* @since 15.0
   */
  @CanIgnoreReturnValue
  Service startAsync();

  /** Returns {@code true} if this service is {@linkplain State#RUNNING running}. */
  boolean isRunning();

  /** Returns the lifecycle state of the service. */
  State state();

  /**
   * If the service is {@linkplain State#STARTING starting} or {@linkplain State#RUNNING running},

            delegate.awaitTerminated(timeout, unit);
          }

          @Override
          public final boolean isRunning() {
            return delegate.isRunning();
          }

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

          @Override

            delegate.awaitTerminated(timeout, unit);
          }

          @Override
          public final boolean isRunning() {
            return delegate.isRunning();
          }

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

          @Override

        case FAILED:
          // Do nothing
          break;
      }
    } finally {
      monitor.leave();
      dispatchListenerEvents();
    }
  }

  @Override
  public final boolean isRunning() {
    return state() == RUNNING;
  }

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

  /**
   * @since 14.0
   */
  @Override

    return getClass().getSimpleName();
  }

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

  @Override
  public final boolean isRunning() {
    return delegate.isRunning();
  }

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

  /**
   * @since 13.0
   */
  @Override

    assertTrue(startedStopwatch.isRunning());
  }

  public void testCreateUnstarted() {
    Stopwatch unstartedStopwatch = Stopwatch.createUnstarted();
    assertFalse(unstartedStopwatch.isRunning());
    assertEquals(0, unstartedStopwatch.elapsed(NANOSECONDS));
  }

  public void testInitialState() {
    assertFalse(stopwatch.isRunning());
    assertEquals(0, stopwatch.elapsed(NANOSECONDS));
  }

    assertEquals(State.NEW, service.state());
    assertFalse(service.isRunning());
    assertFalse(service.running);

    service.startAsync();
    assertEquals(State.RUNNING, service.state());
    assertTrue(service.isRunning());
    assertTrue(service.running);

    service.stopAsync();
    assertEquals(State.TERMINATED, service.state());
    assertFalse(service.isRunning());
    assertFalse(service.running);
    assertEquals(

    assertEquals(State.NEW, service.state());
    assertFalse(service.isRunning());
    assertFalse(service.running);

    service.startAsync();
    assertEquals(State.RUNNING, service.state());
    assertTrue(service.isRunning());
    assertTrue(service.running);

    service.stopAsync();
    assertEquals(State.TERMINATED, service.state());
    assertFalse(service.isRunning());
    assertFalse(service.running);
    assertEquals(

    public JsonResponse<ApiResult> put$start(final String id) {
        final String[] jobLogId = { null };
        scheduledJobService.getScheduledJob(id).ifPresent(entity -> {
            if (!entity.isEnabled() || entity.isRunning()) {
                throwValidationErrorApi(messages -> {
                    messages.addErrorsFailedToStartJob(GLOBAL, entity.getName());
                });
            }
            try {

   * get detailed information about which services are not running.
   */
  public boolean isHealthy() {
    for (Service service : services) {
      if (!service.isRunning()) {
        return false;
      }
    }
    return true;
  }

  /**
   * Provides a snapshot of the current state of all the services under management.
   *