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}