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/*!********************************************************************
Audacity: A Digital Audio Editor
@file TransactionScope.cpp
Paul Licameli split from DBConnection.cpp
**********************************************************************/
#include "TransactionScope.h"
#include "InconsistencyException.h"
#include <wx/log.h>
TransactionScopeImpl::~TransactionScopeImpl() = default;
TransactionScope::TransactionScope(
AudacityProject &project, const char *name)
: mName(name)
{
mpImpl = Factory::Call(project);
if (!mpImpl)
return;
mInTrans = mpImpl->TransactionStart(mName);
if ( !mInTrans )
// To do, improve the message
throw SimpleMessageBoxException( ExceptionType::Internal,
XO("Database error. Sorry, but we don't have more details."),
XO("Warning"),
"Error:_Disk_full_or_not_writable"
);
}
TransactionScope::~TransactionScope()
{
if (mpImpl && mInTrans)
{
if (!mpImpl->TransactionRollback(mName))
{
// Do not throw from a destructor!
// This has to be a no-fail cleanup that does the best that it can.
wxLogMessage("Transaction active at scope destruction");
}
}
}
bool TransactionScope::Commit()
{
if (mpImpl && !mInTrans) {
wxLogMessage("No active transaction to commit");
// Misuse of this class
THROW_INCONSISTENCY_EXCEPTION;
}
// If commit is unsuccessful, consider us still in a commit, for the dtor
// later
mInTrans = !mpImpl->TransactionCommit(mName);
return !mInTrans;
}
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