Move QtConcurrent into its own module

Task-number: QTBUG-20892 Change-Id: I614500aafb6428915509983608bbb0ade4e4f016 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
author: Lars Knoll <lars.knoll@nokia.com> 2012-02-03 14:17:26 +0100
committer: Qt by Nokia <qt-info@nokia.com> 2012-02-05 17:49:16 +0100
commit: 96501b0a18f4f70048403dccc4cb42dd71db8f9d (patch)
tree: ec4b95139854d1116ad75467c3c08df39fafeb27 /src/corelib/concurrent/qtconcurrentmapkernel.h
parent: c8156cab81690526adffa22214657fc1c6563b8b (diff)
1 files changed, 0 insertions, 272 deletions
diff --git a/src/corelib/concurrent/qtconcurrentmapkernel.h b/src/corelib/concurrent/qtconcurrentmapkernel.h
deleted file mode 100644
index 47cf143fffa..00000000000
--- a/src/corelib/concurrent/qtconcurrentmapkernel.h
+++ /dev/null
@@ -1,272 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** 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_MAPKERNEL_H
-#define QTCONCURRENT_MAPKERNEL_H
-
-#include <QtCore/qglobal.h>
-
-#ifndef QT_NO_CONCURRENT
-
-#include <QtCore/qtconcurrentiteratekernel.h>
-#include <QtCore/qtconcurrentreducekernel.h>
-
-QT_BEGIN_HEADER
-QT_BEGIN_NAMESPACE
-
-
-#ifndef qdoc
-namespace QtConcurrent {
-
-// map kernel, works with both parallel-for and parallel-while
-template <typename Iterator, typename MapFunctor>
-class MapKernel : public IterateKernel<Iterator, void>
-{
-    MapFunctor map;
-public:
-    typedef void ReturnType;
-    MapKernel(Iterator begin, Iterator end, MapFunctor _map)
-        : IterateKernel<Iterator, void>(begin, end), map(_map)
-    { }
-
-    bool runIteration(Iterator it, int, void *)
-    {
-        map(*it);
-        return false;
-    }
-
-    bool runIterations(Iterator sequenceBeginIterator, int beginIndex, int endIndex, void *)
-    {
-        Iterator it = sequenceBeginIterator;
-        advance(it, beginIndex);
-        for (int i = beginIndex; i < endIndex; ++i) {
-            runIteration(it, i, 0);
-            advance(it, 1);
-        }
-       
-        return false;
-    }
-};
-
-template <typename ReducedResultType,
-          typename Iterator,
-          typename MapFunctor,
-          typename ReduceFunctor,
-          typename Reducer = ReduceKernel<ReduceFunctor,
-                                          ReducedResultType,
-                                          typename MapFunctor::result_type> >
-class MappedReducedKernel : public IterateKernel<Iterator, ReducedResultType>
-{
-    ReducedResultType reducedResult;
-    MapFunctor map;
-    ReduceFunctor reduce;
-    Reducer reducer;
-public:
-    typedef ReducedResultType ReturnType;
-    MappedReducedKernel(Iterator begin, Iterator end, MapFunctor _map, ReduceFunctor _reduce, ReduceOptions reduceOptions)
-        : IterateKernel<Iterator, ReducedResultType>(begin, end), reducedResult(), map(_map), reduce(_reduce), reducer(reduceOptions)
-    { }
-
-    MappedReducedKernel(ReducedResultType initialValue,
-                     MapFunctor _map,
-                     ReduceFunctor _reduce)
-        : reducedResult(initialValue), map(_map), reduce(_reduce)
-    { }
-
-    bool runIteration(Iterator it, int index, ReducedResultType *)
-    {
-        IntermediateResults<typename MapFunctor::result_type> results;
-        results.begin = index;
-        results.end = index + 1;
-
-        results.vector.append(map(*it));
-        reducer.runReduce(reduce, reducedResult, results);
-        return false;
-    }
-
-    bool runIterations(Iterator sequenceBeginIterator, int begin, int end, ReducedResultType *)
-    {
-        IntermediateResults<typename MapFunctor::result_type> results;
-        results.begin = begin;
-        results.end = end;
-        results.vector.reserve(end - begin);
-
-        Iterator it = sequenceBeginIterator;
-        advance(it, begin);
-        for (int i = begin; i < end; ++i) {
-            results.vector.append(map(*(it)));
-            advance(it, 1);
-        }
-
-        reducer.runReduce(reduce, reducedResult, results);
-        return false;
-    }
-
-    void finish()
-    {
-        reducer.finish(reduce, reducedResult);
-    }
-
-    bool shouldThrottleThread()
-    {
-        return IterateKernel<Iterator, ReducedResultType>::shouldThrottleThread() || reducer.shouldThrottle();
-    }
-
-    bool shouldStartThread()
-    {
-        return IterateKernel<Iterator, ReducedResultType>::shouldStartThread() && reducer.shouldStartThread();
-    }
-
-    typedef ReducedResultType ResultType;
