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package com.zl1030.Phaser;
import java.util.concurrent.Phaser;
public class Bot implements Runnable {
private Phaser phaser;
private int id;
public Bot(int id, Phaser phaser) {
super();
this.id = id;
this.phaser = phaser;
}
public void run() {
try {
for (int i = 0; i < 5; i++) {
System.out.println("id:" + id + " wait...");
Thread.sleep((long) (Math.random() * 5000));
System.out.println("id:" + id + " arrive phase: " + phaser.getPhase());
phaser.arriveAndAwaitAdvance();
System.out.println("id:" + id + " after wait");
}
} catch (Exception e) {
e.printStackTrace();
}
}
} |
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package com.zl1030.Phaser;import java.util.Scanner;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import java.util.concurrent.Phaser;public class Test { public static void main(String... args) throws Exception { Phaser phaser = new Phaser() { @Override protected boolean onAdvance(int phase, int registeredParties) { System.out.println("=====================phase:" + phase + " arrived!============================"); return false; } }; int botNum = 3; phaser.bulkRegister(botNum + 1); ExecutorService executorService = Executors.newCachedThreadPool(); for (int i = 0; i < botNum; i++) { executorService.execute(new Bot(i + 1, phaser)); } Scanner s = new Scanner(System.in); System.out.println("请输入字符串："); while (true) { String line = s.nextLine(); if (line.equals("exit")) { System.out.println("Bye!"); System.exit(0); } else { switch (line) { case "add": phaser.bulkRegister(1); botNum += 1; executorService.execute(new Bot(botNum, phaser)); break; case "state": System.out.println("phase: " + phaser.getPhase() + " arrivedParties:" + phaser.getArrivedParties() + "/" + botNum); break; case "continue": phaser.arriveAndAwaitAdvance(); break; } System.out.println(">>>" + line); } } }}
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