com.google.common.util.concurrent.ThreadFactoryBuilder#setThreadFactory ( )源码实例Demo

@Override
protected void serviceStart() throws Exception {
  ThreadFactoryBuilder tfBuilder = new ThreadFactoryBuilder()
      .setNameFormat("CommitterEvent Processor #%d");
  if (jobClassLoader != null) {
    // if the job classloader is enabled, we need to use the job classloader
    // as the thread context classloader (TCCL) of these threads in case the
    // committer needs to load another class via TCCL
    ThreadFactory backingTf = new ThreadFactory() {
      @Override
      public Thread newThread(Runnable r) {
        Thread thread = new Thread(r);
        thread.setContextClassLoader(jobClassLoader);
        return thread;
      }
    };
    tfBuilder.setThreadFactory(backingTf);
  }
  ThreadFactory tf = tfBuilder.build();
  launcherPool = new ThreadPoolExecutor(5, 5, 1,
      TimeUnit.HOURS, new LinkedBlockingQueue<Runnable>(), tf);
  eventHandlingThread = new Thread(new Runnable() {
    @Override
    public void run() {
      CommitterEvent event = null;
      while (!stopped.get() && !Thread.currentThread().isInterrupted()) {
        try {
          event = eventQueue.take();
        } catch (InterruptedException e) {
          if (!stopped.get()) {
            LOG.error("Returning, interrupted : " + e);
          }
          return;
        }
        // the events from the queue are handled in parallel
        // using a thread pool
        launcherPool.execute(new EventProcessor(event));        }
    }
  });
  eventHandlingThread.setName("CommitterEvent Handler");
  eventHandlingThread.start();
  super.serviceStart();
}
 

@Override
protected void serviceStart() throws Exception {
  ThreadFactoryBuilder tfBuilder = new ThreadFactoryBuilder()
      .setNameFormat("CommitterEvent Processor #%d");
  if (jobClassLoader != null) {
    // if the job classloader is enabled, we need to use the job classloader
    // as the thread context classloader (TCCL) of these threads in case the
    // committer needs to load another class via TCCL
    ThreadFactory backingTf = new ThreadFactory() {
      @Override
      public Thread newThread(Runnable r) {
        Thread thread = new Thread(r);
        thread.setContextClassLoader(jobClassLoader);
        return thread;
      }
    };
    tfBuilder.setThreadFactory(backingTf);
  }
  ThreadFactory tf = tfBuilder.build();
  launcherPool = new ThreadPoolExecutor(5, 5, 1,
      TimeUnit.HOURS, new LinkedBlockingQueue<Runnable>(), tf);
  eventHandlingThread = new Thread(new Runnable() {
    @Override
    public void run() {
      CommitterEvent event = null;
      while (!stopped.get() && !Thread.currentThread().isInterrupted()) {
        try {
          event = eventQueue.take();
        } catch (InterruptedException e) {
          if (!stopped.get()) {
            LOG.error("Returning, interrupted : " + e);
          }
          return;
        }
        // the events from the queue are handled in parallel
        // using a thread pool
        launcherPool.execute(new EventProcessor(event));        }
    }
  });
  eventHandlingThread.setName("CommitterEvent Handler");
  eventHandlingThread.start();
  super.serviceStart();
}