Clementine-audio-player-Mac.../src/core/scopedtransaction.cpp

47 lines
1.2 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "scopedtransaction.h"
#include "core/logging.h"
#include <QSqlDatabase>
#include <QtDebug>
ScopedTransaction::ScopedTransaction(QSqlDatabase* db)
: db_(db),
pending_(true)
{
db->transaction();
}
ScopedTransaction::~ScopedTransaction() {
if (pending_) {
qLog(Warning) << "Rolling back transaction";
db_->rollback();
}
}
void ScopedTransaction::Commit() {
if (!pending_) {
qLog(Warning) << "Tried to commit a ScopedTransaction twice";
return;
}
db_->commit();
pending_ = false;
}