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annotate Framework/Common/DatabaseManager.cpp @ 255:d663d9e44f8d

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reintroduction of IDatabaseFactory into DatabaseManager
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 14 Apr 2021 17:57:08 +0200
parents 8a4ce70f456a
children 29d2b76516f6
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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3236894320d6 upgrade to year 2021
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "DatabaseManager.h"
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23
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24 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
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25
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26 #include <Compatibility.h> // For std::unique_ptr<>
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27 #include <Logging.h>
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28 #include <OrthancException.h>
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29
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30 #include <boost/thread.hpp>
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31
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32 namespace OrthancDatabases
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33 {
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34 void DatabaseManager::Close()
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35 {
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36 LOG(TRACE) << "Closing the connection to the database";
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37
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38 // Rollback active transaction, if any
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39 transaction_.reset(NULL);
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40
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41 // Delete all the cached statements (must occur before closing
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42 // the database)
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43 for (CachedStatements::iterator it = cachedStatements_.begin();
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44 it != cachedStatements_.end(); ++it)
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45 {
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46 assert(it->second != NULL);
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47 delete it->second;
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48 }
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49
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50 cachedStatements_.clear();
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51
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52 // Close the database
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53 database_.reset(NULL);
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54
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55 LOG(TRACE) << "Connection to the database is closed";
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56 }
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57
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58
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59 void DatabaseManager::CloseIfUnavailable(Orthanc::ErrorCode e)
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60 {
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61 bool failure;
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62
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63 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 9, 2)
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64 failure = (e != Orthanc::ErrorCode_Success &&
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65 e != Orthanc::ErrorCode_DatabaseCannotSerialize);
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66 #else
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67 failure = (e != Orthanc::ErrorCode_Success);
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68 #endif
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69
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70 if (failure)
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71 {
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72 transaction_.reset(NULL);
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73 }
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74
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75 if (e == Orthanc::ErrorCode_DatabaseUnavailable)
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76 {
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77 LOG(ERROR) << "The database is not available, closing the connection";
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78 Close();
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79 }
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80 }
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82
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83 IPrecompiledStatement* DatabaseManager::LookupCachedStatement(const StatementLocation& location) const
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84 {
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85 CachedStatements::const_iterator found = cachedStatements_.find(location);
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86
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87 if (found == cachedStatements_.end())
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88 {
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89 return NULL;
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90 }
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91 else
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92 {
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93 assert(found->second != NULL);
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94 return found->second;
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95 }
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96 }
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98
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99 IPrecompiledStatement& DatabaseManager::CacheStatement(const StatementLocation& location,
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100 const Query& query)
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101 {
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102 LOG(TRACE) << "Caching statement from " << location.GetFile() << ":" << location.GetLine();
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103
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104 std::unique_ptr<IPrecompiledStatement> statement(GetDatabase().Compile(query));
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105
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106 IPrecompiledStatement* tmp = statement.get();
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107 if (tmp == NULL)
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108 {
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109 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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110 }
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111
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112 assert(cachedStatements_.find(location) == cachedStatements_.end());
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113 cachedStatements_[location] = statement.release();
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114
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115 return *tmp;
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116 }
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117
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118
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119 ITransaction& DatabaseManager::GetTransaction()
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120 {
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121 if (transaction_.get() == NULL)
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122 {
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123 LOG(TRACE) << "Automatically creating an implicit database transaction";
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124
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125 try
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126 {
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127 transaction_.reset(GetDatabase().CreateTransaction(TransactionType_Implicit));
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128 }
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129 catch (Orthanc::OrthancException& e)
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130 {
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131 CloseIfUnavailable(e.GetErrorCode());
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132 throw;
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133 }
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134 }
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135
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136 assert(transaction_.get() != NULL);
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137 return *transaction_;
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138 }
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139
