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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTCONCURRENT_MAP_H
#define QTCONCURRENT_MAP_H
#include <QtCore/qglobal.h>
#ifndef QT_NO_CONCURRENT
#include <QtCore/qtconcurrentmapkernel.h>
#include <QtCore/qtconcurrentreducekernel.h>
#include <QtCore/qtconcurrentfunctionwrappers.h>
#include <QtCore/qstringlist.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#ifdef qdoc
namespace QtConcurrent {
QFuture<void> map(Sequence &sequence, MapFunction function);
QFuture<void> map(Iterator begin, Iterator end, MapFunction function);
template <typename T>
QFuture<T> mapped(const Sequence &sequence, MapFunction function);
template <typename T>
QFuture<T> mapped(ConstIterator begin, ConstIterator end, MapFunction function);
template <typename T>
QFuture<T> mappedReduced(const Sequence &sequence,
MapFunction function,
ReduceFunction function,
QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
template <typename T>
QFuture<T> mappedReduced(ConstIterator begin,
ConstIterator end,
MapFunction function,
ReduceFunction function,
QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
void blockingMap(Sequence &sequence, MapFunction function);
void blockingMap(Iterator begin, Iterator end, MapFunction function);
template <typename T>
T blockingMapped(const Sequence &sequence, MapFunction function);
template <typename T>
T blockingMapped(ConstIterator begin, ConstIterator end, MapFunction function);
template <typename T>
T blockingMappedReduced(const Sequence &sequence,
MapFunction function,
ReduceFunction function,
QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
template <typename T>
T blockingMappedReduced(ConstIterator begin,
ConstIterator end,
MapFunction function,
ReduceFunction function,
QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
} // namespace QtConcurrent
#else
namespace QtConcurrent {
// map() on sequences
template <typename Sequence, typename MapFunctor>
QFuture<void> map(Sequence &sequence, MapFunctor map)
{
return startMap(sequence.begin(), sequence.end(), QtPrivate::createFunctionWrapper(map));
}
// map() on iterators
template <typename Iterator, typename MapFunctor>
QFuture<void> map(Iterator begin, Iterator end, MapFunctor map)
{
return startMap(begin, end, QtPrivate::createFunctionWrapper(map));
}
// mappedReduced() for sequences.
template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
QFuture<ResultType> mappedReduced(const Sequence &sequence,
MapFunctor map,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
(sequence,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options);
}
template <typename Sequence, typename MapFunctor, typename ReduceFunctor>
QFuture<typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> mappedReduced(const Sequence &sequence,
MapFunctor map,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
(sequence,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options);
}
// mappedReduced() for iterators
template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
QFuture<ResultType> mappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
(begin, end,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options);
}
template <typename Iterator, typename MapFunctor, typename ReduceFunctor>
QFuture<typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType> mappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
(begin, end,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options);
}
// mapped() for sequences
template <typename Sequence, typename MapFunctor>
QFuture<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType> mapped(const Sequence &sequence, MapFunctor map)
{
return startMapped<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType>(sequence, QtPrivate::createFunctionWrapper(map));
}
// mapped() for iterator ranges.
template <typename Iterator, typename MapFunctor>
QFuture<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType> mapped(Iterator begin, Iterator end, MapFunctor map)
{
return startMapped<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType>(begin, end, QtPrivate::createFunctionWrapper(map));
}
// blockingMap() for sequences
template <typename Sequence, typename MapFunctor>
void blockingMap(Sequence &sequence, MapFunctor map)
{
startMap(sequence.begin(), sequence.end(), QtPrivate::createFunctionWrapper(map)).startBlocking();
}
// blockingMap() for iterator ranges
template <typename Iterator, typename MapFunctor>
void blockingMap(Iterator begin, Iterator end, MapFunctor map)
{
startMap(begin, end, QtPrivate::createFunctionWrapper(map)).startBlocking();
}
// blockingMappedReduced() for sequences
template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
ResultType blockingMappedReduced(const Sequence &sequence,
MapFunctor map,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
(sequence,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options)
.startBlocking();
}
template <typename MapFunctor, typename ReduceFunctor, typename Sequence>
typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType blockingMappedReduced(const Sequence &sequence,
MapFunctor map,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
(sequence,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options)
.startBlocking();
}
// blockingMappedReduced() for iterator ranges
template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
ResultType blockingMappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
ReduceFunctor reduce,
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, ResultType>
(begin, end,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options)
.startBlocking();
}
template <typename Iterator, typename MapFunctor, typename ReduceFunctor>
typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType blockingMappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
ReduceFunctor reduce,
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename QtPrivate::MapResultType<void, MapFunctor>::ResultType, typename QtPrivate::ReduceResultType<ReduceFunctor>::ResultType>
(begin, end,
QtPrivate::createFunctionWrapper(map),
QtPrivate::createFunctionWrapper(reduce),
options)
.startBlocking();
}
// mapped() for sequences with a different putput sequence type.
template <typename OutputSequence, typename InputSequence, typename MapFunctor>
OutputSequence blockingMapped(const InputSequence &sequence, MapFunctor map)
{
return blockingMappedReduced<OutputSequence>
(sequence,
QtPrivate::createFunctionWrapper(map),
&OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename MapFunctor, typename InputSequence>
typename QtPrivate::MapResultType<InputSequence, MapFunctor>::ResultType blockingMapped(const InputSequence &sequence, MapFunctor map)
{
typedef typename QtPrivate::MapResultType<InputSequence, MapFunctor>::ResultType OutputSequence;
return blockingMappedReduced<OutputSequence>
(sequence,
QtPrivate::createFunctionWrapper(map),
&OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
// mapped() for iterator ranges
template <typename Sequence, typename Iterator, typename MapFunctor>
Sequence blockingMapped(Iterator begin, Iterator end, MapFunctor map)
{
return blockingMappedReduced<Sequence>
(begin, end,
QtPrivate::createFunctionWrapper(map),
&Sequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename Iterator, typename MapFunctor>
typename QtPrivate::MapResultType<Iterator, MapFunctor>::ResultType blockingMapped(Iterator begin, Iterator end, MapFunctor map)
{
typedef typename QtPrivate::MapResultType<Iterator, MapFunctor>::ResultType OutputSequence;
return blockingMappedReduced<OutputSequence>
(begin, end,
QtPrivate::createFunctionWrapper(map),
&OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
} // namespace QtConcurrent
#endif // qdoc
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_CONCURRENT
#endif
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