Mercurial > hg > orthanc
view OrthancServer/Sources/Database/SQLiteDatabaseWrapper.h @ 4645:1f90fe0fa13f
todo
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 28 Apr 2021 16:40:36 +0200 |
parents | 5fabef29c4ff |
children | f0038043fb97 7053502fbf97 |
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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) 2017-2021 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/>. **/ #pragma once #include "IDatabaseWrapper.h" #include "../../../OrthancFramework/Sources/SQLite/Connection.h" #include <boost/thread/mutex.hpp> namespace Orthanc { /** * This class manages an instance of the Orthanc SQLite database. It * translates low-level requests into SQL statements. Mutual * exclusion MUST be implemented at a higher level. **/ class SQLiteDatabaseWrapper : public IDatabaseWrapper { private: class TransactionBase; class SignalFileDeleted; class SignalResourceDeleted; class SignalRemainingAncestor; class ReadOnlyTransaction; class ReadWriteTransaction; class LookupFormatter; boost::mutex mutex_; SQLite::Connection db_; TransactionBase* activeTransaction_; SignalRemainingAncestor* signalRemainingAncestor_; unsigned int version_; void GetChangesInternal(std::list<ServerIndexChange>& target, bool& done, SQLite::Statement& s, uint32_t maxResults); void GetExportedResourcesInternal(std::list<ExportedResource>& target, bool& done, SQLite::Statement& s, uint32_t maxResults); public: SQLiteDatabaseWrapper(const std::string& path); SQLiteDatabaseWrapper(); virtual ~SQLiteDatabaseWrapper(); virtual void Open() ORTHANC_OVERRIDE; virtual void Close() ORTHANC_OVERRIDE; virtual IDatabaseWrapper::ITransaction* StartTransaction(TransactionType type, IDatabaseListener& listener) ORTHANC_OVERRIDE; virtual void FlushToDisk() ORTHANC_OVERRIDE; virtual bool HasFlushToDisk() const ORTHANC_OVERRIDE { return true; } virtual unsigned int GetDatabaseVersion() ORTHANC_OVERRIDE { return version_; } virtual void Upgrade(unsigned int targetVersion, IStorageArea& storageArea) ORTHANC_OVERRIDE; virtual bool HasRevisionsSupport() const ORTHANC_OVERRIDE { return false; // TODO - REVISIONS } /** * The "StartTransaction()" method is guaranteed to return a class * derived from "UnitTestsTransaction". The methods of * "UnitTestsTransaction" give access to additional information * about the underlying SQLite database to be used in unit tests. **/ class UnitTestsTransaction : public ITransaction { protected: SQLite::Connection& db_; public: UnitTestsTransaction(SQLite::Connection& db) : db_(db) { } void GetChildren(std::list<std::string>& childrenPublicIds, int64_t id); int64_t GetTableRecordCount(const std::string& table); bool GetParentPublicId(std::string& target, int64_t id); int64_t CreateResource(const std::string& publicId, ResourceType type); void AttachChild(int64_t parent, int64_t child); void SetIdentifierTag(int64_t id, const DicomTag& tag, const std::string& value); void SetMainDicomTag(int64_t id, const DicomTag& tag, const std::string& value); }; }; }