java - 来自线程的方法调用未完成 - 如何结束线程 - 解决方法

Question

我有以下代码。

ReadWriteLock someLock = new ReentrantReadWriteLock();
Condition someCondition = someLock.writeLock().newCondition();

public someMethod() {
    // do some stuff
    someCondition.await(); //Lock here.
    System.out.prinltn("This never prints");
}

public doSomeStuff() {
    new Thread(new Runnable() {
        @Override
        public void run() {
            try {
                someMethod();
                System.out.println("thread finished");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("thread is going to die");
        }
    }).start();
}

当线程调用方法 someMethod() 时，它会被执行。但是由于该函数有一个 await() 方法。它永远不会结束/它不会打印“This never prints”，除非它被 singnalAll() 唤醒。但我希望线程在执行后完成。

我无法重构整个事情。我只需要解决此问题的方法。它用于 Swing 应用程序。所以线程很重要。

Answer 1

我认为，这样做会:

Thread thread =
  new Thread(new Runnable() {
    @Override
    public void run() {
        try {
          someMethod();
          System.out.println("thread finished");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("thread is going to die");
    }
  });

thread.start( );

final long reasonableTimeout = ...;

thread.join( reasonableTimeout );

// THIS WILL SHAKE IT UP
thread.interrupt( );

thread.join( );

// At this point, it is guaranteed that the thread has finished