Mercurial > hg > orthanc-databases
diff Framework/Common/ImplicitTransaction.h @ 23:b2ff1cd2907a
handling of implicit transactions in DatabaseManager
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 12 Jul 2018 10:44:17 +0200 |
parents | |
children | c0cb5d2cd696 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Common/ImplicitTransaction.h Thu Jul 12 10:44:17 2018 +0200 @@ -0,0 +1,75 @@ +/** + * 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 Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * 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 + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ITransaction.h" + +namespace OrthancDatabases +{ + class ImplicitTransaction : public ITransaction + { + private: + enum State + { + State_Ready, + State_Executed, + State_Committed + }; + + State state_; + bool readOnly_; + + void CheckStateForExecution(); + + protected: + virtual IResult* ExecuteInternal(IPrecompiledStatement& statement, + const Dictionary& parameters) = 0; + + virtual void ExecuteWithoutResultInternal(IPrecompiledStatement& statement, + const Dictionary& parameters) = 0; + + public: + ImplicitTransaction(); + + virtual ~ImplicitTransaction(); + + virtual bool IsImplicit() const + { + return true; + } + + virtual bool IsReadOnly() const + { + return readOnly_; + } + + virtual void Rollback(); + + virtual void Commit(); + + virtual IResult* Execute(IPrecompiledStatement& statement, + const Dictionary& parameters); + + virtual void ExecuteWithoutResult(IPrecompiledStatement& statement, + const Dictionary& parameters); + }; +}