| /* |
| * 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.samples.multi.registry; |
| |
| import org.apache.dubbo.common.URL; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.retry.ExponentialBackoffRetry; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| public class ZKTools { |
| private static String zookeeperHost = System.getProperty("zookeeper.address", "127.0.0.1"); |
| private static Map<Integer, CuratorFramework> clients = new HashMap<>(); |
| |
| private static CuratorFramework initClient(int port) { |
| if (!clients.containsKey(port)) { |
| CuratorFramework client = CuratorFrameworkFactory.newClient(zookeeperHost + ":" + port, 60 * 1000, 60 * 1000, |
| new ExponentialBackoffRetry(1000, 3)); |
| client.start(); |
| clients.put(port, client); |
| } |
| return clients.get(port); |
| } |
| |
| public static List<String> getProviders(Class clazz, int port) throws Exception { |
| CuratorFramework client = initClient(port); |
| String path = "/dubbo/" + clazz.getName() + "/providers"; |
| List<String> result = client.getChildren().forPath(path); |
| return result.stream().map(URL::decode).collect(Collectors.toList()); |
| } |
| |
| } |