD +( public final static String YESTERDAY_HITS = "hitsperday/)Tj +0 -0.99 TD +(yesterday";)Tj +0 -1.79 TD +( private final static Logger LOG = Logger.getLogger)Tj +0 -0.99 TD +(\(XRay.class.getName\(\)\);)Tj +0 -1.79 TD +( private static final int TIMEOUT_IN_MS = 100;)Tj +0 -3.58 TD +( public XRay\(String url\) {)Tj +0 -1.79 TD +( this.baseUrl = url;)Tj +T* +( })Tj +0 -3.58 TD +( public String getHitsPerHour\(\) {)Tj +0 -1.79 TD +( String uri = getUrl\(HITS_PER_HOUR\);)Tj +T* +( return getContent\(uri\);)Tj +T* +( })Tj +T* +( )Tj +T* +( public String getTotalHits\(\){)Tj +T* +( String uri = getUrl\(TOTAL_HITS\);)Tj +T* +( return getContent\(uri\);)Tj +T* +( })Tj +0 -3.58 TD +(//some getters omitted)Tj +T* +( public String getHitsForPost\(String post\) {)Tj +0 -1.79 TD +( String uri = getUrl\(HITS_FOR_URI\);)Tj +T* +( String encoded;)Tj +T* +( try {)Tj +T* +( encoded = URLEncoder.encode\(post, "UTF-8"\);)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 77.3 Tm +( } catch \(UnsupportedEncodingException e\) {)Tj +ET +Q +BT +0 g +/GS1 gs +/TT2 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT3 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT2 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 483 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(118)Tj +0 Tc 0 Tw -20.132 57.06 Td +[(the )-214(method )]TJ +/TT1 1 Tf +5.597 0 Td +(loggerNameCorrespondsToClassNameNoDebug)Tj +/TT0 1 Tf +[(, )-218(the )]TJ +/C2_0 1 Tf +26 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation-dependent )]TJ +-31.596 -1.44 Td +[(i)-35(n)-35(j)-35(e)-35(c)-35(t)-35(i)-35(o)-35(n )-518(o)-35(f )-518(t)-35(h)-35(e )]TJ +/TT1 1 Tf +8.721 0 Td +[(X)-35(R)-35(a)-35(y)-35(L)-35(o)-35(g)-35(g)-35(e)-35(r)]TJ +/TT0 1 Tf +[( )-518(r)-35(e)-35(a)-35(l)-35(i)-35(z)-35(a)-35(t)-35(i)-35(o)-35(n )-518(i)-35(s )-518(v)-11(a)-35(l)-35(i)-35(d)-35(a)-35(t)-35(e)-35(d)-35(. )-518(I)-35(t )-518(i)-35(s )-518(a)-35(n )-518(e)-35(a)-35(s)-35(y )-518(t)-35(a)-35(s)-35(k )-518(b)-35(e)-35(c)-35(a)-35(u)-35(s)-35(e )]TJ +/TT1 1 Tf +-8.736 -1.44 Td +(LoggerProducerIT)Tj +/TT0 1 Tf +[( )-37(has )-35(direct )-35(access )-35(to )]TJ +/TT1 1 Tf +18.669 0 Td +(LogUser)Tj +/TT0 1 Tf +[( )-36(as )-35(well )-35(as )]TJ +/TT1 1 Tf +9.065 0 Td +(Configuration)Tj +/TT0 1 Tf +[(. )-36(In )-35(the )-35(method )]TJ +/TT1 1 Tf +-27.735 -1.44 Td +(createTestArchive)Tj +/TT0 1 Tf +(, )Tj +/TT1 1 Tf +10.797 0 Td +(DebugConfigurationProvider)Tj +/TT0 1 Tf +[( )-41(is )-39(deplo)12(y)18(ed, )-39(w)18(hic)18(h )-39(sets )-39(the )-39(v)24(alue )-39(of )]TJ +-10.796 -1.44 Td +(the )Tj +/TT1 1 Tf +(debug)Tj +/TT0 1 Tf +( entry to )Tj +/TT1 1 Tf +(true)Tj +/TT0 1 Tf +( \(see Listing 69\).)Tj +/TT1 1 Tf +1.8 -2.12 Td +(public class DebugConfigurationProvider implements )Tj +-1.8 -1.32 Td +(ConfigurationProvider{)Tj +1.8 -4.24 Td +( @Override)Tj +0 -2.12 TD +( public Map getConfiguration\(\) {)Tj +T* +( return new HashMap\(\){{)Tj +T* +( put\("debug", "true"\);)Tj +T* +( }};)Tj +T* +( })Tj +T* +(})Tj +/C2_0 1 Tf +-1.8 -2.24 Td +<00280041004B004C00410046003F000100130016001700010020003D003A004D003F0001001F00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation Helper)]TJ +1.8 -2.24 Td +(Also)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +/TT1 1 Tf +2.544 0 Td +(DebugConfigurationProvider )Tj +/TT0 1 Tf +16.328 0 Td +[(w)18(as )-126(dev)12(eloped )-126(exclusi)18(v)12(ely )-126(for )-126(test )-126(purposes. )-52(T)45(he )]TJ +-20.67 -1.44 Td +[(sour)12(ce )-108(code )-108(resides )-108(in )]TJ +/TT1 1 Tf +10.257 0 Td +(src/test/java)Tj +/TT0 1 Tf +[( )-109(and )-108(w)18(as )-108(deplo)12(y)18(ed )-108(only )-108(into )-108(the )-108(test )-108(en)12(vironment, )-108(not )]TJ +-10.253 -1.44 Td +[(production. )-48(W)18(ith )-48(Arquillian, )-85(y)18(ou )-85(can )-85(selecti)18(v)12(ely )-85(deplo)12(y )-85(classes )-85(in )-85(the )-85(setup )-85(phase )-85(of )-85(a )-85(unit )-85(test, )]TJ +-0.001 -1.44 Td +[(w)18(hic)18(h )-83(makes )-83(the )-83(testing )-83(of )-83(ad)24(v)24(anced )-83(dependenc)24(y )-83(injection )-83(possible. )-9(T)45(he )-83(beha)30(vior )-83(of )]TJ +/C2_0 1 Tf +37.645 0 Td +<004D0046004B0039004C0041004B005D>Tj +/TT0 1 Tf +(ed )Tj +-37.642 -1.44 Td +[(or )-3(ambiguous )-3(dependencies )-3(is )-3(easily )-3(testable. )71(T)45(here )-3(is )-3(one )-3(ca)30(v)12(eat )-3(with )-3(this )-3(approac)18(h. )71(T)45(he )-3(creation )]TJ +0.006 -1.44 Td +[(of )-17(the )-17(ar)12(c)18(hi)18(v)12(e, )-17(as )-17(well )-17(as )-17(the )-17(deplo)12(yment)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-17(happens )-17(once )-17(for )-17(eac)18(h )-17(test )-17(class. )-17(F)45(or )-17(tests )-17(with )-17(different )]TJ +-0.001 -1.44 Td +[(setups )-193(\(suc)18(h )-193(as )-193(testing )-193(different )]TJ +/TT1 1 Tf +14.509 0 Td +(ConfigurationProviders)Tj +/TT0 1 Tf +(\))Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-195(y)18(ou )-193(ha)30(v)12(e )-193(to )-193(create )-193(a )-193(unit )-193(test )]TJ +-14.507 -1.44 Td +[(class for eac)18(h deplo)12(yment unit with a different set of classes.)]TJ +/TT3 1 Tf +12 0 0 12 57 166.0002 Tm +[(Accidental P)45(erformance Impro)12(v)12(ement of F)55(actor 250)]TJ +/TT0 1 Tf +10 0 0 10 75 143.6003 Tm +[(W)-252(a)-289(t)-289(c)-271(h)-289(i)-289(n)-289(g )-4641(t)-289(h)-289(e )-4641(m)-289(o)-289(n)-289(i)-289(t)-289(o)-289(r)-289(i)-289(n)-289(g )-4641(o)-289(u)-289(t)-289(p)-289(u)-289(t )-4641(o)-289(f )]TJ +/TT1 1 Tf +-1.803 -1.44 Td +[(c)-3(o)-3(m)-3(.)-3(a)-3(b)-3(i)-3(e)-3(n)-3(.)-3(x)-3(r)-3(a)-3(y)-3(.)-3(b)-3(u)-3(s)-3(i)-3(n)-3(e)-3(s)-3(s)-3(.)-3(m)-3(o)-3(n)-3(i)-3(t)-3(o)-3(r)-3(i)-3(n)-3(g)-3(.)-3(P)-3(e)-3(r)-3(f)-3(o)-3(r)-3(m)-3(a)-3(n)-3(c)-3(e)-3(A)-3(u)-3(d)-3(i)-3(t)-3(o)-3(r)]TJ +/TT0 1 Tf +31.959 0 Td +[(, )-501(I )-501(n)-3(o)-3(t)-3(i)-3(c)-3(e)-3(d )-501(t)-3(h)-3(e )-501(p)-3(o)-3(o)-3(r )]TJ +-31.936 -1.44 Td +[(p)-93(e)-93(r)-93(f)-93(o)-93(r)-93(m)-93(a)-93(n)-93(c)-93(e )-547(o)-93(f )-547(t)-93(h)-93(e )-547(f)-93(o)-75(l)-93(l)-93(o)-81(w)-93(i)-93(n)-93(g )-547(m)-93(e)-93(t)-93(h)-93(o)-93(d)-93(s)-93(: )]TJ +/TT1 1 Tf +22.316 -0 Td +[(H)-93(i)-93(t)-93(s)-93(.)-93(p)-93(e)-93(r)-93(s)-93(i)-93(s)-93(t)-93(R)-93(e)-93(f)-93(e)-93(r)-93(e)-93(r)-93(s)-93(C)-93(a)-93(c)-93(h)-93(e)]TJ +/TT0 1 Tf +10 0 0 10 180.1885 114.8002 Tm +27.249 0 Td +[( )-547(a)-93(n)-93(d )]TJ +/TT1 1 Tf +-39.577 -1.44 Td +(Hits.persistHitsCache)Tj +/TT0 1 Tf +[(. )-361(T)45(heir )-433(execution )-433(took )-433(around )-433(50 )-433(seconds )-433(in )-433(contr)12(ast )-433(to )-433(the )]TJ +0.003 -1.44 Td +[(remaining methods\222 performance, w)18(hic)18(h w)18(as belo)12(w 20 ms. )]TJ +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 484 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(109)Tj +/TT1 1 Tf +0 Tc 0 Tw -18.332 57.06 Td +(DevNullLogger)Tj +/TT0 1 Tf +[( )-75(is )-74(denoted )-74(with )-74(the )]TJ +/TT1 1 Tf +16.954 0 Td +(@Alternative)Tj +/TT0 1 Tf +[( )-75(annotation )-74(and )-74(so )-74(it )-74(is )-74(disabled. T)45(he )]TJ +/TT1 1 Tf +-18.757 -1.44 Td +(@Alternative)Tj +/TT0 1 Tf +[( )-237(annotation )-236(for)12(ces )-236(the )-236(container )-236(to )-236(use )-236(the )]TJ +/TT1 1 Tf +27.475 0 Td +(LoggerProducer)Tj +/TT0 1 Tf +[( )-238(to )-236(create )-236(the )]TJ +-27.477 -1.44 Td +[(instances, )-207(instead )-207(of )-207(using )-207(the )-207(default )-207(constructor )-207(directly)92(. )-170(A )-207(remo)12(v)24(al )-207(of )-207(the )]TJ +/TT1 1 Tf +35 0 Td +(@Alternative)Tj +/TT0 1 Tf +( )Tj +-34.999 -1.44 Td +[(annotation )-97(from )]TJ +/TT1 1 Tf +7.364 0 Td +(DevNullLogger)Tj +/TT0 1 Tf +[( )-99(w)12(ould )-97(introduce )-97(an )-97(ambiguity )-97(and )-97(w)12(ould )-97(cause )-97(deplo)12(yment )]TJ +-7.368 -1.44 Td +(errors)Tj +/TT2 1 Tf +(.)Tj +/TT0 1 Tf +1.8 -2.24 Td +[(A )-178(potential )-178(ad)24(v)24(antage )-178(of )-178(wr)12(apping )-178(the )]TJ +/TT1 1 Tf +17.738 0 Td +(java.util.Logger)Tj +/TT0 1 Tf +[( )-180(with )-178(a )-178(delegate )-178(is )-178(increased )]TJ +-19.537 -1.44 Td +[(encapsulation. )-218(X-r)12(a)30(y )-219(application )-218(code )-218(is )-218(no )-218(longer )-218(dependent )-218(on )]TJ +/TT1 1 Tf +30.101 0 Td +(java.util.Logger)Tj +/TT0 1 Tf +[(; )-220(it )-218(is )]TJ +-30.105 -1.44 Td +[(dependent )-151(only )-151(on )-151(the )]TJ +/TT1 1 Tf +10.61 0 Td +(XRayLogger)Tj +/TT0 1 Tf +[( )-152(interface. )-77(T)45(his )-151(positi)18(v)12(e )-151(side-effect )-151(w)18(as )-151(not )-151(the )-151(main )-151(goal )]TJ +-10.608 -1.44 Td +[(behind )-43(the )-43(introduction )-43(of )-43(the )-43(delegate; )-43(r)12(ather)74(, )-43(it )-43(w)18(as )-43(the )-43(consequence )-43(of )-43(centr)12(al )-43(and )-43(con)12(v)12(enient )]TJ +/C2_0 1 Tf +0.004 -1.44 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation. )-261(It )-261(is )-261(actually )-261(v)12(ery )-261(unlikely )-261(that )-261(the )]TJ +/TT1 1 Tf +23.129 0 Td +(java.util.Logging)Tj +/TT0 1 Tf +[( )-262(fr)12(amew)12(ork )-261(will )-261(be )]TJ +-23.127 -1.44 Td +[(replaced in the near future with an alternati)18(v)12(e.)]TJ +1.8 -2.24 Td +[(T)45(he )-129(c)18(hoice )-129(regarding )-129(the )-129(implementation )-129(is )-129(made )-129(in )-129(the )]TJ +/TT1 1 Tf +25.496 0 Td +(LoggerProducer)Tj +/TT0 1 Tf +[( )-131(class )-129(with )-129(the )]TJ +-27.297 -1.44 Td +(injected )Tj +/TT1 1 Tf +3.828 0 Td +(debug)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +3.383 0 Td +<005D>Tj +/TT0 1 Tf +[(eld )-104(\(see )-104(Listing )-104(57\). )-104(In )-104(the )-104(default )-104(case)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +/TT1 1 Tf +18.313 0 Td +(DevNullLogger)Tj +/TT0 1 Tf +[( )-106(gets )-104(instantiated. )-104(In )]TJ +-25.526 -1.44 Td +[(debug )-4(mode)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +/TT1 1 Tf +5.927 0 Td +(DelegatingLogger)Tj +/TT0 1 Tf +[( )-5(gets )-4(instantiated. )70(T)45(he )-4(v)24(alue )-4(of )-4(the )]TJ +/TT1 1 Tf +24.438 0 Td +(debug)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +3.282 0 Td +<005D>Tj +/TT0 1 Tf +[(eld )-4(is )-4(produced )-4(b)18(y )]TJ +-33.646 -1.44 Td +(the )Tj +/TT1 1 Tf +(Configuration )Tj +/TT0 1 Tf +(singleton session bean.)Tj +/TT3 1 Tf +12 0 0 12 57 375.6002 Tm +[(Unit )74(T)100(est Is Not Integr)12(ation )74(T)100(est)]TJ +/TT0 1 Tf +10 0 0 10 75 353.2002 Tm +[(It )-338(is )-338(a )-338(common )-338(misconception )-338(that )-338(a )-338(unit )-338(test )-338(should )-338(alw)18(a)30(ys )-338(run )-338(con)12(v)12(eniently )-338(in )-338(an )]TJ +-1.801 -1.44 Td +[(embedded )-60(container )-60(and )-60(beha)30(v)12(e )-60(like )-60(the )-60(production )-60(system. )-60(In )-60(fact)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-60(the )-60(opposite )-60(is )-60(true: )-23(A )-60(good )]TJ +0.001 -1.44 Td +[(unit )-467(test )-467(should )-467(v)24(alidate )-467(the )-467(functionality )-467(independently )-467(of )-467(its )-467(infr)12(astructure )-467(and )-467(be )-467(as )]TJ +-0.002 -1.44 Td +[(independent )-227(as )-227(possible )-227(from )-227(a )-227(container)74(. )-190(All )-227(dependencies )-227(should )-227(be )-227(moc)18(ked )-227(out)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-227(and )-227(the )]TJ +0.002 -1.44 Td +[(beha)30(vior )-44(of )-44(the )-44(class )-44(under )-44(test )-44(should )-44(be )-44(tested )-44(in )-44(isolation. )-44(Moc)18(king )-44(out )-44(external )-44(dependencies )]TJ +-0.001 -1.44 Td +[(with )-374(the )-374(right )-374(fr)12(amew)12(ork )-374(\(for )-374(example, )-374(b)18(y )-374(using )-374(Moc)18(kito )-374(\(http://moc)18(kito.org\) )-374(is )-374(easy )-374(and )]TJ +0.002 -1.44 Td +[(extremely )-10(producti)18(v)12(e. )64(T)45(he )-10(producti)18(vity )-10(gains )-10(of )-10(moc)18(king )-10(out )-10(the )-10(infr)12(astructure )-10(are )-10(noticeable )-10(ev)12(en )]TJ +0.004 -1.44 Td +[(in tri)18(vial cases and become ev)12(en more substantial for more complex business logic.)]TJ +1.8 -2.24 Td +[(T)45(he )-395(JUnit )-395(\(http://junit.org/\) )-395(test )-395(fr)12(amew)12(ork )-395(can )-395(be )-395(misused )-395(to )-395(intentionally )-395(implement )]TJ +-1.803 -1.44 Td +[(integr)12(ation )-295(tests. )-203(Y)129(ou )-295(can )-295(launc)18(h )-295(the )-295(JP)55(A )-295(en)12(vironment )-295(outside )-295(the )-295(container )-295(and )-295(inject )-295(the )]TJ +/TT1 1 Tf +0.002 -1.44 Td +(EntityManager)Tj +/TT0 1 Tf +[( to the class under test \(CUT\) b)17(y y)18(ourself \(see Listing 61\).)]TJ +/TT1 1 Tf +0 -1.79 TD +(public class UserAgentStatisticsIT {)Tj +T* +( private EntityManager em;)Tj +T* +( private EntityTransaction tx;)Tj +T* +( UserAgentStatistics cut;)Tj +0 -3.58 TD +( @Before)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 57 75.9002 Tm +( public void initializeCUT\(\){)Tj +ET +Q +BT +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 485 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 258.3228 59 Tm +(100)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1002 Tm +( @Timeout)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2002 Tm +( public void initiateFlush\(\) {)Tj +0 -1.79 TD +( this.hits.persistHitsCache\(\);)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 51: Progr)Tj +/C2_0 1 Tf +6.991 0 Td +<0039004500450039004C0041003B000100390046003C0001001F00470046005D>Tj +/TT0 1 Tf +[(gur)12(able )74(T)]TJ +/C2_0 1 Tf +12.122 0 Td +<00410045003D004A0001001F00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation)]TJ +/TT1 1 Tf +-17.313 -2.24 Td +(HitsFlushTimer)Tj +/TT0 1 Tf +[( )-89(in )-88(Listing )-88(51 )-88(performs )-88(the )-88(timer )]TJ +/C2_0 1 Tf +23.022 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation )-88(in )-88(the )]TJ +/TT1 1 Tf +8.979 0 Td +(@PostConstruct)Tj +/TT0 1 Tf +( )Tj +-33.799 -1.44 Td +[(hook. )18(All )-19(par)12(ameters )-19(required )-19(for )-19(the )-19(initialization )-19(of )-19(a )-19(progr)12(ammatically )-19(created )-19(timer )-19(are )-19(passed )]TJ +-0.002 -1.44 Td +(as )Tj +/TT1 1 Tf +1.29 0 Td +(ScheduleExpression)Tj +/TT0 1 Tf +[( )-125(instances )-123(to )-123(the )-123(injected )]TJ +/TT1 1 Tf +22.367 0 Td +(TimerService)Tj +/TT0 1 Tf +[(. )-124(In )-123(contr)12(ast )-123(to )-123(the )-123(use )-123(of )]TJ +/TT1 1 Tf +-23.656 -1.44 Td +(@Schedule)Tj +/TT0 1 Tf +[( )-283(annotation, )-282(a )-282(progr)12(ammatically )-282(created )-282(timer )-282(can )-282(be )]TJ +/C2_0 1 Tf +30.818 0 Td +<004A003D003B00470046005D>Tj +/TT0 1 Tf +[(gured )-282(without )-282(an)18(y )]TJ +-30.816 -1.44 Td +[(recompilation. )-257(W)18(ith )-294(the )-294(injected )]TJ +/C2_0 1 Tf +15.405 0 Td +<005D>Tj +/TT0 1 Tf +(eld )Tj +/TT1 1 Tf +2.462 0 Td +(hitsFlushRate)Tj +/TT0 1 Tf +[(, )-295(the )-294(timer )-294(can )-294(ev)12(en )-294(be )]TJ +/C2_0 1 Tf +19.723 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +-37.587 -1.44 Td +[(externally)92(. )-67(Dependenc)24(y )-67(Injection )-67(of )-67(primiti)18(v)12(e )-67(types )-67(w)12(orks )-67(without )-67(an)18(y )-67(XML )-67(or )-67(further )-67(ceremon)18(y)92(. )]TJ +-0.001 -1.44 Td +[(Only )-32(a )-32(producer )-32(method, )-32(or )-32(ev)12(en )-32(just )-32(a )-32(plain )]TJ +/C2_0 1 Tf +20.006 0 Td +<005D>Tj +/TT0 1 Tf +[(eld )-32(with )-32(matc)18(hing )-32(type, )-32(is )-32(required )-32(to )-32(perform )-32(the )]TJ +-20.009 -1.44 Td +[(injection. )37(A nai)18(v)12(e producer implementation could be like this:)]TJ +/TT2 1 Tf +0 -1.79 TD +(@javax.enterprise.inject.Produces)Tj +/TT1 1 Tf +T* +[(public int getHitsFlushIntervallInMinutes\(\) {)-1800( return 1;)]TJ +T* +(})Tj +/TT0 1 Tf +1.8 -2.24 Td +[(T)45(hankfully)92(, CDI introduces additional meta-information \()]TJ +/TT1 1 Tf +(InjectionPoint)Tj +/TT0 1 Tf +( in Listing 52\) )Tj +-1.8 -1.44 Td +(that can be passed to a producer method on demand.)Tj +/TT1 1 Tf +T* +(@Startup)Tj +T* +(@Singleton)Tj +T* +(public class Configuration {)Tj +T* +( private Map configuration;)Tj +T* +( @PostConstruct)Tj +T* +( public void fetchConfiguration\(\) {)Tj +T* +( this.configuration = new HashMap\(\) {{)Tj +T* +( put\("version", "0.5"\);)Tj +T* +( put\("hitsFlushRate", "1"\);)Tj +T* +( put\("referersFlushRate", "1"\);)Tj +T* +( }};)Tj +T* +( })Tj +0 -3.58 TD +( @javax.enterprise.inject.Produces)Tj +0 g +/GS1 gs +/TT3 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT4 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT3 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 486 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(94)Tj +ET +q +52 72 432 569 re +W n +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 57 633.2001 Tm +(Listing 47: HitsP)Tj +/C2_0 1 Tf +6.959 0 Td +<003D004A0001001F004D004B004C004700450001002D004D003900440041005D>Tj +/TT0 1 Tf +(er)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 610.8002 Tm +(HitsPer)Tj +/TT0 1 Tf +[( )-87(is )-86(not )-86(just )-86(a )-86(marker )-86(annotation. )-86(It )-86(contains )-86(an )-86(embedded )-86(enum )]TJ +/TT1 1 Tf +32.745 0 Td +(Frequency)Tj +/TT0 1 Tf +[( )-87(with )]TJ +-34.545 -1.44 Td +[(the )-101(v)24(alues )]TJ +/TT1 1 Tf +4.791 0 Td +(MINUTE)Tj +/TT0 1 Tf +[( )-102(and )]TJ +/TT1 1 Tf +5.971 0 Td +(HOUR)Tj +/TT0 1 Tf +[(. )-27(T)45(he )-101(only )-101(element )-101(of )-101(the )]TJ +/TT1 1 Tf +13.948 0 Td +(HitsPer)Tj +/TT0 1 Tf +[( )-102(annotation )-101(that )-101(has )-101(the )-101(name )]TJ +/TT1 1 Tf +-24.71 -1.44 Td +(value)Tj +/TT0 1 Tf +[( )-180(is )]TJ +/TT1 1 Tf +4.583 0 Td +(Frequency)Tj +/TT0 1 Tf +[(. )-181(No )-180(default )-180(v)24(alue )-180(is )-180(declared, )-180(so )-180(a )-180(v)24(alue )-180(has )-180(to )-180(be )-180(pro)12(vided )-180(b)18(y )-180(ev)12(ery )]TJ +-4.579 -1.44 Td +[(declar)12(ation. )-40(T)100(ogether )-114(with )-114(the )-114(pro)12(vided )-114(v)24(alue, )-114(the )-114(annotation )]TJ +/TT1 1 Tf +27.425 0 Td +(HitsPer)Tj +/TT0 1 Tf +[( )-115(is )-114(far )-114(more )-114(readable )-114(as )]TJ +/TT1 1 Tf +-27.427 -1.44 Td +(@HitsPer\(MINUTE\))Tj +/TT0 1 Tf +[(, as sho)10(wn in Listing 48:)]TJ +/TT1 1 Tf +0 -1.79 TD +(@Singleton)Tj +T* +(public class HourlyStatisticsCalculator {)Tj +0 -3.58 TD +( @Inject)Tj +0 -1.79 TD +( @HitsPer\(HOUR\))Tj +T* +( Event hourlyEvent;)Tj +0 -3.58 TD +( @Schedule\(hour = "*/1", persistent = false\))Tj +0 -1.79 TD +( public void computeStatistics\(\) {)Tj +3.6 -1.79 Td +(//\205)Tj +-3.6 -1.79 Td +(hourlyEvent.fire\(currentRate\);)Tj +T* +( })Tj +0 -3.58 TD +(})Tj +T* +(@Singleton)Tj +0 -1.79 TD +(public class MinutelyStatisticsCalculator {)Tj +0 -3.58 TD +( @Inject)Tj +0 -1.79 TD +( @HitsPer\(MINUTE\))Tj +T* +( Event minutelyEvent;)Tj +0 -3.58 TD +( @Schedule\(minute = "*/1", hour = "*", persistent = false\))Tj +0 -1.79 TD +( public void computeStatistics\(\) {)Tj +7.2 -1.79 Td +(//...)Tj +T* +(minutelyEvent.fire\(currentRate\);)Tj +0 g +/GS1 gs +/TT2 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT3 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT2 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 487 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(88)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( methods.clear\(\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( exceptionCount.set\(0\);)Tj +0 -1.79 TD +( diagnostics.clear\(\);)Tj +T* +( })Tj +3.6 -1.79 Td +(//REST irrelevant methods omitted)Tj +-3.6 -1.79 Td +(})Tj +/TT0 1 Tf +0 -1.88 TD +(Listing 44: Exposing Management Data via REST)Tj +1.8 -2.24 Td +[(It )-27(is )-27(a )-27(lot )-27(easier )-27(for )-27(the )-27(administr)12(ators )-27(and )-27(oper)12(ators )-27(to )-27(access )-27(monitoring )-27(data )-27(via )-27(HTTP/REST )]TJ +-1.804 -1.44 Td +[(than )-166(via )-166(JMX. )-92(T)45(he )]TJ +/TT1 1 Tf +8.493 0 Td +(getSlowestMethods)Tj +/TT0 1 Tf +[( )-168(method )-166(in )-166(Listing )-166(44 )-166(returns )-166(a )-166(list )-166(of )]TJ +/TT1 1 Tf +27.704 0 Td +(Invocation)Tj +/TT0 1 Tf +( )Tj +-36.199 -1.44 Td +(instances \(see Listing 45\). )Tj +/TT1 1 Tf +0 -1.79 TD +(@XmlRootElement)Tj +T* +(@XmlAccessorType\(XmlAccessType.FIELD\))Tj +T* +(public class Invocation implements Comparable{)Tj +T* +( @XmlAttribute)Tj +T* +( private String methodName;)Tj +T* +( @XmlAttribute)Tj +T* +( private Long invocationPerformance;)Tj +0 -3.58 TD +( public Invocation\(String methodName, long invocationPerformance\) {\ )Tj +0 -1.79 TD +( this.methodName = methodName;)Tj +T* +( this.invocationPerformance = invocationPerformance;)Tj +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +[(Listing 45: Using J)18(AXB )37(Annotations for XML and JSON Serialization)]TJ +1.8 -2.24 Td +(Class )Tj +/TT1 1 Tf +2.566 0 Td +(Invocation)Tj +/TT0 1 Tf +[( )-66(together )-65(with )-65(J)18(AXB )-65(annotations )-65(pro)12(vides )]TJ +/C2_0 1 Tf +24.258 0 Td +<004B004D003E005D>Tj +/TT0 1 Tf +[(cient )-65(metadata )-65(for )-65(the )-65(J)18(AX-)]TJ +-28.62 -1.44 Td +[(RS )-211(implementation )-211(J)12(ersey )-211(to )-211(gener)12(ate )-211(either )-211(JSON )-211(or )-211(XML )-211(from )-211(the )-211(class )-211(structure. )-211(Ev)12(en )-211(the )]TJ +0.006 -1.44 Td +[(serialization )-222(w)12(orks )-222(with )-222(respect )-222(to )-222(the )-222(Con)12(v)12(ention )-222(o)12(v)12(er )]TJ +/C2_0 1 Tf +25.726 0 Td +<001F00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation )-222(principle. )-185(W)18(ithout )-222(an)18(y )]TJ +/C2_0 1 Tf +-25.722 -1.44 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation, )-63(the )-63(names )-63(of )-63(the )-63(XML )-63(and )-63(JSON )-63(tags )-63(are )-63(directly )-63(deri)18(v)12(ed )-63(from )-63(the )-63(class )-63(structure. )]TJ +-0.006 -1.44 Td +[(T)45(he )-168(default )-168(v)24(alues )-168(can )-168(be )-168(o)12(v)12(erridden )-168(at )-168(an)18(y )-168(time )-168(with )-168(annotations. )-94(T)45(he )-168(output )-168(format )-168(can )-168(be )]TJ +/C2_0 1 Tf +-0.003 -1.44 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +(ed with the )Tj +/TT1 1 Tf +(Accept)Tj +/TT0 1 Tf +[( HTTP header)73(. )]TJ +1.8 -2.24 Td +(Here is a )Tj +/TT1 1 Tf +(curl)Tj +/TT0 1 Tf +( command:)Tj +/TT1 1 Tf +-1.8 -1.79 Td +(curl -H "Accept: application/json\224 http://localhost:8080/x-ray/)Tj +0 -0.99 TD +(resources/monitoring)Tj +0 g +/GS1 gs +/TT2 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT3 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT2 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 488 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(81)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.0999 Tm +( private ObjectName objectName = null;)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( private ConcurrentHashMap methods = new )Tj +0 -0.99 TD +(ConcurrentHashMap\(\);)Tj +0 -1.79 TD +( private ConcurrentHashMap diagnostics = new )Tj +0 -0.99 TD +(ConcurrentHashMap\(\);)Tj +0 -1.79 TD +( private AtomicLong exceptionCount;)Tj +0 -3.58 TD +( @PostConstruct)Tj +0 -1.79 TD +( public void registerInJMX\(\) {)Tj +T* +( this.exceptionCount = new AtomicLong\(\);)Tj +T* +( try{)Tj +T* +( objectName = new ObjectName)Tj +0 -0.99 TD +(\("XRayMonitoring:type="+this.getClass\(\).getName\(\)\);)Tj +0 -1.79 TD +( platformMBeanServer = )Tj +0 -0.99 TD +(ManagementFactory.getPlatformMBeanServer\(\);)Tj +0 -1.79 TD +( platformMBeanServer.registerMBean\(this,objectName\);)Tj +T* +( }catch\(Exception e\){)Tj +T* +( throw new IllegalStateException\("Problem during )Tj +0 -0.99 TD +(registration of Monitoring into JMX:" +e\);)Tj +0 -1.79 TD +( })Tj +T* +( })Tj +T* +( @GET)Tj +T* +( @Path\("exceptionCount"\))Tj +T* +( @Produces\(MediaType.TEXT_PLAIN\))Tj +T* +( @Override)Tj +T* +( public String getNumberOfExceptions\(\){)Tj +T* +( return String.valueOf\(exceptionCount.get\(\)\);)Tj +T* +( })Tj +0 -5.37 TD +( @Override)Tj +0 -1.79 TD +( public Map getDiagnostics\(\) {)Tj +T* +( return diagnostics;)Tj +T* +( })Tj +0 g +/GS1 gs +/TT2 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT3 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT2 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 489 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(72)Tj +/TT1 1 Tf +0 Tc 0 Tw 12 0 0 12 57 593.2 Tm +[(P)45(ersistence for )37(A)55(v)24(ailability)]TJ +/TT0 1 Tf +10 0 0 10 75 570.7999 Tm +[(T)45(he )-251(x-r)12(a)30(y )-251(bac)18(kend )-251(stores )-251(its )-251(state )-251(in )-251(key-v)24(alue )-251(pairs. )-214(Also, )-251(simple )-251(statistics, )-251(suc)18(h )-251(as )-251(the )]TJ +-1.801 -1.44 Td +[(computation )-40(of )-40(total )-40(hits, )-40(are )-40(performed )-40(on )-40(the )-40(key-v)24(alue )-40(store. )34(T)45(he )-40(state )-40(of )-40(the )-40(tr)12(ansient )-40(cac)18(he )-40(is )]TJ +/C2_0 1 Tf +0.006 -1.44 Td +<005E>Tj +/TT0 1 Tf +[(ushed )-59(into )-59(a )-59(persistent )-59(store )-59(in )-59(a )]TJ +/C2_0 1 Tf +15.087 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(able )-59(period )-59(repeatedly)92(. )-22(A )-59(cr)12(ash )-59(or )-59(reboot )-59(between )-59(the )]TJ +-15.093 -1.44 Td +[(sync)18(hronization )-99(points )-99(w)12(ould )-99(lead )-99(to )-99(data )-99(loss. )-25(T)45(he )-99(shorter )-99(the )-99(period )-99(between )]TJ +/C2_0 1 Tf +35.334 0 Td +<005E>Tj +/TT0 1 Tf +[(ushes, )-99(the )-99(less )]TJ +-35.332 -1.44 Td +(data gets lost.)Tj +1.8 -2.24 Td +[(I )-107(implemented )-107(the )-107(periodic )-107(sync)18(hronization )-107(with )-107(the )]TJ +/TT2 1 Tf +23.63 0 Td +(@Singleton)Tj +/TT0 1 Tf +( )Tj +/TT2 1 Tf +6.386 0 Td +(Hits)Tj +/TT0 1 Tf +[( )-107(EJB )-107(bean )-107(and )-107(the )]TJ +/TT2 1 Tf +-31.813 -1.44 Td +(@Schedule)Tj +/TT0 1 Tf +( annotation \(see Listing 34\). )Tj +/TT2 1 Tf +0 -1.79 TD +(@Startup)Tj +T* +(@Singleton)Tj +T* +(@ConcurrencyManagement\(ConcurrencyManagementType.BEAN\))Tj +T* +(@Interceptors\(PerformanceAuditor.class\))Tj +T* +(public class Hits {)Tj +T* +( )Tj +T* +( @EJB)Tj +T* +( PersistentHitStore hitStore;)Tj +T* +( @EJB)Tj +T* +( PersistentRefererStore refererStore;)Tj +3.6 -1.79 Td +( )Tj +-3.6 -1.79 Td +( //\205)Tj +T* +( private ConcurrentHashMap hitStatistics = )Tj +0 -0.99 TD +(null;)Tj +0 -1.79 TD +( private ConcurrentHashMap trending = null;)Tj +T* +( private ConcurrentHashMap refererStatistics = )Tj +0 -0.99 TD +(null;)Tj +0 -3.58 TD +( @PostConstruct)Tj +0 -1.79 TD +( public void preloadCache\(\) {)Tj +T* +( Map hits = hitStore.getHits\(\);)Tj +T* +( Map referers = refererStore.getReferers\(\);\ )Tj +T* +( hitStatistics = new ConcurrentHashMap)Tj +0 g +/GS1 gs +/TT3 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT4 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT3 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 490 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(66)Tj +0 Tc 0 Tw -20.432 57.06 Td +[(complex )-85(classes )-85(are )-85(di)18(vided )-85(into )-85(cohesi)18(v)12(e )-85(and )-85(easier)55(-to-understand )-85(pieces )-85(after )-85(a )-85(few )-85(iter)12(ations. )]TJ +-0.003 -1.44 Td +[(No )-119(upfront )-119(design )-119(is )-119(needed, )-119(because )-119(no )-119(upfront )-119(o)12(v)12(erhead )-119(exists)]TJ +/TT1 1 Tf +(.)Tj +/TT0 1 Tf +[( )-119(F)37(rom )-119(the )-119(design )-119(perspecti)18(v)12(e)]TJ +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +-0.005 -1.44 Td +(there is absolutely no difference between POJOs, EJB beans, managed bean\ s)Tj +/TT1 1 Tf +(,)Tj +/TT0 1 Tf +[( or JP)55(A entities.)]TJ +1.8 -2.24 Td +[(T)45(he )]TJ +/TT2 1 Tf +2.038 0 Td +(URLPathExtractor)Tj +/TT0 1 Tf +[( )-194(is )-193(injected )-193(with )]TJ +/TT2 1 Tf +17.488 0 Td +(@Inject)Tj +/TT0 1 Tf +[(, )-193(and )-193(the )]TJ +/TT2 1 Tf +8.837 0 Td +(Hits)Tj +/TT0 1 Tf +[( )-193(boundary )-193(is )-193(injected )]TJ +-30.161 -1.44 Td +[(with )-237(the )]TJ +/TT2 1 Tf +4.254 0 Td +(@EJB)Tj +/TT0 1 Tf +[( )-238(annotation. )-163(T)45(his )-237(distinction )-237(is )-237(not )-237(necessary)92(. )-145(Y)129(ou )-237(could )-237(also )-237(inject )-237(both )-237(with )]TJ +/TT2 1 Tf +-4.257 -1.44 Td +(@Inject)Tj +/TT0 1 Tf +[(. )-45(If )-45(y)18(ou )-45(do )-45(so, )-45(y)18(ou )-45(ha)30(v)12(e )-45(to )-45(keep )-45(in )-45(mind )-45(that )]TJ +/TT2 1 Tf +24.006 0 Td +(@Inject)Tj +/TT0 1 Tf +[( )-45(injection )-45(is )-45(more )-45(po)12(werful )-45(than )]TJ +-24.003 -1.44 Td +[(EJB )-32(beans. )42(T)45(he )-32(support )-32(for )-32(inheritance )-32(is )-32(v)12(ery )-32(poor )-32(in )-32(EJB)24(, )-32(but )-32(it )-32(is )-32(v)12(ery )-32(po)12(werful )-32(in )-32(CDI )-32(managed )]TJ +-0.008 -1.44 Td +[(beans. )-222(T)74(rying )-296(to )-296(inject )-296(polymorphic )-296(EJB )-296(beans )-296(with )]TJ +/TT2 1 Tf +24.452 0 Td +(@Inject)Tj +/TT0 1 Tf +[( )-297(could )-296(lead )-296(to )-296(nasty )-296(runtime )]TJ +-24.458 -1.44 Td +(problems.)Tj +/TT3 1 Tf +12 0 0 12 57 469.9999 Tm +[(Ev)12(entual Consistenc)24(y with Singletons)]TJ +/TT0 1 Tf +10 0 0 10 75 447.5999 Tm +[(Ev)12(ery )-313(clic)18(k )-313(is )-313(forw)18(arded )-313(to )-313(the )-313(bac)18(kend )-313(b)18(y )-313(an )-313(HTTP )]TJ +/C2_0 1 Tf +25.666 0 Td +<005D>Tj +/TT0 1 Tf +[(lter )-313(and )-313(forw)18(arded )-313(to )]TJ +/TT2 1 Tf +11.127 0 Td +(x-ray-)Tj +-38.599 -1.44 Td +(services)Tj +/TT0 1 Tf +[( )-34(via )-33(HTTP )-33(PUT)111(. )-33(But )-33(ho)12(w )-33(do )-33(we )-33(persist )-33(and )-33(compute )-33(the )-33(statistics? )4(W)37(e )-33(are )-33(actually )-33(not )]TJ +0.004 -1.44 Td +[(interested )-55(in )-55(tr)12(ac)18(king )-55(user )-55(beha)30(vior; )-55(r)12(ather )-55(we )-55(are )-55(interested )-55(in )-55(the )-55(popularity )-55(of )-55(posts. )-18(W)37(e )-55(could )]TJ +-0.005 -1.44 Td +[(insert )-130(new )-130(URIs )-130(into )-130(the )-130(database )-130(and )-130(update )-130(the )-130(statistics )-130(for )-130(alread)24(y )-130(existing )-130(URIs. )-130(On )-130(ev)12(ery )]TJ +0.007 -1.44 Td +[(clic)18(k, )-131(y)18(ou )-131(w)12(ould )-131(ha)30(v)12(e )-131(to )-131(perform )-131(an )-131(insert )-131(or )-131(database )-131(update. )-57(T)45(he )-131(database )-131(w)12(ould )-131(become )-131(a )]TJ +0.005 -1.44 Td +[(potential )-152(bottlenec)18(k, )-152(and )-152(we )-152(w)12(ould )-152(ha)30(v)12(e )-152(to )-152(deal )-152(with )-152(it )-152(from )-152(the )-152(v)12(ery )]TJ +/C2_0 1 Tf +32.017 0 Td +<005D>Tj +/TT0 1 Tf +[(rst )-152(increment. )-152(On )-152(the )]TJ +-32.019 -1.44 Td +[(other )-29(hand, )-29(a )-29(centr)12(al )-28(database )-28(as )-28(centr)12(al )-28(data )-29(store )-28(is )-29(the )-29(most )-28(consistent )-28(approac)18(h. )46(T)45(he )-28(system )-29(is )]TJ +-0.001 -1.44 Td +[(alw)18(a)30(ys )-8(in )-8(a )-8(consistent )-8(state )-8(at )-8(ev)12(ery )-8(point )-8(in )-8(time. )-8(So, )-8(ho)12(w )-8(do )-8(we )-8(decide )-8(w)18(hat )-8(consistenc)24(y )-8(lev)12(el )-8(is )]TJ +0.003 -1.44 Td +[(actually needed? )74(T)45(he ans)12(wer is easy)92(. )37(A dev)12(eloper cannot just decide that; it is a business decision.)]TJ +1.8 -2.24 Td +[(In )-6(the )-6(role )-6(of )-6(domain )-6(expert, )-6(I\222m )-6(really )-6(interested )-6(in )-6(the )-6(popularity )-6(of )-6(eac)18(h )-6(post. )31(At )-6(the )-6(time )-6(of )]TJ +-1.796 -1.44 Td +[(this )-140(writing, )-140(there )-140(are )-140(about )-140(one )-140(thousand )-140(posts. )-140(It )-140(w)12(ould )-140(be )-140(interesting )-140(to )-140(kno)12(w )-140(ho)12(w )-140(popular )]TJ +-0.004 -1.44 Td +[(eac)18(h )-164(one )-164(is. )-164(Suc)18(h )-164(statistics )-164(don\222)37(t )-164(ha)30(v)12(e )-164(to )-164(be )-164(consistent )-164(in )-164(real )-164(time. )-127(A )-164(daily )-164(update )-164(w)12(ould )-164(be )]TJ +/C2_0 1 Tf +-0.005 -1.44 Td +<004B004D003E005D>Tj +/TT0 1 Tf +[(cient. )-108(Before )-108(x-r)12(a)30(y)92(, )-108(I )-108(used )-108(weekly )-71(W)37(ebalizer )-108(\()]TJ +10 0 0 10 57 266.8 Tm +21.943 0 Td +[(http://www)74(.mrunix.net/webalizer/\) )-108(runs )-108(for )-108(the )]TJ +-21.942 -1.44 Td +[(computation )-264(and )-264(published )-264(the )-264(statistics )-264(monthly)92(. )-227(A )-264(daily )-264(statistic )-264(update )-264(w)12(ould )-264(be )-264(a )-264(huge )]TJ +0 -1.44 TD +[(impro)12(v)12(ement compared to the previous situation.)]TJ +1.8 -2.24 Td +[(T)45(he )-71(next )-72(interesting )-71(statistic )-72(is )-71(currently )-72(trending )-72(topics. )-71(It )-71(is )-71(interesting )-71(to )-71(see )-71(w)18(hat )-71(happens )]TJ +-1.803 -1.44 Td +[(in )-146(real )-146(time, )-146(but )-146(these )-146(results )-146(don\222)37(t )-146(ha)30(v)12(e )-146(to )-146(be )-146(stored )-146(persistently)92(. )-72(T)45(hey )-146(could )-146(get )-146(lost )-146(at )-146(ev)12(ery )]TJ +-0.003 -1.44 Td +[(serv)12(er )-281(restart )-281(or )-281(cr)12(ash. )-281(P)45(ersisting )-281(the )-281(current )-281(trend )-281(w)12(ould )-281(be )-281(a )-281(nice, )-281(but )-281(not )-281(an )-281(absolutely )]TJ +0.004 -1.44 Td +[(necessary)92(, )-284(feature. )-284(Furthermore, )-284(it )-284(turns )-284(out )-284(that )-284(so )-284(far)74(, )-284(the )-284(Linux, )-284(JDK )-284(1.6, )-284(GlassF)18(ish, )-284(and )]TJ +-0.004 -1.44 Td +[(Hypersonic )-183(database )-183(\(HSQLDB\) )-183(\(http://hsqldb.org\) )-183(combination )-183(is )-183(extremely )-183(stable. )-109(T)45(he )-183(serv)12(er )]TJ +-0.003 -1.44 Td +[(has )-171(nev)12(er )-171(cr)12(ashed )-171(thus )-171(far)74(. )-171(It )-171(r)12(an )-171(for )-171(months, )-171(ev)12(en )-171(y)18(ears. )-171(I )-171(restarted )-171(it )-171(only )-171(for )-171(updates. )-171(Suc)18(h )]TJ +0.008 -1.44 Td +[(c)-1(o)-1(n)-1(s)-1(i)-1(d)-1(e)-1(r)11(a)-1(t)-1(i)-1(o)-1(n)-1(s )-500(a)-1(r)-1(e )-500(a)-1(l)-1(s)-1(o )-500(v)23(a)-1(l)-1(u)-1(a)-1(b)-1(l)-1(e )-500(i)-1(n )-500(c)-1(o)-1(m)-1(m)-1(e)-1(r)11(c)-1(i)-1(a)-1(l )-500(p)-1(r)-1(o)-1(j)-1(e)-1(c)-1(t)-1(s)-1(. )-500(H)-1(i)-1(g)-1(h )-500(a)29(v)23(a)-1(i)-1(l)-1(a)-1(b)-1(i)-1(l)-1(i)-1(t)-1(y )-500(a)-1(n)-1(d )-500(e)-1(x)-1(t)-1(r)-1(e)-1(m)-1(e )]TJ +-0.003 -1.44 Td +[(consistenc)24(y )-225(are )-225(o)12(v)12(err)12(ated )-225(in )-225(the )-225(real )-225(w)12(orld. )-225(Clients )-225(prescribe )-225(24/7 )-225(a)30(v)24(ailability )-225(for )-225(noncritical )]TJ +T* +[(softw)18(are without ev)12(en thinking about the consequences. )]TJ +1.8 -2.24 Td +[(It )-102(w)12(ould )-102(also )-102(be )-102(nice )-102(to )-102(ha)30(v)12(e )-102(the )-102(total )-102(number )-102(of )-102(daily )-102(hits )-102(and )-102(hits )-102(from )-102(the )-102(previous )-102(da)30(y)92(. )]TJ +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 491 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(58)Tj +0 g +/GS1 gs +/TT1 1 Tf +-0.103 Tc 0 Tw 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT2 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT1 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 492 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(50)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +(public static final String )Tj +/TT2 1 Tf +(HEADER_NAME_PREFIX)Tj +/TT1 1 Tf +( = "xray_";)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +(public void put\(String content, Map headers\) {)Tj +0 -1.79 TD +( try {)Tj +T* +( Socket socket = new Socket\(inetAddress, port\);)Tj +T* +( socket.setSoTimeout\(TIMEOUT\);)Tj +T* +( BufferedWriter wr = new BufferedWriter\(new )Tj +0 -0.99 TD +(OutputStreamWriter\(socket.getOutputStream\(\), "UTF8"\)\);)Tj +0 -1.79 TD +( wr.write\(\223PUT " + path + " HTTP/1.0\\r\\n"\);)Tj +T* +( wr.write\(getFormattedHeader\("Content-Length","" + )Tj +0 -0.99 TD +(content.length\(\)\)\);)Tj +0 -1.79 TD +( wr.write\(getFormattedHeader\("Content-Type", "text/)Tj +0 -0.99 TD +(plain"\)\);)Tj +/TT2 1 Tf +0 -1.79 TD +( for \(Map.Entry header : headers.entrySet)Tj +0 -0.99 TD +(\(\)\) {)Tj +0 -1.79 TD +( wr.write\(getFormattedHeader\(HEADER_NAME_PREFIX + )Tj +0 -0.99 TD +(header.getKey\(\),header.getValue\(\)\)\);)Tj +0 -1.79 TD +( })Tj +/TT1 1 Tf +T* +( //bookkeeping skipped)Tj +T* +( })Tj +T* +( String getFormattedHeader\(String key,String value\){)Tj +T* +( return key + ": " + value + "\\r\\n";)Tj +T* +( })Tj +/TT0 1 Tf +0 -1.88 TD +[(Listing 24: P)92(assing )37(Additional K)24(ey )92(V)55(alues in a Header)]TJ +1.8 -2.24 Td +[(W)18(ith )-106(the )-106(a)30(v)24(ailability )-106(of )-106(key-v)24(alue )-106(pairs, )-106(metadata )-106(processing )-106(and )-106(tr)12(ansport )-106(become )-106(generic. )]TJ +-1.796 -1.44 Td +[(T)45(he HTTP headers are con)12(v)12(erted into a)]TJ +/TT1 1 Tf +( Map)Tj +/TT0 1 Tf +( \(see Listing 25\):)Tj +/TT1 1 Tf +0 -1.79 TD +( Map extractHeaders\(HttpServletRequest )Tj +0 -0.99 TD +(httpServletRequest\){)Tj +0 -1.79 TD +( Map headers = new HashMap\(\);)Tj +T* +( Enumeration headerNames = )Tj +0 -0.99 TD +(httpServletRequest.getHeaderNames\(\);)Tj +0 -1.79 TD +( if\(headerNames == null\){)Tj +T* +( return headers;)Tj +T* +( })Tj +T* +( while \(headerNames.hasMoreElements\(\)\){)Tj +T* +( String name = headerNames.nextElement\(\);)Tj +0 g +/GS1 gs +/TT3 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT4 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT3 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 493 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(41)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 634.1 Tm +( this\("localhost", 8080, PATH\);)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 75 616.2 Tm +( })Tj +/TT2 1 Tf +-1.8 -3.58 Td +( public String put\(String content\) {)Tj +0 -1.79 TD +( try {)Tj +T* +( Socket socket = new Socket\(inetAddress, port\);)Tj +T* +( BufferedWriter wr = new BufferedWriter\(new OutputStreamWriter)Tj +0 -0.99 TD +(\(socket.getOutputStream\(\), "UTF8"\)\);)Tj +0 -1.79 TD +( InputStreamReader is = new InputStreamReader)Tj +0 -0.99 TD +(\(socket.getInputStream\(\)\);)Tj +0 -1.79 TD +( wr.write\(\223PUT " + path + " HTTP/1.0\\r\\n"\);)Tj +T* +( wr.write\("Content-Length: " + content.length\(\) + "\\r\\n"\);)Tj +T* +( wr.write\("Content-Type: text/plain\\r\\n"\);)Tj +T* +( wr.write\("\\r\\n"\);)Tj +T* +( wr.write\(content\);)Tj +3.6 -1.79 Td +( )Tj +/TT1 1 Tf +(//\205 exception handling / InputStream -> String conversion)Tj +/TT2 1 Tf +-3.6 -1.79 Td +(})Tj +/TT1 1 Tf +1.8 -3.58 Td +( public InetAddress getInetAddress\(\) {)Tj +T* +( return inetAddress;)Tj +T* +( })Tj +0 -3.58 TD +( public String getPath\(\) {)Tj +0 -1.79 TD +( return path;)Tj +T* +( })Tj +0 -3.58 TD +( public int getPort\(\) {)Tj +0 -1.79 TD +( return port;)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -2.24 TD +[(Listing 21: )37(An HTTP POST Implementation in RESTClient)]TJ +T* +[(T)45(he )-353(key )-353(functionality )-353(is )-353(implemented )-353(in )-353(the )-353(method )]TJ +/TT1 1 Tf +25.289 0 Td +[(public )-354(String )]TJ +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 418.9902 86.2 Tm +(put\(String )Tj +ET +Q +BT +0 g +/GS1 gs +/TT3 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT4 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT3 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 494 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(34)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( )Tj +/TT2 1 Tf +(String createName\(\){)Tj +ET +Q +BT +/TT2 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( return namePrefix +"-"+threadNumber.incrementAndGet\(\);)Tj +0 -1.79 TD +( })Tj +/TT1 1 Tf +T* +( public int getNumberOfCreatedThreads\(\){)Tj +T* +( return threadNumber.get\(\);)Tj +T* +( })Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +[(Listing 16: )37(A Monitor)12(able )74(T)45(hreadF)55(actory)]TJ +1.8 -2.24 Td +[(T)45(he )-126(only )-126(responsibility )-126(of )-126(the )]TJ +/TT1 1 Tf +13.37 0 Td +(ThreadFactory)Tj +/TT0 1 Tf +[( )-128(is )-126(custom )-126(naming )-126(and )-126(counting )-126(of )-126(created )]TJ +-15.175 -1.44 Td +[(threads. )68(T)45(hreads )-6(created )-6(b)18(y )-6(the )-6(custom )]TJ +/TT1 1 Tf +17.016 0 Td +(Executor)Tj +/TT0 1 Tf +[( )-7(should )-6(be )-6(distinguishable )-6(from )-6(threads )-6(created )]TJ +-17.021 -1.44 Td +[(b)18(y )-294(the )-294(application )-294(serv)12(er)74(. )-220(T)45(he )-294(name )-294(of )-294(a )-294(thread )-294(will )-294(look )-294(like )]TJ +/TT1 1 Tf +29.816 0 Td +(xray-rest-pool-42)Tj +/TT0 1 Tf +[( )-296(\(the )]TJ +-29.814 -1.44 Td +(forty)Tj +/TT1 1 Tf +(-)Tj +/TT0 1 Tf +[(third )-100(created )-100(thread\). )-100(Proper )-100(thread )-100(naming )-100(is )-100(important )-100(for )-100(monitoring )-100(in )-100(production )-100(and )]TJ +0.005 -1.44 Td +[(during )-159(stress )-159(tests. )-122(W)18(ith )-159(tools )-159(suc)18(h )-159(as )-67(V)37(isualVM )-159(\(http://visualvm.ja)30(v)24(a.net/\))]TJ +/TT3 1 Tf +(,)Tj +/TT0 1 Tf +[( )-159(thread )-159(monitoring )-159(is )]TJ +0.005 -1.44 Td +[(relati)18(v)12(ely )-212(easy)92(. )-120(Y)129(ou )-212(will )-212(alw)18(a)30(ys )]TJ +/C2_0 1 Tf +14.451 0 Td +<005D>Tj +/TT0 1 Tf +[(nd )-212(a )-212(bunc)18(h )-212(of )-212(threads )-212(running )-212(on )-212(an )-212(application )-212(serv)12(er)74(, )-212(so )]TJ +-14.449 -1.44 Td +[(naming y)18(our custom threads differently is a good idea.)]TJ +1.8 -2.24 Td +[(T)45(he )-295(class )]TJ +/TT1 1 Tf +4.769 0 Td +(ThreadPoolExecutor)Tj +/TT0 1 Tf +[( )-297(reuses )-295(alread)24(y)]TJ +/TT3 1 Tf +(-)Tj +/TT0 1 Tf +[(created )-295(threads )-295(behind )-295(the )-295(scenes, )-295(so )]TJ +-6.572 -1.44 Td +[(threads )-137(do )-137(not )-137(need )-137(to )-137(be )-137(created )-137(for )-137(eac)18(h )-137(task. )-100(An )-137(unc)18(hec)18(ked )-137(exception )-137(terminates )-137(a )-137(thread; )]TJ +0.002 -1.44 Td +[(w)18(hat )-97(immediately )-97(initiates )-97(its )-97(re-creation )-97(is )-97(pro)12(vided )-97(with )]TJ +/TT1 1 Tf +25.755 0 Td +(MonitorableThreadFactory)Tj +/TT0 1 Tf +[( )-99(\(see )]TJ +-25.756 -1.44 Td +[(Listing )-53(16\). )-53(New )-53(threads )-53(are )-53(created )-53(only )-53(until )-53(the )]TJ +/C2_0 1 Tf +22.264 0 Td +<0048004A003D003B00470046005D>Tj +/TT0 1 Tf +[(gured )-53(maximum )-53(number )-53(of )-53(threads )-53(is )]TJ +-22.263 -1.44 Td +[(reac)18(hed. )-280(Some )]TJ +/TT1 1 Tf +7.21 0 Td +(ThreadPool)Tj +/TT0 1 Tf +( )Tj +/C2_0 1 Tf +6.559 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gur)12(ations )-280(\(suc)18(h )-280(as )]TJ +/TT1 1 Tf +10.926 0 Td +(newCachedThreadPool)Tj +/TT0 1 Tf +[(\) )-282(destro)12(y )-280(idle )]TJ +-24.692 -1.44 Td +[(t)-216(h)-216(r)-216(e)-216(a)-216(d)-216(s)-216(. )-608(D)-216(e)-216(s)-216(t)-216(r)-216(o)-204(y)-198(e)-216(d )-608(t)-216(h)-216(r)-216(e)-216(a)-216(d)-216(s )-608(a)-216(r)-216(e )-608(a)-216(l)-216(s)-216(o )-608(c)-216(r)-216(e)-216(a)-216(t)-216(e)-216(d )-608(o)-216(n )-608(d)-216(e)-216(m)-216(a)-216(n)-216(d )-608(w)-216(i)-216(t)-216(h )-608(t)-216(h)-216(e )]TJ +/TT1 1 Tf +-0.016 -1.44 Td +(MonitorableThreadFactory)Tj +/TT0 1 Tf +(. )Tj +1.8 -2.24 Td +[(W)37(e )-303(alread)24(y )-303(co)12(v)12(ered )-303(tw)12(o )-303(of )-303(the )-303(par)12(ameters )-303(of )-303(the )-303(constructor: )]TJ +/TT1 1 Tf +29.596 0 Td +(ThreadPoolExecutor)Tj +-31.398 -1.32 Td +[(\()-8(N)-8(R)-8(_)-8(O)-8(F)-8(_)-8(T)-8(H)-8(R)-8(E)-8(A)-8(D)-8(S)-8(, )-504(N)-8(R)-8(_)-8(O)-8(F)-8(_)-8(T)-8(H)-8(R)-8(E)-8(A)-8(D)-8(S)-8(, )-504(I)-8(n)-8(t)-8(e)-8(g)-8(e)-8(r)-8(.)