Examples of org.apache.tez.dag.app.dag.Task.canCommit()

org.apache.tez.dag.app.dag.Task.canCommit()
Can the output of the taskAttempt be committed. Note that once the task gives a go for a commit, further canCommit requests from any other attempts should return false. @param taskAttemptID @return whether the attempt's output can be committed or not.


    DAG job = context.getCurrentDAG();
    Task task =
        job.getVertex(taskAttemptId.getTaskID().getVertexID()).
            getTask(taskAttemptId.getTaskID());
    return task.canCommit(taskAttemptId);
  }


  @Override
  public void unregisterTaskAttempt(TezTaskAttemptID attemptId) {
    ContainerId containerId = attemptToInfoMap.get(attemptId);

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    DAG job = context.getCurrentDAG();
    Task task =
        job.getVertex(taskAttemptId.getTaskID().getVertexID()).
            getTask(taskAttemptId.getTaskID());
    return task.canCommit(taskAttemptId);
  }


  @Override
  public void unregisterTaskAttempt(TezTaskAttemptID attemptId) {
    ContainerId containerId = attemptToInfoMap.get(attemptId);

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    DAG job = context.getCurrentDAG();
    Task task =
        job.getVertex(taskAttemptId.getTaskID().getVertexID()).
            getTask(taskAttemptId.getTaskID());
    return task.canCommit(taskAttemptId);
  }


  @Override
  public ProceedToCompletionResponse
      proceedToCompletion(TezTaskAttemptID taskAttemptId) throws IOException {

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    DAG job = context.getCurrentDAG();
    Task task =
        job.getVertex(taskAttemptId.getTaskID().getVertexID()).
            getTask(taskAttemptId.getTaskID());
    return task.canCommit(taskAttemptId);
  }


  @Override
  public void unregisterTaskAttempt(TezTaskAttemptID attemptId) {
    ContainerId containerId = attemptToInfoMap.get(attemptId);

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