Mercurial > hg > orthanc
view OrthancServer/DatabaseWrapper.cpp @ 3026:c358bdb37c13
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author | amazy |
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date | Tue, 18 Dec 2018 12:07:52 +0100 |
parents | bbfd95a0c429 |
children | 4e43e67f8ecf |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2018 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "PrecompiledHeadersServer.h" #include "DatabaseWrapper.h" #include "../Core/DicomFormat/DicomArray.h" #include "../Core/Logging.h" #include "EmbeddedResources.h" #include "ServerToolbox.h" #include <stdio.h> #include <boost/lexical_cast.hpp> namespace Orthanc { namespace Internals { class SignalFileDeleted : public SQLite::IScalarFunction { private: IDatabaseListener& listener_; public: SignalFileDeleted(IDatabaseListener& listener) : listener_(listener) { } virtual const char* GetName() const { return "SignalFileDeleted"; } virtual unsigned int GetCardinality() const { return 7; } virtual void Compute(SQLite::FunctionContext& context) { std::string uncompressedMD5, compressedMD5; if (!context.IsNullValue(5)) { uncompressedMD5 = context.GetStringValue(5); } if (!context.IsNullValue(6)) { compressedMD5 = context.GetStringValue(6); } FileInfo info(context.GetStringValue(0), static_cast<FileContentType>(context.GetIntValue(1)), static_cast<uint64_t>(context.GetInt64Value(2)), uncompressedMD5, static_cast<CompressionType>(context.GetIntValue(3)), static_cast<uint64_t>(context.GetInt64Value(4)), compressedMD5); listener_.SignalFileDeleted(info); } }; class SignalResourceDeleted : public SQLite::IScalarFunction { private: IDatabaseListener& listener_; public: SignalResourceDeleted(IDatabaseListener& listener) : listener_(listener) { } virtual const char* GetName() const { return "SignalResourceDeleted"; } virtual unsigned int GetCardinality() const { return 2; } virtual void Compute(SQLite::FunctionContext& context) { ResourceType type = static_cast<ResourceType>(context.GetIntValue(1)); ServerIndexChange change(ChangeType_Deleted, type, context.GetStringValue(0)); listener_.SignalChange(change); } }; class SignalRemainingAncestor : public SQLite::IScalarFunction { private: bool hasRemainingAncestor_; std::string remainingPublicId_; ResourceType remainingType_; public: SignalRemainingAncestor() : hasRemainingAncestor_(false) { } void Reset() { hasRemainingAncestor_ = false; } virtual const char* GetName() const { return "SignalRemainingAncestor"; } virtual unsigned int GetCardinality() const { return 2; } virtual void Compute(SQLite::FunctionContext& context) { VLOG(1) << "There exists a remaining ancestor with public ID \"" << context.GetStringValue(0) << "\" of type " << context.GetIntValue(1); if (!hasRemainingAncestor_ || remainingType_ >= context.GetIntValue(1)) { hasRemainingAncestor_ = true; remainingPublicId_ = context.GetStringValue(0); remainingType_ = static_cast<ResourceType>(context.GetIntValue(1)); } } bool HasRemainingAncestor() const { return hasRemainingAncestor_; } const std::string& GetRemainingAncestorId() const { assert(hasRemainingAncestor_); return remainingPublicId_; } ResourceType GetRemainingAncestorType() const { assert(hasRemainingAncestor_); return remainingType_; } }; } void DatabaseWrapper::GetChangesInternal(std::list<ServerIndexChange>& target, bool& done, SQLite::Statement& s, uint32_t maxResults) { target.clear(); while (target.size() < maxResults && s.Step()) { int64_t seq = s.ColumnInt64(0); ChangeType changeType = static_cast<ChangeType>(s.ColumnInt(1)); ResourceType resourceType = static_cast<ResourceType>(s.ColumnInt(3)); const std::string& date = s.ColumnString(4); int64_t internalId = s.ColumnInt64(2); std::string publicId = GetPublicId(internalId); target.push_back(ServerIndexChange(seq, changeType, resourceType, publicId, date)); } done = !