hadoop DeletionTaskRecoveryInfo 源码
haddop DeletionTaskRecoveryInfo 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/deletion/recovery/DeletionTaskRecoveryInfo.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.hadoop.yarn.server.nodemanager.containermanager.deletion.recovery;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.deletion.task.DeletionTask;
import java.util.List;
/**
* Encapsulates the recovery info needed to recover a DeletionTask from the NM
* state store.
*/
public class DeletionTaskRecoveryInfo {
private DeletionTask task;
private List<Integer> successorTaskIds;
private long deletionTimestamp;
/**
* Information needed for recovering the DeletionTask.
*
* @param task the DeletionTask
* @param successorTaskIds the dependent DeletionTasks.
* @param deletionTimestamp the scheduled times of deletion.
*/
public DeletionTaskRecoveryInfo(DeletionTask task,
List<Integer> successorTaskIds, long deletionTimestamp) {
this.task = task;
this.successorTaskIds = successorTaskIds;
this.deletionTimestamp = deletionTimestamp;
}
/**
* Return the recovered DeletionTask.
*
* @return the recovered DeletionTask.
*/
public DeletionTask getTask() {
return task;
}
/**
* Return all of the dependent DeletionTasks.
*
* @return the dependent DeletionTasks.
*/
public List<Integer> getSuccessorTaskIds() {
return successorTaskIds;
}
/**
* Return the deletion timestamp.
*
* @return the deletion timestamp.
*/
public long getDeletionTimestamp() {
return deletionTimestamp;
}
}
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