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.mastertoworker;
020
021import org.apache.reef.annotations.Unstable;
022
023/**
024 * A {@link MasterToWorkerRequest} to cancel tasklets.
025 */
026@Unstable
027public final class TaskletCancellationRequest implements MasterToWorkerRequest {
028  private int taskletId;
029
030  /**
031   * No-arg constructor required for Kryo to serialize/deserialize.
032   */
033  TaskletCancellationRequest() {
034  }
035
036  public TaskletCancellationRequest(final int taskletId) {
037    this.taskletId = taskletId;
038  }
039
040  /**
041   * @return the ID of the VortexTasklet associated with this MasterToWorkerRequest.
042   */
043  public int getTaskletId() {
044    return taskletId;
045  }
046
047  @Override
048  public Type getType() {
049    return Type.CancelTasklet;
050  }
051}