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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) 2017-2023 Osimis S.A., Belgium
* Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, 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/>.
**/
#include "ImplicitTransaction.h"
#include <Compatibility.h> // For std::unique_ptr<>
#include <Logging.h>
#include <OrthancException.h>
#include <memory>
namespace OrthancDatabases
{
static bool isErrorOnDoubleExecution_ = false;
ImplicitTransaction::ImplicitTransaction() :
state_(State_Ready)
{
}
ImplicitTransaction::~ImplicitTransaction()
{
switch (state_)
{
case State_Committed:
case State_Ready:
break;
case State_Executed:
LOG(ERROR) << "An implicit transaction has not been committed";
break;
default:
LOG(ERROR) << "Internal error in ImplicitTransaction destructor";
break;
}
}
void ImplicitTransaction::Rollback()
{
LOG(ERROR) << "Cannot rollback an implicit transaction";
throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
}
void ImplicitTransaction::Commit()
{
switch (state_)
{
case State_Ready:
LOG(ERROR) << "Cannot commit an implicit transaction that has not been executed yet";
throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
case State_Executed:
state_ = State_Committed;
break;
case State_Committed:
LOG(ERROR) << "Cannot commit twice an implicit transaction";
throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
default:
throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
}
}
void ImplicitTransaction::CheckStateForExecution()
{
switch (state_)
{
case State_Ready:
// OK
break;
case State_Executed:
if (isErrorOnDoubleExecution_)
{
/**
* This allows to detect errors wrt. the handling of
* transactions in the Orthanc core.
*
* In Orthanc <= 1.3.2: problems in "/changes" (a transaction
* was missing because of GetPublicId()).
**/
LOG(ERROR) << "Cannot execute more than one statement in an implicit transaction";
throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
}
break;
case State_Committed:
LOG(ERROR) << "Cannot commit twice an implicit transaction";
throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
default:
throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
}
}
IResult* ImplicitTransaction::Execute(IPrecompiledStatement& statement,
const Dictionary& parameters)
{
CheckStateForExecution();
std::unique_ptr<IResult> result(ExecuteInternal(statement, parameters));
state_ = State_Executed;
return result.release();
}
void ImplicitTransaction::ExecuteWithoutResult(IPrecompiledStatement& statement,
const Dictionary& parameters)
{
CheckStateForExecution();
ExecuteWithoutResultInternal(statement, parameters);
state_ = State_Executed;
}
void ImplicitTransaction::SetErrorOnDoubleExecution(bool isError)
{
isErrorOnDoubleExecution_ = isError;
}
bool ImplicitTransaction::IsErrorOnDoubleExecution()
{
return isErrorOnDoubleExecution_;
}
}
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