Qt 6.x
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Public Types | Public Member Functions | Public Attributes | List of all members
QtConcurrent::IterateKernel< Iterator, T > Class Template Reference

\inmodule QtConcurrent More...

#include <qtconcurrentiteratekernel.h>

+ Inheritance diagram for QtConcurrent::IterateKernel< Iterator, T >:
+ Collaboration diagram for QtConcurrent::IterateKernel< Iterator, T >:

Public Types

typedef T ResultType
 
- Public Types inherited from QtConcurrent::ThreadEngine< T >
typedef T ResultType
 
- Public Types inherited from QRunnable
template<typename Callable >
using if_callable = std::enable_if_t< std::is_invocable_r_v< void, Callable >, bool >
 

Public Member Functions

template<typename U = T, std::enable_if_t< std::is_same_v< U, void >, bool > = true>
 IterateKernel (QThreadPool *pool, Iterator _begin, Iterator _end)
 
template<typename U = T, std::enable_if_t<!std::is_same_v< U, void >, bool > = true>
 IterateKernel (QThreadPool *pool, Iterator _begin, Iterator _end)
 
template<typename U = T, std::enable_if_t<!std::is_same_v< U, void >, bool > = true>
 IterateKernel (QThreadPool *pool, Iterator _begin, Iterator _end, U &&_defaultValue)
 
virtual ~IterateKernel ()
 
virtual bool runIteration (Iterator, int, T *)
 
virtual bool runIterations (Iterator, int, int, T *)
 
void start () override
 
bool shouldStartThread () override
 
ThreadFunctionResult threadFunction () override
 
ThreadFunctionResult forThreadFunction ()
 
ThreadFunctionResult whileThreadFunction ()
 
- Public Member Functions inherited from QtConcurrent::ThreadEngine< T >
 ThreadEngine (QThreadPool *pool)
 
virtual T * result ()
 
QFutureInterface< T > * futureInterfaceTyped ()
 
T * startSingleThreaded ()
 
QFuture< T > startAsynchronously ()
 
void asynchronousFinish () override
 
void reportResult (const T *_result, int index=-1)
 
void reportResults (const QList< T > &_result, int index=-1, int count=-1)
 
- Public Member Functions inherited from QtConcurrent::ThreadEngineBase
 ThreadEngineBase (QThreadPool *pool)
 
virtual ~ThreadEngineBase ()
 
void startSingleThreaded ()
 
void startThread ()
 
bool isCanceled ()
 
void waitForResume ()
 
bool isProgressReportingEnabled ()
 
void setProgressValue (int progress)
 
void setProgressRange (int minimum, int maximum)
 
void acquireBarrierSemaphore ()
 
void reportIfSuspensionDone () const
 
- Public Member Functions inherited from QRunnable
virtual void run ()=0
 Implement this pure virtual function in your subclass.
 
constexpr QRunnable () noexcept=default
 Constructs a QRunnable.
 
virtual ~QRunnable ()
 QRunnable virtual destructor.
 
bool autoDelete () const
 Returns true is auto-deletion is enabled; false otherwise.
 
void setAutoDelete (bool autoDelete)
 Enables auto-deletion if autoDelete is true; otherwise auto-deletion is disabled.
 
template<typename Callable , if_callable< Callable > = true>
 QGenericRunnable (Callable &&c)
 
 ~QGenericRunnable () override
 
void run () override
 

Public Attributes

const Iterator begin
 
const Iterator end
 
Iterator current
 
QAtomicInt currentIndex
 
QAtomicInt iteratorThreads
 
QAtomicInt completed
 
const int iterationCount
 
const bool forIteration
 
bool progressReportingEnabled
 
DefaultValueContainer< ResultType > defaultValue
 

Additional Inherited Members

- Static Public Member Functions inherited from QRunnable
template<typename Callable , if_callable< Callable > = true>
static QRunnable * create (Callable &&functionToRun)
 
static QRunnable * create (std::nullptr_t)=delete
 
- Protected Member Functions inherited from QtConcurrent::ThreadEngineBase
virtual void start ()
 
virtual void finish ()
 
virtual ThreadFunctionResult threadFunction ()
 
virtual bool shouldStartThread ()
 
virtual bool shouldThrottleThread ()
 
