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tqtinterface/qtinterface/qt4/Qt/qtconcurrentmap.h

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/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
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****************************************************************************/
#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(), map);
}
template <typename Sequence, typename T, typename U>
QFuture<void> map(Sequence &sequence, T (map)(U))
{
return startMap(sequence.begin(), sequence.end(), FunctionWrapper1<T, U>(map));
}
template <typename Sequence, typename T, typename C>
QFuture<void> map(Sequence &sequence, T (C::*map)())
{
return startMap(sequence.begin(), sequence.end(), MemberFunctionWrapper<T, C>(map));
}
// map() on iterators
template <typename Iterator, typename MapFunctor>
QFuture<void> map(Iterator begin, Iterator end, MapFunctor map)
{
return startMap(begin, end, map);
}
template <typename Iterator, typename T, typename U>
QFuture<void> map(Iterator begin, Iterator end, T (map)(U))
{
return startMap(begin, end, FunctionWrapper1<T, U>(map));
}
template <typename Iterator, typename T, typename C>
QFuture<void> map(Iterator begin, Iterator end, T (C::*map)())
{
return startMap(begin, end, MemberFunctionWrapper<T, C>(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 MapFunctor::result_type, ResultType>
(sequence, map, reduce, options);
}
template <typename Sequence, typename MapFunctor, typename T, typename U, typename V>
QFuture<U> mappedReduced(const Sequence &sequence,
MapFunctor map,
T (reduce)(U &, V),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename MapFunctor::result_type, U>
(sequence, map, FunctionWrapper2<T, U &, V>(reduce), options);
}
template <typename Sequence, typename MapFunctor, typename T, typename C, typename U>
QFuture<C> mappedReduced(const Sequence &sequence,
MapFunctor map,
T (C::*reduce)(U),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename MapFunctor::result_type, C>
(sequence, map, MemberFunctionWrapper1<T, C, U>(reduce), options);
}
template <typename ResultType, typename Sequence, typename T, typename U, typename ReduceFunctor>
QFuture<ResultType> mappedReduced(const Sequence &sequence,
T (map)(U),
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, ResultType>
(sequence, FunctionWrapper1<T, U>(map), reduce, options);
}
template <typename ResultType, typename Sequence, typename T, typename C, typename ReduceFunctor>
QFuture<ResultType> mappedReduced(const Sequence &sequence,
T (C::*map)() const,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, ResultType>
(sequence, ConstMemberFunctionWrapper<T, C>(map), reduce, options);
}
template <typename Sequence, typename T, typename U, typename V, typename W, typename X>
QFuture<W> mappedReduced(const Sequence &sequence,
T (map)(U),
V (reduce)(W &, X),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, W>
(sequence, FunctionWrapper1<T, U>(map), FunctionWrapper2<V, W &, X>(reduce), options);
}
template <typename Sequence, typename T, typename C, typename U, typename V, typename W>
QFuture<V> mappedReduced(const Sequence &sequence,
T (C::*map)() const,
U (reduce)(V &, W),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, V> (sequence, ConstMemberFunctionWrapper<T, C>(map),
FunctionWrapper2<U, V &, W>(reduce), options);
}
template <typename Sequence, typename T, typename U, typename V, typename C, typename W>
QFuture<C> mappedReduced(const Sequence &sequence,
T (map)(U),
V (C::*reduce)(W),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, C> (sequence, FunctionWrapper1<T, U>(map),
MemberFunctionWrapper1<V, C, W>(reduce), options);
}
template <typename Sequence, typename T, typename C, typename U,typename D, typename V>
QFuture<D> mappedReduced(const Sequence &sequence,
T (C::*map)() const,
U (D::*reduce)(V),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, D>(sequence, ConstMemberFunctionWrapper<T, C>(map),
MemberFunctionWrapper1<U, D, V>(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<ResultType, typename MapFunctor::result_type>
(begin, end, map, reduce, options);
}
template <typename Iterator, typename MapFunctor, typename T, typename U, typename V>
QFuture<U> mappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
T (reduce)(U &, V),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename MapFunctor::result_type, U>
(begin, end, map, FunctionWrapper2<T, U &, V>(reduce), options);
}
template <typename Iterator, typename MapFunctor, typename T, typename C, typename U>
