hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/event/TaskAttemptStatusUpdateEvent.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.mapreduce.v2.app.job.event;

import java.util.List;
import java.util.concurrent.atomic.AtomicReference;

import org.apache.hadoop.mapreduce.Counters;
import org.apache.hadoop.mapreduce.v2.api.records.Phase;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState;

public class TaskAttemptStatusUpdateEvent extends TaskAttemptEvent {
  private AtomicReference<TaskAttemptStatus> taskAttemptStatusRef;

  public TaskAttemptStatusUpdateEvent(TaskAttemptId id,
      AtomicReference<TaskAttemptStatus> taskAttemptStatusRef) {
    super(id, TaskAttemptEventType.TA_UPDATE);
    this.taskAttemptStatusRef = taskAttemptStatusRef;
  }

  public AtomicReference<TaskAttemptStatus> getTaskAttemptStatusRef() {
    return taskAttemptStatusRef;
  }

  /**
   * The internal TaskAttemptStatus object corresponding to remote Task status.
   * 
   */
  public static class TaskAttemptStatus {
    public TaskAttemptId id;
    public float progress;
    public Counters counters;
    public String stateString;
    public Phase phase;
    public List<TaskAttemptId> fetchFailedMaps;
    public long mapFinishTime;
    public long shuffleFinishTime;
    public long sortFinishTime;
    public TaskAttemptState taskState;
  }
}