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 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: JmsTemporaryQueue.java,v 1.7 2003/08/07 13:32:50 tanderson Exp $
44 *
45 * Date Author Changes
46 * 3/21/2000 jima Created
47 */
48 package org.exolab.jms.client;
49
50
51
52 import java.io.Externalizable;
53 import java.io.IOException;
54 import java.io.ObjectInput;
55 import java.io.ObjectOutput;
56
57 import javax.jms.JMSException;
58 import javax.jms.Queue;
59 import javax.jms.TemporaryQueue;
60 import javax.naming.Reference;
61 import javax.naming.Referenceable;
62
63 import org.exolab.jms.util.UUID;
64
65
66 /***
67 * A temporary queue is created by a client through a session and has
68 * a lifetime of the session's connection.
69 *
70 * @version $Revision: 1.7 $ $Date: 2003/08/07 13:32:50 $
71 * @author <a href="mailto:jima@exoffice.com">Jim Alateras</a>
72 **/
73 public class JmsTemporaryQueue
74 extends JmsQueue
75 implements TemporaryQueue, JmsTemporaryDestination, Externalizable, Referenceable {
76
77
78 /***
79 * Used for serialization
80 */
81 static final long serialVersionUID = 1;
82
83 /***
84 * Contains the id to the connection that created this temporary
85 * destination. Note that the actual connection object is not
86 * streamed across, only the identifier.
87 */
88 private String _connectionId = null;
89
90 /***
91 * Reference to the connection that owns this deztination.
92 */
93 transient private JmsConnection _connection = null;
94
95
96 /***
97 * Need a default constructor for the serialization
98 */
99 public JmsTemporaryQueue() {
100 super(TEMP_QUEUE_PREFIX + UUID.next());
101 }
102
103
104 public void delete()
105 throws JMSException {
106
107 _connection.deleteTemporaryDestination(this);
108 }
109
110
111 public void setOwningConnection(JmsConnection connection) {
112 _connection = connection;
113 _connectionId = connection.getConnectionId();
114 }
115
116
117 public JmsConnection getOwningConnection() {
118 return _connection;
119 }
120
121
122 public String getConnectionId() {
123 return _connectionId;
124 }
125
126
127 public Reference getReference() {
128
129 return null;
130 }
131
132
133 public boolean validForConnection(JmsConnection connection) {
134 boolean result = false;
135
136 if ((connection != null) &&
137 (connection.getConnectionId().equals(_connectionId))) {
138 result = true;
139 }
140
141 return result;
142 }
143
144
145 public void writeExternal(ObjectOutput stream)
146 throws IOException {
147 stream.writeLong(serialVersionUID);
148 stream.writeObject(_connectionId);
149 super.writeExternal(stream);
150 }
151
152
153 public void readExternal(ObjectInput stream)
154 throws IOException, ClassNotFoundException {
155 long version = stream.readLong();
156 if (version == serialVersionUID) {
157 _connectionId = (String) stream.readObject();
158 super.readExternal(stream);
159 } else {
160 throw new IOException("JmsTemporaryQueue with version " +
161 version + " is not supported.");
162 }
163 }
164 }