1 /*
2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "SQLiteTransaction.h"
28
29 #include "SQLiteDatabase.h"
30
31 namespace WebCore {
32
SQLiteTransaction(SQLiteDatabase & db)33 SQLiteTransaction::SQLiteTransaction(SQLiteDatabase& db)
34 : m_db(db)
35 , m_inProgress(false)
36 {
37 }
38
~SQLiteTransaction()39 SQLiteTransaction::~SQLiteTransaction()
40 {
41 if (m_inProgress)
42 rollback();
43 }
44
begin()45 void SQLiteTransaction::begin()
46 {
47 if (!m_inProgress) {
48 ASSERT(!m_db.m_transactionInProgress);
49 m_inProgress = m_db.executeCommand("BEGIN;");
50 m_db.m_transactionInProgress = m_inProgress;
51 }
52 }
53
commit()54 void SQLiteTransaction::commit()
55 {
56 if (m_inProgress) {
57 ASSERT(m_db.m_transactionInProgress);
58 m_db.executeCommand("COMMIT;");
59 m_inProgress = false;
60 m_db.m_transactionInProgress = false;
61 }
62 }
63
rollback()64 void SQLiteTransaction::rollback()
65 {
66 if (m_inProgress) {
67 ASSERT(m_db.m_transactionInProgress);
68 m_db.executeCommand("ROLLBACK;");
69 m_inProgress = false;
70 m_db.m_transactionInProgress = false;
71 }
72 }
73
stop()74 void SQLiteTransaction::stop()
75 {
76 m_inProgress = false;
77 m_db.m_transactionInProgress = false;
78 }
79
80 } // namespace WebCore
81