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140
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141 void DatabaseManager::ReleaseImplicitTransaction()
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142 {
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143 if (transaction_.get() != NULL &&
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144 transaction_->IsImplicit())
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145 {
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146 LOG(TRACE) << "Committing an implicit database transaction";
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147
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148 try
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149 {
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150 transaction_->Commit();
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151 transaction_.reset(NULL);
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152 }
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153 catch (Orthanc::OrthancException& e)
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154 {
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155 // Don't throw the exception, as we are in CachedStatement destructor
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156 LOG(ERROR) << "Error while committing an implicit database transaction: " << e.What();
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157 }
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158 }
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159 }
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160
0
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161
255
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162 DatabaseManager::DatabaseManager(IDatabaseFactory* factory) :
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163 factory_(factory),
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164 dialect_(Dialect_Unknown)
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165 {
255
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166 if (factory == NULL)
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167 {
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168 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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169 }
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170 }
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171
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172
254
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173 IDatabase& DatabaseManager::GetDatabase()
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174 {
255
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175 assert(factory_.get() != NULL);
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176
254
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177 if (database_.get() == NULL)
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178 {
255
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179 database_.reset(factory_->Open());
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180
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181 if (database_.get() == NULL)
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182 {
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183 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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184 }
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185
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186 dialect_ = database_->GetDialect();
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187 if (dialect_ == Dialect_Unknown)
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188 {
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189 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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190 }
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191 }
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192
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193 return *database_;
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194 }
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195
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196
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197 Dialect DatabaseManager::GetDialect() const
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198 {
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199 if (database_.get() == NULL)
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200 {
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201 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
254
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202 }
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203 else
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204 {
255
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205 assert(dialect_ != Dialect_Unknown);
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206 return dialect_;
254
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207 }
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208 }
255
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209
254
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210
207
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211 void DatabaseManager::StartTransaction(TransactionType type)
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212 {
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213 try
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214 {
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215 if (transaction_.get() != NULL)
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216 {
23
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217 LOG(ERROR) << "Cannot start another transaction while there is an uncommitted transaction";
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218 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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219 }
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220
215
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221 transaction_.reset(GetDatabase().CreateTransaction(type));
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222 }
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223 catch (Orthanc::OrthancException& e)
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224 {
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225 CloseIfUnavailable(e.GetErrorCode());
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226 throw;
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227 }
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228 }
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229
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230
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231 void DatabaseManager::CommitTransaction()
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232 {
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233 if (transaction_.get() == NULL)
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234 {
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235 LOG(ERROR) << "Cannot commit a non-existing transaction";
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236 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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237 }
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238 else
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239 {
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240 try
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241 {
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242 transaction_->Commit();
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243 transaction_.reset(NULL);
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244 }
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245 catch (Orthanc::OrthancException& e)
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246 {
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247 CloseIfUnavailable(e.GetErrorCode());
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248 throw;
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249 }
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250 }
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251 }
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252
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253
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254 void DatabaseManager::RollbackTransaction()
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255 {
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256 if (transaction_.get() == NULL)
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257 {
234
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258 LOG(INFO) << "Cannot rollback a non-existing transaction";
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259 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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260 }
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261 else
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262 {
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263 try
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264 {
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265 transaction_->Rollback();
