code: public boolean messageIncoming(final Message message) {
          if (!this.hasToLetMessageThroughTheGate(message)) {
              return false;
          }
          this.consumers.messageReceived(message, MessageDeliveryStatus.INCOMING, this);
          return true;
      }
docs: Notify {@link MessageConsumer}s of a message that is
  {@link MessageDeliveryStatus#INCOMING}.
  
  @param message
  The message in question.
  @return True if the message was passed to {@link MessageConsumer}s, false
  if stopped at the gate by
  {@link LogWatchBuilder#getGateCondition()}.