-8(M)-8(A)-8(X)-8(_)-8(V)-8(A)-8(L)-8(U)-8(E)-8(, )-504(T)-8(i)-8(m)-8(e)-8(U)-8(n)-8(i)-8(t)-8(.)-8(S)-8(E)-8(C)-8(O)-8(N)-8(D)-8(S)]TJ +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 472.9988 254.7001 Tm +(, )Tj +ET +Q +BT +/TT1 1 Tf +10 0 0 10 57 240.3001 Tm +[(workQueue, )-370(monitorableThreadFactory,)]TJ +/TT0 1 Tf +[( )-371(and)]TJ +/TT1 1 Tf +[( )-369(ignoringHandler\))]TJ +/TT0 1 Tf +[(. )-296(T)45(he )-369(remaining )]TJ +0 -1.44 TD +[(par)12(ameters )-108(are )-108(less )-108(interesting )-108(and )]TJ +/C2_0 1 Tf +15.587 0 Td +<003C003D005D>Tj +/TT0 1 Tf +[(ne )-108(the )-108(core )-108(pool )-108(size, )-108(the )-108(maximum )-108(size, )-108(the )-108(keep)]TJ +/TT3 1 Tf +(-)Tj +/TT0 1 Tf +[(ali)18(v)12(e )]TJ +-15.583 -1.44 Td +(time, the time unit, and an implementation of the )Tj +/TT1 1 Tf +(BlockingQueue)Tj +/TT0 1 Tf +( interface.)Tj +1.8 -2.24 Td +[(T)-30(h)-75(e )-538(c)-75(r)-75(e)-75(a)-75(t)-75(i)-75(o)-75(n )-538(a)-75(n)-75(d )-538(c)-75(o)-75(n)]TJ +/C2_0 1 Tf +11.79 0 Td +<005D>Tj +/TT0 1 Tf +0.631 0 Td +[(g)-75(u)-75(r)-63(a)-75(t)-75(i)-75(o)-75(n )-538(o)-75(f )-538(t)-75(h)-75(e )-538(t)-75(h)-75(r)-75(e)-75(a)-75(d )-538(p)-75(o)-75(o)-75(l )-538(w)-57(a)-75(s )-538(e)-75(x)-75(t)-75(r)-63(a)-75(c)-75(t)-75(e)-75(d )-538(i)-75(n)-75(t)-75(o )-538(t)-75(h)-75(e )]TJ +/TT1 1 Tf +-14.231 -1.44 Td +(setupThreadPools)Tj +/TT0 1 Tf +[( )-134(method. )-59(T)45(he )]TJ +/TT1 1 Tf +15.884 0 Td +(ThreadPoolExecutor)Tj +/TT0 1 Tf +[( )-135(went )-133(to )-133(production )-133(with )-133(tw)12(o )-133(core )]TJ +-15.882 -1.44 Td +[(threads, )-106(a )-106(maximum )-106(size )-106(of )-106(2, )-106(and )-106(a )-106(maximum )-106(queue )-106(size )-106(of )-106(2. )-106(Not )-106(a )-106(single )-106(request )-106(has )-106(been )]TJ +T* +[(rejected )-298(so )-298(far)74(. )-224(T)45(he )]TJ +/TT1 1 Tf +9.502 0 Td +(ThreadPoolExecutor)Tj +/TT0 1 Tf +[( )-300(is )-298(stored )-298(in )-298(a )-298(static )-298(member)74(. )-298(Sev)12(er)12(al )]TJ +/TT1 1 Tf +29.092 0 Td +(Filter)Tj +/TT0 1 Tf +( )Tj +-38.599 -1.44 Td +(instances share a single thread pool. )Tj +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 495 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(26)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 634.1 Tm +( public Response updateStatistics\(String url\) {)Tj +ET +Q +BT +/TT1 1 Tf +0 Tc 0 Tw 10 0 0 10 57 616.2 Tm +( if \(!isEmpty\(url\)\) {)Tj +0 -1.79 TD +( processURL\(url\);)Tj +T* +( })Tj +T* +( return Response.ok\(\).build\(\);)Tj +T* +( })Tj +T* +( //...)Tj +T* +(})Tj +/TT0 1 Tf +0 -1.88 TD +[(Listing 10: )74(T)45(he Serv)12(er)55(-Side POST)111(-Consuming Method)]TJ +1.8 -2.24 Td +[(T)45(he )]TJ +/TT1 1 Tf +2.015 0 Td +(@Stateless)Tj +/TT0 1 Tf +[( )-171(annotation )-170(tr)12(ansforms )-170(a )-171(POJO )-171(into )-171(an )-170(EJB )-170(3.1 )-171(bean. )-171(EJB )-170(3.1 )-171(beans )-171(are )]TJ +-3.815 -1.44 Td +[(especially )-122(interesting )-122(for )-122(the )-122(realization )-122(of )-122(a )-122(REST )-122(entry )-122(point. )-48(T)45(hey )-122(are )-122(thread-safe, )-122(monitored, )]TJ +0.004 -1.44 Td +[(p)-20(o)-20(o)-20(l)-20(e)-20(d)]TJ +/TT2 1 Tf +3.122 0 Td +(,)Tj +/TT0 1 Tf +[( )-510(a)-20(n)-20(d )-510(t)-20(r)-8(a)-20(n)-20(s)-20(a)-20(c)-20(t)-20(i)-20(o)-20(n)-20(a)-20(l)-20(. )-436(T)54(r)-8(a)-20(n)-20(s)-20(a)-20(c)-20(t)-20(i)-20(o)-20(n)-20(s )-510(a)-20(r)-20(e )-510(t)-20(h)-20(e )-510(m)-20(o)-20(s)-20(t )-510(i)-20(n)-20(t)-20(e)-20(r)-20(e)-20(s)-20(t)-20(i)-20(n)-20(g )-510(f)-20(e)-20(a)-20(t)-20(u)-20(r)-20(e)-20(. )-436(T)25(h)-20(e )-510(m)-20(e)-20(t)-20(h)-20(o)-20(d )]TJ +/TT1 1 Tf +-3.155 -1.44 Td +(updateStatistics)Tj +/TT0 1 Tf +[( )-113(starts )-111(and )-111(commits )-111(a )-111(new )-111(J)12(a)30(v)24(a )-37(T)74(r)12(ansaction )-74(API )-111(\(JT)74(A\) )-111(tr)12(ansaction )-111(on )-111(ev)12(ery )]TJ +-0.004 -1.44 Td +[(request. )-156(T)45(he )-230(tr)12(ansaction )-230(is )-230(tr)12(ansparently )-230(propagated )-230(to )-230(the )-230(bac)18(k)]TJ +/TT2 1 Tf +(-)Tj +/TT0 1 Tf +[(end )-230(services. )-193(As )-230(long )-230(as )-230(the )]TJ +-0.004 -1.44 Td +[(request )-93(is )-93(propagated )-93(sync)18(hronously)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-93(it )-93(doesn\222)37(t )-93(matter )-93(w)18(hether )-93(it )-93(is )-93(processed )-93(b)18(y )-93(EJB )-93(3.1 )-93(beans, )]TJ +0 -1.44 TD +(POJOs)Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-38(or )-38(CDI )-38(managed )-38(beans. )36(T)45(he )-38(tr)12(ansaction )-38(is )-38(tr)12(ansparently )-38(passed )-38(to )-38(all )-38(participants )-38(in)12(v)18(oked )]TJ +-0.002 -1.44 Td +(from the )Tj +/TT1 1 Tf +(updateStatistics)Tj +/TT0 1 Tf +( method. )Tj +1.8 -2.24 Td +[(EJB )-62(beans, )-62(as )-62(well )-62(as )-62(CDI )-62(managed )-62(beans, )-62(can )-62(be )-62(decor)12(ated )-62(b)18(y )-62(inter)12(ceptors )-62(\(see )-62(Listing )-62(11\). )]TJ +-1.797 -1.44 Td +[(An )-232(inter)12(ceptor )-232(is )-232(suitable )-232(for )-232(the )-232(implementation )-232(of )-232(cross-cutting )-232(concerns. )-232(It )-232(is )-232(similar )-232(to )-232(a )]TJ +-0.004 -1.44 Td +[(d)24(ynamic )-286(proxy)92(, )-286(w)18(hereb)18(y )-286(the )-286(container )-286(realizes )-286(the )-286(tr)12(ansparent )-286(\223injection\224 )-286(of )-286(an )-286(inter)12(ceptor )]TJ +0.005 -1.44 Td +[(between the consumer and the pro)12(vider)74(. )]TJ +/TT1 1 Tf +0 -1.79 TD +(public class PerformanceAuditor {)Tj +T* +( private static final Logger LOG = Logger.getLogger)Tj +0 -0.99 TD +(\(PerformanceAuditor.class.getName\(\)\);)Tj +/TT3 1 Tf +0 -1.79 TD +( @AroundTimeout)Tj +T* +( @AroundInvoke)Tj +/TT1 1 Tf +T* +( public Object measurePerformance\(InvocationContext context\) throws\ )Tj +0 -0.99 TD +(Exception{)Tj +0 -1.79 TD +( String methodName = context.getMethod\(\).toString\(\);)Tj +T* +( long start = System.currentTimeMillis\(\);)Tj +T* +( try{)Tj +T* +( return context.proceed\(\);)Tj +T* +( }catch\(Exception e\){)Tj +T* +( LOG.log\(Level.SEVERE, "!!!During invocation of: {0} )Tj +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 496 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(20)Tj +ET +q +52 72 432 569 re +W n +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 57 632 Tm +[(Listing 5: Minimal persistence.xml with a Single P)45(ersistence Unit)]TJ +ET +Q +BT +/TT0 1 Tf +0 Tc 0 Tw 10 0 0 10 75 609.6 Tm +[(GlassF)18(ish )-136(3+ )-136(comes )-136(with )-136(a )-136(preinstalled )-136(EclipseLink )-136(\(http://www)74(.eclipse.org/eclipselink/\) )-136(JP)55(A )]TJ +-1.803 -1.44 Td +[(pro)12(vider)74(. )-252(Unfortunately)92(, )-252(the )-252(Roller )-252(application )-252(is )-252(alread)24(y )-252(bundled )-252(with )-252(the )-215(Apac)18(he )-252(OpenJP)55(A )]TJ +0 -1.44 TD +[(implementation. )-408(X-r)12(a)30(y)92(, )-408(ho)12(wev)12(er)74(, )-408(w)18(as )-408(intended )-408(to )-408(use )-408(the )-408(GlassF)18(ish )-408(default )-408(JP)55(A )-408(pro)12(vider)74(, )]TJ +0.005 -1.44 Td +(EclipseLink. )Tj +1.8 -2.24 Td +[(Because )-378(of )-378(the )-378(existence )-378(of )-378(OpenJP)55(A )-378(in )-378(the )-341(W)45(AR )]TJ +/C2_0 1 Tf +24.718 0 Td +<005D>Tj +/TT0 1 Tf +[(le, )-378(I )]TJ +/C2_0 1 Tf +3.202 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +[(ed )-378(the )]TJ +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +10 0 0 10 418.9901 543.9999 Tm +( )Tj +ET +Q +BT +/TT1 1 Tf +10 0 0 10 57 529.6 Tm +[(o)-44(r)-43(g)-44(.)-44(e)-43(c)-44(l)-44(i)-43(p)-44(s)-44(e)-43(.)-44(p)-44(e)-43(r)-44(s)-44(i)-43(s)-44(t)-44(e)-43(n)-44(c)-43(e)-44(.)-44(j)-43(p)-44(a)-43(.)