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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.oozie.jms;
019
020import javax.jms.Message;
021import javax.jms.MessageConsumer;
022import javax.jms.MessageListener;
023import javax.jms.Session;
024
025import org.apache.oozie.util.XLog;
026
027public class MessageReceiver implements MessageListener {
028
029    private static XLog LOG = XLog.getLog(MessageReceiver.class);
030
031    private MessageHandler msgHandler;
032    private Session session;
033    private MessageConsumer consumer;
034
035    public MessageReceiver(MessageHandler handler, Session session, MessageConsumer consumer) {
036        this.msgHandler = handler;
037        this.session = session;
038        this.consumer = consumer;
039    }
040
041    /**
042     * Get the JMS message consumer object for this message receiver
043     *
044     * @return MessageConsumer
045     */
046    public MessageConsumer getConsumer() {
047        return this.consumer;
048    }
049
050    /**
051     * Get the MessageHandler that will process the message
052     *
053     * @return message handler
054     */
055    public MessageHandler getMessageHandler() {
056        return msgHandler;
057    }
058
059    /**
060     * Get the JMS session for this message receiver
061     *
062     * @return JMS session
063     */
064    public Session getSession() {
065        return session;
066    }
067
068    /*
069     * (non-Javadoc)
070     *
071     * @see javax.jms.MessageListener#onMessage(javax.jms.Message)
072     */
073    @Override
074    public void onMessage(Message msg) {
075        LOG.trace("Received a JMS message ");
076        msgHandler.process(msg);
077    }
078
079}