QPromise< T > Class Template Reference

#include <qpromise.h>

Collaboration diagram for QPromise< T >:

Public Member Functions
	QPromise ()=default
	QPromise (QPromise< T > &&other)=default
	QPromise (const QFutureInterface< T > &other)
	QPromise (QFutureInterface< T > &&other) noexcept
	~QPromise ()
QFuture< T >	future () const
template<typename... Args, std::enable_if_t< std::is_constructible_v< T, Args... >, bool > = true>
bool	emplaceResultAt (int index, Args &&...args)
template<typename... Args, std::enable_if_t< std::is_constructible_v< T, Args... >, bool > = true>
bool	emplaceResult (Args &&...args)
template<typename U = T, typename = QtPrivate::EnableIfSameOrConvertible<U, T>>
bool	addResult (U &&result, int index=-1)
bool	addResults (const QList< T > &result)
void	setException (const QException &e)
void	setException (const std::exception_ptr &e)
void	start ()
void	finish ()
void	suspendIfRequested ()
bool	isCanceled () const
void	setProgressRange (int minimum, int maximum)
void	setProgressValue (int progressValue)
void	setProgressValueAndText (int progressValue, const QString &progressText)
void	swap (QPromise< T > &other) noexcept

Detailed Description

template<typename T>
class QPromise< T >

Definition at line 24 of file qpromise.h.

Constructor & Destructor Documentation

QPromise() [1/4]

template<typename T >

QPromise< T >::QPromise ( )

default

QPromise() [2/4]

template<typename T >

QPromise< T >::QPromise ( QPromise< T > &&  other )

default

QPromise() [3/4]

template<typename T >

QPromise< T >::QPromise ( const QFutureInterface< T > &  other )

inline

Definition at line 33 of file qpromise.h.

QPromise() [4/4]

template<typename T >

QPromise< T >::QPromise ( QFutureInterface< T > &&  other )

inlinenoexcept

Definition at line 34 of file qpromise.h.

~QPromise()

template<typename T >

QPromise< T >::~QPromise ( )

inline

Definition at line 36 of file qpromise.h.

References QFutureInterfaceBase::Finished.

Member Function Documentation

addResult()

template<typename T >

template<typename U = T, typename = QtPrivate::EnableIfSameOrConvertible<U, T>>

bool QPromise< T >::addResult ( U &&  result, int  index = -1  )

inline

Definition at line 60 of file qpromise.h.

Referenced by aFunction(), cancel(), QtPrivate::WhenAllContext< ResultFutures >::checkForCompletion(), QtPrivate::WhenAnyContext< ResultType >::checkForCompletion(), QtPrivate::fulfillPromise(), QtPrivate::fulfillPromise(), helloWorldFunction(), increment(), and QQmlXmlListModelQueryRunnable::run().

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addResults()

template<typename T >

bool QPromise< T >::addResults ( const QList< T > &  result )

inline

Definition at line 64 of file qpromise.h.

emplaceResult()

template<typename T >

template<typename... Args, std::enable_if_t< std::is_constructible_v< T, Args... >, bool > = true>

bool QPromise< T >::emplaceResult ( Args &&...  args )

inline

Definition at line 55 of file qpromise.h.

References args.

emplaceResultAt()

template<typename T >

template<typename... Args, std::enable_if_t< std::is_constructible_v< T, Args... >, bool > = true>

bool QPromise< T >::emplaceResultAt ( int  index, Args &&...  args  )

inline

Definition at line 50 of file qpromise.h.

References args.

finish()

template<typename T >

void QPromise< T >::finish ( )

inline

Definition at line 75 of file qpromise.h.

Referenced by QtPrivate::WhenAllContext< ResultFutures >::checkForCompletion(), QtPrivate::WhenAnyContext< ResultType >::checkForCompletion(), and QQmlXmlListModelQueryRunnable::run().

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future()

template<typename T >

QFuture< T > QPromise< T >::future ( ) const

inline

Definition at line 48 of file qpromise.h.

Referenced by QQmlXmlListModelQueryRunnable::future().

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isCanceled()

template<typename T >

bool QPromise< T >::isCanceled ( ) const

inline

Definition at line 79 of file qpromise.h.

Referenced by aFunction(), and QQmlXmlListModelQueryRunnable::run().

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setException() [1/2]

template<typename T >

void QPromise< T >::setException ( const QException &  e )

inline

Definition at line 67 of file qpromise.h.

References e.

setException() [2/2]

template<typename T >

void QPromise< T >::setException ( const std::exception_ptr &  e )

inline

Definition at line 71 of file qpromise.h.

References e.

setProgressRange()

template<typename T >

void QPromise< T >::setProgressRange ( int  minimum, int  maximum  )

inline

Definition at line 82 of file qpromise.h.

Referenced by cancel().

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setProgressValue()

template<typename T >

void QPromise< T >::setProgressValue ( int  progressValue )

inline

Definition at line 83 of file qpromise.h.

Referenced by cancel().

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setProgressValueAndText()

template<typename T >

void QPromise< T >::setProgressValueAndText ( int  progressValue, const QString &  progressText  )

inline

Definition at line 84 of file qpromise.h.

start()

template<typename T >

void QPromise< T >::start ( )

inline

Definition at line 74 of file qpromise.h.

Referenced by QQmlXmlListModelQueryRunnable::run().

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suspendIfRequested()

template<typename T >

void QPromise< T >::suspendIfRequested ( )

inline

Definition at line 77 of file qpromise.h.

Referenced by aFunction().

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swap()

template<typename T >

void QPromise< T >::swap ( QPromise< T > &  other )

inlinenoexcept

Definition at line 89 of file qpromise.h.

References other().

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

• qtbase/src/corelib/thread/qfuture_impl.h
• qtbase/src/corelib/thread/qpromise.h