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comparison Framework/Common/ImplicitTransaction.h @ 23:b2ff1cd2907a

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handling of implicit transactions in DatabaseManager
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 12 Jul 2018 10:44:17 +0200
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children c0cb5d2cd696
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22:1e9bad493475 23:b2ff1cd2907a
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #include "ITransaction.h"
25
26 namespace OrthancDatabases
27 {
28 class ImplicitTransaction : public ITransaction
29 {
30 private:
31 enum State
32 {
33 State_Ready,
34 State_Executed,
35 State_Committed
36 };
37
38 State state_;
39 bool readOnly_;
40
41 void CheckStateForExecution();
42
43 protected:
44 virtual IResult* ExecuteInternal(IPrecompiledStatement& statement,
45 const Dictionary& parameters) = 0;
46
47 virtual void ExecuteWithoutResultInternal(IPrecompiledStatement& statement,
48 const Dictionary& parameters) = 0;
49
50 public:
51 ImplicitTransaction();
52
53 virtual ~ImplicitTransaction();
54
55 virtual bool IsImplicit() const
56 {
57 return true;
58 }
59
60 virtual bool IsReadOnly() const
61 {
62 return readOnly_;
63 }
64
65 virtual void Rollback();
66
67 virtual void Commit();
68
69 virtual IResult* Execute(IPrecompiledStatement& statement,
70 const Dictionary& parameters);
71
72 virtual void ExecuteWithoutResult(IPrecompiledStatement& statement,
73 const Dictionary& parameters);
74 };
75 }