Mercurial > hg > orthanc-databases
annotate Framework/MySQL/MySQLTransaction.cpp @ 157:275e14f57f1e
replacing deprecated std::auto_ptr by std::unique_ptr
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 06 Jul 2020 12:45:58 +0200 |
| parents | 063aa53b5917 |
| children | 3236894320d6 |
| 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) 2017-2020 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 { | |
| 34 MySQLTransaction::MySQLTransaction(MySQLDatabase& db) : | |
| 35 db_(db), | |
| 36 readOnly_(true), | |
| 37 active_(false) | |
| 38 { | |
|
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39 db_.Execute("START TRANSACTION", false); |
| 0 | 40 active_ = true; |
| 41 } | |
| 42 | |
| 43 | |
| 44 MySQLTransaction::~MySQLTransaction() | |
| 45 { | |
| 46 if (active_) | |
| 47 { | |
| 48 LOG(WARNING) << "An active MySQL transaction was dismissed"; | |
| 49 | |
| 50 try | |
| 51 { | |
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52 db_.Execute("ROLLBACK", false); |
| 0 | 53 } |
| 54 catch (Orthanc::OrthancException&) | |
| 55 { | |
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56 // Ignore possible exceptions due to connection loss |
| 0 | 57 } |
| 58 } | |
| 59 } | |
| 60 | |
| 61 | |
| 62 void MySQLTransaction::Rollback() | |
| 63 { | |
| 64 if (active_) | |
| 65 { | |
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66 db_.Execute("ROLLBACK", false); |
| 0 | 67 active_ = false; |
| 68 readOnly_ = true; | |
| 69 } | |
| 70 else | |
| 71 { | |
| 72 LOG(ERROR) << "MySQL: This transaction is already finished"; | |
| 73 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 | |
| 78 void MySQLTransaction::Commit() | |
| 79 { | |
| 80 if (active_) | |
| 81 { | |
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82 db_.Execute("COMMIT", false); |
| 0 | 83 active_ = false; |
| 84 readOnly_ = true; | |
| 85 } | |
| 86 else | |
| 87 { | |
| 88 LOG(ERROR) << "MySQL: This transaction is already finished"; | |
| 89 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 | |
| 94 IResult* MySQLTransaction::Execute(IPrecompiledStatement& statement, | |
| 95 const Dictionary& parameters) | |
| 96 { | |
|
157
275e14f57f1e
replacing deprecated std::auto_ptr by std::unique_ptr
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parents:
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diff
changeset
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97 std::unique_ptr<IResult> result(dynamic_cast<MySQLStatement&>(statement).Execute(*this, parameters)); |
| 0 | 98 |
| 99 if (!statement.IsReadOnly()) | |
| 100 { | |
| 101 readOnly_ = false; | |
| 102 } | |
| 103 | |
| 104 return result.release(); | |
| 105 } | |
| 106 | |
| 107 | |
| 108 void MySQLTransaction::ExecuteWithoutResult(IPrecompiledStatement& statement, | |
| 109 const Dictionary& parameters) | |
| 110 { | |
| 111 dynamic_cast<MySQLStatement&>(statement).ExecuteWithoutResult(*this, parameters); | |
| 112 | |
| 113 if (!statement.IsReadOnly()) | |
| 114 { | |
| 115 readOnly_ = false; | |
| 116 } | |
| 117 } | |
| 118 } |