code: protected void dispatchMessage (Message message)
      {
          _messagesIn++; // count 'em up!
  
          // we dispatch to a message dispatcher that is specialized for the particular class of
          // message that we received
          MessageDispatcher disp = _disps.get(message.getClass());
          if (disp == null) {
              log.warning("No dispatcher for message", "msg", message);
              return;
          }
  
          // otherwise pass the message on to the dispatcher
          disp.dispatch(this, message);
      }
docs: Processes a message without throttling.