Mercurial > hg > orthanc
annotate Plugins/Samples/DatabasePlugin/Database.cpp @ 2108:68510b1c2433
Semaphore::Locker
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sat, 22 Oct 2016 18:22:18 +0200 |
| parents | b1291df2f780 |
| children | a3a65de1840f |
| rev | line source |
|---|---|
| 1671 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1671 | 4 * Department, University Hospital of Liege, Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "Database.h" | |
| 34 | |
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35 #include "../../../Core/DicomFormat/DicomArray.h" |
| 1671 | 36 |
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37 #include <EmbeddedResources.h> |
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38 #include <boost/lexical_cast.hpp> |
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39 |
| 1671 | 40 |
| 41 namespace Internals | |
| 42 { | |
| 43 class SignalFileDeleted : public Orthanc::SQLite::IScalarFunction | |
| 44 { | |
| 45 private: | |
| 46 OrthancPlugins::DatabaseBackendOutput& output_; | |
| 47 | |
| 48 public: | |
| 49 SignalFileDeleted(OrthancPlugins::DatabaseBackendOutput& output) : output_(output) | |
| 50 { | |
| 51 } | |
| 52 | |
| 53 virtual const char* GetName() const | |
| 54 { | |
| 55 return "SignalFileDeleted"; | |
| 56 } | |
| 57 | |
| 58 virtual unsigned int GetCardinality() const | |
| 59 { | |
| 60 return 7; | |
| 61 } | |
| 62 | |
| 63 virtual void Compute(Orthanc::SQLite::FunctionContext& context) | |
| 64 { | |
| 65 std::string uncompressedMD5, compressedMD5; | |
| 66 | |
| 67 if (!context.IsNullValue(5)) | |
| 68 { | |
| 69 uncompressedMD5 = context.GetStringValue(5); | |
| 70 } | |
| 71 | |
| 72 if (!context.IsNullValue(6)) | |
| 73 { | |
| 74 compressedMD5 = context.GetStringValue(6); | |
| 75 } | |
| 76 | |
| 77 output_.SignalDeletedAttachment(context.GetStringValue(0), | |
| 78 context.GetIntValue(1), | |
| 79 context.GetInt64Value(2), | |
| 80 uncompressedMD5, | |
| 81 context.GetIntValue(3), | |
| 82 context.GetInt64Value(4), | |
| 83 compressedMD5); | |
| 84 } | |
| 85 }; | |
| 86 | |
| 87 | |
| 88 class SignalResourceDeleted : public Orthanc::SQLite::IScalarFunction | |
| 89 { | |
| 90 private: | |
| 91 OrthancPlugins::DatabaseBackendOutput& output_; | |
| 92 | |
| 93 public: | |
| 94 SignalResourceDeleted(OrthancPlugins::DatabaseBackendOutput& output) : output_(output) | |
| 95 { | |
| 96 } | |
| 97 | |
| 98 virtual const char* GetName() const | |
| 99 { | |
| 100 return "SignalResourceDeleted"; | |
| 101 } | |
| 102 | |
| 103 virtual unsigned int GetCardinality() const | |
| 104 { | |
| 105 return 2; | |
| 106 } | |
| 107 | |
| 108 virtual void Compute(Orthanc::SQLite::FunctionContext& context) | |
| 109 { | |
| 110 output_.SignalDeletedResource(context.GetStringValue(0), | |
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111 Orthanc::Plugins::Convert(static_cast<Orthanc::ResourceType>(context.GetIntValue(1)))); |
| 1671 | 112 } |
| 113 }; | |
| 114 } | |
| 115 | |
| 116 | |
| 117 class Database::SignalRemainingAncestor : public Orthanc::SQLite::IScalarFunction | |
| 118 { | |
| 119 private: | |
| 120 bool hasRemainingAncestor_; | |
| 121 std::string remainingPublicId_; | |
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122 OrthancPluginResourceType remainingType_; |
| 1671 | 123 |
| 124 public: | |
| 125 SignalRemainingAncestor() : | |
| 1847 | 126 hasRemainingAncestor_(false), |
| 127 remainingType_(OrthancPluginResourceType_Instance) // Some dummy value | |
| 1671 | 128 { |
| 129 } | |
| 130 | |
| 131 void Reset() | |
| 132 { | |
| 133 hasRemainingAncestor_ = false; | |
| 134 } | |
| 135 | |
| 136 virtual const char* GetName() const | |
| 137 { | |
| 138 return "SignalRemainingAncestor"; | |
| 139 } | |
| 140 | |
| 141 virtual unsigned int GetCardinality() const | |
| 142 { | |
| 143 return 2; | |
| 144 } | |
| 145 | |
| 146 virtual void Compute(Orthanc::SQLite::FunctionContext& context) | |
| 147 { | |
