AlbumenJ commented on code in PR #138: URL: https://github.com/apache/dubbo-spi-extensions/pull/138#discussion_r971581912
########## dubbo-registry-extensions/dubbo-registry-nameservice/src/main/java/org/apache/dubbo/registry/nameservice/NameServiceRegistry.java: ########## @@ -0,0 +1,233 @@ +/* + * 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.registry.nameservice; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Objects; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.ThreadFactory; +import java.util.concurrent.TimeUnit; + +import org.apache.dubbo.common.URL; +import org.apache.dubbo.common.constants.CommonConstants; +import org.apache.dubbo.common.constants.RegistryConstants; +import org.apache.dubbo.common.logger.Logger; +import org.apache.dubbo.common.logger.LoggerFactory; +import org.apache.dubbo.registry.NotifyListener; +import org.apache.dubbo.registry.support.FailbackRegistry; + +import org.apache.rocketmq.client.exception.MQBrokerException; +import org.apache.rocketmq.client.exception.MQClientException; +import org.apache.rocketmq.common.TopicConfig; +import org.apache.rocketmq.common.constant.PermName; +import org.apache.rocketmq.common.protocol.body.ClusterInfo; +import org.apache.rocketmq.common.protocol.body.GroupList; +import org.apache.rocketmq.common.protocol.body.TopicList; +import org.apache.rocketmq.common.protocol.route.BrokerData; +import org.apache.rocketmq.common.protocol.route.QueueData; +import org.apache.rocketmq.common.protocol.route.TopicRouteData; +import org.apache.rocketmq.remoting.exception.RemotingException; +import org.apache.rocketmq.tools.admin.DefaultMQAdminExt; +import org.apache.rocketmq.tools.admin.DefaultMQAdminExtImpl; +import org.apache.rocketmq.tools.admin.MQAdminExt; + +public class NameServiceRegistry extends FailbackRegistry { + + private final Logger logger = LoggerFactory.getLogger(getClass()); + + private ScheduledExecutorService scheduledExecutorService; + + private Map<URL, RegistryInfoWrapper> consumerRegistryInfoWrapperMap = new ConcurrentHashMap<>(); + + private MQAdminExt mqAdminExt; + + private boolean isNotRoute = true; + + private ClusterInfo clusterInfo; + + private TopicList topicList; + + private long timeoutMillis; + + private String instanceName; + + public NameServiceRegistry(URL url) { + super(url); + this.isNotRoute = !url.getParameter("route", false); + if (this.isNotRoute) { + return; + } + this.timeoutMillis = url.getParameter("timeoutMillis", 3000); + this.instanceName = url.getParameter("instanceName", "nameservic-registry"); + DefaultMQAdminExt clientConfig = new DefaultMQAdminExt(); + clientConfig.setNamesrvAddr(url.getAddress()); + clientConfig.setInstanceName(instanceName); + mqAdminExt = new DefaultMQAdminExtImpl(clientConfig, this.timeoutMillis); + try { + mqAdminExt.start(); + this.initBeasInfo(); + } catch (Exception e) { + throw new RuntimeException(e); + } + this.scheduledExecutorService = Executors.newSingleThreadScheduledExecutor(new ThreadFactory() { + @Override + public Thread newThread(Runnable r) { + return new Thread(r, "dubbo-registry-nameservice"); + } + }); + scheduledExecutorService.scheduleAtFixedRate(new Runnable() { + @Override + public void run() { + try { + NameServiceRegistry.this.initBeasInfo(); + + if (consumerRegistryInfoWrapperMap.isEmpty()) { + return; + } + for (Entry<URL, RegistryInfoWrapper> e : consumerRegistryInfoWrapperMap.entrySet()) { + List<URL> urls = new ArrayList<URL>(); + NameServiceRegistry.this.pullRoute(e.getValue().serviceName, e.getKey(), urls); + e.getValue().listener.notify(urls); + } + } catch (Exception e) { + logger.error("ScheduledTask pullRoute exception", e); + } + } + }, 1000 * 10, 3000 * 10, TimeUnit.MILLISECONDS); + } + + private void initBeasInfo() throws Exception { + this.clusterInfo = this.mqAdminExt.examineBrokerClusterInfo(); + this.topicList = this.mqAdminExt.fetchAllTopicList(); + } + + private URL createProviderURL(ServiceName serviceName, URL url, int queue) { + Map<String, String> parameters = url.getParameters(); Review Comment: how about `url.addParameters(Map<String, String>)` -- This is an automated message from the Apache Git Service. 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