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266 transaction_.reset(NULL);
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267 }
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268 catch (Orthanc::OrthancException& e)
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269 {
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270 CloseIfUnavailable(e.GetErrorCode());
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271 throw;
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272 }
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273 }
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274 }
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275
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276
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277 DatabaseManager::Transaction::Transaction(DatabaseManager& manager,
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278 TransactionType type) :
23
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279 manager_(manager),
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280 database_(manager.GetDatabase()),
241
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281 active_(true)
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282 {
207
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283 manager_.StartTransaction(type);
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284 }
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285
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286
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287 DatabaseManager::Transaction::~Transaction()
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288 {
241
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289 if (active_)
23
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290 {
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291 try
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292 {
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293 manager_.RollbackTransaction();
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294 }
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295 catch (Orthanc::OrthancException& e)
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diff changeset
296 {
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297 // Don't rethrow the exception as we are in a destructor
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298 LOG(ERROR) << "Uncatched error during some transaction rollback: " << e.What();
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299 }
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300 }
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parents: 18
diff changeset
301 }
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diff changeset
302
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diff changeset
303
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diff changeset
304 void DatabaseManager::Transaction::Commit()
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305 {
241
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diff changeset
306 if (active_)
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307 {
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308 manager_.CommitTransaction();
242
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diff changeset
309 active_ = false;
241
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310 }
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311 else
23
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diff changeset
312 {
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diff changeset
313 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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314 }
241
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315 }
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316
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317
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318 void DatabaseManager::Transaction::Rollback()
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319 {
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320 if (active_)
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321 {
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322 manager_.RollbackTransaction();
242
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323 active_ = false;
241
a063bbf10a3e simplification of class DatabaseManager::Transaction
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diff changeset
324 }
23
b2ff1cd2907a handling of implicit transactions in DatabaseManager
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diff changeset
325 else
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326 {
241
a063bbf10a3e simplification of class DatabaseManager::Transaction
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327 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
23
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diff changeset
328 }
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329 }
b2ff1cd2907a handling of implicit transactions in DatabaseManager
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330
70
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331
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332 IResult& DatabaseManager::StatementBase::GetResult() const
12
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333 {
70
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334 if (result_.get() == NULL)
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335 {
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diff changeset
336 LOG(ERROR) << "Accessing the results of a statement without having executed it";
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337 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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338 }
12
41543239072d transactions for storage area
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diff changeset
339
70
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diff changeset
340 return *result_;
12
41543239072d transactions for storage area
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parents: 0
diff changeset
341 }
41543239072d transactions for storage area
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parents: 0
diff changeset
342
23
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parents: 18
diff changeset
343
70
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diff changeset
344 void DatabaseManager::StatementBase::SetQuery(Query* query)
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345 {
157
275e14f57f1e replacing deprecated std::auto_ptr by std::unique_ptr
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346 std::unique_ptr<Query> protection(query);
70
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347
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348 if (query_.get() != NULL)
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349 {
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350 LOG(ERROR) << "Cannot set twice a query";
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351 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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352 }
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parents: 67
diff changeset
353
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diff changeset
354 if (query == NULL)
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diff changeset
355 {
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diff changeset
356 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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357 }
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parents: 67
diff changeset
358
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parents: 67
diff changeset
359 query_.reset(protection.release());
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diff changeset
360 }
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parents: 67
diff changeset
361
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parents: 67
diff changeset
362
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parents: 67
diff changeset
363 void DatabaseManager::StatementBase::SetResult(IResult* result)
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parents: 67
diff changeset
364 {
157
275e14f57f1e replacing deprecated std::auto_ptr by std::unique_ptr
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parents: 152
diff changeset
365 std::unique_ptr<IResult> protection(result);
70
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
366
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parents: 67
diff changeset
367 if (result_.get() != NULL)
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parents: 67
diff changeset
368 {
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diff changeset
369 LOG(ERROR) << "Cannot execute twice a statement";
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parents: 67
diff changeset
370 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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parents: 67
diff changeset
371 }
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parents: 67
diff changeset
372
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
373 if (result == NULL)
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parents: 67
diff changeset
374 {
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
