code: private void callHandleMethod(Method method, Object instance, 
              Object roomAgent, Object userAgent) {
          ReflectMethodUtil.invokeHandleMethod(method, 
                      instance, context, roomAgent, userAgent);
      }
docs: Invoke handle method
  
  @param method handle method
  @param instance object to invoke method
  @param roomAgent room agent object
  @param userAgent user agent object