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.runtime.common.driver.context;
020
021import org.apache.reef.annotations.audience.DriverSide;
022import org.apache.reef.annotations.audience.Private;
023import org.apache.reef.driver.context.ContextMessage;
024
025/**
026 * Driver-side representation of a context message.
027 */
028@Private
029@DriverSide
030public final class ContextMessageImpl implements ContextMessage {
031
032  private final byte[] theMessage;
033  private final String theContextID;
034  private final String theMessageSourceId;
035  private final long sequenceNumber;
036
037  public ContextMessageImpl(final byte[] theMessage, final String theContextID, final String theMessageSourceId,
038                            final long sequenceNumber) {
039    this.theMessage = theMessage;
040    this.theContextID = theContextID;
041    this.theMessageSourceId = theMessageSourceId;
042    this.sequenceNumber = sequenceNumber;
043  }
044
045  @Override
046  public byte[] get() {
047    return this.theMessage;
048  }
049
050  @Override
051  public String getId() {
052    return this.theContextID;
053  }
054
055  @Override
056  public String getMessageSourceID() {
057    return this.theMessageSourceId;
058  }
059
060  @Override
061  public long getSequenceNumber() {
062    return this.sequenceNumber;
063  }
064}