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package com.brianway.learning.java.multithread.lock.example6;
/**
* Created by Brian on 2016/4/15.
*/
/**
* P222
* 测试方法boolean hasQueueThread(Thread thread)
* 查询指定的线程是否正在等待获取此锁定
* 测试方法boolean hasQueueThreads()
* 查询是否有线程正在等待获取此锁定
*/
public class Run6_hasQueueThread {
public static void main(String[] args) throws InterruptedException {
final Service1 service = new Service1();
Runnable runnable = new Runnable() {
public void run() {
service.waitMethod();
}
};
Thread threadA = new Thread(runnable);
threadA.start();
Thread.sleep(500);
Thread threadB = new Thread(runnable);
threadB.start();
Thread.sleep(500);
System.out.println(service.lock.hasQueuedThread(threadA));
System.out.println(service.lock.hasQueuedThread(threadB));
System.out.println(service.lock.hasQueuedThreads());
}
}
/*
输出：
false
true
true
*/