Mercurial > hg > orthanc-databases
annotate Framework/Common/DatabaseManager.h @ 18:c7c54993a92e
fix sqlite
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 10 Jul 2018 10:40:39 +0200 |
| parents | 9774802fd05f |
| children | b2ff1cd2907a |
| rev | line source |
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| 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 | |
| 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 "IDatabaseFactory.h" | |
| 25 #include "StatementLocation.h" | |
| 26 | |
| 27 #include <Core/Enumerations.h> | |
| 28 | |
| 29 #include <boost/thread/recursive_mutex.hpp> | |
| 30 #include <memory> | |
| 31 | |
| 32 namespace OrthancDatabases | |
| 33 { | |
| 34 class DatabaseManager : public boost::noncopyable | |
| 35 { | |
| 36 private: | |
| 37 typedef std::map<StatementLocation, IPrecompiledStatement*> CachedStatements; | |
| 38 | |
| 39 boost::recursive_mutex mutex_; | |
| 40 std::auto_ptr<IDatabaseFactory> factory_; | |
| 41 std::auto_ptr<IDatabase> database_; | |
| 42 std::auto_ptr<ITransaction> transaction_; | |
| 43 CachedStatements cachedStatements_; | |
| 44 Dialect dialect_; | |
| 45 | |
| 46 IDatabase& GetDatabase(); | |
| 47 | |
| 48 void CloseIfUnavailable(Orthanc::ErrorCode e); | |
| 49 | |
| 50 IPrecompiledStatement* LookupCachedStatement(const StatementLocation& location) const; | |
| 51 | |
| 52 IPrecompiledStatement& CacheStatement(const StatementLocation& location, | |
| 53 const Query& query); | |
| 54 | |
| 55 ITransaction& GetTransaction(); | |
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56 |
| 0 | 57 public: |
| 58 DatabaseManager(IDatabaseFactory* factory); // Takes ownership | |
| 59 | |
| 60 ~DatabaseManager() | |
| 61 { | |
| 62 Close(); | |
| 63 } | |
| 64 | |
| 65 Dialect GetDialect() const | |
| 66 { | |
| 67 return dialect_; | |
| 68 } | |
| 69 | |
| 70 void Open() | |
| 71 { | |
| 72 GetDatabase(); | |
| 73 } | |
| 74 | |
| 75 void Close(); | |
| 76 | |
| 77 void StartTransaction(); | |
| 78 | |
| 79 void CommitTransaction(); | |
| 80 | |
| 81 void RollbackTransaction(); | |
| 82 | |
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83 |
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84 class Transaction : public boost::noncopyable |
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85 { |
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86 private: |
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87 boost::recursive_mutex::scoped_lock lock_; |
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88 DatabaseManager& manager_; |
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89 IDatabase& database_; |
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90 |
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91 public: |
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92 Transaction(DatabaseManager& manager) : |
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93 lock_(manager.mutex_), |
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94 manager_(manager), |
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95 database_(manager.GetDatabase()) |
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96 { |
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97 } |
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98 |
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99 void Commit() |
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100 { |
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101 manager_.CommitTransaction(); |
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102 } |
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103 |
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104 void Rollback() |
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105 { |
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106 manager_.RollbackTransaction(); |
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107 } |
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108 |
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109 DatabaseManager& GetManager() |
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110 { |
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111 return manager_; |
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112 } |
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113 |
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114 IDatabase& GetDatabase() |
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115 { |
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116 return database_; |
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117 } |
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118 }; |
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119 |
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120 |
| 0 | 121 class CachedStatement : public boost::noncopyable |
| 122 { | |
| 123 private: | |
| 124 boost::recursive_mutex::scoped_lock lock_; | |
| 125 DatabaseManager& manager_; | |
| 18 | 126 IDatabase& database_; |
| 0 | 127 StatementLocation location_; |
| 128 ITransaction& transaction_; | |
| 129 IPrecompiledStatement* statement_; | |
| 130 std::auto_ptr<Query> query_; | |
| 131 std::auto_ptr<IResult> result_; | |
| 132 | |
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133 void Setup(const char* sql); |
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134 |
| 0 | 135 IResult& GetResult() const; |
| 136 | |
| 137 public: | |
| 138 CachedStatement(const StatementLocation& location, | |
| 139 DatabaseManager& manager, | |
| 140 const char* sql); | |
| 141 | |
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142 CachedStatement(const StatementLocation& location, |
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143 Transaction& transaction, |
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144 const char* sql); |
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145 |
| 18 | 146 IDatabase& GetDatabase() |
| 147 { | |
| 148 return database_; | |
| 149 } | |
| 150 | |
| 0 | 151 void SetReadOnly(bool readOnly); |
| 152 | |
| 153 void SetParameterType(const std::string& parameter, | |
| 154 ValueType type); | |
| 155 | |
| 156 void Execute(); | |
| 157 | |
| 158 void Execute(const Dictionary& parameters); | |
| 159 | |
| 160 bool IsDone() const; | |
| 161 | |
| 162 void Next(); | |
| 163 | |
| 164 size_t GetResultFieldsCount() const; | |
| 165 | |
| 166 void SetResultFieldType(size_t field, | |
| 167 ValueType type); | |
| 168 | |
| 169 const IValue& GetResultField(size_t index) const; | |
| 170 }; | |
| 171 }; | |
| 172 } |