Mercurial > hg > orthanc
comparison Core/SQLite/Transaction.cpp @ 0:3959d33612cc
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Jul 2012 14:32:22 +0200 |
parents | |
children | db4d996ea264 |
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-1:000000000000 | 0:3959d33612cc |
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1 /** | |
2 * Palantir - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, | |
4 * Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU General Public License | |
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 **/ | |
19 | |
20 | |
21 #include "Transaction.h" | |
22 | |
23 namespace Palantir | |
24 { | |
25 namespace SQLite | |
26 { | |
27 Transaction::Transaction(Connection& connection) : | |
28 connection_(connection), | |
29 isOpen_(false) | |
30 { | |
31 } | |
32 | |
33 Transaction::~Transaction() | |
34 { | |
35 if (isOpen_) | |
36 { | |
37 connection_.RollbackTransaction(); | |
38 } | |
39 } | |
40 | |
41 void Transaction::Begin() | |
42 { | |
43 if (isOpen_) | |
44 { | |
45 throw PalantirException("SQLite: Beginning a transaction twice!"); | |
46 } | |
47 | |
48 isOpen_ = connection_.BeginTransaction(); | |
49 if (!isOpen_) | |
50 { | |
51 throw PalantirException("SQLite: Unable to create a transaction"); | |
52 } | |
53 } | |
54 | |
55 void Transaction::Rollback() | |
56 { | |
57 if (!isOpen_) | |
58 { | |
59 throw PalantirException("SQLite: Attempting to roll back a nonexistent transaction. " | |
60 "Did you remember to call Begin()?"); | |
61 } | |
62 | |
63 isOpen_ = false; | |
64 | |
65 connection_.RollbackTransaction(); | |
66 } | |
67 | |
68 void Transaction::Commit() | |
69 { | |
70 if (!isOpen_) | |
71 { | |
72 throw PalantirException("SQLite: Attempting to roll back a nonexistent transaction. " | |
73 "Did you remember to call Begin()?"); | |
74 } | |
75 | |
76 isOpen_ = false; | |
77 | |
78 if (!connection_.CommitTransaction()) | |
79 { | |
80 throw PalantirException("SQLite: Failure when committing the transaction"); | |
81 } | |
82 } | |
83 } | |
84 } |