1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2000-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: JmsTemporaryQueue.java,v 1.2 2005/12/20 20:36:43 tanderson Exp $
44 */
45 package org.exolab.jms.client;
46
47 import java.io.IOException;
48 import java.io.ObjectInput;
49 import java.io.ObjectOutput;
50
51 import javax.jms.JMSException;
52 import javax.jms.TemporaryQueue;
53 import javax.jms.TemporaryTopic;
54 import javax.naming.Reference;
55
56 import org.exolab.jms.common.uuid.UUID;
57
58
59 /***
60 * A temporary queue is created by a client through a session and has
61 * a lifetime of the session's connection.
62 *
63 * @version $Revision: 1.2 $ $Date: 2005/12/20 20:36:43 $
64 * @author <a href="mailto:jima@exoffice.com">Jim Alateras</a>
65 */
66 public class JmsTemporaryQueue
67 extends JmsQueue
68 implements TemporaryQueue, JmsTemporaryDestination {
69
70 /***
71 * Used for serialization
72 */
73 static final long serialVersionUID = 2;
74
75 /***
76 * The identifier of the connection that created this temporary
77 * destination.
78 */
79 private long _connectionId;
80
81 /***
82 * Reference to the connection that owns this deztination.
83 */
84 private transient JmsConnection _connection = null;
85
86 /***
87 * Constructor provided for serialization.
88 */
89 public JmsTemporaryQueue() {
90 }
91
92 /***
93 * Construct a new <code>JmsTemporaryTopic</code>.
94 *
95 * @param connection the owning connection
96 */
97 private JmsTemporaryQueue(JmsConnection connection) {
98 super(TEMP_QUEUE_PREFIX + UUID.next());
99 _connection = connection;
100 _connectionId = connection.getConnectionId();
101 }
102
103
104 public void delete()
105 throws JMSException {
106
107 _connection.deleteTemporaryDestination(this);
108 }
109
110
111 public JmsConnection getOwningConnection() {
112 return _connection;
113 }
114
115
116 public long getConnectionId() {
117 return _connectionId;
118 }
119
120
121 public Reference getReference() {
122
123 return null;
124 }
125
126
127 public boolean validForConnection(JmsConnection connection) {
128 boolean result = false;
129
130 if (connection != null
131 && connection.getConnectionId() == _connectionId) {
132 result = true;
133 }
134
135 return result;
136 }
137
138
139 public void writeExternal(ObjectOutput stream)
140 throws IOException {
141 stream.writeLong(serialVersionUID);
142 stream.writeLong(_connectionId);
143 super.writeExternal(stream);
144 }
145
146
147 public void readExternal(ObjectInput stream)
148 throws IOException, ClassNotFoundException {
149 long version = stream.readLong();
150 if (version == serialVersionUID) {
151 _connectionId = stream.readLong();
152 super.readExternal(stream);
153 } else {
154 throw new IOException("JmsTemporaryQueue with version "
155 + version + " is not supported.");
156 }
157 }
158
159 /***
160 * Construct a new temporary queue.
161 *
162 * @param connection the connection owns that the queue
163 * @return a new temporary queue
164 */
165 public static TemporaryQueue create(JmsConnection connection) {
166 return new JmsTemporaryQueue(connection);
167 }
168 }