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 2000,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: Priority.java,v 1.1 2004/11/26 01:50:43 tanderson Exp $
44 *
45 * Date Author Changes
46 * 02/26/2000 jimm Created
47 */
48
49 package org.exolab.jms.message;
50
51 import java.io.Externalizable;
52 import java.io.IOException;
53 import java.io.ObjectInput;
54 import java.io.ObjectOutput;
55
56 import javax.jms.JMSException;
57
58
59 /***
60 * Wrapper for JMSPriority
61 *
62 * @version $Revision: 1.1 $ $Date: 2004/11/26 01:50:43 $
63 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a>
64 */
65 public class Priority implements Externalizable {
66
67
68 static final long serialVersionUID = 1;
69
70 private int priority_ = 0;
71
72 public Priority() {
73
74 }
75
76 public Priority(int priority) throws JMSException {
77 if (priority >= 0 && priority < 10) {
78 priority_ = priority;
79 } else {
80 throw new JMSException("Invalid priority");
81 }
82 }
83
84
85
86 public void writeExternal(ObjectOutput out) throws IOException {
87 out.writeLong(serialVersionUID);
88 out.writeInt(priority_);
89 }
90
91
92
93 public void readExternal(ObjectInput in)
94 throws IOException, ClassNotFoundException {
95 long version = in.readLong();
96 if (version == serialVersionUID) {
97 priority_ = in.readInt();
98 } else {
99 throw new IOException("Incorrect version enountered: " +
100 version + " This version = " +
101 serialVersionUID);
102 }
103 }
104
105
106 public int getPriority() {
107 return priority_;
108 }
109
110
111 public boolean isExpedited() {
112 return (priority_ >= 5 ? true : false);
113 }
114
115
116 public boolean isGreater(Priority toCompare) {
117 return (priority_ > toCompare.priority_);
118 }
119
120
121 public boolean isEqual(Priority toCompare) {
122 return (priority_ == toCompare.priority_);
123 }
124 }
125