code: protected void notifyToHandler(ServerHandlerClass handler, 
              Object message, ISFSObject params) {
          Object object = handler.newInstance();
          MessageParamsClass paramsClass = context.getMessageParamsClass(object.getClass());
          if(paramsClass == null) paramsClass = new MessageParamsClass(object.getClass());
          new RequestParamDeserializer().deserialize(paramsClass.getWrapper(), params, object);
          ReflectMethodUtil.invokeHandleMethod(
                  handler.getHandleMethod(), 
                  object,  context, message);
          new ResponseParamSerializer().object2params(paramsClass.getUnwrapper(), object, params);
      }
docs: Propagate event to handler
  
  @param handler structure of handler class
  @param message message data
  @param params addition data to send