/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* 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 com.alibaba.dubbo.remoting.exchange; | |
import com.alibaba.dubbo.common.Constants; | |
import com.alibaba.dubbo.common.URL; | |
import com.alibaba.dubbo.common.extension.Adaptive; | |
import com.alibaba.dubbo.common.extension.SPI; | |
import com.alibaba.dubbo.remoting.RemotingException; | |
import com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchanger; | |
/** | |
* Exchanger. (SPI, Singleton, ThreadSafe) | |
* | |
* <a href="http://en.wikipedia.org/wiki/Message_Exchange_Pattern">Message Exchange Pattern</a> | |
* <a href="http://en.wikipedia.org/wiki/Request-response">Request-Response</a> | |
* | |
* @author william.liangf | |
*/ | |
@SPI(HeaderExchanger.NAME) | |
public interface Exchanger { | |
/** | |
* bind. | |
* | |
* @param url | |
* @param handler | |
* @return message server | |
*/ | |
@Adaptive({Constants.EXCHANGER_KEY}) | |
ExchangeServer bind(URL url, ExchangeHandler handler) throws RemotingException; | |
/** | |
* connect. | |
* | |
* @param url | |
* @param handler | |
* @return message channel | |
*/ | |
@Adaptive({Constants.EXCHANGER_KEY}) | |
ExchangeClient connect(URL url, ExchangeHandler handler) throws RemotingException; | |
} |