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comparison Core/SQLite/ITransaction.h @ 1235:9b4977e3c19d

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abstraction
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 05 Dec 2014 14:31:46 +0100
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children 63d47b1fa239
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1234:a65ad39596cb 1235:9b4977e3c19d
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 *
4 * Copyright (C) 2012-2014 Sebastien Jodogne <s.jodogne@gmail.com>,
5 * Medical Physics Department, CHU of Liege, Belgium
6 *
7 * Copyright (c) 2012 The Chromium Authors. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are
11 * met:
12 *
13 * * Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other materials provided with the
18 * distribution.
19 * * Neither the name of Google Inc., the name of the CHU of Liege,
20 * nor the names of its contributors may be used to endorse or promote
21 * products derived from this software without specific prior written
22 * permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 **/
36
37
38 #pragma once
39
40 #include "NonCopyable.h"
41
42 namespace Orthanc
43 {
44 namespace SQLite
45 {
46 class ITransaction : public NonCopyable
47 {
48 public:
49 virtual ~ITransaction()
50 {
51 }
52
53 // Begins the transaction. This uses the default sqlite "deferred" transaction
54 // type, which means that the DB lock is lazily acquired the next time the
55 // database is accessed, not in the begin transaction command.
56 virtual void Begin() = 0;
57
58 // Rolls back the transaction. This will happen automatically if you do
59 // nothing when the transaction goes out of scope.
60 virtual void Rollback() = 0;
61
62 // Commits the transaction, returning true on success.
63 virtual void Commit() = 0;
64 };
65 }
66 }