375 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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parents: 67
diff changeset
376 }
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parents: 67
diff changeset
377
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parents: 67
diff changeset
378 result_.reset(protection.release());
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parents: 67
diff changeset
379 }
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parents: 67
diff changeset
380
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diff changeset
381
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parents: 67
diff changeset
382 DatabaseManager::StatementBase::StatementBase(DatabaseManager& manager) :
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diff changeset
383 manager_(manager),
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diff changeset
384 transaction_(manager_.GetTransaction())
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parents: 67
diff changeset
385 {
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parents: 67
diff changeset
386 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
387
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
388
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
389 DatabaseManager::StatementBase::~StatementBase()
23
b2ff1cd2907a handling of implicit transactions in DatabaseManager
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parents: 18
diff changeset
390 {
b2ff1cd2907a handling of implicit transactions in DatabaseManager
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parents: 18
diff changeset
391 manager_.ReleaseImplicitTransaction();
b2ff1cd2907a handling of implicit transactions in DatabaseManager
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 18
diff changeset
392 }
70
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parents: 67
diff changeset
393
23
b2ff1cd2907a handling of implicit transactions in DatabaseManager
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 18
diff changeset
394
70
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parents: 67
diff changeset
395 void DatabaseManager::StatementBase::SetReadOnly(bool readOnly)
0
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parents:
diff changeset
396 {
7cea966b6829 initial commit
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parents:
diff changeset
397 if (query_.get() != NULL)
7cea966b6829 initial commit
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parents:
diff changeset
398 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
399 query_->SetReadOnly(readOnly);
7cea966b6829 initial commit
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parents:
diff changeset
400 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
401 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
402
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
403
70
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parents: 67
diff changeset
404 void DatabaseManager::StatementBase::SetParameterType(const std::string& parameter,
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
405 ValueType type)
0
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
406 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
407 if (query_.get() != NULL)
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
408 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
409 query_->SetType(parameter, type);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
410 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
411 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
412
70
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
413 bool DatabaseManager::StatementBase::IsDone() const
0
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
414 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
415 try
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
416 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
417 return GetResult().IsDone();
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
418 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
419 catch (Orthanc::OrthancException& e)
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
420 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
421 manager_.CloseIfUnavailable(e.GetErrorCode());
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
422 throw;
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
423 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
424 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
425
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
426
70
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
427 void DatabaseManager::StatementBase::Next()
0
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
428 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
429 try
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
430 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
431 GetResult().Next();
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parents:
diff changeset
432 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
433 catch (Orthanc::OrthancException& e)
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
434 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435 manager_.CloseIfUnavailable(e.GetErrorCode());
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
436 throw;
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
437 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
438 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
439
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
440
70
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diff changeset
441 size_t DatabaseManager::StatementBase::GetResultFieldsCount() const
0
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
442 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
443 try
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
444 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
445 return GetResult().GetFieldsCount();
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
446 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
447 catch (Orthanc::OrthancException& e)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
448 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
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449 manager_.CloseIfUnavailable(e.GetErrorCode());
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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450 throw;
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
451 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
452 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
453
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
454
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parents: 67
diff changeset
455 void DatabaseManager::StatementBase::SetResultFieldType(size_t field,
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diff changeset
456 ValueType type)
0
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parents:
diff changeset
457 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
458 try
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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459 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
460 if (!GetResult().IsDone())
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
461 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
462 GetResult().SetExpectedType(field, type);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
463 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
464 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
465 catch (Orthanc::OrthancException& e)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
466 {
7cea966b6829 initial commit
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parents:
diff changeset
467 manager_.CloseIfUnavailable(e.GetErrorCode());
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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468 throw;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
469 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
470 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
471
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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472
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473 const IValue& DatabaseManager::StatementBase::GetResultField(size_t index) const
0
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474 {
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
475 try
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476 {
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Sebastien Jodogne <s.jodogne@gmail.com>
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477 return GetResult().GetField(index);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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479 catch (Orthanc::OrthancException& e)
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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480 {
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481 manager_.CloseIfUnavailable(e.GetErrorCode());
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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482 throw;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483 }
70
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parents: 67