- Protected Attributes inherited from QtConcurrent::ThreadEngineBase
QFutureInterfaceBase * futureInterface
 
QThreadPool * threadPool
 
ThreadEngineBarrier barrier
 
QtPrivate::ExceptionStore exceptionStore
 
QBasicMutex mutex
 

Detailed Description

template<typename Iterator, typename T>
class QtConcurrent::IterateKernel< Iterator, T >

\inmodule QtConcurrent

Definition at line 146 of file qtconcurrentiteratekernel.h.

Member Typedef Documentation

◆ ResultType

template<typename Iterator , typename T >
typedef T QtConcurrent::IterateKernel< Iterator, T >::ResultType

Definition at line 151 of file qtconcurrentiteratekernel.h.

Constructor & Destructor Documentation

◆ IterateKernel() [1/3]

template<typename Iterator , typename T >
template<typename U = T, std::enable_if_t< std::is_same_v< U, void >, bool > = true>
QtConcurrent::IterateKernel< Iterator, T >::IterateKernel ( QThreadPool *  pool,
Iterator  _begin,
Iterator  _end 
)
inline

Definition at line 154 of file qtconcurrentiteratekernel.h.

◆ IterateKernel() [2/3]

template<typename Iterator , typename T >
template<typename U = T, std::enable_if_t<!std::is_same_v< U, void >, bool > = true>
QtConcurrent::IterateKernel< Iterator, T >::IterateKernel ( QThreadPool *  pool,
Iterator  _begin,
Iterator  _end 
)
inline

Definition at line 166 of file qtconcurrentiteratekernel.h.

◆ IterateKernel() [3/3]

template<typename Iterator , typename T >
template<typename U = T, std::enable_if_t<!std::is_same_v< U, void >, bool > = true>
QtConcurrent::IterateKernel< Iterator, T >::IterateKernel ( QThreadPool *  pool,
Iterator  _begin,
Iterator  _end,
U &&  _defaultValue 
)
inline

Definition at line 179 of file qtconcurrentiteratekernel.h.

◆ ~IterateKernel()

template<typename Iterator , typename T >
virtual QtConcurrent::IterateKernel< Iterator, T >::~IterateKernel ( )
inlinevirtual

Definition at line 191 of file qtconcurrentiteratekernel.h.

Member Function Documentation

◆ forThreadFunction()

template<typename Iterator , typename T >
ThreadFunctionResult QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction ( )
inline

Definition at line 219 of file qtconcurrentiteratekernel.h.

References QtConcurrent::IterateKernel< Iterator, T >::begin, QtConcurrent::BlockSizeManager::blockSize(), QtConcurrent::IterateKernel< Iterator, T >::completed, QtConcurrent::IterateKernel< Iterator, T >::currentIndex, QBasicAtomicInteger< T >::fetchAndAddAcquire(), QBasicAtomicInteger< T >::fetchAndAddRelease(), QtConcurrent::ResultReporter< T >::getPointer(), QtConcurrent::ThreadEngineBase::isCanceled(), QtConcurrent::IterateKernel< Iterator, T >::iterationCount, QBasicAtomicInteger< T >::loadRelaxed(), QtConcurrent::IterateKernel< Iterator, T >::progressReportingEnabled, qMin(), QtConcurrent::ResultReporter< T >::reportResults(), QtConcurrent::ResultReporter< T >::reserveSpace(), QtConcurrent::IterateKernel< Iterator, T >::runIterations(), QtConcurrent::ThreadEngineBase::setProgressValue(), QtConcurrent::IterateKernel< Iterator, T >::shouldStartThread(), QtConcurrent::ThreadEngineBase::shouldThrottleThread(), QtConcurrent::ThreadEngineBase::startThread(), QtConcurrent::ThreadFinished, QtConcurrent::ThreadEngineBase::threadPool, QtConcurrent::ThrottleThread, QtConcurrent::BlockSizeManager::timeAfterUser(), QtConcurrent::BlockSizeManager::timeBeforeUser(), and QtConcurrent::ThreadEngineBase::waitForResume().

