Example usage for java.util.concurrent Phaser bulkRegister

Introduction

In this page you can find the example usage for java.util.concurrent Phaser bulkRegister.

Prototype

public int bulkRegister(int parties) 

Source Link

Document

Adds the given number of new unarrived parties to this phaser.

Usage

From source file:AdderTask.java

public static void main(String[] args) {
    final int PHASE_COUNT = 2;
    Phaser phaser = new Phaser() {
        public boolean onAdvance(int phase, int parties) {
            System.out.println(//  w  w w.ja v  a  2s.c  o m
                    "Phase:" + phase + ", Parties:" + parties + ",  Arrived:" + this.getArrivedParties());
            boolean terminatePhaser = false;
            if (phase >= PHASE_COUNT - 1 || parties == 0) {
                terminatePhaser = true;
            }

            return terminatePhaser;
        }
    };
    List<Integer> list = Collections.synchronizedList(new ArrayList<Integer>());
    int ADDER_COUNT = 3;
    phaser.bulkRegister(ADDER_COUNT + 1);
    for (int i = 1; i <= ADDER_COUNT; i++) {
        String taskName = "Task  #" + i;
        AdderTask task = new AdderTask(taskName, phaser, list);
        task.start();
    }
    while (!phaser.isTerminated()) {
        phaser.arriveAndAwaitAdvance();
    }
    int sum = 0;
    for (Integer num : list) {
        sum = sum + num;
    }
    System.out.println("Sum = " + sum);
}

---