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: TransactionManagerType.java,v 1.2 2003/08/07 13:33:12 tanderson Exp $
44 *
45 * Date Author Changes
46 * 07/02/2001 jima Created
47 */
48 package org.exolab.jms.transaction;
49
50 import java.io.Serializable;
51
52
53 /***
54 * This class defines all the valid transaction manager types
55 *
56 * @version $Revision: 1.2 $ $Date: 2003/08/07 13:33:12 $
57 * @author <a href="mailto:jima@intalio.com">Jim Alateras</a>
58 */
59 public final class TransactionManagerType
60 implements Serializable {
61
62 /***
63 * Limit the scope of the constructor. All instances of this class are
64 * created during class initialisation time.
65 *
66 * @param type message type name
67 * @param int associatedordinal value
68 */
69 private TransactionManagerType(String type, int ord) {
70 _type = type;
71 _ord = ord;
72 }
73
74 /***
75 * Returns the ordinal value for this type
76 *
77 * @return int
78 */
79 public int getOrd() {
80 return _ord;
81 }
82
83 /***
84 * Return the transaction type as a string
85 *
86 * @return String
87 */
88 public String getType() {
89 return _type;
90 }
91
92 /***
93 * Returns the name of this transaction type
94 *
95 * @return String
96 */
97 public String toString() {
98 return _type;
99 }
100
101 /***
102 * Return the TransactionManagerType give its ordinal value
103 *
104 * @param value - message ord value
105 * @return TransactionManagerType
106 */
107 public static TransactionManagerType fromInt(int value) {
108 switch (value) {
109 case NULL_TM_ORD:
110 return NULL;
111
112 case TYREX_TM_ORD:
113 return TYREX;
114
115 default:
116 return null;
117 }
118 }
119
120 /***
121 * Return true if the two specified object is ofthe same type
122 * andthat their ordinal values are the same.
123 *
124 * @param obj object to compare against
125 * @return boolean true if the two objects are equivalent
126 */
127 public boolean equals(Object obj) {
128 boolean result = false;
129
130 if (obj instanceof TransactionManagerType) {
131 TransactionManagerType req_obj = (TransactionManagerType) obj;
132 if (req_obj.getOrd() == getOrd()) {
133 result = true;
134 }
135 }
136
137 return result;
138 }
139
140 /***
141 * Returns true if it is a Tyrex transaction manager
142 *
143 * @return boolean
144 */
145 public boolean isTyrexTransactionManager() {
146 return getOrd() == TYREX.getOrd();
147 }
148
149 /***
150 * Returns true if it is a Tyrex transaction manager
151 *
152 * @return boolean
153 */
154 public boolean isNullTransactionManager() {
155 return getOrd() == NULL.getOrd();
156 }
157
158
159 /***
160 * Oridnal values for each transaction manager type
161 */
162 public static final int NULL_TM_ORD = 1;
163 public static final int TYREX_TM_ORD = 2;
164
165 /***
166 * Strign value for each transaction manager type
167 */
168 public static final String NULL_TM_STR = "null-tm";
169 public static final String TYREX_TM_STR = "tyrex-tm";
170
171
172 /***
173 * Instatiate instances related to each of the enumerations
174 */
175 public static final TransactionManagerType NULL =
176 new TransactionManagerType(NULL_TM_STR, NULL_TM_ORD);
177 public static final TransactionManagerType TYREX =
178 new TransactionManagerType(TYREX_TM_STR, TYREX_TM_ORD);
179
180
181 /***
182 * Holds the type of the message type. Cannot be null
183 */
184 private String _type;
185
186 /***
187 * Holds the ordinal value of this message type. This is unique within the
188 * transaction manager type domain
189 */
190 private int _ord;
191 }
192
193
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