QFuture<C> mappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
T (C::*reduce)(U),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<typename MapFunctor::result_type, C>
(begin, end, map, MemberFunctionWrapper1<T, C, U>(reduce), options);
}
template <typename ResultType, typename Iterator, typename T, typename U, typename ReduceFunctor>
QFuture<ResultType> mappedReduced(Iterator begin,
Iterator end,
T (map)(U),
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, ResultType>
(begin, end, FunctionWrapper1<T, U>(map), reduce, options);
}
template <typename ResultType, typename Iterator, typename T, typename C, typename ReduceFunctor>
QFuture<ResultType> mappedReduced(Iterator begin,
Iterator end,
T (C::*map)() const,
ReduceFunctor reduce,
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, ResultType>
(begin, end, ConstMemberFunctionWrapper<T, C>(map), reduce, options);
}
template <typename Iterator, typename T, typename U, typename V, typename W, typename X>
QFuture<W> mappedReduced(Iterator begin,
Iterator end,
T (map)(U),
V (reduce)(W &, X),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, W>
(begin, end, FunctionWrapper1<T, U>(map), FunctionWrapper2<V, W &, X>(reduce), options);
}
template <typename Iterator, typename T, typename C, typename U, typename V, typename W>
QFuture<V> mappedReduced(Iterator begin,
Iterator end,
T (C::*map)() const,
U (reduce)(V &, W),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, V>(begin, end, ConstMemberFunctionWrapper<T, C>(map),
FunctionWrapper2<U, V &, W>(reduce), options);
}
template <typename Iterator, typename T, typename U, typename V, typename C, typename W>
QFuture<C> mappedReduced(Iterator begin,
Iterator end,
T (map)(U),
V (C::*reduce)(W),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, C>
(begin, end, FunctionWrapper1<T, U>(map), MemberFunctionWrapper1<V, C, W>(reduce), options);
}
template <typename Iterator, typename T, typename C, typename U,typename D, typename V>
QFuture<D> mappedReduced(Iterator begin,
Iterator end,
T (C::*map)() const,
U (D::*reduce)(V),
ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
{
return startMappedReduced<T, D>(begin, end, ConstMemberFunctionWrapper<T, C>(map),
MemberFunctionWrapper1<U, D, V>(reduce), options);
}
// mapped() for sequences
template <typename Sequence, typename MapFunctor>
QFuture<typename MapFunctor::result_type> mapped(const Sequence &sequence, MapFunctor map)
{
return startMapped<typename MapFunctor::result_type>(sequence, map);
}
template <typename Sequence, typename T, typename U>
QFuture<T> mapped(const Sequence &sequence, T (map)(U))
{
return startMapped<T>(sequence, FunctionWrapper1<T, U>(map));
}
template <typename Sequence, typename T, typename C>
QFuture<T> mapped(const Sequence &sequence, T (C::*map)() const)
{
return startMapped<T>(sequence, ConstMemberFunctionWrapper<T, C>(map));
}
// mapped() for iterator ranges.
template <typename Iterator, typename MapFunctor>
QFuture<typename MapFunctor::result_type> mapped(Iterator begin, Iterator end, MapFunctor map)
{
return startMapped<Q_TYPENAME MapFunctor::result_type>(begin, end, map);
}
template <typename Iterator, typename T, typename U>
QFuture<T> mapped(Iterator begin, Iterator end, T (map)(U))
{
return startMapped<T>(begin, end, FunctionWrapper1<T, U>(map));
}
template <typename Iterator, typename T, typename C>
QFuture<T> mapped(Iterator begin, Iterator end, T (C::*map)() const)
{
return startMapped<T>(begin, end, ConstMemberFunctionWrapper<T, C>(map));
}
template <typename Sequence, typename MapFunctor>
void blockingMap(Sequence &sequence, MapFunctor map)
{
startMap(sequence.begin(), sequence.end(), map).startBlocking();
}
template <typename Sequence, typename T, typename U>
void blockingMap(Sequence &sequence, T (map)(U))
{
startMap(sequence.begin(), sequence.end(), QtConcurrent::FunctionWrapper1<T, U>(map)).startBlocking();
}
template <typename Sequence, typename T, typename C>
void blockingMap(Sequence &sequence, T (C::*map)())
{
startMap(sequence.begin(), sequence.end(), QtConcurrent::MemberFunctionWrapper<T, C>(map)).startBlocking();
}
template <typename Iterator, typename MapFunctor>
void blockingMap(Iterator begin, Iterator end, MapFunctor map)
{
startMap(begin, end, map).startBlocking();
}
template <typename Iterator, typename T, typename U>
void blockingMap(Iterator begin, Iterator end, T (map)(U))
{
startMap(begin, end, QtConcurrent::FunctionWrapper1<T, U>(map)).startBlocking();
}
template <typename Iterator, typename T, typename C>
