Source code

001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.vortex.protocol.workertomaster;
020
021import org.apache.reef.annotations.Unstable;
022
023import java.util.ArrayList;
024import java.util.Collections;
025import java.util.List;
026
027/**
028 * Report of a tasklet exception on aggregation.
029 */
030@Unstable
031public final class TaskletAggregationFailureReport implements WorkerToMasterReport {
032  private List<Integer> taskletIds;
033  private Exception exception;
034
035  /**
036   * No-arg constructor required for Kryo to serialize/deserialize.
037   */
038  TaskletAggregationFailureReport() {
039  }
040
041  /**
042   * @param taskletIds of the failed tasklet(s).
043   * @param exception that caused the tasklet failure.
044   */
045  public TaskletAggregationFailureReport(final List<Integer> taskletIds, final Exception exception) {
046    this.taskletIds = Collections.unmodifiableList(new ArrayList<>(taskletIds));
047    this.exception = exception;
048  }
049
050  /**
051   * @return the type of this TaskletReport.
052   */
053  @Override
054  public Type getType() {
055    return Type.TaskletAggregationFailure;
056  }
057
058  /**
059   * @return the taskletIds that failed on aggregation.
060   */
061  public List<Integer> getTaskletIds() {
062    return taskletIds;
063  }
064
065  /**
066   * @return the exception that caused the tasklet aggregation failure.
067   */
068  public Exception getException() {
069    return exception;
070  }
071}