| 148 if (!hasRemainingAncestor_ || | |
| 149 remainingType_ >= context.GetIntValue(1)) | |
| 150 { | |
| 151 hasRemainingAncestor_ = true; | |
| 152 remainingPublicId_ = context.GetStringValue(0); | |
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153 remainingType_ = Orthanc::Plugins::Convert(static_cast<Orthanc::ResourceType>(context.GetIntValue(1))); |
| 1671 | 154 } |
| 155 } | |
| 156 | |
| 157 bool HasRemainingAncestor() const | |
| 158 { | |
| 159 return hasRemainingAncestor_; | |
| 160 } | |
| 161 | |
| 162 const std::string& GetRemainingAncestorId() const | |
| 163 { | |
| 164 assert(hasRemainingAncestor_); | |
| 165 return remainingPublicId_; | |
| 166 } | |
| 167 | |
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168 OrthancPluginResourceType GetRemainingAncestorType() const |
| 1671 | 169 { |
| 170 assert(hasRemainingAncestor_); | |
| 171 return remainingType_; | |
| 172 } | |
| 173 }; | |
| 174 | |
| 175 | |
| 176 | |
| 177 Database::Database(const std::string& path) : | |
| 178 path_(path), | |
| 1847 | 179 base_(db_), |
| 180 signalRemainingAncestor_(NULL) | |
| 1671 | 181 { |
| 182 } | |
| 183 | |
| 184 | |
| 185 void Database::Open() | |
| 186 { | |
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187 db_.Open(path_); |
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188 |
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189 db_.Execute("PRAGMA ENCODING=\"UTF-8\";"); |
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190 |
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191 // http://www.sqlite.org/pragma.html |
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192 db_.Execute("PRAGMA SYNCHRONOUS=NORMAL;"); |
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193 db_.Execute("PRAGMA JOURNAL_MODE=WAL;"); |
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194 db_.Execute("PRAGMA LOCKING_MODE=EXCLUSIVE;"); |
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195 db_.Execute("PRAGMA WAL_AUTOCHECKPOINT=1000;"); |
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196 //db_.Execute("PRAGMA TEMP_STORE=memory"); |
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197 |
| 1671 | 198 if (!db_.DoesTableExist("GlobalProperties")) |
| 199 { | |
| 200 std::string query; | |
| 201 Orthanc::EmbeddedResources::GetFileResource(query, Orthanc::EmbeddedResources::PREPARE_DATABASE); | |
| 202 db_.Execute(query); | |
| 203 } | |
| 204 | |
| 205 signalRemainingAncestor_ = new SignalRemainingAncestor; | |
| 206 db_.Register(signalRemainingAncestor_); | |
| 207 db_.Register(new Internals::SignalFileDeleted(GetOutput())); | |
| 208 db_.Register(new Internals::SignalResourceDeleted(GetOutput())); | |
| 209 } | |
| 210 | |
| 211 | |
| 212 void Database::Close() | |
| 213 { | |
| 214 db_.Close(); | |
| 215 } | |
| 216 | |
| 217 | |
| 218 void Database::AddAttachment(int64_t id, | |
| 219 const OrthancPluginAttachment& attachment) | |
| 220 { | |
| 221 Orthanc::FileInfo info(attachment.uuid, | |
| 222 static_cast<Orthanc::FileContentType>(attachment.contentType), | |
| 223 attachment.uncompressedSize, | |
| 224 attachment.uncompressedHash, | |
| 225 static_cast<Orthanc::CompressionType>(attachment.compressionType), | |
| 226 attachment.compressedSize, | |
| 227 attachment.compressedHash); | |
| 228 base_.AddAttachment(id, info); | |
| 229 } | |
| 230 | |
| 231 | |
| 232 void Database::DeleteResource(int64_t id) | |
| 233 { | |
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234 signalRemainingAncestor_->Reset(); |
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235 |
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236 Orthanc::SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM Resources WHERE internalId=?"); |
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237 s.BindInt64(0, id); |
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238 s.Run(); |
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239 |
