}

  @Override
  public final State state() {
    return delegate.state();
  }

  /**
   * @since 13.0
   */
  @Override
  public final void addListener(Listener listener, Executor executor) {
    delegate.addListener(listener, executor);
  }

  /**
   * @since 14.0
   */
  @Override
  public final Throwable failureCause() {
    return delegate.failureCause();
  }

  @Override
  public final Throwable failureCause() {
    return snapshot.failureCause();
  }

  /**
   * @since 13.0
   */
  @Override
  public final void addListener(Listener listener, Executor executor) {
    listeners.addListener(listener, executor);
  }

  @Override
  public String toString() {
    return getClass().getSimpleName() + " [" + state() + "]";
  }

  /**

  }

  @Override
  public final State state() {
    return delegate.state();
  }

  /**
   * @since 13.0
   */
  @Override
  public final void addListener(Listener listener, Executor executor) {
    delegate.addListener(listener, executor);
  }

  /**
   * @since 14.0
   */
  @Override
  public final Throwable failureCause() {
    return delegate.failureCause();
  }

   * }
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See
   * the discussion in the {@link ListenableFuture#addListener} documentation. All its warnings
   * about heavyweight listeners are also applicable to heavyweight functions passed to this method.
   *
   * <p>After calling this method, you may not call {@link #finishToFuture()}, {@link

    protected final boolean wasInterrupted() {
      return sync.wasInterrupted();
    }

    /**
     * {@inheritDoc}
     *
     * @since 10.0
     */
    @Override
    public void addListener(Runnable listener, Executor exec) {
      executionList.add(listener, exec);
    }

    /**
     * Subclasses should invoke this method to set the result of the computation to {@code value}.

        void onCallRejected(SmbCircuitBreaker circuitBreaker);
    }

    /**
     * Add a listener for circuit breaker events
     *
     * @param listener the listener to add
     */
    public void addListener(CircuitBreakerListener listener) {
        if (listener != null) {
            listeners.add(listener);
        }
    }

    /**
     * Remove a listener
     *

    } finally {
      joinPool(e);
    }
  }

  private static void assertListenerRunImmediately(ListenableFuture<?> future) {
    CountingRunnable listener = new CountingRunnable();
    future.addListener(listener, directExecutor());
    assertEquals(1, listener.count);
  }

  private static final class CountingRunnable implements Runnable {
    int count;

    @Override
    public void run() {

        FtpServerFactory factory = new FtpServerFactory();
        ListenerFactory lisnerFactory = new ListenerFactory();
        lisnerFactory.setPort(port);
        factory.addListener("default", lisnerFactory.createListener());

        if (username != null) {
            UserManager userManager = factory.getUserManager();
            BaseUser ftpUser = new BaseUser();

   * }
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See
   * the discussion in the {@link ListenableFuture#addListener} documentation. All its warnings
   * about heavyweight listeners are also applicable to heavyweight functions passed to this method.
   *
   * <p>After calling this method, you may not call {@link #finishToFuture()}, {@link