-44(P)-44(e)-43(r)-44(s)-43(i)-44(s)-43(t)-44(e)-44(n)-43(c)-44(e)-43(P)-44(r)-44(o)-43(v)-44(i)-43(d)-44(e)-43(r )-522(<)-44(/)-44(p)-43(r)-44(o)-43(v)-44(i)-44(d)-43(e)-44(r)-43(>)]TJ +/TT0 1 Tf +[( )-522(t)-43(a)-43(g )-522(t)-43(o )]TJ +0.005 -1.44 Td +[(minimize )-27(interferences )-27(with )-27(OpenJP)55(A. )47(T)45(his )-27(is )-27(not )-27(necessary )-27(in )-27(cleanly )-27(pac)18(kaged )-27(applications. )47(T)45(he )]TJ +-0.004 -1.44 Td +[(lac)18(k )-35(of )-35(the )]TJ +/TT1 1 Tf +4.867 0 Td +()Tj +/TT0 1 Tf +[( )-36(tag )-35(causes )-35(the )-35(application )-35(serv)12(er )-35(to )-35(c)18(hoose )-35(its )-35(preinstalled )-35(JP)55(A )-35(pro)12(vider)74(. )]TJ +-4.861 -1.44 Td +[(T)45(he fallbac)18(k to the default pro)12(vider is another con)12(v)12(enient con)12(v)12(ention. )]TJ +1.8 -2.24 Td +[(T)45(he )-350(property )]TJ +/TT1 1 Tf +6.435 0 Td +(eclipselink.ddl-generation )Tj +/TT0 1 Tf +16.553 0 Td +[(controls )-350(the )-350(gener)12(ation )-350(of )-350(tables )-350(and )]TJ +-24.788 -1.44 Td +[(columns )-303(at )-303(deplo)12(yment )-303(time. )-229(T)45(he )-303(content )-303(of )-303(the )]TJ +/TT1 1 Tf +23.247 0 Td +(jta-database-source)Tj +/TT0 1 Tf +[( )-305(tag )-303(points )-303(to )-303(a )]TJ +-23.249 -1.44 Td +(properly )Tj +/C2_0 1 Tf +3.969 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gured )-79(data )-79(sour)12(ce )-79(at )-79(the )-79(application )-79(serv)12(er)74(. )-79(F)45(or )-79(our )-79(\223proof )-79(of )-79(concept\224 )-79(purposes, )-79(I )]TJ +-3.968 -1.44 Td +[(c)18(hose )-183(the )]TJ +/C2_0 1 Tf +4.739 0 Td +<0048004A003D003B00470046005D>Tj +/TT0 1 Tf +(gured )Tj +/TT1 1 Tf +6.463 0 Td +(jdbc/sample)Tj +/TT0 1 Tf +[( )-184(database. )-183(It )-183(is )-183(automatically )-183(created )-183(during )-183(NetBeans )]TJ +-11.199 -1.44 Td +[(\(J)12(a)30(v)24(a EE v)12(ersion\) installation. )]TJ +/TT1 1 Tf +1.8 -2.24 Td +(persistence.xml)Tj +/TT0 1 Tf +[( )-505(contains )-502(only )-501(a )-500(single )-501(persistence )-503(unit )-501(represented )-503(b)18(y )-500(the )-501(tag )]TJ +/TT1 1 Tf +-1.8 -1.44 Td +()Tj +/TT0 1 Tf +[(. )-147(Y)129(ou )-237(could )]TJ +/C2_0 1 Tf +15.973 0 Td +<003C003D005D>Tj +/TT0 1 Tf +[(ne )-237(multiple )-237(deplo)12(yment )-237(units )-237(with )-237(v)24(arious )-237(cac)18(hing )-237(or )]TJ +-15.973 -1.44 Td +[(v)24(alidation )-180(settings )-180(or )-180(ev)12(en )-180(with )-180(data )-180(sour)12(ce )-180(settings. )-180(If )-180(y)18(ou )]TJ +/C2_0 1 Tf +27.079 0 Td +<003C003D005D>Tj +/TT0 1 Tf +[(ne )-180(additional )]TJ +/TT1 1 Tf +7.92 0 Td +(persistence-)Tj +-34.999 -1.44 Td +(unit)Tj +/TT0 1 Tf +[( )-101(sections )-100(in )]TJ +/TT1 1 Tf +7.815 0 Td +(persistence.xml)Tj +/TT0 1 Tf +[(, )-102(y)18(ou )-100(also )-100(ha)30(v)12(e )-100(to )]TJ +/C2_0 1 Tf +17.335 0 Td +<003B00470046005D>Tj +/TT0 1 Tf +[(gure )-100(the )-100(injection )-100(and )-100(c)18(hoose )-100(the )]TJ +-25.154 -1.44 Td +[(n)-12(a)-12(m)-12(e )-506(o)-12(f )-506(t)-12(h)-12(e )-506(p)-12(e)-12(r)-12(s)-12(i)-12(s)-12(t)-12(e)-12(n)-12(c)-12(e )-506(u)-12(n)-12(i)-12(t )-506(i)-12(n )-506(t)-12(h)-12(e )]TJ +/TT1 1 Tf +18.924 0 Td +[(@)-13(P)-13(e)-13(r)-13(s)-13(i)-13(s)-13(t)-13(e)-13(n)-13(c)-13(e)-13(C)-13(o)-13(n)-13(t)-13(e)-13(x)-13(t)-13(\()-13(u)-13(n)-13(i)-13(t)-13(N)-13(a)-13(m)-13(e)-13(=)-13(\223)-13([)-13(n)-13(a)-13(m)-13(e)-13(])-13(\224)-13(\))]TJ +/TT0 1 Tf +( )Tj +-18.919 -1.44 Td +(annotation. )Tj +1.8 -2.24 Td +[(T)45(he )-82(injection )-82(of )-82(the )]TJ +/TT1 1 Tf +8.955 0 Td +(EntityManager)Tj +/TT0 1 Tf +[( )-84(in )-82(Listing )-82(3 )-82(is )-82(lac)18(king )-82(an )-82(explicit )]TJ +/TT1 1 Tf +22.836 0 Td +(unitName)Tj +/TT0 1 Tf +[( )-83(element )]TJ +-33.594 -1.44 Td +[(in )-182(the )]TJ +/TT1 1 Tf +3.088 0 Td +(@PersistenceContext)Tj +/TT0 1 Tf +[( )-184(annotation )-182(and )-182(will )-182(not )-182(w)12(ork )-182(with )-174(multiple )]TJ +/TT1 1 Tf +31.904 0 Td +(persistence-)Tj +-34.999 -1.44 Td +(unit)Tj +/TT0 1 Tf +10 0 0 10 366.8192 275.2 Tm +-28.582 -1.44 Td +[( )-23(instances. )14(An )-23(error )-23(will )-23(break )-23(the )-23(deplo)12(yment. )-22(Con)12(v)12(ention )-23(o)12(v)12(er )]TJ +/C2_0 1 Tf +28.032 0 Td +<001F00470046005D>Tj +/TT0 1 Tf +[(gur)12(ation )-23(w)12(orks )-23(only )-23(if )]TJ +-30.427 -1.44 Td +[(there is a single possible c)18(hoice.)]TJ +1.8 -2.24 Td +[(T)45(he )-361(method )]TJ +/TT1 1 Tf +6.124 0 Td +(StatisticsService#store)Tj +/TT0 1 Tf +[( )-363(is )-361(the )-361(essential )-361(use )-361(case )-361(for )-361(our )-361(proof )-361(of )]TJ +-7.919 -1.44 Td +(concept:)Tj +/TT1 1 Tf +1.8 -1.79 Td +( public void store\(String uri, String referer\) {)Tj +0 -1.79 TD +( em.persist\(new Statistic\(uri, referer\)\);)Tj +T* +( })Tj +0 -2.24 TD +(StatisticsService)Tj +/TT0 1 Tf +[( )-382(is )-380(an )-380(EJB )-380(3.1 )-380(bean, )-380(so )-380(the )-380(method )-380(store )-380(is )-380(in)12(v)18(oked )-380(inside )-380(a )]TJ +-1.798 -1.44 Td +[(tr)12(ansaction )-42(context. )32(T)45(he )-42(newly )-42(created )]TJ +/TT1 1 Tf +17.03 0 Td +(Statistic)Tj +/TT0 1 Tf +[( )-43(entity )-42(is )-42(passed )-42(to )-42(the )]TJ +/TT1 1 Tf +15.436 0 Td +(EntityManager)Tj +/TT0 1 Tf +[( )-43(and )]TJ +-32.467 -1.44 Td +[(becomes )-33(\223managed.)55(\224 )41(T)45(he )]TJ +/TT1 1 Tf +11.316 0 Td +(EntityManager)Tj +/TT0 1 Tf +[( )-34(no)12(w )-33(holds )-33(a )-33(reference )-33(to )-33(the )]TJ +/TT1 1 Tf +20.859 0 Td +(Statistic)Tj +/TT0 1 Tf +[( )-34(entity )-33(and )]TJ +-32.175 -1.44 Td +[(tr)12(ac)18(ks )-81(its )-81(c)18(hanges. )-81(Because )-81(it )-81(is )-81(deplo)12(y)18(ed )-81(as )]TJ +/TT1 1 Tf +19.688 0 Td +(transaction-type=\223JTA\224)Tj +/TT0 1 Tf +[( )-83(\(see )-81(Listing )-81(5\), )-81(ev)12(ery )]TJ +-19.683 -1.44 Td +(commit )Tj +/C2_0 1 Tf +3.583 0 Td +<005E>Tj +/TT0 1 Tf +[(ushes )-27(all )-26(managed )-27(and )-26(\223dirty\224 )-27(entities )-27(to )-27(the )-27(database. )48(T)45(he )-26(tr)12(ansaction )-27(is )-26(committed )-26(just )]TJ +0 g +/GS1 gs +/TT2 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT3 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT2 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 497 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +0.044 Tc -0.044 Tw 10 0 0 10 261.3228 59 Tm +(14)Tj +0 Tc 0 Tw -18.632 57.06 Td +[(T)45(he robustness and a)30(v)24(ailability of x-r)12(a)30(y is the most important feature. Gathering of statistics )]TJ +-1.8 -1.44 Td +[(must not affect the blog a)30(v)24(ailability)92(.)]TJ +/TT1 1 Tf +12 0 0 12 57 551.6 Tm +[(Constr)12(aints)]TJ +/TT0 1 Tf +10 0 0 10 75 529.2 Tm +[(Roller )-153(\(http://rollerweblogger)74(.org/project/\) )-153(r)12(an )-153(for )-153(o)12(v)12(er )-153(4 )-153(y)18(ears )-153(on )-153(GlassF)18(ish )-153(v2. )-153(Recently)92(, )-153(it )]TJ +-1.797 -1.44 Td +[(w)18(as )-127(migr)12(ated )-127(to )-127(GlassF)18(ish )-127(v3.1, )-127(J2SE )-127(Softw)18(are )-127(Dev)12(elopment )-127(Kit )-127(\(JDK\) )-127(1.6, )-127(and )-127(fully )-127(virtualized )]TJ +0 -1.44 TD +[(Or)12(acle Enterprise Linux \(w)18(hic)18(h is compatible with Red Hat Linux\). GlassF)18(ish v3+ )]TJ +T* +[(\()-17(h)-17(t)-17(t)-17(p)-17(:)-17(/)-17(/)-17(g)-17(l)-17(a)-17(s)-17(s)]TJ +/C2_0 1 Tf +5.057 0 Td +<005D>Tj +/TT0 1 Tf +0.573 0 Td +[(s)-17(h)-17(.)-17(j)-17(a)13(v)7(a)-17(.)-17(n)-17(e)-17(t)-17(/)-17(\) )-509(i)-17(s )-509(t)-17(h)-17(e )-509(J)-5(a)13(v)7(a )-509(P)-17(l)-17(a)-17(t)-17(f)-17(o)-17(r)-17(m)-17(, )-509(E)-17(n)-17(t)-17(e)-17(r)-17(p)-17(r)-17(i)-17(s)-17(e )-509(E)-17(d)-17(i)-17(t)-17(i)-17(o)-17(n )-509(\()-17(J)-5(a)13(v)7(a )-509(E)-17(E)-17(\) )-509(6 )-509(r)-17(e)-17(f)-17(e)-17(r)-17(e)-17(n)-17(c)-17(e )]TJ +-5.628 -1.44 Td +(implementation. )Tj +1.8 -2.24 Td +[(X-r)12(a)30(y )-109(is )-109(deplo)12(y)18(ed )-109(on )-109(GlassF)18(ish )-109(v3 )-109(and )-109(so )-109(it )-109(can )-109(lev)12(er)12(age )-109(all )-109(J)12(a)30(v)24(a )-109(EE )-109(6 )-109(features )-109(without )-109(an)18(y )]TJ +-1.808 -1.44 Td +[(constr)12(aints. )-9(Ma)30(v)12(en )-9(3 )-9(\(http://ma)30(v)12(en.apac)18(he.org/\) )-9(is )-9(used )-9(as )-9(a )-9(build )-9(tool )-9(that )-9(is )-9(executed )-9(on )-9(Hudson )]TJ +-0.001 -1.44 Td +[(\(http://ja)30(v)24(a.net/projects/hudson/\) and the J)12(enkins Continuous Integr)12(ation \(CI\) serv)12(er )]TJ +T* +(\(http://jenkins-ci.org/\).)Tj +1.8 -2.24 Td +[(Roller )-259(runs )-259(on )-259(a )-259(single )-259(node )-259(and )-259(there )-259(ha)30(v)12(e )-259(been )-259(no )-259(performance )-259(problems )-259(so )-259(far)74(, )-259(so )]TJ +-1.806 -1.44 Td +[(clustering )-182(is )-182(considered )-182(optional. )-181(It )-182(is )-182(unlikely )-182(that )-182(x-r)12(a)30(y )-181(will )-182(ev)12(er )-181(need )-182(to )-182(run )-181(in )-182(a )-181(clustered )]TJ +0.003 -1.44 Td +[(en)12(vironment. )-272(A )-309(single-node )-309(setup )-309(makes )-309(cac)18(hing )-309(a )-309(lot )-309(easier )-309(and )-309(it )-309(does )-309(not )-309(require )-309(an)18(y )]TJ +T* +[(distribution or replication str)12(ategies.)]TJ +0 g +/GS1 gs +/TT2 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT3 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT2 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 498 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +10 0 0 10 264.3228 59 Tm +(9)Tj +ET +q +52 72 432 569 re +W n +BT +/TT1 1 Tf +12 0 0 12 57 630 Tm +(Preface)Tj +ET +Q +BT +/TT1 1 Tf +64 0 0 64 270.36 552.8 Tm +(Preface)Tj +/TT0 1 Tf +10 0 0 10 75 474.4 Tm +(My )Tj +/C2_0 1 Tf +1.822 0 Td +<005D>Tj +/TT0 1 Tf +[(rst )-155(self-published )-155(book)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +( )Tj +/TT3 1 Tf +11.276 0 Td +[(Real )-118(W)37(orld )-155(J)12(a)30(v)24(a )-155(EE )-155(P)92(atterns\227Rethinking )-155(Best )-155(Pr)12(actice)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-155(\(http://)]TJ +-14.9 -1.44 Td +(press.adam-bien.com\))Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-61(has )-61(sold )-61(far )-61(better )-61(than )-61(expected. )-61(Ev)12(en )-61(the )-61(complementary )-61(project )-61(\(http://)]TJ +0.001 -1.44 Td +[(kenai.com/projects/ja)30(v)24(aee-patterns/\) )-149(is )-149(one )-149(of )-149(the )-149(most )-149(successful )-149(kenai.com )-149(projects )-149(with )-149(o)12(v)12(er )]TJ +0.004 -1.44 Td +[(400 )-86(members. )-12(T)45(he )]TJ +/TT3 1 Tf +8.475 0 Td +[(Real )-49(W)37(orld )-86(J)12(a)30(v)24(a )-86(EE )-86(P)92(atterns)]TJ +/TT0 1 Tf +[( )-86(book )-86(ans)12(wers )-86(man)18(y )-86(questions )-86(I )-86(ha)30(v)12(e )-86(been )-86(asked )]TJ +-8.481 -1.44 Td +[(during )-20(m)12(y )-20(projects )-20(and )-20(consulting )-20(w)12(ork. )54(T)45(he )-20(old )-20(J)12(a)30(v)24(a )-20(2 )-20(Platform, )-20(Enterprise )-20(Edition )-20(\(J2EE\) )-20(patterns )]TJ +0 -1.44 TD +[(ha)30(v)12(e )-90(not )-90(been )-90(updated )-90(b)18(y )-90(Sun )-90(or )-90(Or)12(acle, )-90(and )-90(more )-90(and )-90(more )-90(projects )-90(are )-90(being )-90(migr)12(ated )-90(from )]TJ +0.002 -1.44 Td +[(the )-126(J2EE )-126(to )-126(J)12(a)30(v)24(a )-126(Platform, )-126(Enterprise )-126(Edition )-126(\(J)12(a)30(v)24(a )-126(EE\) )-126(without )-126(a )-126(corresponding )-126(rethinking )-126(of )-126(the )]TJ +0.005 -1.44 Td +[(best )-90(pr)12(actices. )-90(Often)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-90(the )-90(result )-90(is )-90(the )-90(Same )-90(Old )-90(\(exagger)12(ated\) )-53(Ar)12(c)18(hitecture )-90(\(SO)37(A )-90(for )-90(short )-90(:-\)\) )-90(or )]TJ +0.006 -1.44 Td +(bloated code on a lean platform.)Tj +1.8 -2.24 Td +[(T)45(he )]TJ +/TT3 1 Tf +1.907 0 Td +[(Real )-25(W)37(orld )-62(J)12(a)30(v)24(a )-62(EE )-62(P)92(atterns)]TJ +/TT0 1 Tf +[( )-62(book )-62(w)18(as )-62(published )-62(about )-62(tw)12(o )-62(y)18(ears )-62(ago. )-62(Since )-62(then, )-62(I )-62(ha)30(v)12(e )]TJ +-3.708 -1.44 Td +[(recei)18(v)12(ed )-133(lots )-133(of )-133(requests )-133(for )-133(information )-133(regarding )-133(builds, )-133(testing, )-133(and )-133(performance)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-133(and )-133(I )-133(ha)30(v)12(e )]TJ +T* +[(recei)18(v)12(ed )-148(more )]TJ +/C2_0 1 Tf +6.711 0 Td +<004B0048003D003B0041005D>Tj +/TT0 1 Tf +[(c )-148(J)12(a)30(v)24(a )-148(EE )-148(questions. )-148(In )-148(addition, )-148(m)12(y )-148(blog )-148(\(http://blog.adam-bien.com\) )-148(has )]TJ +-6.708 -1.44 Td +[(become )-104(more )-104(and )-104(more )-104(popular)74(. )-104(Shortly )-104(after )-104(publishing )-104(ev)12(ery )-104(J)12(a)30(v)24(a )-104(EE )-104(post )-104(\(these )-104(are )-104(the )-104(most )]TJ +-0.001 -1.44 Td +(\223dangerous\224\))Tj +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-13(m)12(y )-13(Internet )-13(connection )-13(comes )-13(close )-13(to )-13(collapsing. )-13(\(Y)129(ou )-13(should )-13(kno)12(w )-13(that )-13(m)12(y )-13(serv)12(er )]TJ +0.002 -1.44 Td +[(resides )-140(in )-140(m)12(y )-140(basement )-140(and )-140(also )-140(acts )-140(as )-140(m)12(y )-140(Internet )-140(proxy)92(.\) )-140(It )-140(became )-140(so )-140(bad )-140(that )-140(I )-140(started )-140(to )]TJ +-0.004 -1.44 Td +[(publish )-83(the )-83(posts )-83(w)18(hen )-83(I )-83(w)18(as )-83(not )-83(at )-83(home. )-9(T)45(he )-83(w)18(hole )-83(situation )-83(made )-83(me )-83(curious)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-83(so )-83(I )-83(started )-83(to )]TJ +0.002 -1.44 Td +[(look for monitoring softw)18(are so I could see in real time w)18(hat w)18(as happening on m)12(y serv)12(er)74(. )]TJ +1.8 -2.24 Td +(I couldn\222)Tj +/C2_0 1 Tf +3.799 0 Td +<004C0001005D>Tj +/TT0 1 Tf +[(nd an)18(y monitoring softw)]TJ +/C2_0 1 Tf +11.581 0 Td +<0039004A003D0001004B0048003D003B0041005D>Tj +/TT0 1 Tf +(cally for the Roller weblogger )Tj +-17.18 -1.44 Td +[(\(http://rollerweblogger)74(.org/project/\), )-374(w)18(hic)18(h )-374(is )-374(w)18(hat )-374(m)12(y )-374(blog )-374(runs )-374(on. )-374(J)12(a)30(v)24(a )]TJ +/C2_0 1 Tf +34.673 0 Td +<0048004A0047005D>Tj +/TT0 1 Tf +[(lers )-374(are )-374(too )]TJ +-34.672 -1.44 Td +[(tec)18(hnical, )-240(too )]TJ +/C2_0 1 Tf +6.632 0 Td +<005D>Tj +/TT0 1 Tf +(ne)Tj +/TT2 1 Tf +(-)Tj +/TT0 1 Tf +[(gr)12(ained)]TJ +/TT2 1 Tf +(,)Tj +/TT0 1 Tf +[( )-240(and )-240(too )-240(intrusi)18(v)12(e. )-240(Launc)18(hing )-240(a )-203(W)37(ebalizer )-240(\(http://www)74(.mrunix.net/)]TJ +-6.631 -1.44 Td +[(webalizer/\) )-70(job )-70(after )-58(eac)18(h )-70(post )-70(w)18(as )-70(not )-70(viable; )-70(it )-70(took )-70(sev)12(er)12(al )-70(hours )-70(to )-70(process )-70(all )-70(the )-70(logs. )4(T)45(hus, )]TJ +-0.016 -1.44 Td +[(the idea of building m)12(y \223x-r)12(a)30(y\224 softw)18(are w)18(as born. )]TJ +1.8 -2.24 Td +[(I )-186(w)18(as )-186(able )-186(to )-186(build )-186(a )-186(prototype )-186(in )-186(a )-186(fr)12(action )-186(of )-186(a )-186(weekend )-186(and )-186(put )-186(it )-186(into )-186(production. )-186(It )]TJ +-1.806 -1.44 Td +[(w)12(orked )-186(well )-186(and )-186(w)18(as )-186(good )-186(enough )-186(to )-186(gi)18(v)12(e )-186(me )-186(an )-186(idea )-186(of )-186(w)18(hat )-186(actually )-186(happens )-186(behind )-186(the )]TJ +-0.006 -1.44 Td +[(scenes )-205(on )-205(m)12(y )-205(blog. )-131(T)45(he )-205(result? )-131(T)45(here )-205(w)18(as )-205(nothing )-205(suspicious )-205(going )-205(on\227J)12(a)30(v)24(a )-205(EE )-205(is )-205(just )-205(more)]TJ +10 0 0 10 148.027 170.4001 Tm +33.084 -6.56 Td +( )Tj +-42.2 -1.44 Td +[(popular than I expected. My serv)12(er w)18(as o)12(v)12(erw)18(helmed b)18(y human visitors, not bots. )]TJ +0 g +/GS1 gs +/TT4 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT5 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT4 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 499 0 obj <>stream +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +10 0 0 10 264.3228 59 Tm +(6)Tj +/TT1 1 Tf +12 0 0 12 57 600.4 Tm +( )Tj +0 g +/GS1 gs +/TT2 1 Tf +-0.103 Tc 0 8.25 -8.25 0 7.0437 260.3998 Tm +(D)Tj +/TT3 1 Tf +-0.104 Tc 0 8.3 -8.3 0 7.0437 265.8897 Tm +(o)Tj +/TT2 1 Tf +0.53 0 Td +[(w)-91(n)-91(l)-91(o)-91(a)-91(d)-91( )-91(f)-91(r)-91(o)-91(m)-91( )-91(W)-91(o)-91(w)-91(!)-91( )-91(e)-91(B)-91(o)-91(o)-91(k)-91( )-91(<)-91(w)-91(w)-91(w)-91(.)-91(w)-91(o)-91(w)-91(e)-91(b)-91(o)-91(o)-91(k)-91(.)-91(c)-91(o)-91(m)-91(>)]TJ +ET + +endstream endobj 500 0 obj <>stream +q +52 72 432 569 re +W n +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +10 0 0 10 57 632 Tm +[(Real )37(W)37(orld J)12(a)30(v)24(a EE Night Hac)18(ks )]TJ +ET +Q +BT +/CS0 cs 0 scn +/GS0 gs +/TT0 1 Tf +9 0 0 9 198.23 632 Tm +(\227)Tj +ET +q +52 72 432 569 re +W n +BT +/TT0 1 Tf +10 0 0 10 207.23 632 Tm +[( Dissecting the Business )74(T)74(ier)]TJ +ET +Q +BT +/TT1 1 Tf +10 0 0 10 57 620 Tm +[(b)18(y )37(Adam Bien)]TJ +0 -3.6 TD +[(Cop)18(yright \251 2011 press.adam-bien.com. )37(All rights reserv)12(ed. )]TJ +0 -1.2 TD +[(Published b)18(y press.adam-bien.com.)]TJ +T* +[(F)45(or more information or feedbac)18(k, contact abien@adam-bien.com.)]TJ +/TT0 1 Tf +0 -2.4 TD +[(Co)12(v)12(er Picture: )]TJ +/TT1 1 Tf +[(T)45(he front picture is the por)12(c)18(h of the Moscone Center in San F)37(r)12(ancisco and w)18(as )]TJ +0 -1.2 TD +[(taken 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