001 /* 002 The contents of this file are subject to the Mozilla Public License Version 1.1 003 (the "License"); you may not use this file except in compliance with the License. 004 You may obtain a copy of the License at http://www.mozilla.org/MPL/ 005 Software distributed under the License is distributed on an "AS IS" basis, 006 WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the 007 specific language governing rights and limitations under the License. 008 009 The Original Code is "JMSQueueAdapter.java". Description: 010 "An implementation of JMSDestination that uses an underlying Queue." 011 012 The Initial Developer of the Original Code is University Health Network. Copyright (C) 013 2004. All Rights Reserved. 014 015 Contributor(s): ______________________________________. 016 017 Alternatively, the contents of this file may be used under the terms of the 018 GNU General Public License (the ?GPL?), in which case the provisions of the GPL are 019 applicable instead of those above. If you wish to allow use of your version of this 020 file only under the terms of the GPL and not to allow others to use your version 021 of this file under the MPL, indicate your decision by deleting the provisions above 022 and replace them with the notice and other provisions required by the GPL License. 023 If you do not delete the provisions above, a recipient may use your version of 024 this file under either the MPL or the GPL. 025 */ 026 027 package ca.uhn.hl7v2.protocol.impl; 028 029 import javax.jms.Connection; 030 import javax.jms.JMSException; 031 import javax.jms.Message; 032 import javax.jms.Queue; 033 import javax.jms.QueueConnection; 034 import javax.jms.QueueReceiver; 035 import javax.jms.QueueSender; 036 import javax.jms.QueueSession; 037 import javax.jms.Session; 038 import javax.jms.TextMessage; 039 040 import ca.uhn.hl7v2.protocol.JMSDestination; 041 042 /** 043 * An implementation of <code>JMSDestination</code> that uses an underlying 044 * Queue. 045 * 046 * @author <a href="mailto:bryan.tripp@uhn.on.ca">Bryan Tripp</a> 047 * @version $Revision: 1.1 $ updated on $Date: 2007/02/19 02:24:26 $ by $Author: jamesagnew $ 048 */ 049 public class JMSQueueAdapter implements JMSDestination { 050 051 private QueueSession mySendingSession; 052 private QueueSession myReceivingSession; 053 private QueueSender mySender; 054 private QueueReceiver myReceiver; 055 private QueueConnection myConnection; 056 private Queue myQueue; 057 private boolean myIsConnected; 058 059 /** 060 * @param theConnection 061 * @param theDestination 062 */ 063 public JMSQueueAdapter(QueueConnection theConnection, Queue theDestination) { 064 myConnection = theConnection; 065 myQueue = theDestination; 066 } 067 068 /** 069 * @see ca.uhn.hl7v2.protocol.JMSDestination#getName() 070 */ 071 public String getName() throws JMSException { 072 return myQueue.getQueueName(); 073 } 074 075 /** 076 * @see ca.uhn.hl7v2.protocol.JMSDestination#createMessage() 077 */ 078 public TextMessage createMessage() throws JMSException { 079 return mySendingSession.createTextMessage(); 080 } 081 082 /** 083 * @see ca.uhn.hl7v2.protocol.JMSDestination#connect() 084 */ 085 public void connect() throws JMSException { 086 boolean transacted = false; 087 int ackMode = Session.AUTO_ACKNOWLEDGE; 088 089 disconnect(); 090 091 mySendingSession = myConnection.createQueueSession(transacted, ackMode); 092 mySender = mySendingSession.createSender(myQueue); 093 094 myReceivingSession = myConnection.createQueueSession(transacted, ackMode); 095 myReceiver = myReceivingSession.createReceiver(myQueue); 096 097 myIsConnected = true; 098 } 099 100 /** 101 * @see ca.uhn.hl7v2.protocol.JMSDestination#disconnect() 102 */ 103 public void disconnect() throws JMSException { 104 myIsConnected = false; 105 if (mySendingSession != null) { 106 mySendingSession.close(); 107 } 108 if (myReceivingSession != null) { 109 myReceivingSession.close(); 110 } 111 } 112 113 /** 114 * @see ca.uhn.hl7v2.protocol.JMSDestination#send(javax.jms.Message) 115 */ 116 public void send(Message theMessage) throws JMSException { 117 mySender.send(theMessage); 118 } 119 120 /** 121 * @see ca.uhn.hl7v2.protocol.JMSDestination#receive() 122 */ 123 public Message receive() throws JMSException { 124 return myReceiver.receive(); 125 } 126 127 /** 128 * @see ca.uhn.hl7v2.protocol.JMSDestination#isConnected() 129 */ 130 public boolean isConnected() { 131 return myIsConnected; 132 } 133 134 /** 135 * @see ca.uhn.hl7v2.protocol.JMSDestination#getConnection() 136 */ 137 public Connection getConnection() { 138 return myConnection; 139 } 140 141 }