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

import org.apache.tez.dag.records.TaskAttemptTerminationCause;
import org.apache.tez.dag.records.TezTaskAttemptID;
import org.apache.tez.runtime.api.TaskFailureType;

public class TaskAttemptEventAttemptFailed extends TaskAttemptEvent 
  implements DiagnosableEvent, TaskAttemptEventTerminationCauseEvent, RecoveryEvent {

  private final String diagnostics;
  private final TaskAttemptTerminationCause errorCause;
  private final TaskFailureType taskFailureType;
  private final boolean isFromRecovery;

  /* Accepted Types - FAILED, TIMED_OUT */
  public TaskAttemptEventAttemptFailed(TezTaskAttemptID id,
                                       TaskAttemptEventType type, TaskFailureType taskFailureType,
                                       String diagnostics,
                                       TaskAttemptTerminationCause errorCause) {
    this(id, type, taskFailureType, diagnostics, errorCause, false);
  }

  /* Accepted Types - FAILED, TIMED_OUT */
  public TaskAttemptEventAttemptFailed(TezTaskAttemptID id,
                                       TaskAttemptEventType type, TaskFailureType taskFailureType, String diagnostics, TaskAttemptTerminationCause errorCause,
                                       boolean isFromRecovery) {
    super(id, type);
    Objects.requireNonNull(taskFailureType, "FailureType must be set for a FAILED task attempt");
    this.diagnostics = diagnostics;
    this.errorCause = errorCause;
    this.taskFailureType = taskFailureType;
    this.isFromRecovery = isFromRecovery;
  }

  @Override
  public String getDiagnosticInfo() {
    return diagnostics;
  }
  
  @Override
  public TaskAttemptTerminationCause getTerminationCause() {
    return errorCause;
  }

  @Override
  public boolean isFromRecovery() {
    return isFromRecovery;
  }

  public TaskFailureType getTaskFailureType() {
    return taskFailureType;
  }
}