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240 if (signalRemainingAncestor_->HasRemainingAncestor()) |
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241 { |
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242 GetOutput().SignalRemainingAncestor(signalRemainingAncestor_->GetRemainingAncestorId(), |
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243 signalRemainingAncestor_->GetRemainingAncestorType()); |
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244 } |
| 1671 | 245 } |
| 246 | |
| 247 | |
| 248 static void Answer(OrthancPlugins::DatabaseBackendOutput& output, | |
| 249 const Orthanc::ServerIndexChange& change) | |
| 250 { | |
| 251 output.AnswerChange(change.GetSeq(), | |
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252 change.GetChangeType(), |
| 1671 | 253 Orthanc::Plugins::Convert(change.GetResourceType()), |
| 254 change.GetPublicId(), | |
| 255 change.GetDate()); | |
| 256 } | |
| 257 | |
| 258 | |
| 259 static void Answer(OrthancPlugins::DatabaseBackendOutput& output, | |
| 260 const Orthanc::ExportedResource& resource) | |
| 261 { | |
| 262 output.AnswerExportedResource(resource.GetSeq(), | |
| 263 Orthanc::Plugins::Convert(resource.GetResourceType()), | |
| 264 resource.GetPublicId(), | |
| 265 resource.GetModality(), | |
| 266 resource.GetDate(), | |
| 267 resource.GetPatientId(), | |
| 268 resource.GetStudyInstanceUid(), | |
| 269 resource.GetSeriesInstanceUid(), | |
| 270 resource.GetSopInstanceUid()); | |
| 271 } | |
| 272 | |
| 273 | |
| 274 void Database::GetChanges(bool& done /*out*/, | |
| 275 int64_t since, | |
| 276 uint32_t maxResults) | |
| 277 { | |
| 278 typedef std::list<Orthanc::ServerIndexChange> Changes; | |
| 279 | |
| 280 Changes changes; | |
| 281 base_.GetChanges(changes, done, since, maxResults); | |
| 282 | |
| 283 for (Changes::const_iterator it = changes.begin(); it != changes.end(); ++it) | |
| 284 { | |
| 285 Answer(GetOutput(), *it); | |
| 286 } | |
| 287 } | |
| 288 | |
| 289 | |
| 290 void Database::GetExportedResources(bool& done /*out*/, | |
| 291 int64_t since, | |
| 292 uint32_t maxResults) | |
| 293 { | |
| 294 typedef std::list<Orthanc::ExportedResource> Resources; | |
| 295 | |
| 296 Resources resources; | |
| 297 base_.GetExportedResources(resources, done, since, maxResults); | |
| 298 | |
| 299 for (Resources::const_iterator it = resources.begin(); it != resources.end(); ++it) | |
| 300 { | |
| 301 Answer(GetOutput(), *it); | |
| 302 } | |
| 303 } | |
| 304 | |
| 305 | |
| 306 void Database::GetLastChange() | |
| 307 { | |
| 308 std::list<Orthanc::ServerIndexChange> change; | |
| 309 Orthanc::ErrorCode code = base_.GetLastChange(change); | |
| 310 | |
| 311 if (code != Orthanc::ErrorCode_Success) | |
| 312 { | |
| 313 throw OrthancPlugins::DatabaseException(static_cast<OrthancPluginErrorCode>(code)); | |
| 314 } | |
| 315 | |
| 316 if (!change.empty()) | |
| 317 { | |
| 318 Answer(GetOutput(), change.front()); | |
| 319 } | |
| 320 } | |
| 321 | |
| 322 | |
| 323 void Database::GetLastExportedResource() | |
| 324 { | |
| 325 std::list<Orthanc::ExportedResource> resource; | |
| 326 base_.GetLastExportedResource(resource); | |
| 327 | |
| 328 if (!resource.empty()) | |
| 329 { | |
| 330 Answer(GetOutput(), resource.front()); | |
| 331 } | |
| 332 } | |
| 333 | |
| 334 | |
| 335 void Database::GetMainDicomTags(int64_t id) | |
| 336 { | |
| 337 Orthanc::DicomMap tags; | |
| 338 base_.GetMainDicomTags(tags, id); | |
| 339 | |
| 340 Orthanc::DicomArray arr(tags); | |
| 341 for (size_t i = 0; i < arr.GetSize(); i++) | |
| 342 { | |
| 343 GetOutput().AnswerDicomTag(arr.GetElement(i).GetTag().GetGroup(), | |
| 344 arr.GetElement(i).GetTag().GetElement(), | |
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345 arr.GetElement(i).GetValue().GetContent()); |
| 1671 | 346 } |
| 347 } | |
| 348 | |
| 349 | |
| 350 std::string Database::GetPublicId(int64_t resourceId) | |
| 351 { | |
| 352 std::string id; | |
| 353 if (base_.GetPublicId(id, resourceId)) | |
| 354 { | |
| 355 return id; | |