void blockingMap(Iterator begin, Iterator end, T (C::*map)())
{
startMap(begin, end, QtConcurrent::MemberFunctionWrapper<T, C>(map)).startBlocking();
}
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 MapFunctor::result_type, ResultType>
(sequence, map, reduce, options).startBlocking();
}
template <typename Sequence, typename MapFunctor, typename T, typename U, typename V>
U blockingMappedReduced(const Sequence &sequence,
MapFunctor map,
T (reduce)(U &, V),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, U>
(sequence,
map,
QtConcurrent::FunctionWrapper2<T, U &, V>(reduce),
options)
.startBlocking();
}
template <typename Sequence, typename MapFunctor, typename T, typename C, typename U>
C blockingMappedReduced(const Sequence &sequence,
MapFunctor map,
T (C::*reduce)(U),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, C>
(sequence,
map,
QtConcurrent::MemberFunctionWrapper1<T, C, U>(reduce),
options)
.startBlocking();
}
template <typename ResultType, typename Sequence, typename T, typename U, typename ReduceFunctor>
ResultType blockingMappedReduced(const Sequence &sequence,
T (map)(U),
ReduceFunctor reduce,
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, ResultType>
(sequence,
QtConcurrent::FunctionWrapper1<T, U>(map),
reduce,
options)
.startBlocking();
}
template <typename ResultType, typename Sequence, typename T, typename C, typename ReduceFunctor>
ResultType blockingMappedReduced(const Sequence &sequence,
T (C::*map)() const,
ReduceFunctor reduce,
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, ResultType>
(sequence,
QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
reduce,
options)
.startBlocking();
}
template <typename Sequence, typename T, typename U, typename V, typename W, typename X>
W blockingMappedReduced(const Sequence &sequence,
T (map)(U),
V (reduce)(W &, X),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, W>
(sequence,
QtConcurrent::FunctionWrapper1<T, U>(map),
QtConcurrent::FunctionWrapper2<V, W &, X>(reduce),
options)
.startBlocking();
}
template <typename Sequence, typename T, typename C, typename U, typename V, typename W>
V blockingMappedReduced(const Sequence &sequence,
T (C::*map)() const,
U (reduce)(V &, W),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, V>
(sequence,
QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
QtConcurrent::FunctionWrapper2<U, V &, W>(reduce),
options)
.startBlocking();
}
template <typename Sequence, typename T, typename U, typename V, typename C, typename W>
C blockingMappedReduced(const Sequence &sequence,
T (map)(U),
V (C::*reduce)(W),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, C>
(sequence,
QtConcurrent::FunctionWrapper1<T, U>(map),
QtConcurrent::MemberFunctionWrapper1<V, C, W>(reduce),
options)
.startBlocking();
}
template <typename Sequence, typename T, typename C, typename U,typename D, typename V>
D blockingMappedReduced(const Sequence &sequence,
T (C::*map)() const,
U (D::*reduce)(V),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, D>
(sequence,
QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
QtConcurrent::MemberFunctionWrapper1<U, D, V>(reduce),
options)
.startBlocking();
}
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 MapFunctor::result_type, ResultType>
(begin, end, map, reduce, options).startBlocking();
}
template <typename Iterator, typename MapFunctor, typename T, typename U, typename V>
U blockingMappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
T (reduce)(U &, V),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, U>
(begin,
end,
map,
QtConcurrent::FunctionWrapper2<T, U &, V>(reduce),
options)
.startBlocking();
}
template <typename Iterator, typename MapFunctor, typename T, typename C, typename U>
C blockingMappedReduced(Iterator begin,
Iterator end,
MapFunctor map,
T (C::*reduce)(U),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, C>
(begin,
end,
map,
QtConcurrent::MemberFunctionWrapper1<T, C, U>(reduce),
options)
.startBlocking();
}
template <typename ResultType, typename Iterator, typename T, typename U, typename ReduceFunctor>
ResultType blockingMappedReduced(Iterator begin,
Iterator end,
T (map)(U),
ReduceFunctor reduce,
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, ResultType>
(begin,
end,
QtConcurrent::FunctionWrapper1<T, U>(map),
reduce,
options)
.startBlocking();
}
template <typename ResultType, typename Iterator, typename T, typename C, typename ReduceFunctor>
ResultType blockingMappedReduced(Iterator begin,
Iterator end,
T (C::*map)() const,
ReduceFunctor reduce,