(target.size() == maxResults && s.Step()); } void DatabaseWrapper::GetExportedResourcesInternal(std::list<ExportedResource>& target, bool& done, SQLite::Statement& s, uint32_t maxResults) { target.clear(); while (target.size() < maxResults && s.Step()) { int64_t seq = s.ColumnInt64(0); ResourceType resourceType = static_cast<ResourceType>(s.ColumnInt(1)); std::string publicId = s.ColumnString(2); ExportedResource resource(seq, resourceType, publicId, s.ColumnString(3), // modality s.ColumnString(8), // date s.ColumnString(4), // patient ID s.ColumnString(5), // study instance UID s.ColumnString(6), // series instance UID s.ColumnString(7)); // sop instance UID target.push_back(resource); } done = !(target.size() == maxResults && s.Step()); } void DatabaseWrapper::GetChildren(std::list<std::string>& childrenPublicIds, int64_t id) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT publicId FROM Resources WHERE parentId=?"); s.BindInt64(0, id); childrenPublicIds.clear(); while (s.Step()) { childrenPublicIds.push_back(s.ColumnString(0)); } } void DatabaseWrapper::DeleteResource(int64_t id) { signalRemainingAncestor_->Reset(); SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM Resources WHERE internalId=?"); s.BindInt64(0, id); s.Run(); if (signalRemainingAncestor_->HasRemainingAncestor() && listener_ != NULL) { listener_->SignalRemainingAncestor(signalRemainingAncestor_->GetRemainingAncestorType(), signalRemainingAncestor_->GetRemainingAncestorId()); } } bool DatabaseWrapper::GetParentPublicId(std::string& target, int64_t id) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT a.publicId FROM Resources AS a, Resources AS b " "WHERE a.internalId = b.parentId AND b.internalId = ?"); s.BindInt64(0, id); if (s.Step()) { target = s.ColumnString(0); return true; } else { return false; } } int64_t DatabaseWrapper::GetTableRecordCount(const std::string& table) { char buf[128]; sprintf(buf, "SELECT COUNT(*) FROM %s", table.c_str()); SQLite::Statement s(db_, buf); if (!s.Step()) { throw OrthancException(ErrorCode_InternalError); } int64_t c = s.ColumnInt(0); assert(!s.Step()); return c; } DatabaseWrapper::DatabaseWrapper(const std::string& path) : listener_(NULL), signalRemainingAncestor_(NULL), version_(0) { db_.Open(path); } DatabaseWrapper::DatabaseWrapper() : listener_(NULL), signalRemainingAncestor_(NULL), version_(0) { db_.OpenInMemory(); } void DatabaseWrapper::Open() { db_.Execute("PRAGMA ENCODING=\"UTF-8\";"); // Performance tuning of SQLite with PRAGMAs // http://www.sqlite.org/pragma.html db_.Execute("PRAGMA SYNCHRONOUS=NORMAL;"); db_.Execute("PRAGMA JOURNAL_MODE=WAL;"); db_.Execute("PRAGMA LOCKING_MODE=EXCLUSIVE;"); db_.Execute("PRAGMA WAL_AUTOCHECKPOINT=1000;"); //db_.Execute("PRAGMA TEMP_STORE=memory"); if (!db_.DoesTableExist("GlobalProperties")) { LOG(INFO) << "Creating the database"; std::string query; EmbeddedResources::GetFileResource(query, EmbeddedResources::PREPARE_DATABASE); db_.Execute(query); } // Check the version of the database std::string tmp; if (!LookupGlobalProperty(tmp, GlobalProperty_DatabaseSchemaVersion)) { tmp = "Unknown"; } bool ok = false; try { LOG(INFO) << "Version of the Orthanc database: " << tmp; version_ = boost::lexical_cast<unsigned int>(tmp); ok = true; } catch (boost::bad_lexical_cast&) { } if (!ok) { throw OrthancException(ErrorCode_IncompatibleDatabaseVersion, "Incompatible version of the Orthanc database: " + tmp); } signalRemainingAncestor_ = new Internals::SignalRemainingAncestor; db_.Register(signalRemainingAncestor_); } static void ExecuteUpgradeScript(SQLite::Connection& db, EmbeddedResources::FileResourceId script) { std::string upgrade; EmbeddedResources::GetFileResource(upgrade, script); db.BeginTransaction(); db.Execute(upgrade); db.CommitTransaction(); } void DatabaseWrapper::Upgrade(unsigned int targetVersion, IStorageArea& storageArea) { if (targetVersion != 6) { throw OrthancException(ErrorCode_IncompatibleDatabaseVersion); } // This version of Orthanc is only compatible with versions 3, 4, // 5 and 6 of the DB schema if (version_ != 3 && version_ != 4 && version_ != 5 && version_ != 6) { throw OrthancException(ErrorCode_IncompatibleDatabaseVersion); } if (version_ == 3) { LOG(WARNING) << "Upgrading database version from 3 to 4"; ExecuteUpgradeScript(db_, EmbeddedResources::UPGRADE_DATABASE_3_TO_4); version_ = 4; } if (version_ == 4) { LOG(WARNING) << "Upgrading database version from 4 to 5"; ExecuteUpgradeScript(db_, EmbeddedResources::UPGRADE_DATABASE_4_TO_5); version_ = 5; } if (version_ == 5) { LOG(WARNING) << "Upgrading database version from 5 to 6"; // No change in the DB schema, the step from version 5 to 6 only // consists in reconstructing the main DICOM tags information // (as more tags got included). db_.BeginTransaction(); ServerToolbox::ReconstructMainDicomTags(*this, storageArea, ResourceType_Patient); ServerToolbox::ReconstructMainDicomTags(*this, storageArea, ResourceType_Study); ServerToolbox::ReconstructMainDicomTags(*this, storageArea, ResourceType_Series); ServerToolbox::ReconstructMainDicomTags(*this, storageArea, ResourceType_Instance); db_.Execute("UPDATE GlobalProperties SET value=\"6\" WHERE property=" + boost::lexical_cast<std::string>(GlobalProperty_DatabaseSchemaVersion) + ";"); db_.CommitTransaction(); version_ = 6; } } void DatabaseWrapper::SetListener(IDatabaseListener& listener) { listener_ = &listener; db_.Register(new Internals::SignalFileDeleted(listener)); db_.Register(new Internals::SignalResourceDeleted(listener)); } void DatabaseWrapper::ClearTable(const std::string& tableName) { db_.Execute("DELETE FROM " + tableName); } bool DatabaseWrapper::LookupParent(int64_t& parentId, int64_t resourceId) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT parentId FROM Resources WHERE internalId=?"); s.BindInt64(0, resourceId); if (!s.Step()) { throw OrthancException(ErrorCode_UnknownResource); } if (s.ColumnIsNull(0)) { return false; } else { parentId = s.ColumnInt(0); return true; } } ResourceType DatabaseWrapper::GetResourceType(int64_t resourceId) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT resourceType FROM Resources WHERE internalId=?"); s.BindInt64(0, resourceId); if (s.Step()) { return static_cast<ResourceType>(s.ColumnInt(0)); } else { throw OrthancException(ErrorCode_UnknownResource); } } std::string DatabaseWrapper::GetPublicId(int64_t resourceId) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT publicId FROM Resources WHERE internalId=?"); s.BindInt64(0, resourceId); if (s.Step()) { return s.ColumnString(0); } else { throw OrthancException(ErrorCode_UnknownResource); } } void DatabaseWrapper::GetChanges(std::list<ServerIndexChange>& target /*out*/, bool& done /*out*/, int64_t since, uint32_t maxResults) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM Changes WHERE seq>? ORDER BY seq LIMIT ?"); s.BindInt64(0, since); s.BindInt(1, maxResults + 1); GetChangesInternal(target, done, s, maxResults); } void DatabaseWrapper::GetLastChange(std::list<ServerIndexChange>& target /*out*/) { bool done; // Ignored SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM Changes ORDER BY seq DESC LIMIT 1"); GetChangesInternal(target, done, s, 1); } void DatabaseWrapper::GetAllMetadata(std::map<MetadataType, std::string>& target, int64_t id) { target.clear(); SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT type, value FROM Metadata WHERE id=?"); s.BindInt64(0, id); while (s.Step()) { MetadataType key = static_cast<MetadataType>(s.ColumnInt(0)); target[key] = s.ColumnString(1); } } void DatabaseWrapper::SetGlobalProperty(GlobalProperty property, const std::string& value) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT OR REPLACE INTO GlobalProperties VALUES(?, ?)"); s.BindInt(0, property); s.BindString(1, value); s.Run(); } bool DatabaseWrapper::LookupGlobalProperty(std::string& target, GlobalProperty property) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT value FROM GlobalProperties WHERE property=?"); s.BindInt(0, property); if (!s.Step()) { return false; } else { target = s.ColumnString(0); return true; } } int64_t DatabaseWrapper::CreateResource(const std::string& publicId, ResourceType type) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO