workerthread.java

来自「java 完全探索的随书源码」· Java 代码 · 共 39 行

public class WorkerThread extends Thread
{
  // Boolean flag that keeps state about when the thread should stop
  boolean keepRunning = true;

  // Default Constructor
  public WorkerThread( ThreadGroup group, String threadName )
  {
    super( group, threadName );
  }
  // Override the parents run method to do something special
  public void run()
  {
    // While the thread should keep running
    while( getKeepRunning() )
    {
      System.out.println( "Thread " + getName() + " is Running" );
      try
      {
        // Sleep for a time
        sleep( 3000 );
      }
      catch( Exception ex )
      { /* Don't do anything here */ }
    }
    // Let the user know that this thread is exiting
    System.out.println( "Thread: " + getName() + " is stopping" );
  }
  // public setting method to stop the thread
  public synchronized void setKeepRunning( boolean trueOrFalse )
  {
    keepRunning = trueOrFalse;
  }
  // public accessor for gettting the state of this thread
  public synchronized boolean getKeepRunning()
  {
    return keepRunning;
  }
}