001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.activemq.tool; 018 019 import javax.jms.Connection; 020 import javax.jms.ConnectionFactory; 021 import javax.jms.Destination; 022 import javax.jms.JMSException; 023 import javax.jms.Message; 024 import javax.jms.MessageConsumer; 025 import javax.jms.MessageListener; 026 import javax.jms.Session; 027 import javax.jms.Topic; 028 029 /** 030 * @version $Revision: 1.3 $ 031 */ 032 public class MemConsumer extends MemMessageIdList implements MessageListener { 033 034 static long ctr; 035 036 protected Connection connection; 037 protected MessageConsumer consumer; 038 protected long counter; 039 protected boolean isParent; 040 protected boolean inOrder = true; 041 042 043 public MemConsumer() { 044 super(); 045 } 046 047 public MemConsumer(ConnectionFactory fac, Destination dest, String consumerName) throws JMSException { 048 connection = fac.createConnection(); 049 Session s = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); 050 if (dest instanceof Topic && consumerName != null && consumerName.length() > 0) { 051 consumer = s.createDurableSubscriber((Topic) dest, consumerName); 052 } else { 053 consumer = s.createConsumer(dest); 054 } 055 consumer.setMessageListener(this); 056 } 057 058 public MemConsumer(ConnectionFactory fac, Destination dest) throws JMSException { 059 this(fac, dest, null); 060 } 061 062 public void start() throws JMSException { 063 connection.start(); 064 } 065 066 public void stop() throws JMSException { 067 connection.stop(); 068 } 069 070 public void shutDown() throws JMSException { 071 connection.close(); 072 } 073 074 075 public Message receive() throws JMSException { 076 return consumer.receive(); 077 } 078 079 public Message receive(long wait) throws JMSException { 080 return consumer.receive(wait); 081 } 082 083 public void onMessage(Message msg) { 084 super.onMessage(msg); 085 086 if (isParent) { 087 try { 088 long ctr = msg.getLongProperty("counter"); 089 if (counter != ctr) { 090 inOrder = false; 091 } 092 counter++; 093 094 } catch (Exception e) { 095 e.printStackTrace(); 096 } 097 } 098 } 099 100 101 public boolean isInOrder() { 102 return inOrder; 103 } 104 105 106 public void setAsParent(boolean isParent) { 107 this.isParent = isParent; 108 } 109 110 public boolean isParent() { 111 return this.isParent; 112 } 113 114 115 }