Resources VALUES(NULL, ?, ?, NULL)"); s.BindInt(0, type); s.BindString(1, publicId); s.Run(); return db_.GetLastInsertRowId(); } bool DatabaseWrapper::LookupResource(int64_t& id, ResourceType& type, const std::string& publicId) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT internalId, resourceType FROM Resources WHERE publicId=?"); s.BindString(0, publicId); if (!s.Step()) { return false; } else { id = s.ColumnInt(0); type = static_cast<ResourceType>(s.ColumnInt(1)); // Check whether there is a single resource with this public id assert(!s.Step()); return true; } } void DatabaseWrapper::AttachChild(int64_t parent, int64_t child) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "UPDATE Resources SET parentId = ? WHERE internalId = ?"); s.BindInt64(0, parent); s.BindInt64(1, child); s.Run(); } void DatabaseWrapper::SetMetadata(int64_t id, MetadataType type, const std::string& value) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT OR REPLACE INTO Metadata VALUES(?, ?, ?)"); s.BindInt64(0, id); s.BindInt(1, type); s.BindString(2, value); s.Run(); } void DatabaseWrapper::DeleteMetadata(int64_t id, MetadataType type) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM Metadata WHERE id=? and type=?"); s.BindInt64(0, id); s.BindInt(1, type); s.Run(); } bool DatabaseWrapper::LookupMetadata(std::string& target, int64_t id, MetadataType type) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT value FROM Metadata WHERE id=? AND type=?"); s.BindInt64(0, id); s.BindInt(1, type); if (!s.Step()) { return false; } else { target = s.ColumnString(0); return true; } } void DatabaseWrapper::ListAvailableMetadata(std::list<MetadataType>& target, int64_t id) { target.clear(); SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT type FROM Metadata WHERE id=?"); s.BindInt64(0, id); while (s.Step()) { target.push_back(static_cast<MetadataType>(s.ColumnInt(0))); } } void DatabaseWrapper::AddAttachment(int64_t id, const FileInfo& attachment) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO AttachedFiles VALUES(?, ?, ?, ?, ?, ?, ?, ?)"); s.BindInt64(0, id); s.BindInt(1, attachment.GetContentType()); s.BindString(2, attachment.GetUuid()); s.BindInt64(3, attachment.GetCompressedSize()); s.BindInt64(4, attachment.GetUncompressedSize()); s.BindInt(5, attachment.GetCompressionType()); s.BindString(6, attachment.GetUncompressedMD5()); s.BindString(7, attachment.GetCompressedMD5()); s.Run(); } void DatabaseWrapper::DeleteAttachment(int64_t id, FileContentType attachment) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM AttachedFiles WHERE id=? AND fileType=?"); s.BindInt64(0, id); s.BindInt(1, attachment); s.Run(); } void DatabaseWrapper::ListAvailableAttachments(std::list<FileContentType>& target, int64_t id) { target.clear(); SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT fileType FROM AttachedFiles WHERE id=?"); s.BindInt64(0, id); while (s.Step()) { target.push_back(static_cast<FileContentType>(s.ColumnInt(0))); } } bool DatabaseWrapper::LookupAttachment(FileInfo& attachment, int64_t id, FileContentType contentType) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT uuid, uncompressedSize, compressionType, compressedSize, " "uncompressedMD5, compressedMD5 FROM AttachedFiles WHERE id=? AND fileType=?"); s.BindInt64(0, id); s.BindInt(1, contentType); if (!s.Step()) { return false; } else { attachment = FileInfo(s.ColumnString(0), contentType, s.ColumnInt64(1), s.ColumnString(4), static_cast<CompressionType>(s.ColumnInt(2)), s.ColumnInt64(3), s.ColumnString(5)); return true; } } void DatabaseWrapper::ClearMainDicomTags(int64_t id) { { SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM DicomIdentifiers WHERE id=?"); s.BindInt64(0, id); s.Run(); } { SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM MainDicomTags WHERE id=?"); s.BindInt64(0, id); s.Run(); } } void DatabaseWrapper::SetMainDicomTag(int64_t id, const DicomTag& tag, const std::string& value) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO MainDicomTags