Method notifyFailed

output/java_guava/1.4.19/AbstractService.java:403–428

Invoke this method to transition the service to the State#FAILED. The service will not be stopped if it is running. Invoke this method when a service has failed critically or otherwise cannot be started nor stopped.

(Throwable cause)

  protected final void notifyFailed(Throwable cause) {
    checkNotNull(cause);
    monitor.enter();
    try {
      State previous = state();
      switch (previous) {
        case NEW:
        case TERMINATED:
          throw new IllegalStateException("Failed while in state:" + previous, cause);
        case RUNNING:
        case STARTING:
        case STOPPING:
          snapshot = new StateSnapshot(FAILED, false, cause);
        failed(previous, cause);
        break;
        case FAILED:
          // Do nothing
          break;
        default:
          throw new AssertionError("Unexpected state: " + previous);
      }
    } finally {
      monitor.leave();
      executeListeners();
    }
  }

  @Override
  public final boolean isRunning() {