tez-dag/src/main/java/org/apache/tez/dag/app/dag/event/TaskAttemptEventStatusUpdate.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.tez.dag.app.dag.event;

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

import org.apache.tez.common.counters.DAGCounter;
import org.apache.tez.common.counters.TezCounters;
import org.apache.tez.dag.api.oldrecords.TaskAttemptState;
import org.apache.tez.dag.records.TezTaskAttemptID;
import org.apache.tez.runtime.api.events.TaskStatusUpdateEvent;

public class TaskAttemptEventStatusUpdate extends TaskAttemptEvent {
  
  private TaskStatusUpdateEvent taskAttemptStatus;
  
  public TaskAttemptEventStatusUpdate(TezTaskAttemptID id,
      TaskStatusUpdateEvent statusEvent) {
    super(id, TaskAttemptEventType.TA_STATUS_UPDATE);
    this.taskAttemptStatus = statusEvent;
  }
  
  public TaskStatusUpdateEvent getStatusEvent() {
    return this.taskAttemptStatus;
  }

  private TaskAttemptStatusOld reportedTaskAttemptStatus;

  public TaskAttemptEventStatusUpdate(TezTaskAttemptID id,
      TaskAttemptStatusOld taskAttemptStatus) {
    super(id, TaskAttemptEventType.TA_STATUS_UPDATE);
    this.reportedTaskAttemptStatus = taskAttemptStatus;
  }

  public TaskAttemptStatusOld getReportedTaskAttemptStatus() {
    return reportedTaskAttemptStatus;
  }

  /**
   * The internal TaskAttemptStatus object corresponding to remote Task status.
   * 
   */
  public static class TaskAttemptStatusOld {
    
    private AtomicBoolean localitySet = new AtomicBoolean(false);

    public TezTaskAttemptID id;
    public float progress;
    public TezCounters counters;
    public String stateString;
    //public Phase phase;
    public long outputSize;
    public List<TezTaskAttemptID> fetchFailedMaps;
    public long mapFinishTime;
    public long shuffleFinishTime;
    public long sortFinishTime;
    public TaskAttemptState taskState;

    public void setLocalityCounter(DAGCounter localityCounter) {
      if (!localitySet.get()) {
        localitySet.set(true);
        if (counters == null) {
          counters = new TezCounters();
        }
        if (localityCounter != null) {
          counters.findCounter(localityCounter).increment(1);
          // TODO Maybe validate that the correct value is being set.
        }
      }
    }

  }
}