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 ContextMessageProto. 029 */ 030@DriverSide 031@Private 032public final class ContextMessagePOJO implements Numberable { 033 034 private final byte[] message; 035 private final String sourceId; 036 private final long sequenceNumber; 037 038 039 ContextMessagePOJO(final ReefServiceProtos.ContextStatusProto.ContextMessageProto proto, final long sequenceNumber){ 040 message = proto.getMessage().toByteArray(); 041 sourceId = proto.getSourceId(); 042 this.sequenceNumber = sequenceNumber; 043 } 044 045 /** 046 * @return the serialized message from a context. 047 */ 048 public byte[] getMessage(){ 049 return message; 050 } 051 052 /** 053 * @return the ID of the ContextMessageSource that sent the message. 054 */ 055 public String getSourceId(){ 056 return sourceId; 057 } 058 059 /** 060 * @return the sequence number of a message 061 * 062 * {@see ContextMessage#getSequenceNumber()} 063 */ 064 @Override 065 public long getSequenceNumber(){ 066 return this.sequenceNumber; 067 } 068}