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 2000-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: JmsQueue.java,v 1.1 2004/11/26 01:50:40 tanderson Exp $
44 */
45 package org.exolab.jms.client;
46
47 import java.io.Externalizable;
48 import java.io.IOException;
49 import java.io.ObjectInput;
50 import java.io.ObjectOutput;
51
52 import javax.jms.JMSException;
53 import javax.jms.Queue;
54 import javax.naming.Reference;
55 import javax.naming.StringRefAddr;
56
57
58 /***
59 * This object represents a queue, which is a type of destination. A queue
60 * is identified by name and two queues with the same name refer to the
61 * same object.
62 *
63 * @version $Revision: 1.1 $ $Date: 2004/11/26 01:50:40 $
64 * @author <a href="mailto:jima@comware.com.au">Jim Alateras</a>
65 */
66 public class JmsQueue
67 extends JmsDestination
68 implements Queue, Externalizable {
69
70 /***
71 * Used for serialization
72 */
73 static final long serialVersionUID = 1;
74
75
76 /***
77 * Need a default constructor for the serialization
78 */
79 public JmsQueue() {
80 }
81
82 /***
83 * Instantiate an instance of a queue name
84 *
85 * @param name queue name
86 */
87 public JmsQueue(String name) {
88 super(name);
89 }
90
91 /***
92 * Return the name of the queue
93 *
94 * @return name name of the queue
95 * @exception JMSException
96 */
97 public String getQueueName()
98 throws JMSException {
99 return getName();
100 }
101
102
103
104 public boolean equals(Object object) {
105 boolean result = false;
106
107 if ((object instanceof JmsQueue)
108 && (((JmsQueue) object).getName().equals(this.getName()))) {
109 result = true;
110 }
111
112 return result;
113 }
114
115
116 public int hashCode() {
117 return getName().hashCode();
118 }
119
120
121 public void writeExternal(ObjectOutput stream)
122 throws IOException {
123 stream.writeLong(serialVersionUID);
124 super.writeExternal(stream);
125 }
126
127
128 public void readExternal(ObjectInput stream)
129 throws IOException, ClassNotFoundException {
130 long version = stream.readLong();
131 if (version == serialVersionUID) {
132 super.readExternal(stream);
133 } else {
134 throw new IOException("JmsQueue with version "
135 + version + " is not supported.");
136 }
137 }
138
139 /***
140 * Retrieves the <code>Reference</code> of this object
141 *
142 * @return the non-null <code>Reference</code> of this object
143 */
144 public Reference getReference() {
145 Reference reference = new Reference(
146 JmsQueue.class.getName(), new StringRefAddr("name", getName()),
147 JmsDestinationFactory.class.getName(), null);
148
149
150 reference.add(new StringRefAddr("persistent",
151 (getPersistent() ? "true" : "false")));
152
153 return reference;
154 }
155 }