VALUES(?, ?, ?, ?)"); s.BindInt64(0, id); s.BindInt(1, tag.GetGroup()); s.BindInt(2, tag.GetElement()); s.BindString(3, value); s.Run(); } void DatabaseWrapper::SetIdentifierTag(int64_t id, const DicomTag& tag, const std::string& value) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO DicomIdentifiers VALUES(?, ?, ?, ?)"); s.BindInt64(0, id); s.BindInt(1, tag.GetGroup()); s.BindInt(2, tag.GetElement()); s.BindString(3, value); s.Run(); } void DatabaseWrapper::GetMainDicomTags(DicomMap& map, int64_t id) { map.Clear(); SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM MainDicomTags WHERE id=?"); s.BindInt64(0, id); while (s.Step()) { map.SetValue(s.ColumnInt(1), s.ColumnInt(2), s.ColumnString(3), false); } } void DatabaseWrapper::GetChildrenPublicId(std::list<std::string>& target, int64_t id) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT a.publicId FROM Resources AS a, Resources AS b " "WHERE a.parentId = b.internalId AND b.internalId = ?"); s.BindInt64(0, id); target.clear(); while (s.Step()) { target.push_back(s.ColumnString(0)); } } void DatabaseWrapper::GetChildrenInternalId(std::list<int64_t>& target, int64_t id) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT a.internalId FROM Resources AS a, Resources AS b " "WHERE a.parentId = b.internalId AND b.internalId = ?"); s.BindInt64(0, id); target.clear(); while (s.Step()) { target.push_back(s.ColumnInt64(0)); } } void DatabaseWrapper::LogChange(int64_t internalId, const ServerIndexChange& change) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO Changes VALUES(NULL, ?, ?, ?, ?)"); s.BindInt(0, change.GetChangeType()); s.BindInt64(1, internalId); s.BindInt(2, change.GetResourceType()); s.BindString(3, change.GetDate()); s.Run(); } void DatabaseWrapper::LogExportedResource(const ExportedResource& resource) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO ExportedResources VALUES(NULL, ?, ?, ?, ?, ?, ?, ?, ?)"); s.BindInt(0, resource.GetResourceType()); s.BindString(1, resource.GetPublicId()); s.BindString(2, resource.GetModality()); s.BindString(3, resource.GetPatientId()); s.BindString(4, resource.GetStudyInstanceUid()); s.BindString(5, resource.GetSeriesInstanceUid()); s.BindString(6, resource.GetSopInstanceUid()); s.BindString(7, resource.GetDate()); s.Run(); } void DatabaseWrapper::GetExportedResources(std::list<ExportedResource>& target, bool& done, int64_t since, uint32_t maxResults) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM ExportedResources WHERE seq>? ORDER BY seq LIMIT ?"); s.BindInt64(0, since); s.BindInt(1, maxResults + 1); GetExportedResourcesInternal(target, done, s, maxResults); } void DatabaseWrapper::GetLastExportedResource(std::list<ExportedResource>& target) { bool done; // Ignored SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM ExportedResources ORDER BY seq DESC LIMIT 1"); GetExportedResourcesInternal(target, done, s, 1); } uint64_t DatabaseWrapper::GetTotalCompressedSize() { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT SUM(compressedSize) FROM AttachedFiles"); s.Run(); return static_cast<uint64_t>(s.ColumnInt64(0)); } uint64_t DatabaseWrapper::GetTotalUncompressedSize() { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT SUM(uncompressedSize) FROM AttachedFiles"); s.Run(); return static_cast<uint64_t>(s.ColumnInt64(0)); } uint64_t DatabaseWrapper::GetResourceCount(ResourceType resourceType) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT COUNT(*) FROM Resources WHERE resourceType=?"); s.BindInt(0, resourceType); if (!s.Step()) { return 0; } else { int64_t c = s.ColumnInt(0); assert(!s.Step()); return c; } } void DatabaseWrapper::GetAllInternalIds(std::list<int64_t>& target, ResourceType resourceType) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT internalId FROM Resources WHERE resourceType=?"); s.BindInt(0, resourceType); target.clear(); while (s.Step()) { target.push_back(s.ColumnInt64(0)); } } void DatabaseWrapper::GetAllPublicIds(std::list<std::string>& target, ResourceType