| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.dubbo.rpc.cluster; |
| |
| import org.apache.dubbo.common.URL; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| /** |
| * If you want to provide a router implementation based on design of v2.7.0, please extend from this abstract class. |
| * For 2.6.x style router, please implement and use RouterFactory directly. |
| */ |
| public abstract class CacheableRouterFactory implements RouterFactory { |
| private ConcurrentMap<String, Router> routerMap = new ConcurrentHashMap<>(); |
| |
| @Override |
| public Router getRouter(URL url) { |
| return routerMap.computeIfAbsent(url.getServiceKey(), k -> createRouter(url)); |
| } |
| |
| protected abstract Router createRouter(URL url); |
| } |