content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.nacos.client.naming;
  
  import com.alibaba.nacos.api.PropertyKeyConst;
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.naming.NamingMaintainService;
  import com.alibaba.nacos.api.naming.pojo.Instance;
  import com.alibaba.nacos.api.naming.pojo.Service;
  import com.alibaba.nacos.api.selector.AbstractSelector;
  import com.alibaba.nacos.api.selector.ExpressionSelector;
  import com.alibaba.nacos.api.selector.NoneSelector;
  import com.alibaba.nacos.client.env.NacosClientProperties;
  import com.alibaba.nacos.client.naming.core.NamingServerListManager;
  import com.alibaba.nacos.client.naming.remote.http.NamingHttpClientManager;
  import com.alibaba.nacos.client.naming.remote.http.NamingHttpClientProxy;
  import com.alibaba.nacos.client.naming.utils.InitUtils;
  import com.alibaba.nacos.client.security.SecurityProxy;
  import com.alibaba.nacos.client.utils.ValidatorUtils;
  import com.alibaba.nacos.common.executor.NameThreadFactory;
  import com.alibaba.nacos.common.utils.ThreadUtils;
  
  import java.util.Map;
  import java.util.Properties;
  import java.util.concurrent.ScheduledExecutorService;
  import java.util.concurrent.ScheduledThreadPoolExecutor;
  import java.util.concurrent.TimeUnit;
  
  import static com.alibaba.nacos.client.constant.Constants.Security.SECURITY_INFO_REFRESH_INTERVAL_MILLS;
  import static com.alibaba.nacos.client.utils.LogUtils.NAMING_LOGGER;
  
  /**
   * Nacos naming maintain service.
   *
   * @author liaochuntao
   * @since 1.0.1
   * @deprecated Use {@link com.alibaba.nacos.api.naming.maintain.NamingMaintainService} in nacos-maintainer-client article tp replaced.
   */
  @SuppressWarnings("PMD.ServiceOrDaoClassShouldEndWithImplRule")
  @Deprecated
  public class NacosNamingMaintainService implements NamingMaintainService {
      
      private String namespace;
      
      private NamingHttpClientProxy serverProxy;
      
      private NamingServerListManager serverListManager;
      
      private SecurityProxy securityProxy;
      
      private ScheduledExecutorService executorService;
      
      public NacosNamingMaintainService(String serverList) throws NacosException {
          Properties properties = new Properties();
          properties.setProperty(PropertyKeyConst.SERVER_ADDR, serverList);
          init(properties);
      }
      
      public NacosNamingMaintainService(Properties properties) throws NacosException {
          init(properties);
      }
      
      private void init(Properties properties) throws NacosException {
          final NacosClientProperties nacosClientProperties = NacosClientProperties.PROTOTYPE.derive(properties);
          ValidatorUtils.checkInitParam(nacosClientProperties);
          namespace = InitUtils.initNamespaceForNaming(nacosClientProperties);
          InitUtils.initSerialization();
          InitUtils.initWebRootContext(nacosClientProperties);
          serverListManager = new NamingServerListManager(nacosClientProperties, namespace);
          serverListManager.start();
          securityProxy = new SecurityProxy(serverListManager,
                  NamingHttpClientManager.getInstance().getNacosRestTemplate());
          initSecurityProxy(properties);
          serverProxy = new NamingHttpClientProxy(namespace, securityProxy, serverListManager, nacosClientProperties);
      }
      
      private void initSecurityProxy(Properties properties) {
          this.executorService = new ScheduledThreadPoolExecutor(1,
                  new NameThreadFactory("com.alibaba.nacos.client.naming.maintainService.security"));
          this.securityProxy.login(properties);
          this.executorService
                  .scheduleWithFixedDelay(() -> securityProxy.login(properties), 0, SECURITY_INFO_REFRESH_INTERVAL_MILLS,
                          TimeUnit.MILLISECONDS);
          
      }
      
      @Override
      public void updateInstance(String serviceName, Instance instance) throws NacosException {
          updateInstance(serviceName, Constants.DEFAULT_GROUP, instance);
      }
      
      @Override
      public void updateInstance(String serviceName, String groupName, Instance instance) throws NacosException {
          serverProxy.updateInstance(serviceName, groupName, instance);
      }
      
      @Override
      public Service queryService(String serviceName) throws NacosException {
          return queryService(serviceName, Constants.DEFAULT_GROUP);
      }
      
      @Override
      public Service queryService(String serviceName, String groupName) throws NacosException {
          return serverProxy.queryService(serviceName, groupName);
      }
      
      @Override
      public void createService(String serviceName) throws NacosException {
          createService(serviceName, Constants.DEFAULT_GROUP);
      }
      
      @Override
      public void createService(String serviceName, String groupName) throws NacosException {
          createService(serviceName, groupName, Constants.DEFAULT_PROTECT_THRESHOLD);
      }
      
      @Override
      public void createService(String serviceName, String groupName, float protectThreshold) throws NacosException {
          Service service = new Service();
          service.setName(serviceName);
          service.setGroupName(groupName);
          service.setProtectThreshold(protectThreshold);
          
          createService(service, new NoneSelector());
      }
      
      @Override
      public void createService(String serviceName, String groupName, float protectThreshold, String expression)
              throws NacosException {
          Service service = new Service();
          service.setName(serviceName);
          service.setGroupName(groupName);
          service.setProtectThreshold(protectThreshold);
          
          ExpressionSelector selector = new ExpressionSelector();
          selector.setExpression(expression);
          
          createService(service, selector);
      }
      
      @Override
      public void createService(Service service, AbstractSelector selector) throws NacosException {
          serverProxy.createService(service, selector);
      }
      
      @Override
      public boolean deleteService(String serviceName) throws NacosException {
          return deleteService(serviceName, Constants.DEFAULT_GROUP);
      }
      
      @Override
      public boolean deleteService(String serviceName, String groupName) throws NacosException {
          return serverProxy.deleteService(serviceName, groupName);
      }
      
      @Override
      public void updateService(String serviceName, String groupName, float protectThreshold) throws NacosException {
          Service service = new Service();
          service.setName(serviceName);
          service.setGroupName(groupName);
          service.setProtectThreshold(protectThreshold);
          
          updateService(service, new NoneSelector());
      }
      
      @Override
      public void updateService(String serviceName, String groupName, float protectThreshold,
              Map<String, String> metadata) throws NacosException {
          Service service = new Service();
          service.setName(serviceName);
          service.setGroupName(groupName);
          service.setProtectThreshold(protectThreshold);
          service.setMetadata(metadata);
          
          updateService(service, new NoneSelector());
      }
      
      @Override
      public void updateService(Service service, AbstractSelector selector) throws NacosException {
          serverProxy.updateService(service, selector);
      }
      
      @Override
      public void shutDown() throws NacosException {
          String className = this.getClass().getName();
          NAMING_LOGGER.info("{} do shutdown begin", className);
          serverListManager.shutdown();
          serverProxy.shutdown();
          ThreadUtils.shutdownThreadPool(executorService, NAMING_LOGGER);
          NAMING_LOGGER.info("{} do shutdown stop", className);
      }
  }
  