Referenced by QtConcurrent::IterateKernel< Iterator, T >::threadFunction().

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◆ runIteration()

template<typename Iterator , typename T >
virtual bool QtConcurrent::IterateKernel< Iterator, T >::runIteration ( Iterator  ,
int  ,
T *   
)
inlinevirtual

Reimplemented in QtConcurrent::FilteredReducedKernel< ReducedResultType, Iterator, KeepFunctor, ReduceFunctor, Reducer >, QtConcurrent::MappedReducedKernel< ReducedResultType, Iterator, MapFunctor, ReduceFunctor, Reducer >, and QtConcurrent::MapKernel< Iterator, MapFunctor >.

Definition at line 193 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::whileThreadFunction().

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◆ runIterations()

template<typename Iterator , typename T >
virtual bool QtConcurrent::IterateKernel< Iterator, T >::runIterations ( Iterator  ,
int  ,
int  ,
T *   
)
inlinevirtual

Reimplemented in QtConcurrent::FilteredReducedKernel< ReducedResultType, Iterator, KeepFunctor, ReduceFunctor, Reducer >, QtConcurrent::MappedReducedKernel< ReducedResultType, Iterator, MapFunctor, ReduceFunctor, Reducer >, and QtConcurrent::MapKernel< Iterator, MapFunctor >.

Definition at line 194 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction().

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◆ shouldStartThread()

template<typename Iterator , typename T >
bool QtConcurrent::IterateKernel< Iterator, T >::shouldStartThread ( )
inlineoverridevirtual

Reimplemented from QtConcurrent::ThreadEngineBase.

Reimplemented in QtConcurrent::MappedReducedKernel< ReducedResultType, Iterator, MapFunctor, ReduceFunctor, Reducer >.

Definition at line 203 of file qtconcurrentiteratekernel.h.

References QtConcurrent::IterateKernel< Iterator, T >::currentIndex, QtConcurrent::IterateKernel< Iterator, T >::forIteration, QtConcurrent::IterateKernel< Iterator, T >::iterationCount, QtConcurrent::IterateKernel< Iterator, T >::iteratorThreads, QBasicAtomicInteger< T >::loadRelaxed(), and QtConcurrent::ThreadEngineBase::shouldThrottleThread().

Referenced by QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction(), QtConcurrent::FilterKernel< Sequence, KeepFunctor, ReduceFunctor >::shouldStartThread(), QtConcurrent::MappedReducedKernel< ReducedResultType, Iterator, MapFunctor, ReduceFunctor, Reducer >::shouldStartThread(), and QtConcurrent::IterateKernel< Iterator, T >::whileThreadFunction().

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◆ start()

template<typename Iterator , typename T >
void QtConcurrent::IterateKernel< Iterator, T >::start ( )
inlineoverridevirtual

Reimplemented from QtConcurrent::ThreadEngineBase.

Definition at line 196 of file qtconcurrentiteratekernel.h.

References QtConcurrent::ThreadEngineBase::isProgressReportingEnabled(), QtConcurrent::IterateKernel< Iterator, T >::iterationCount, QtConcurrent::IterateKernel< Iterator, T >::progressReportingEnabled, and QtConcurrent::ThreadEngineBase::setProgressRange().

Referenced by QtConcurrent::FilteredEachKernel< Iterator, KeepFunctor >::start().

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◆ threadFunction()

template<typename Iterator , typename T >
ThreadFunctionResult QtConcurrent::IterateKernel< Iterator, T >::threadFunction ( )
inlineoverridevirtual

Reimplemented from QtConcurrent::ThreadEngineBase.

Definition at line 211 of file qtconcurrentiteratekernel.h.

References QtConcurrent::IterateKernel< Iterator, T >::forIteration, QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction(), and QtConcurrent::IterateKernel< Iterator, T >::whileThreadFunction().