| 356 } | |
| 357 else | |
| 358 { | |
| 359 throw OrthancPlugins::DatabaseException(OrthancPluginErrorCode_UnknownResource); | |
| 360 } | |
| 361 } | |
| 362 | |
| 363 | |
| 364 OrthancPluginResourceType Database::GetResourceType(int64_t resourceId) | |
| 365 { | |
| 366 Orthanc::ResourceType result; | |
| 367 Orthanc::ErrorCode code = base_.GetResourceType(result, resourceId); | |
| 368 | |
| 369 if (code == Orthanc::ErrorCode_Success) | |
| 370 { | |
| 371 return Orthanc::Plugins::Convert(result); | |
| 372 } | |
| 373 else | |
| 374 { | |
| 375 throw OrthancPlugins::DatabaseException(static_cast<OrthancPluginErrorCode>(code)); | |
| 376 } | |
| 377 } | |
| 378 | |
| 379 | |
| 380 | |
| 381 template <typename I> | |
| 382 static void ConvertList(std::list<int32_t>& target, | |
| 383 const std::list<I>& source) | |
| 384 { | |
| 385 for (typename std::list<I>::const_iterator | |
| 1847 | 386 it = source.begin(); it != source.end(); ++it) |
| 1671 | 387 { |
| 388 target.push_back(*it); | |
| 389 } | |
| 390 } | |
| 391 | |
| 392 | |
| 393 void Database::ListAvailableMetadata(std::list<int32_t>& target /*out*/, | |
| 394 int64_t id) | |
| 395 { | |
| 396 std::list<Orthanc::MetadataType> tmp; | |
| 397 base_.ListAvailableMetadata(tmp, id); | |
| 398 ConvertList(target, tmp); | |
| 399 } | |
| 400 | |
| 401 | |
| 402 void Database::ListAvailableAttachments(std::list<int32_t>& target /*out*/, | |
| 403 int64_t id) | |
| 404 { | |
| 405 std::list<Orthanc::FileContentType> tmp; | |
| 406 base_.ListAvailableAttachments(tmp, id); | |
| 407 ConvertList(target, tmp); | |
| 408 } | |
| 409 | |
| 410 | |
| 411 void Database::LogChange(const OrthancPluginChange& change) | |
| 412 { | |
| 413 int64_t id; | |
| 414 OrthancPluginResourceType type; | |
| 415 if (!LookupResource(id, type, change.publicId) || | |
| 416 type != change.resourceType) | |
| 417 { | |
| 418 throw OrthancPlugins::DatabaseException(OrthancPluginErrorCode_DatabasePlugin); | |
| 419 } | |
| 420 | |
| 421 Orthanc::ServerIndexChange tmp(change.seq, | |
| 422 static_cast<Orthanc::ChangeType>(change.changeType), | |
| 423 Orthanc::Plugins::Convert(change.resourceType), | |
| 424 change.publicId, | |
| 425 change.date); | |
| 426 | |
| 427 base_.LogChange(id, tmp); | |
| 428 } | |
| 429 | |
| 430 | |
| 431 void Database::LogExportedResource(const OrthancPluginExportedResource& resource) | |
| 432 { | |
| 433 Orthanc::ExportedResource tmp(resource.seq, | |
| 434 Orthanc::Plugins::Convert(resource.resourceType), | |
| 435 resource.publicId, | |
| 436 resource.modality, | |
| 437 resource.date, | |
| 438 resource.patientId, | |
| 439 resource.studyInstanceUid, | |
| 440 resource.seriesInstanceUid, | |
| 441 resource.sopInstanceUid); | |
| 442 | |
| 443 base_.LogExportedResource(tmp); | |
| 444 } | |
| 445 | |
| 446 | |
| 447 bool Database::LookupAttachment(int64_t id, | |
| 448 int32_t contentType) | |
| 449 { | |
| 450 Orthanc::FileInfo attachment; | |
| 451 if (base_.LookupAttachment(attachment, id, static_cast<Orthanc::FileContentType>(contentType))) | |
| 452 { | |
| 453 GetOutput().AnswerAttachment(attachment.GetUuid(), | |
| 454 attachment.GetContentType(), | |
| 455 attachment.GetUncompressedSize(), | |
| 456 attachment.GetUncompressedMD5(), | |
| 457 attachment.GetCompressionType(), | |
| 458 attachment.GetCompressedSize(), | |
| 459 attachment.GetCompressedMD5()); | |
| 460 return true; | |
| 461 } | |
| 462 else | |
| 463 { | |
| 464 return false; | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 | |
| 469 bool Database::LookupParent(int64_t& parentId /*out*/, | |
| 470 int64_t resourceId) | |
| 471 { | |
| 472 bool found; | |
| 473 Orthanc::ErrorCode code = base_.LookupParent(found, parentId, resourceId); | |
| 474 | |
| 475 if (code == Orthanc::ErrorCode_Success) | |
| 476 { | |
| 477 return found; | |
| 478 } | |
| 479 else | |
| 480 { | |
| 481 throw OrthancPlugins::DatabaseException(static_cast<OrthancPluginErrorCode>(code)); | |
