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.core.distributed.distro.task.delay;
  
  import com.alibaba.nacos.common.task.AbstractDelayTask;
  import com.alibaba.nacos.consistency.DataOperation;
  import com.alibaba.nacos.core.distributed.distro.entity.DistroKey;
  
  /**
   * Distro delay task.
   *
   * @author xiweng.yy
   */
  public class DistroDelayTask extends AbstractDelayTask {
      
      private final DistroKey distroKey;
      
      private DataOperation action;
      
      private long createTime;
      
      public DistroDelayTask(DistroKey distroKey, long delayTime) {
          this(distroKey, DataOperation.CHANGE, delayTime);
      }
      
      public DistroDelayTask(DistroKey distroKey, DataOperation action, long delayTime) {
          this.distroKey = distroKey;
          this.action = action;
          this.createTime = System.currentTimeMillis();
          setLastProcessTime(createTime);
          setTaskInterval(delayTime);
      }
      
      public DistroKey getDistroKey() {
          return distroKey;
      }
      
      public DataOperation getAction() {
          return action;
      }
      
      public long getCreateTime() {
          return createTime;
      }
      
      @Override
      public void merge(AbstractDelayTask task) {
          if (!(task instanceof DistroDelayTask)) {
              return;
          }
          DistroDelayTask oldTask = (DistroDelayTask) task;
          if (!action.equals(oldTask.getAction()) && createTime < oldTask.getCreateTime()) {
              action = oldTask.getAction();
              createTime = oldTask.getCreateTime();
          }
          setLastProcessTime(oldTask.getLastProcessTime());
      }
  }
  