| /*
|
| * 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 java.util.List; |
| |
| import com.alibaba.dubbo.rpc.Invoker; |
| import com.alibaba.dubbo.rpc.Invocation; |
| import com.alibaba.dubbo.rpc.RpcException; |
| |
| /** |
| * Router. (SPI, Prototype, 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 |
| */ |
| public interface Router { |
| |
| /** |
| * route. |
| * |
| * @param invokers |
| * @param invocation |
| * @return routed invokers |
| * @throws RpcException |
| */ |
| <T> List<Invoker<T>> route(List<Invoker<T>> invokers, Invocation invocation) throws RpcException; |
| |
| } |
