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.config.listener.impl;
  
  import com.alibaba.nacos.api.config.ConfigChangeEvent;
  import com.alibaba.nacos.api.config.listener.AbstractListener;
  
  /**
   * AbstractConfigChangeListener.
   *
   * @author rushsky518
   */
  public abstract class AbstractConfigChangeListener extends AbstractListener {
      
      /**
       * handle config change.
       *
       * @param event config change event
       */
      public abstract void receiveConfigChange(final ConfigChangeEvent event);
      
      @Override
      public void receiveConfigInfo(final String configInfo) {
      }
  }
  
  