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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 */
019
020package org.apache.reef.runtime.common.driver.evaluator.pojos;
021
022import org.apache.reef.annotations.audience.DriverSide;
023import org.apache.reef.annotations.audience.Private;
024import org.apache.reef.io.Numberable;
025import org.apache.reef.proto.ReefServiceProtos;
026
027/**
028 *  DriverSide representation of TaskMessageProto.
029 */
030@DriverSide
031@Private
032public final class TaskMessagePOJO implements Numberable {
033
034  private final byte[] message;
035  private final String sourceId;
036  private final long sequenceNumber;
037
038  TaskMessagePOJO(final ReefServiceProtos.TaskStatusProto.TaskMessageProto proto, final long sequenceNumber) {
039    message = proto.getMessage().toByteArray();
040    sourceId = proto.getSourceId();
041    this.sequenceNumber = sequenceNumber;
042  }
043
044  /**
045   * @return the serialized message from a task
046   */
047  public byte[] getMessage() {
048    return message;
049  }
050
051  /**
052   * @return the ID of the TaskMessageSource that sent the message.
053   */
054  public String getSourceId(){
055    return sourceId;
056  }
057
058  /**
059   * @return the sequence number of a message
060   *
061   * {@see TaskMessage#getSequenceNumber()}
062   */
063  @Override
064  public long getSequenceNumber(){
065    return this.sequenceNumber;
066  }
067
068}