MappedEachKernel< Iterator, MapFunctor > Class Template Reference

#include <qtconcurrentmapkernel.h>

Class Description

template<typename Iterator, typename MapFunctor>
class QtConcurrent::MappedEachKernel< Iterator, MapFunctor >

Definition at line 167 of file qtconcurrentmapkernel.h.

Inheritance diagram for MappedEachKernel< Iterator, MapFunctor >:

Public Types
typedef T	ReturnType
typedef T	ResultType
Public Types inherited from IterateKernel< Iterator, MapFunctor::result_type >
typedef MapFunctor::result_type	ResultType
Public Types inherited from ThreadEngine< MapFunctor::result_type >
typedef MapFunctor::result_type	ResultType

Public Member Functions
	MappedEachKernel (Iterator begin, Iterator end, MapFunctor _map)
bool	runIteration (Iterator it, int, T *result)
bool	runIterations (Iterator sequenceBeginIterator, int begin, int end, T *results)
Public Member Functions inherited from IterateKernel< Iterator, MapFunctor::result_type >
	IterateKernel (Iterator _begin, Iterator _end)
virtual	~IterateKernel ()
void	start ()
bool	shouldStartThread ()
ThreadFunctionResult	threadFunction ()
ThreadFunctionResult	forThreadFunction ()
ThreadFunctionResult	whileThreadFunction ()
Public Member Functions inherited from ThreadEngine< MapFunctor::result_type >
virtual MapFunctor::result_type *	result ()
QFutureInterface< MapFunctor::result_type > *	futureInterfaceTyped ()
MapFunctor::result_type *	startSingleThreaded ()
MapFunctor::result_type *	startBlocking ()
QFuture< MapFunctor::result_type >	startAsynchronously ()
void	asynchronousFinish ()
void	reportResult (const MapFunctor::result_type *_result, int index=-1)
void	reportResults (const QVector< MapFunctor::result_type > &_result, int index=-1, int count=-1)
Public Member Functions inherited from ThreadEngineBase
	ThreadEngineBase ()
virtual	~ThreadEngineBase ()
void	startSingleThreaded ()
void	startBlocking ()
void	startThread ()
bool	isCanceled ()
void	waitForResume ()
bool	isProgressReportingEnabled ()
void	setProgressValue (int progress)
void	setProgressRange (int minimum, int maximum)
void	acquireBarrierSemaphore ()
Public Member Functions inherited from QRunnable
	QRunnable ()
virtual	~QRunnable ()
bool	autoDelete () const
void	setAutoDelete (bool _autoDelete)

Additional Inherited Members
Public Attributes inherited from IterateKernel< Iterator, MapFunctor::result_type >
const Iterator	begin
const Iterator	end
Iterator	current
QAtomicInt	currentIndex
bool	forIteration
QAtomicInt	iteratorThreads
int	iterationCount
bool	progressReportingEnabled
QAtomicInt	completed
Protected Member Functions inherited from ThreadEngineBase
virtual void	finish ()
virtual bool	shouldThrottleThread ()
Protected Attributes inherited from ThreadEngineBase
QFutureInterfaceBase *	futureInterface
QThreadPool *	threadPool
ThreadEngineBarrier	barrier
QtConcurrent::internal::ExceptionStore	exceptionStore

Member Typedef Documentation

typedef T ReturnType

Definition at line 172 of file qtconcurrentmapkernel.h.

typedef T ResultType

Definition at line 173 of file qtconcurrentmapkernel.h.

Constructor & Destructor Documentation

MappedEachKernel ( Iterator  begin, Iterator  end, MapFunctor  _map  )

inline

Definition at line 175 of file qtconcurrentmapkernel.h.

        : IterateKernel<Iterator, T>(begin, end), map(_map) { }

Member Function Documentation

bool runIteration ( Iterator  it, int  , T *  result  )

inlinevirtual

Reimplemented from IterateKernel< Iterator, MapFunctor::result_type >.

Definition at line 178 of file qtconcurrentmapkernel.h.

    {
        *result = map(*it);
        return true;
    }

bool runIterations ( Iterator  sequenceBeginIterator, int  begin, int  end, T *  results  )

inlinevirtual

Reimplemented from IterateKernel< Iterator, MapFunctor::result_type >.

Definition at line 184 of file qtconcurrentmapkernel.h.

    {

        Iterator it = sequenceBeginIterator;
        advance(it, begin);
        for (int i = begin; i < end; ++i) {
            runIteration(it, i, results + (i - begin));
            advance(it, 1);
        }

        return true;
    }

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The documentation for this class was generated from the following file:

• QtCore/qtconcurrentmapkernel.h