@Override
 public <T> void unsubscribe(Class<T> msgClass, IMessageHandler<T> handler) {
   m_bus.unsubscribe(msgClass, handler);
 }
 public void subscribeByAnnotation(Object obj) {
   m_bus.subscribeByAnnotation(obj);
 }
 @Override
 public void publish(Object message) {
   m_bus.publish(message);
 }