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.config.server.model.event;
  
  import com.alibaba.nacos.common.notify.Event;
  
  /**
   * ConfigDataChangeEvent.
   *
   * @author Nacos
   */
  public class ConfigDataChangeEvent extends Event {
      
      public String dataId;
      
      public String group;
      
      public String tenant;
      
      public String grayName;
      
      public final long lastModifiedTs;
      
      public ConfigDataChangeEvent(String dataId, String group, String tenant, long gmtModified) {
          if (null == dataId || null == group) {
              throw new IllegalArgumentException("dataId is null or group is null");
          }
          this.dataId = dataId;
          this.group = group;
          this.tenant = tenant;
          this.lastModifiedTs = gmtModified;
      }
      
      public ConfigDataChangeEvent(String dataId, String group, String tenant, String grayName, long gmtModified) {
          this(dataId, group, tenant, gmtModified);
          this.grayName = grayName;
      }
      
  }
  