strawberry-audio-player-win.../src/core/scopedtransaction.cpp

54 lines
1.3 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* Strawberry 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.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <QSqlDatabase>
#include "core/logging.h"
#include "scopedtransaction.h"
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;
}