How to use

BackgroundExecutor

in

ch.cyberduck.core.threading

/**
 * Will queue up the <code>BackgroundAction</code> to be run in a background thread
 *
 * @param action The runnable to execute in a secondary thread
 */
@Override
public <T> Future<T> background(final BackgroundAction<T> action) {
  if(registry.contains(action)) {
    log.warn(String.format("Skip duplicate background action %s found in registry", action));
    return ConcurrentUtils.constantFuture(null);
  }
  return DefaultBackgroundExecutor.get().execute(this, registry, action);
}

/**
 * Quits the Rendezvous daemon and saves all preferences
 *
 * @param notification Notification name
 */
@Override
public void applicationWillTerminate(NSNotification notification) {
  if(log.isDebugEnabled()) {
    log.debug(String.format("Application will quit with notification %s", notification));
  }
  this.invalidate();
  // Clear temporary files
  TemporaryFileServiceFactory.get().shutdown();
  //Terminating rendezvous discovery
  RendezvousFactory.instance().quit();
  // Remove notifications from center
  NotificationServiceFactory.get().unregister();
  // Disable update
  updater.unregister();
  //Writing usage info
  preferences.setProperty("uses", preferences.getInteger("uses") + 1);
  preferences.save();
  DefaultBackgroundExecutor.get().shutdown();
}