Mercurial > hg > orthanc-databases
annotate Framework/PostgreSQL/PostgreSQLTransaction.cpp @ 214:ab96698c73a3
removed useless information about read-only in ITransaction and IPrecompiledStatement
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 25 Mar 2021 13:56:26 +0100 |
| parents | 3236894320d6 |
| children | fbb52129158a |
| 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 "PostgreSQLTransaction.h" | |
| 23 | |
| 24 #include "PostgreSQLStatement.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 namespace OrthancDatabases | |
| 31 { | |
| 32 PostgreSQLTransaction::PostgreSQLTransaction(PostgreSQLDatabase& database) : | |
| 33 database_(database), | |
|
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34 isOpen_(false) |
| 0 | 35 { |
| 36 Begin(); | |
| 37 } | |
| 38 | |
| 39 | |
| 40 PostgreSQLTransaction::~PostgreSQLTransaction() | |
| 41 { | |
| 42 if (isOpen_) | |
| 43 { | |
| 44 LOG(WARNING) << "PostgreSQL: An active PostgreSQL transaction was dismissed"; | |
| 45 | |
| 46 try | |
| 47 { | |
| 48 database_.Execute("ABORT"); | |
| 49 } | |
| 50 catch (Orthanc::OrthancException&) | |
| 51 { | |
|
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52 // Ignore possible exceptions due to connection loss |
| 0 | 53 } |
| 54 } | |
| 55 } | |
| 56 | |
| 57 | |
| 58 void PostgreSQLTransaction::Begin() | |
| 59 { | |
| 60 if (isOpen_) | |
| 61 { | |
| 62 LOG(ERROR) << "PostgreSQL: Beginning a transaction twice!"; | |
| 63 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 64 } | |
| 65 | |
| 66 database_.Execute("BEGIN"); | |
| 67 database_.Execute("SET TRANSACTION ISOLATION LEVEL SERIALIZABLE"); | |
| 68 isOpen_ = true; | |
| 69 } | |
| 70 | |
| 71 | |
| 72 void PostgreSQLTransaction::Rollback() | |
| 73 { | |
| 74 if (!isOpen_) | |
| 75 { | |
| 76 LOG(ERROR) << "PostgreSQL: Attempting to rollback a nonexistent transaction. " | |
| 77 << "Did you remember to call Begin()?"; | |
| 78 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 79 } | |
| 80 | |
| 81 database_.Execute("ABORT"); | |
| 82 isOpen_ = false; | |
| 83 } | |
| 84 | |
| 85 | |
| 86 void PostgreSQLTransaction::Commit() | |
| 87 { | |
| 88 if (!isOpen_) | |
| 89 { | |
| 90 LOG(ERROR) << "PostgreSQL: Attempting to roll back a nonexistent transaction. " | |
| 91 << "Did you remember to call Begin()?"; | |
| 92 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 93 } | |
| 94 | |
| 95 database_.Execute("COMMIT"); | |
| 96 isOpen_ = false; | |
| 97 } | |
| 98 | |
| 99 | |
| 100 IResult* PostgreSQLTransaction::Execute(IPrecompiledStatement& statement, | |
| 101 const Dictionary& parameters) | |
| 102 { | |
|
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103 return dynamic_cast<PostgreSQLStatement&>(statement).Execute(*this, parameters); |
| 0 | 104 } |
| 105 | |
| 106 | |
| 107 void PostgreSQLTransaction::ExecuteWithoutResult(IPrecompiledStatement& statement, | |
| 108 const Dictionary& parameters) | |
| 109 { | |
| 110 dynamic_cast<PostgreSQLStatement&>(statement).ExecuteWithoutResult(*this, parameters); | |
| 111 } | |
| 112 } |