diff changeset
484 }
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parents: 67
diff changeset
485
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parents: 67
diff changeset
486
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487 DatabaseManager::CachedStatement::CachedStatement(const StatementLocation& location,
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488 DatabaseManager& manager,
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489 const std::string& sql) :
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490 StatementBase(manager),
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Sebastien Jodogne <s.jodogne@gmail.com>
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491 location_(location)
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parents: 67
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492 {
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493 statement_ = GetManager().LookupCachedStatement(location_);
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parents: 67
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494
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parents: 67
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495 if (statement_ == NULL)
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parents: 67
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496 {
e6c13ddd26d9 all integration tests passing with LookupResources extension
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497 SetQuery(new Query(sql));
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parents: 67
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498 }
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parents: 67
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499 else
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parents: 67
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500 {
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parents: 67
diff changeset
501 LOG(TRACE) << "Reusing cached statement from "
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502 << location_.GetFile() << ":" << location_.GetLine();
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parents: 67
diff changeset
503 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
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504 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
505
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parents: 67
diff changeset
506
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parents: 67
diff changeset
507 void DatabaseManager::CachedStatement::Execute(const Dictionary& parameters)
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parents: 67
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508 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
509 try
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
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510 {
157
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parents: 152
diff changeset
511 std::unique_ptr<Query> query(ReleaseQuery());
70
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parents: 67
diff changeset
512
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
513 if (query.get() != NULL)
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
514 {
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parents: 67
diff changeset
515 // Register the newly-created statement
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parents: 67
diff changeset
516 assert(statement_ == NULL);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
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517 statement_ = &GetManager().CacheStatement(location_, *query);
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parents: 67
diff changeset
518 }
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parents: 67
diff changeset
519
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
520 assert(statement_ != NULL);
116
569e17419eae test metrics
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parents: 70
diff changeset
521
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 70
diff changeset
522 /*
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parents: 70
diff changeset
523 TODO - Sample code to monitor the execution time of each
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 70
diff changeset
524 cached statement, and publish it as an Orthanc metrics
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parents: 70
diff changeset
525
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parents: 70
diff changeset
526 #if HAS_ORTHANC_PLUGIN_METRICS == 1
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parents: 70
diff changeset
527 std::string name = (std::string(location_.GetFile()) + "_" +
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parents: 70
diff changeset
528 boost::lexical_cast<std::string>(location_.GetLine()));
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 70
diff changeset
529 OrthancPlugins::MetricsTimer timer(name.c_str());
569e17419eae test metrics
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 70
diff changeset
530 #endif
569e17419eae test metrics
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parents: 70
diff changeset
531 */
569e17419eae test metrics
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parents: 70
diff changeset
532
70
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
533 SetResult(GetTransaction().Execute(*statement_, parameters));
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
534 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
535 catch (Orthanc::OrthancException& e)
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
536 {
e6c13ddd26d9 all integration tests passing with LookupResources extension
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parents: 67
diff changeset
537 GetManager().CloseIfUnavailable(e.GetErrorCode());
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
538 throw;
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
539 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
540 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
541
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
542
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
543 DatabaseManager::StandaloneStatement::StandaloneStatement(DatabaseManager& manager,
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
544 const std::string& sql) :
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
545 StatementBase(manager)
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
546 {
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
547 SetQuery(new Query(sql));
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
548 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
549
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
550
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
551 DatabaseManager::StandaloneStatement::~StandaloneStatement()
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
552 {
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
553 // The result must be removed before the statement, cf. (*)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
554 ClearResult();
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
555 statement_.reset();
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
556 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
557
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
558
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
559 void DatabaseManager::StandaloneStatement::Execute(const Dictionary& parameters)
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
560 {
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
561 try
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
562 {
157
275e14f57f1e replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 152
diff changeset
563 std::unique_ptr<Query> query(ReleaseQuery());
70
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
564 assert(query.get() != NULL);
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
565
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
566 // The "statement_" object must be kept as long as the "IResult"
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
567 // is not destroyed, as the "IResult" can make calls to the
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
568 // statement (this is the case for SQLite and MySQL) - (*)
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
569 statement_.reset(GetManager().GetDatabase().Compile(*query));
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
570 assert(statement_.get() != NULL);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
571
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
572 SetResult(GetTransaction().Execute(*statement_, parameters));
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
573 }
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
574 catch (Orthanc::OrthancException& e)
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
575 {
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
576 GetManager().CloseIfUnavailable(e.GetErrorCode());
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
577 throw;
e6c13ddd26d9 all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 67
diff changeset
578 }
0
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
579 }
7cea966b6829 initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
580 }