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, ResultType>
(begin,
end,
QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
reduce,
options)
.startBlocking();
}
template <typename Iterator, typename T, typename U, typename V, typename W, typename X>
W blockingMappedReduced(Iterator begin,
Iterator end,
T (map)(U),
V (reduce)(W &, X),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, W>
(begin,
end,
QtConcurrent::FunctionWrapper1<T, U>(map),
QtConcurrent::FunctionWrapper2<V, W &, X>(reduce),
options)
.startBlocking();
}
template <typename Iterator, typename T, typename C, typename U, typename V, typename W>
V blockingMappedReduced(Iterator begin,
Iterator end,
T (C::*map)() const,
U (reduce)(V &, W),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, V>
(begin,
end,
QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
QtConcurrent::FunctionWrapper2<U, V &, W>(reduce),
options)
.startBlocking();
}
template <typename Iterator, typename T, typename U, typename V, typename C, typename W>
C blockingMappedReduced(Iterator begin,
Iterator end,
T (map)(U),
V (C::*reduce)(W),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, C>
(begin,
end,
QtConcurrent::FunctionWrapper1<T, U>(map),
QtConcurrent::MemberFunctionWrapper1<V, C, W>(reduce),
options)
.startBlocking();
}
template <typename Iterator, typename T, typename C, typename U,typename D, typename V>
D blockingMappedReduced(Iterator begin,
Iterator end,
T (C::*map)() const,
U (D::*reduce)(V),
QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
{
return QtConcurrent::startMappedReduced<T, D>
(begin,
end,
QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
QtConcurrent::MemberFunctionWrapper1<U, D, V>(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(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename OutputSequence, typename InputSequence, typename T, typename U>
OutputSequence blockingMapped(const InputSequence &sequence, T (map)(U))
{
return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename OutputSequence, typename InputSequence, typename T, typename C>
OutputSequence blockingMapped(const InputSequence &sequence, T (C::*map)() const)
{
return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
#ifndef QT_NO_TEMPLATE_TEMPLATE_PARAMETERS
// overloads for changing the container value type:
template <template <typename> class Sequence, typename MapFunctor, typename T>
Sequence<typename MapFunctor::result_type> blockingMapped(const Sequence<T> &sequence, MapFunctor map)
{
typedef Sequence<typename MapFunctor::result_type> OutputSequence;
return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
template <template <typename> class Sequence, typename T, typename U, typename V>
Sequence<U> blockingMapped(const Sequence<T> &sequence, U (map)(V))
{
typedef Sequence<U> OutputSequence;
return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
template <template <typename> class Sequence, typename T, typename U, typename C>
Sequence<U> blockingMapped(const Sequence<T> &sequence, U (C::*map)() const)
{
typedef Sequence<U> OutputSequence;
return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
#endif // QT_NO_TEMPLATE_TEMPLATE_PARAMETER
// overloads for changing the container value type from a QStringList:
template <typename MapFunctor>
QList<typename MapFunctor::result_type> blockingMapped(const QStringList &sequence, MapFunctor map)
{
typedef QList<typename MapFunctor::result_type> OutputSequence;
return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename U, typename V>
QList<U> blockingMapped(const QStringList &sequence, U (map)(V))
{
typedef QList<U> OutputSequence;
return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename U, typename C>
QList<U> blockingMapped(const QStringList &sequence, U (C::*map)() const)
{
typedef QList<U> OutputSequence;
return blockingMappedReduced(sequence, 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(begin, end, map, &Sequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename Sequence, typename Iterator, typename T, typename U>
Sequence blockingMapped(Iterator begin, Iterator end, T (map)(U))
{
return blockingMappedReduced(begin, end, map, &Sequence::push_back,
QtConcurrent::OrderedReduce);
}
template <typename Sequence, typename Iterator, typename T, typename C>
Sequence blockingMapped(Iterator begin, Iterator end, T (C::*map)() const)
{
return blockingMappedReduced(begin, end, map, &Sequence::push_back,
QtConcurrent::OrderedReduce);
}
} // namespace QtConcurrent
#endif // qdoc
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_CONCURRENT
#endif