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queryrunnable.cpp
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queryrunnable.cpp
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/*
* This file is part of the KDE Baloo Project
* Copyright (C) 2013 Vishesh Handa <me@vhanda.in>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "queryrunnable.h"
#include <QAtomicInt>
using namespace Baloo;
class QueryRunnable::Private {
public:
Query m_query;
QAtomicInt m_stop;
bool stopRequested() const {
return m_stop.load();
}
};
QueryRunnable::QueryRunnable(const Query& query, QObject* parent)
: QObject(parent)
, d(new Private)
{
d->m_query = query;
d->m_stop = false;
qRegisterMetaType<Baloo::Result>("Baloo::Result");
}
QueryRunnable::~QueryRunnable()
{
delete d;
}
void QueryRunnable::stop()
{
d->m_stop.store(true);
}
void QueryRunnable::run()
{
ResultIterator it = d->m_query.exec();
while (!d->stopRequested() && it.next()) {
Q_EMIT queryResult(this, it.result());
}
Q_EMIT finished(this);
}

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