/* * 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); }