103 lines
2.5 KiB
Java
103 lines
2.5 KiB
Java
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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import java.util.logging.LogManager;
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import node.Node;
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import analysis.NetworkDumper;
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public class RandomGenerator2 {
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public static double BIRTH_RATE = 0.50;
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private static int START_NODES = 100;
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public static List<Node> nodes = new ArrayList<Node>();
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public static Random gen = new Random();
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private int maxNodes = 0;
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private int numSpawned = 0;
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private int numKilled = 0;
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private Node firstNode;
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public RandomGenerator2() {
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firstNode = new Node();
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nodes.add(firstNode);
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new NetworkDumper(firstNode);
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for (int i = 0; i < START_NODES; i++) {
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nodes.add(new Node());
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}
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while (true) {
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if (gen.nextDouble() > 1 - BIRTH_RATE) {
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spawn();
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} else {
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kill();
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}
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try {
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Thread.sleep(5000);
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} catch (InterruptedException e) {
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}
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}
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// System.out.println("Executed " + ROUNDS
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// + " rounds (with a spawn rate of " + BIRTH_RATE + "). "
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// + numSpawned + " nodes were spawned, " + numKilled
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// + " nodes were killed. Currently " + "there are "
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// + nodes.size() + " nodes remaining. At one point we had"
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// + " a maximum of " + maxNodes + " nodes.");
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}
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private void spawn() {
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try {
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if (nodes.isEmpty()) {
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nodes.add(new Node());
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} else {
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Node randomNode = getRandomNode();
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Node newNode = randomNode.spawn();
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nodes.add(newNode);
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}
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numSpawned++;
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if (maxNodes < nodes.size()) {
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maxNodes = nodes.size();
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}
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} catch (IOException e) {
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}
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}
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private void kill() {
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if (nodes.size() < 2)
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return;
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Node randomNode;
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while ((randomNode = getRandomNode()) == firstNode) {
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// Dont kill first node
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}
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nodes.remove(randomNode);
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randomNode.leave();
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numKilled++;
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}
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private Node getRandomNode() {
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return nodes.get(gen.nextInt(nodes.size()));
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}
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public static void main(String args[]) {
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System.setProperty("java.util.logging.config.file",
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"logging.properties");
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try {
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LogManager.getLogManager().readConfiguration();
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} catch (Exception e) {
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e.printStackTrace();
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}
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new RandomGenerator2();
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}
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}
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