Mercurial > hg > orthanc-databases
annotate Framework/MySQL/MySQLTransaction.cpp @ 317:be8b0ac774e2
removed suspicious changeset 294 (adb5e86645a6)
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 19 Jul 2021 15:16:20 +0200 |
| parents | 35598014f140 |
| children | 16aac0287485 |
| 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) 2017-2021 Osimis S.A., Belgium |
| 0 | 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 #include "MySQLTransaction.h" | |
| 23 | |
| 24 #include "MySQLStatement.h" | |
| 25 | |
|
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26 #include <Compatibility.h> // For std::unique_ptr<> |
| 152 | 27 #include <Logging.h> |
| 28 #include <OrthancException.h> | |
| 0 | 29 |
| 30 #include <memory> | |
| 31 | |
| 32 namespace OrthancDatabases | |
| 33 { | |
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34 MySQLTransaction::MySQLTransaction(MySQLDatabase& db, |
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35 TransactionType type) : |
| 0 | 36 db_(db), |
| 37 active_(false) | |
| 38 { | |
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39 switch (type) |
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40 { |
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41 case TransactionType_ReadWrite: |
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42 db_.ExecuteMultiLines("START TRANSACTION READ WRITE", false); |
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43 break; |
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44 |
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45 case TransactionType_ReadOnly: |
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46 db_.ExecuteMultiLines("START TRANSACTION READ ONLY", false); |
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47 break; |
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48 |
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49 default: |
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50 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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51 } |
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52 |
| 0 | 53 active_ = true; |
| 54 } | |
| 55 | |
| 56 | |
| 57 MySQLTransaction::~MySQLTransaction() | |
| 58 { | |
| 59 if (active_) | |
| 60 { | |
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61 LOG(INFO) << "An active MySQL transaction was dismissed"; |
| 0 | 62 |
| 63 try | |
| 64 { | |
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65 db_.ExecuteMultiLines("ROLLBACK", false); |
| 0 | 66 } |
| 67 catch (Orthanc::OrthancException&) | |
| 68 { | |
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69 // Ignore possible exceptions due to connection loss |
| 0 | 70 } |
| 71 } | |
| 72 } | |
| 73 | |
| 74 | |
| 75 void MySQLTransaction::Rollback() | |
| 76 { | |
| 77 if (active_) | |
| 78 { | |
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79 db_.ExecuteMultiLines("ROLLBACK", false); |
| 0 | 80 active_ = false; |
| 81 } | |
| 82 else | |
| 83 { | |
| 84 LOG(ERROR) << "MySQL: This transaction is already finished"; | |
| 85 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 | |
| 90 void MySQLTransaction::Commit() | |
| 91 { | |
| 92 if (active_) | |
| 93 { | |
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94 db_.ExecuteMultiLines("COMMIT", false); |
| 0 | 95 active_ = false; |
| 96 } | |
| 97 else | |
| 98 { | |
| 99 LOG(ERROR) << "MySQL: This transaction is already finished"; | |
| 100 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 | |
| 105 IResult* MySQLTransaction::Execute(IPrecompiledStatement& statement, | |
| 106 const Dictionary& parameters) | |
| 107 { | |
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108 return dynamic_cast<MySQLStatement&>(statement).Execute(*this, parameters); |
| 0 | 109 } |
| 110 | |
| 111 | |
| 112 void MySQLTransaction::ExecuteWithoutResult(IPrecompiledStatement& statement, | |
| 113 const Dictionary& parameters) | |
| 114 { | |
| 115 dynamic_cast<MySQLStatement&>(statement).ExecuteWithoutResult(*this, parameters); | |
| 116 } | |
| 117 } |