onRouteMessage_(event) {
    if (event.routeId != this.routeId_) {
      return;
    }
    this.onMessage(event.message);
  }
/**
   * Called when a message is received.
   *
   * @param {mr.InternalMessageEvent.<!Object|string>} event
   * @private
   */
Called when a message is received.
Called when a message is received .
onRouteMessage_(event) {
    if (event.routeId != this.routeId_) {
      return;
    }
    this.onMessage(event.message);
  }
onRouteMessage_ ( event ) { if ( event . routeId != this . routeId_ ) { return ; } this . onMessage ( event . message ) ; }
Called when a message is received.
Called when a message is received .