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 */ 018 019package org.apache.oozie.jms; 020 021import javax.jms.Message; 022import javax.jms.MessageConsumer; 023import javax.jms.MessageListener; 024import javax.jms.Session; 025 026import org.apache.oozie.util.XLog; 027 028public class MessageReceiver implements MessageListener { 029 030 private static XLog LOG = XLog.getLog(MessageReceiver.class); 031 032 private MessageHandler msgHandler; 033 private Session session; 034 private MessageConsumer consumer; 035 036 public MessageReceiver(MessageHandler handler, Session session, MessageConsumer consumer) { 037 this.msgHandler = handler; 038 this.session = session; 039 this.consumer = consumer; 040 } 041 042 /** 043 * Get the JMS message consumer object for this message receiver 044 * 045 * @return MessageConsumer 046 */ 047 public MessageConsumer getConsumer() { 048 return this.consumer; 049 } 050 051 /** 052 * Get the MessageHandler that will processSettings the message 053 * 054 * @return message handler 055 */ 056 public MessageHandler getMessageHandler() { 057 return msgHandler; 058 } 059 060 /** 061 * Get the JMS session for this message receiver 062 * 063 * @return JMS session 064 */ 065 public Session getSession() { 066 return session; 067 } 068 069 /* 070 * (non-Javadoc) 071 * 072 * @see javax.jms.MessageListener#onMessage(javax.jms.Message) 073 */ 074 @Override 075 public void onMessage(Message msg) { 076 LOG.trace("Received a JMS message "); 077 msgHandler.process(msg); 078 } 079 080}