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Java > Open Source Codes > org > objectweb > jotm > Log


1 /*
2  * @(#) Log.java
3  *
4  * JOTM: Java Open Transaction Manager
5  *
6  *
7  * This module was originally developed by
8  *
9  * - Bull S.A. as part of the JOnAS application server code released in
10  * July 1999 (www.bull.com)
11  *
12  * --------------------------------------------------------------------------
13  * The original code and portions created by Bull SA are
14  * Copyright (c) 1999 BULL SA
15  * All rights reserved.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions are met:
19  *
20  * -Redistributions of source code must retain the above copyright notice, this
21  * list of conditions and the following disclaimer.
22  *
23  * -Redistributions in binary form must reproduce the above copyright notice,
24  * this list of conditions and the following disclaimer in the documentation
25  * and/or other materials provided with the distribution.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
28  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  *
39  *
40  * --------------------------------------------------------------------------
41  * $Id: Log.java,v 1.11 2003/12/10 20:06:26 trentshue Exp $
42  * --------------------------------------------------------------------------
43  */
44
45 package org.objectweb.jotm;
46
47 import java.util.Vector JavaDoc;
48
49 /**
50  * Log associated to a transaction
51  */
52 class Log {
53
54     /**
55      * Constructor
56      */
57     public Log() {
58         if (TraceTm.jotm.isDebugEnabled()) {
59             TraceTm.jotm.debug("Log constructor");
60         }
61     }
62
63     /**
64      * add a Resource to the log
65      */
66     public void addResource(Resource res) {
67         if (TraceTm.jotm.isDebugEnabled()) {
68             TraceTm.jotm.debug("res="+ res);
69         }
70         ResourceInfo ri = new ResourceInfo(res);
71         resourceLogged.addElement(ri);
72     }
73
74     /**
75      * flush Log with decision about the transaction
76      */
77     public void flushLog(int decide) {
78         if (TraceTm.jotm.isDebugEnabled()) {
79             TraceTm.jotm.debug("decide="+ decide);
80         }
81         decision = decide;
82
83         // XXX serialize log on disk
84 }
85
86     /**
87      * forget log
88      */
89     public void forgetLog() {
90         if (TraceTm.jotm.isDebugEnabled()) {
91             TraceTm.jotm.debug("forget log");
92         }
93
94         // XXX remove file on disk
95 }
96
97     /**
98      * update log
99      */
100     public void updateLog() {
101         if (TraceTm.jotm.isDebugEnabled()) {
102             TraceTm.jotm.debug("update log");
103         }
104         
105         // XXX update log
106 }
107
108     // Resources registered (Vector of ResourceInfo)
109 Vector JavaDoc resourceLogged = new Vector JavaDoc();
110
111     // Decision
112 static final int DECISION_TO_COMMIT = 1;
113     static final int DECISION_TO_ROLLBACK = 2;
114     int decision;
115
116 }
117
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