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 tma@netspace.net.au.
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 2001-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: SequenceMessagePopulator.java,v 1.2 2004/01/31 13:44:24 tanderson Exp $
44 */
45 package org.exolab.jmscts.core;
46
47 import javax.jms.BytesMessage;
48 import javax.jms.MapMessage;
49 import javax.jms.Message;
50 import javax.jms.ObjectMessage;
51 import javax.jms.StreamMessage;
52 import javax.jms.TextMessage;
53
54
55 /***
56 * A message populator that populates the body of messages with a sequence
57 * number. The sequence is incremented with each invocation, starting at 1.
58 *
59 * @version $Revision: 1.2 $ $Date: 2004/01/31 13:44:24 $
60 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
61 */
62 public class SequenceMessagePopulator extends AbstractMessagePopulator {
63
64 /***
65 * The sequence number
66 */
67 private volatile int _sequence = 0;
68
69
70 /***
71 * Construct a new <code>SequenceMessagePopulator</code>
72 */
73 public SequenceMessagePopulator() {
74 }
75
76 /***
77 * Populates a Message. This is a no-op
78 *
79 * @param message the message to populate
80 * @throws Exception for any error
81 */
82 public void populateMessage(Message message) throws Exception {
83 }
84
85 /***
86 * Populates a BytesMessage
87 *
88 * @param message the message to populate
89 * @throws Exception for any error
90 */
91 public void populateBytesMessage(BytesMessage message) throws Exception {
92 message.writeInt(++_sequence);
93 }
94
95 /***
96 * Populates a MapMessage
97 *
98 * @param message the message to populate
99 * @throws Exception for any error
100 */
101 public void populateMapMessage(MapMessage message) throws Exception {
102 message.setInt("key", ++_sequence);
103 }
104
105 /***
106 * Populates an ObjectMessage
107 *
108 * @param message the message to populate
109 * @throws Exception for any error
110 */
111 public void populateObjectMessage(ObjectMessage message) throws Exception {
112 message.setObject(new Integer(++_sequence));
113 }
114
115 /***
116 * Populates a StreamMessage
117 *
118 * @param message the message to populate
119 * @throws Exception for any error
120 */
121 public void populateStreamMessage(StreamMessage message) throws Exception {
122 message.writeInt(++_sequence);
123 }
124
125 /***
126 * Populates a TextMessage
127 *
128 * @param message the message to populate
129 * @throws Exception for any error
130 */
131 public void populateTextMessage(TextMessage message) throws Exception {
132 message.setText(new Integer(++_sequence).toString());
133 }
134
135 }
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