Java Phaser getRegisteredParties() 方法

2025年3月21日 | 阅读 1 分钟

getRegisteredParties() 方法属于 Phaser 类。它返回当前 Phaser 中已注册的参与者数量。

语法

它返回当前 Phaser 中已注册的参与者数量。

示例 1

import java.util.concurrent.Phaser;
public class PhaserGetRegisteredPartiesExample1
{
    public static void main(String[] args) throws InterruptedException
    {
        int i, j;
          Phaser p = new Phaser();
          p.register();
          int pc = p.getPhase();
          System.out.println("Phasecount is "+pc);
          new PhaserGetRegisteredPartiesExample1().testPhaser(p);
          Thread.sleep(5000);
          pc = p.getPhase();
          System.out.println("Phasecount is "+pc);
           j=p.getRegisteredParties();
          System.out.println("Arrived Registered Parties:"+j);
    }
    private void testPhaser(final Phaser phaser)
    {
        new Thread(){
                @Override
                public void run()
                    {
                        System.out.println(Thread.currentThread().getName()+" arrived");
                       
                    }
               }.start();
    }
}

输出

Phasecount is 0
Thread-0 arrived
Phasecount is 0
Arrived Registered Parties:1

示例 2

import java.util.concurrent.Phaser;
public class PhaserGetRegisteredPartiesExample2
{
    public static void main(String[] args) throws InterruptedException
    {
        int i, j;
          Phaser p = new Phaser();
          p.register();
          int pc = p.getPhase();
          System.out.println("Phasecount is "+pc);
          for(i=0;i<=5;i++)
          {
          new PhaserGetRegisteredPartiesExample2().testPhaser(p);
          }
          Thread.sleep(5000);
          pc = p.getPhase();
          System.out.println("Phasecount is "+pc);
           j=p.getRegisteredParties();
          System.out.println("Arrived Registered Parties:"+j);
    }
    private void testPhaser(final Phaser phaser)
    {
        new Thread(){
                @Override
                public void run()
                    {
                        System.out.println(Thread.currentThread().getName()+" arrived");
                       
                    }
               }.start();
    }
}

输出

Phasecount is 0
Thread-0 arrived
Thread-1 arrived
Thread-2 arrived
Thread-3 arrived
Thread-4 arrived
Thread-5 arrived
Phasecount is 0
Arrived Registered Parties:1

下一话题Java Phaser

Java Phaser getRegisteredParties() 方法

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示例 1

示例 2

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Java Phaser getRegisteredParties() 方法

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示例 1

示例 2

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