* Cancels the task.
     */
    public void cancel() {
        status = CANCELED;
    }

    /**
     * Returns whether the task is stopped.
     *
     * @return whether the task is stopped
     */
    public boolean isStopped() {
        return status == STOPPED;
    }

    /**
     * Stops the timer.
     */
    public void stop() {
        if (status != ACTIVE) {

    public synchronized void stop() {
        if (thread != null) {
            thread.interrupt();
            thread = null;
            if (logger.isDebugEnabled()) {
                logger.debug("TimeoutManager stopped.");
            }
        }
    }

    /**
     * Interrupts the thread and waits for it to terminate.
     *
     * @param timeoutMillis
     *            The time to wait (in milliseconds)

      new ListenerCallQueue.Event<Listener>() {
        @Override
        public void call(Listener listener) {
          listener.stopped();
        }

        @Override
        public String toString() {
          return "stopped()";
        }
      };

  /**
   * A listener for the aggregate state changes of the services that are under management. Users

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("SuggestCreator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

   * this initiates service shutdown and returns immediately. If the service is {@linkplain
   * State#NEW new}, it is {@linkplain State#TERMINATED terminated} without having been started nor
   * stopped. If the service has already been stopped, this method returns immediately without
   * taking action.
   *
   * @return this
   * @since 15.0
   */
  @CanIgnoreReturnValue
  Service stopAsync();

  /**

   * this initiates service shutdown and returns immediately. If the service is {@linkplain
   * State#NEW new}, it is {@linkplain State#TERMINATED terminated} without having been started nor
   * stopped. If the service has already been stopped, this method returns immediately without
   * taking action.
   *
   * @return this
   * @since 15.0
   */
  @CanIgnoreReturnValue
  Service stopAsync();

  /**

    manager.awaitStopped(5, SECONDS); // no exception thrown
  }

  /**
   * This covers a case where if the last service to stop failed then the stopped callback would
   * never be called.
   */
  public void testSingleFailedServiceCallsStopped() {
    Service a = new FailStartService();
    ServiceManager manager = new ServiceManager(asList(a));

			continue
		}
		diskStats[disk.PoolIndex].AvailableSpace += disk.AvailableSpace
		diskStats[disk.PoolIndex].TotalSpace += disk.TotalSpace
	}

	stopTime := meta.StoppedAt
	r = rebalanceAdminStatus{
		ID:        meta.ID,
		StoppedAt: meta.StoppedAt,
		Pools:     make([]rebalancePoolStatus, len(meta.PoolStats)),
	}
	for i, ps := range meta.PoolStats {
		r.Pools[i] = rebalancePoolStatus{
			ID:     i,

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("ThumbnailGenerator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("ThumbnailGenerator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

    }
  }

  /**
   * Invoke this method to transition the service to the {@link State#FAILED}. The service will
   * <b>not be stopped</b> if it is running. Invoke this method when a service has failed critically
   * or otherwise cannot be started nor stopped.
   */
  protected final void notifyFailed(Throwable cause) {
    checkNotNull(cause);

    monitor.enter();
    try {