FilteredEachKernel< Iterator, KeepFunctor > Class Template Reference

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Detailed Description

template<typename Iterator, typename KeepFunctor>
class QtConcurrent::FilteredEachKernel< Iterator, KeepFunctor >

Definition at line 247 of file qtconcurrentfilterkernel.h.

#include <qtconcurrentfilterkernel.h>

Inheritance diagram for FilteredEachKernel< Iterator, KeepFunctor >:

List of all members.

Public Types
typedef T	ReturnType
typedef T	ResultType
Public Member Functions
	FilteredEachKernel (Iterator begin, Iterator end, KeepFunctor _keep)
void	start ()
bool	runIteration (Iterator it, int index, T *)
bool	runIterations (Iterator sequenceBeginIterator, int begin, int end, T *)

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Member Typedef Documentation

typedef T ReturnType

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Definition at line 255 of file qtconcurrentfilterkernel.h.

typedef T ResultType

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Reimplemented from IterateKernel< Iterator, qValueType< Iterator >::value_type >.

Definition at line 256 of file qtconcurrentfilterkernel.h.

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Constructor & Destructor Documentation

FilteredEachKernel	(	Iterator	begin,
		Iterator	end,
		KeepFunctor	_keep
	)		[inline]

Definition at line 258 of file qtconcurrentfilterkernel.h.

        : IterateKernelType(begin, end), keep(_keep)
    { }

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Member Function Documentation

void start

(

)

[inline, virtual]

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Reimplemented from IterateKernel< Iterator, qValueType< Iterator >::value_type >.

Definition at line 262 of file qtconcurrentfilterkernel.h.

    {
        if (this->futureInterface)
            this->futureInterface->setFilterMode(true);
        IterateKernelType::start();
    }

bool runIteration	(	Iterator	it,
		int	index,
		T *
	)		[inline]

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Definition at line 269 of file qtconcurrentfilterkernel.h.

    {
        if (keep(*it))
            this->reportResult(&(*it), index);
        else
            this->reportResult(0, index);
        return false;
    }

bool runIterations	(	Iterator	sequenceBeginIterator,
		int	begin,
		int	end,
		T *
	)		[inline]

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Definition at line 278 of file qtconcurrentfilterkernel.h.

    {
        const int count = end - begin;
        IntermediateResults<typename qValueType<Iterator>::value_type> results;
        results.begin = begin;
        results.end = end;
        results.vector.reserve(count);

        Iterator it = sequenceBeginIterator;
        advance(it, begin);
        for (int i = begin; i < end; ++i) {
            if (keep(*it))
                results.vector.append(*it);
            advance(it, 1);
        }

        this->reportResults(results.vector, begin, count);
        return false;
    }

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

• QtCore/qtconcurrentfilterkernel.h