/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.dispatcher;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHandler;
/**
* Strategy interface for dispatching messages to handlers.
*
* @author Mark Fisher
* @author Gary Russell
*/
public interface MessageDispatcher {
/**
* Add a message handler.
* @param handler the handler.
* @return true if successfully added.
*/
boolean addHandler(MessageHandler handler);
/**
* Remove a message handler.
* @param handler the handler.
* @return true of successfully removed.
*/
boolean removeHandler(MessageHandler handler);
/**
* Dispatch the message.
* @param message the message.
* @return true if dispatched.
*/
boolean dispatch(Message<?> message);
/**
* Return the current handler count.
* @return the handler count.
*/
int getHandlerCount();
}