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 2002-2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 *
44 * $Id: StateTransactionLogEntry.java,v 1.1 2004/11/26 01:51:01 tanderson Exp $
45 *
46 * Date Author Changes
47 * 20/11/2001 jima Created
48 */
49 package org.exolab.jms.tranlog;
50
51
52 import java.io.Externalizable;
53 import java.io.IOException;
54 import java.io.ObjectInput;
55 import java.io.ObjectOutput;
56
57
58 public class StateTransactionLogEntry
59 extends BaseTransactionLogEntry
60 implements Externalizable {
61
62 /***
63 * This is the unique id used to identify the version of the class
64 * for the purpose of Serialization
65 */
66 static final long serialVersionUID = 1;
67
68 /***
69 * State of the tranaction, which is identified in the base class
70 */
71 private TransactionState _state;
72
73
74 /***
75 * Default constuctor for serialization
76 */
77 public StateTransactionLogEntry() {
78 }
79
80 /***
81 * Create an instance of this object for the specified transaction
82 * identifier and resource identifier.
83 * <p>
84 * Mark as the transaction being created now
85 *
86 * @param txid - transaction identifier
87 * @param rid - resource identifier
88 */
89 StateTransactionLogEntry(ExternalXid txid, String rid) {
90 this(txid, rid, System.currentTimeMillis());
91 }
92
93 /***
94 * Create an instance of this object for the specified transaction
95 * identifier and resource identifier
96 * <p>
97 * Mark the transaction as being created at the specified time
98 *
99 * @param txid - the transaction identifier
100 * @param rid - the resource identifier
101 * @param created - a timestamp for this transaction
102 */
103 StateTransactionLogEntry(ExternalXid txid, String rid, long created) {
104 super(txid, rid, created);
105 }
106
107 /***
108 * Set the transaction state
109 *
110 * @param state
111 */
112 public void setState(TransactionState state) {
113 _state = state;
114 }
115
116 /***
117 * Get the transaction state
118 *
119 * @return TransactionState
120 */
121 public TransactionState getState() {
122 return _state;
123 }
124
125
126 public void writeExternal(ObjectOutput stream)
127 throws IOException {
128 stream.writeLong(serialVersionUID);
129 stream.writeObject(_state);
130 super.writeExternal(stream);
131 }
132
133
134 public void readExternal(ObjectInput stream)
135 throws IOException, ClassNotFoundException {
136 long version = stream.readLong();
137 if (version == serialVersionUID) {
138 _state = (TransactionState) stream.readObject();
139 super.readExternal(stream);
140 } else {
141 throw new IOException("No support for StateTransactionLogEntry " +
142 "with version " + version);
143 }
144 }
145 }