| 482 } | |
| 483 } | |
| 484 | |
| 485 | |
| 486 bool Database::LookupResource(int64_t& id /*out*/, | |
| 487 OrthancPluginResourceType& type /*out*/, | |
| 488 const char* publicId) | |
| 489 { | |
| 490 Orthanc::ResourceType tmp; | |
| 491 if (base_.LookupResource(id, tmp, publicId)) | |
| 492 { | |
| 493 type = Orthanc::Plugins::Convert(tmp); | |
| 494 return true; | |
| 495 } | |
| 496 else | |
| 497 { | |
| 498 return false; | |
| 499 } | |
| 500 } | |
| 501 | |
| 502 | |
| 503 void Database::StartTransaction() | |
| 504 { | |
| 505 transaction_.reset(new Orthanc::SQLite::Transaction(db_)); | |
| 506 transaction_->Begin(); | |
| 507 } | |
| 508 | |
| 509 | |
| 510 void Database::RollbackTransaction() | |
| 511 { | |
| 512 transaction_->Rollback(); | |
| 513 transaction_.reset(NULL); | |
| 514 } | |
| 515 | |
| 516 | |
| 517 void Database::CommitTransaction() | |
| 518 { | |
| 519 transaction_->Commit(); | |
| 520 transaction_.reset(NULL); | |
| 521 } | |
| 522 | |
| 523 | |
| 524 uint32_t Database::GetDatabaseVersion() | |
| 525 { | |
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526 std::string version; |
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527 |
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528 if (!LookupGlobalProperty(version, Orthanc::GlobalProperty_DatabaseSchemaVersion)) |
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529 { |
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530 throw OrthancPlugins::DatabaseException(OrthancPluginErrorCode_InternalError); |
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531 } |
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532 |
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533 try |
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534 { |
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535 return boost::lexical_cast<uint32_t>(version); |
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536 } |
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537 catch (boost::bad_lexical_cast&) |
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538 { |
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539 throw OrthancPlugins::DatabaseException(OrthancPluginErrorCode_InternalError); |
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540 } |
| 1671 | 541 } |
| 542 | |
| 543 | |
| 544 void Database::UpgradeDatabase(uint32_t targetVersion, | |
| 545 OrthancPluginStorageArea* storageArea) | |
| 546 { | |
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547 if (targetVersion == 6) |
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548 { |
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549 OrthancPluginErrorCode code = OrthancPluginReconstructMainDicomTags(GetOutput().GetContext(), storageArea, |
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550 OrthancPluginResourceType_Study); |
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551 if (code == OrthancPluginErrorCode_Success) |
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552 { |
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553 code = OrthancPluginReconstructMainDicomTags(GetOutput().GetContext(), storageArea, |
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554 OrthancPluginResourceType_Series); |
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555 } |
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556 |
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557 if (code != OrthancPluginErrorCode_Success) |
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558 { |
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559 throw OrthancPlugins::DatabaseException(code); |
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560 } |
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561 |
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562 base_.SetGlobalProperty(Orthanc::GlobalProperty_DatabaseSchemaVersion, "6"); |
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563 } |
| 1671 | 564 } |