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◆ whileThreadFunction()

template<typename Iterator , typename T >
ThreadFunctionResult QtConcurrent::IterateKernel< Iterator, T >::whileThreadFunction ( )
inline

Definition at line 270 of file qtconcurrentiteratekernel.h.

References QtConcurrent::IterateKernel< Iterator, T >::current, QtConcurrent::IterateKernel< Iterator, T >::currentIndex, QBasicAtomicInteger< T >::fetchAndAddRelaxed(), QtConcurrent::ResultReporter< T >::getPointer(), QtConcurrent::IterateKernel< Iterator, T >::iteratorThreads, QtConcurrent::ResultReporter< T >::reportResults(), QtConcurrent::ResultReporter< T >::reserveSpace(), QtConcurrent::IterateKernel< Iterator, T >::runIteration(), QtConcurrent::IterateKernel< Iterator, T >::shouldStartThread(), QtConcurrent::ThreadEngineBase::shouldThrottleThread(), QtConcurrent::ThreadEngineBase::startThread(), QBasicAtomicInteger< T >::testAndSetAcquire(), QBasicAtomicInteger< T >::testAndSetRelease(), QtConcurrent::ThreadFinished, QtConcurrent::ThrottleThread, and QtConcurrent::ThreadEngineBase::waitForResume().

Referenced by QtConcurrent::IterateKernel< Iterator, T >::threadFunction().

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Member Data Documentation

◆ begin

template<typename Iterator , typename T >
const Iterator QtConcurrent::IterateKernel< Iterator, T >::begin

Definition at line 316 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction().

◆ completed

template<typename Iterator , typename T >
QAtomicInt QtConcurrent::IterateKernel< Iterator, T >::completed

Definition at line 321 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction().

◆ current

template<typename Iterator , typename T >
Iterator QtConcurrent::IterateKernel< Iterator, T >::current

Definition at line 318 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::whileThreadFunction().

◆ currentIndex

template<typename Iterator , typename T >
QAtomicInt QtConcurrent::IterateKernel< Iterator, T >::currentIndex

Definition at line 319 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction(), QtConcurrent::IterateKernel< Iterator, T >::shouldStartThread(), and QtConcurrent::IterateKernel< Iterator, T >::whileThreadFunction().

◆ defaultValue

template<typename Iterator , typename T >
DefaultValueContainer<ResultType> QtConcurrent::IterateKernel< Iterator, T >::defaultValue

Definition at line 325 of file qtconcurrentiteratekernel.h.

◆ end

template<typename Iterator , typename T >
const Iterator QtConcurrent::IterateKernel< Iterator, T >::end

Definition at line 317 of file qtconcurrentiteratekernel.h.

◆ forIteration

template<typename Iterator , typename T >
const bool QtConcurrent::IterateKernel< Iterator, T >::forIteration

Definition at line 323 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::shouldStartThread(), and QtConcurrent::IterateKernel< Iterator, T >::threadFunction().

◆ iterationCount

template<typename Iterator , typename T >
const int QtConcurrent::IterateKernel< Iterator, T >::iterationCount

Definition at line 322 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction(), QtConcurrent::IterateKernel< Iterator, T >::shouldStartThread(), and QtConcurrent::IterateKernel< Iterator, T >::start().

◆ iteratorThreads

template<typename Iterator , typename T >
QAtomicInt QtConcurrent::IterateKernel< Iterator, T >::iteratorThreads

Definition at line 320 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::shouldStartThread(), and QtConcurrent::IterateKernel< Iterator, T >::whileThreadFunction().

◆ progressReportingEnabled

template<typename Iterator , typename T >
bool QtConcurrent::IterateKernel< Iterator, T >::progressReportingEnabled

Definition at line 324 of file qtconcurrentiteratekernel.h.

Referenced by QtConcurrent::IterateKernel< Iterator, T >::forThreadFunction(), and QtConcurrent::IterateKernel< Iterator, T >::start().

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