-    ReducedResultType *result()
-    {
-        return &reducedResult;
-    }
-};
-
-template <typename Iterator, typename MapFunctor>
-class MappedEachKernel : public IterateKernel<Iterator, typename MapFunctor::result_type>
-{
-    MapFunctor map;
-    typedef typename MapFunctor::result_type T;
-public:
-    typedef T ReturnType;
-    typedef T ResultType;
-
-    MappedEachKernel(Iterator begin, Iterator end, MapFunctor _map)
-        : IterateKernel<Iterator, T>(begin, end), map(_map) { }
-
-    bool runIteration(Iterator it, int,  T *result)
-    {
-        *result = map(*it);
-        return true;
-    }
-
-    bool runIterations(Iterator sequenceBeginIterator, int begin, int end, T *results)
-    {
-
-        Iterator it = sequenceBeginIterator;
-        advance(it, begin);
-        for (int i = begin; i < end; ++i) {
-            runIteration(it, i, results + (i - begin));
-            advance(it, 1);
-        }
-
-        return true;
-    }
-};
-
-template <typename Iterator, typename Functor>
-inline ThreadEngineStarter<void> startMap(Iterator begin, Iterator end, Functor functor)
-{
-    return startThreadEngine(new MapKernel<Iterator, Functor>(begin, end, functor));
-}
-
-template <typename T, typename Iterator, typename Functor>
-inline ThreadEngineStarter<T> startMapped(Iterator begin, Iterator end, Functor functor)
-{
-    return startThreadEngine(new MappedEachKernel<Iterator, Functor>(begin, end, functor));
-}
-
-/*
-    The SequnceHolder class is used to hold a reference to the
-    sequence we are working on.
-*/
-template <typename Sequence, typename Base, typename Functor>
-struct SequenceHolder1 : public Base
-{
-    SequenceHolder1(const Sequence &_sequence, Functor functor)
-        : Base(_sequence.begin(), _sequence.end(), functor), sequence(_sequence)
-    { }
-
-    Sequence sequence;
-
-    void finish()
-    {
-        Base::finish();
-        // Clear the sequence to make sure all temporaries are destroyed
-        // before finished is signaled.
-        sequence = Sequence();
-    }
-};
-
-template <typename T, typename Sequence, typename Functor>
-inline ThreadEngineStarter<T> startMapped(const Sequence &sequence, Functor functor)
-{
-    typedef SequenceHolder1<Sequence,
-                            MappedEachKernel<typename Sequence::const_iterator , Functor>, Functor>
-                            SequenceHolderType;
-
-    return startThreadEngine(new SequenceHolderType(sequence, functor));
-}
-
-template <typename IntermediateType, typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
-inline ThreadEngineStarter<ResultType> startMappedReduced(const Sequence & sequence,
-                                                           MapFunctor mapFunctor, ReduceFunctor reduceFunctor,
-                                                           ReduceOptions options)
-{
-    typedef typename Sequence::const_iterator Iterator;
-    typedef ReduceKernel<ReduceFunctor, ResultType, IntermediateType> Reducer;
-    typedef MappedReducedKernel<ResultType, Iterator, MapFunctor, ReduceFunctor, Reducer> MappedReduceType;
-    typedef SequenceHolder2<Sequence, MappedReduceType, MapFunctor, ReduceFunctor> SequenceHolderType;
-    return startThreadEngine(new SequenceHolderType(sequence, mapFunctor, reduceFunctor, options));
-}
-
-template <typename IntermediateType, typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
-inline ThreadEngineStarter<ResultType> startMappedReduced(Iterator begin, Iterator end,
-                                                           MapFunctor mapFunctor, ReduceFunctor reduceFunctor,
-                                                           ReduceOptions options)
-{
-    typedef ReduceKernel<ReduceFunctor, ResultType, IntermediateType> Reducer;
-    typedef MappedReducedKernel<ResultType, Iterator, MapFunctor, ReduceFunctor, Reducer> MappedReduceType;
-    return startThreadEngine(new MappedReduceType(begin, end, mapFunctor, reduceFunctor, options));
-}
-
-} // namespace QtConcurrent
-
-#endif //qdoc
-
-QT_END_NAMESPACE
-QT_END_HEADER
-
-#endif // QT_NO_CONCURRENT
-
-#endif
author	Lars Knoll <lars.knoll@nokia.com>	2012-02-03 14:17:26 +0100
committer	Qt by Nokia <qt-info@nokia.com>	2012-02-05 17:49:16 +0100
commit	96501b0a18f4f70048403dccc4cb42dd71db8f9d (patch)
tree	ec4b95139854d1116ad75467c3c08df39fafeb27 /src/corelib/concurrent/qtconcurrentmapkernel.h
parent	c8156cab81690526adffa22214657fc1c6563b8b (diff)