Mercurial > hg > orthanc-databases
annotate Framework/MySQL/MySQLTransaction.cpp @ 359:16aac0287485
copyright upgraded to 2022
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 21 Feb 2022 09:32:46 +0100 |
| parents | 35598014f140 |
| children | 3d6886f3e5b3 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Affero General Public License | |
| 10 * as published by the Free Software Foundation, either version 3 of | |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * Affero General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Affero General Public License | |
| 19 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 **/ | |
| 21 | |
| 22 | |
| 23 #include "MySQLTransaction.h" | |
| 24 | |
| 25 #include "MySQLStatement.h" | |
| 26 | |
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27 #include <Compatibility.h> // For std::unique_ptr<> |
| 152 | 28 #include <Logging.h> |
| 29 #include <OrthancException.h> | |
| 0 | 30 |
| 31 #include <memory> | |
| 32 | |
| 33 namespace OrthancDatabases | |
| 34 { | |
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35 MySQLTransaction::MySQLTransaction(MySQLDatabase& db, |
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36 TransactionType type) : |
| 0 | 37 db_(db), |
| 38 active_(false) | |
| 39 { | |
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40 switch (type) |
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41 { |
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42 case TransactionType_ReadWrite: |
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43 db_.ExecuteMultiLines("START TRANSACTION READ WRITE", false); |
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44 break; |
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45 |
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46 case TransactionType_ReadOnly: |
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47 db_.ExecuteMultiLines("START TRANSACTION READ ONLY", false); |
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48 break; |
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49 |
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50 default: |
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51 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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52 } |
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53 |
| 0 | 54 active_ = true; |
| 55 } | |
| 56 | |
| 57 | |
| 58 MySQLTransaction::~MySQLTransaction() | |
| 59 { | |
| 60 if (active_) | |
| 61 { | |
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62 LOG(INFO) << "An active MySQL transaction was dismissed"; |
| 0 | 63 |
| 64 try | |
| 65 { | |
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66 db_.ExecuteMultiLines("ROLLBACK", false); |
| 0 | 67 } |
| 68 catch (Orthanc::OrthancException&) | |
| 69 { | |
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70 // Ignore possible exceptions due to connection loss |
| 0 | 71 } |
| 72 } | |
| 73 } | |
| 74 | |
| 75 | |
| 76 void MySQLTransaction::Rollback() | |
| 77 { | |
| 78 if (active_) | |
| 79 { | |
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80 db_.ExecuteMultiLines("ROLLBACK", false); |
| 0 | 81 active_ = false; |
| 82 } | |
| 83 else | |
| 84 { | |
| 85 LOG(ERROR) << "MySQL: This transaction is already finished"; | |
| 86 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 | |
| 91 void MySQLTransaction::Commit() | |
| 92 { | |
| 93 if (active_) | |
| 94 { | |
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95 db_.ExecuteMultiLines("COMMIT", false); |
| 0 | 96 active_ = false; |
| 97 } | |
| 98 else | |
| 99 { | |
| 100 LOG(ERROR) << "MySQL: This transaction is already finished"; | |
| 101 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 | |
| 106 IResult* MySQLTransaction::Execute(IPrecompiledStatement& statement, | |
| 107 const Dictionary& parameters) | |
| 108 { | |
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109 return dynamic_cast<MySQLStatement&>(statement).Execute(*this, parameters); |
| 0 | 110 } |
| 111 | |
| 112 | |
| 113 void MySQLTransaction::ExecuteWithoutResult(IPrecompiledStatement& statement, | |
| 114 const Dictionary& parameters) | |
| 115 { | |
| 116 dynamic_cast<MySQLStatement&>(statement).ExecuteWithoutResult(*this, parameters); | |
| 117 } | |
| 118 } |