resourceType) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT publicId FROM Resources WHERE resourceType=?"); s.BindInt(0, resourceType); target.clear(); while (s.Step()) { target.push_back(s.ColumnString(0)); } } void DatabaseWrapper::GetAllPublicIds(std::list<std::string>& target, ResourceType resourceType, size_t since, size_t limit) { if (limit == 0) { target.clear(); return; } SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT publicId FROM Resources WHERE " "resourceType=? LIMIT ? OFFSET ?"); s.BindInt(0, resourceType); s.BindInt64(1, limit); s.BindInt64(2, since); target.clear(); while (s.Step()) { target.push_back(s.ColumnString(0)); } } bool DatabaseWrapper::SelectPatientToRecycle(int64_t& internalId) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT patientId FROM PatientRecyclingOrder ORDER BY seq ASC LIMIT 1"); if (!s.Step()) { // No patient remaining or all the patients are protected return false; } else { internalId = s.ColumnInt(0); return true; } } bool DatabaseWrapper::SelectPatientToRecycle(int64_t& internalId, int64_t patientIdToAvoid) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT patientId FROM PatientRecyclingOrder " "WHERE patientId != ? ORDER BY seq ASC LIMIT 1"); s.BindInt64(0, patientIdToAvoid); if (!s.Step()) { // No patient remaining or all the patients are protected return false; } else { internalId = s.ColumnInt(0); return true; } } bool DatabaseWrapper::IsProtectedPatient(int64_t internalId) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM PatientRecyclingOrder WHERE patientId = ?"); s.BindInt64(0, internalId); return !s.Step(); } void DatabaseWrapper::SetProtectedPatient(int64_t internalId, bool isProtected) { if (isProtected) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM PatientRecyclingOrder WHERE patientId=?"); s.BindInt64(0, internalId); s.Run(); } else if (IsProtectedPatient(internalId)) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO PatientRecyclingOrder VALUES(NULL, ?)"); s.BindInt64(0, internalId); s.Run(); } else { // Nothing to do: The patient is already unprotected } } bool DatabaseWrapper::IsExistingResource(int64_t internalId) { SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM Resources WHERE internalId=?"); s.BindInt64(0, internalId); return s.Step(); } void DatabaseWrapper::LookupIdentifier(std::list<int64_t>& target, ResourceType level, const DicomTag& tag, IdentifierConstraintType type, const std::string& value) { static const char* COMMON = ("SELECT d.id FROM DicomIdentifiers AS d, Resources AS r WHERE " "d.id = r.internalId AND r.resourceType=? AND " "d.tagGroup=? AND d.tagElement=? AND "); std::auto_ptr<SQLite::Statement> s; switch (type) { case IdentifierConstraintType_GreaterOrEqual: s.reset(new SQLite::Statement(db_, std::string(COMMON) + "d.value>=?")); break; case IdentifierConstraintType_SmallerOrEqual: s.reset(new SQLite::Statement(db_, std::string(COMMON) + "d.value<=?")); break; case IdentifierConstraintType_Wildcard: s.reset(new SQLite::Statement(db_, std::string(COMMON) + "d.value GLOB ?")); break; case IdentifierConstraintType_Equal: default: s.reset(new SQLite::Statement(db_, std::string(COMMON) + "d.value=?")); break; } assert(s.get() != NULL); s->BindInt(0, level); s->BindInt(1, tag.GetGroup()); s->BindInt(2, tag.GetElement()); s->BindString(3, value); target.clear(); while (s->Step()) { target.push_back(s->ColumnInt64(0)); } } void DatabaseWrapper::LookupIdentifierRange(std::list<int64_t>& target, ResourceType level, const DicomTag& tag, const std::string& start, const std::string& end) { SQLite::Statement statement(db_, SQLITE_FROM_HERE, "SELECT d.id FROM DicomIdentifiers AS d, Resources AS r WHERE " "d.id = r.internalId AND r.resourceType=? AND " "d.tagGroup=? AND d.tagElement=? AND d.value>=? AND d.value<=?"); statement.BindInt(0, level); statement.BindInt(1, tag.GetGroup()); statement.BindInt(2, tag.GetElement()); statement.BindString(3, start); statement.BindString(4, end); target.clear(); while (statement.Step()) { target.push_back(statement.ColumnInt64(0)); } } }