content: /*
   * Copyright 1999-2020 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.config.server.remote;
  
  import com.alibaba.nacos.config.server.service.ConfigFuzzyWatchContextService;
  import com.alibaba.nacos.core.remote.ClientConnectionEventListener;
  import com.alibaba.nacos.core.remote.Connection;
  import com.alibaba.nacos.core.utils.Loggers;
  import org.springframework.stereotype.Component;
  
  /**
   * ConfigConnectionEventListener.
   *
   * @author liuzunfei
   * @version $Id: ConfigConnectionEventListener.java, v 0.1 2020年07月20日 2:27 PM liuzunfei Exp $
   */
  @Component
  public class ConfigConnectionEventListener extends ClientConnectionEventListener {
      
      final ConfigChangeListenContext configChangeListenContext;
      
      final ConfigFuzzyWatchContextService configFuzzyWatchContextService;
      
      public ConfigConnectionEventListener(ConfigChangeListenContext configChangeListenContext,
              ConfigFuzzyWatchContextService configFuzzyWatchContextService) {
          this.configChangeListenContext = configChangeListenContext;
          this.configFuzzyWatchContextService = configFuzzyWatchContextService;
      }
      
      @Override
      public void clientConnected(Connection connect) {
          //Do nothing.
      }
      
      @Override
      public void clientDisConnected(Connection connect) {
          String connectionId = connect.getMetaInfo().getConnectionId();
          Loggers.REMOTE_DIGEST.info("[{}]client disconnected,clear config listen context", connectionId);
          configChangeListenContext.clearContextForConnectionId(connectionId);
          configFuzzyWatchContextService.clearFuzzyWatchContext(connectionId);
      }
      
  }
  