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/*
* 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.rpc.cluster;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.extension.Adaptive;
import com.alibaba.dubbo.common.extension.SPI;
import com.alibaba.dubbo.rpc.Invocation;
/**
* RouterFactory. (SPI, Singleton, ThreadSafe)
*
* <a href="http://en.wikipedia.org/wiki/Routing">Routing</a>
*
* @see com.alibaba.dubbo.rpc.cluster.Cluster#join(Directory)
* @see com.alibaba.dubbo.rpc.cluster.Directory#list(Invocation)
* @author chao.liuc
*/
@SPI
public interface RouterFactory {
/**
* Create router.
*
* @param url
* @return router
*/
@Adaptive("protocol")
Router getRouter(URL url);
}