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.naming.core.v2.metadata;
  
  import com.alibaba.nacos.naming.core.v2.pojo.Service;
  
  import java.util.Date;
  import java.util.Objects;
  
  /**
   * Expired metadata information.
   * <p>
   * When an original object like service or instance be remove, the metadata need to be removed.
   * </p>
   *
   * @author xiweng.yy
   */
  public class ExpiredMetadataInfo {
      
      private final Service service;
      
      private final String metadataId;
      
      private final long createTime;
      
      private ExpiredMetadataInfo(Service service, String metadataId) {
          this.service = service;
          this.metadataId = metadataId;
          this.createTime = System.currentTimeMillis();
      }
      
      public static ExpiredMetadataInfo newExpiredServiceMetadata(Service service) {
          return new ExpiredMetadataInfo(service, null);
      }
      
      public static ExpiredMetadataInfo newExpiredInstanceMetadata(Service service, String metadataId) {
          return new ExpiredMetadataInfo(service, metadataId);
      }
      
      public Service getService() {
          return service;
      }
      
      public String getMetadataId() {
          return metadataId;
      }
      
      public long getCreateTime() {
          return createTime;
      }
      
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (!(o instanceof ExpiredMetadataInfo)) {
              return false;
          }
          ExpiredMetadataInfo that = (ExpiredMetadataInfo) o;
          return Objects.equals(service, that.service) && Objects.equals(metadataId, that.metadataId);
      }
      
      @Override
      public int hashCode() {
          return Objects.hash(service, metadataId);
      }
      
      @Override
      public String toString() {
          return "ExpiredMetadataInfo{" + "service=" + service + ", metadataId='" + metadataId + '\'' + ", createTime="
                  + new Date(createTime) + '}';
      }
  }
  