KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args > Struct Template Reference

#include <KisLazySharedCacheStorage.h>

Classes
struct	SharedStorage

Public Types
using	ConstType = std::add_const_t<T>
using	FactoryType = T*(Args...)

Public Member Functions
	DataWrapperShared ()
	DataWrapperShared (const DataWrapperShared &rhs)=default
	DataWrapperShared (T *value)
bool	hasValue () const
ConstType *	lazyInitialize (const std::function< FactoryType > &factory, Args... args)
DataWrapperShared &	operator= (const DataWrapperShared &rhs)=default
void	reset ()

Private Attributes
QSharedPointer< SharedStorage >	m_sharedStorage

Detailed Description

template<typename T, typename... Args>
struct KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >

A policy-like class for sharing DataStorage object between the two different objects. It just ads one more level of locking to ensure thread-safety.

Definition at line 67 of file KisLazySharedCacheStorage.h.

Member Typedef Documentation

ConstType

template<typename T , typename... Args>

using KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::ConstType = std::add_const_t<T>

Definition at line 69 of file KisLazySharedCacheStorage.h.

FactoryType

template<typename T , typename... Args>

using KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::FactoryType = T*(Args...)

Definition at line 70 of file KisLazySharedCacheStorage.h.

Constructor & Destructor Documentation

DataWrapperShared() [1/3]

template<typename T , typename... Args>

KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::DataWrapperShared ( )

inline

Definition at line 87 of file KisLazySharedCacheStorage.h.

: m_sharedStorage(new SharedStorage()) {}

DataWrapperShared() [2/3]

template<typename T , typename... Args>

KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::DataWrapperShared ( T * value )

inline

Definition at line 88 of file KisLazySharedCacheStorage.h.

: m_sharedStorage(new SharedStorage(value)) {}

DataWrapperShared() [3/3]

template<typename T , typename... Args>

KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::DataWrapperShared ( const DataWrapperShared< T, Args > & rhs )

default

Member Function Documentation

hasValue()

template<typename T , typename... Args>

bool KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::hasValue ( ) const

inline

Definition at line 97 of file KisLazySharedCacheStorage.h.

                          {
        QMutexLocker l(&m_sharedStorage->sharedMutex);
        return m_sharedStorage->m_value.hasValue();
    }

References KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::m_sharedStorage.

lazyInitialize()

template<typename T , typename... Args>

ConstType * KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::lazyInitialize ( const std::function< FactoryType > & factory, Args... args )

inline

Definition at line 92 of file KisLazySharedCacheStorage.h.

                                                                                     {
        QMutexLocker l(&m_sharedStorage->sharedMutex);
        return m_sharedStorage->m_value.lazyInitialize(factory, std::forward<Args...>(args...));
    }

References KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::m_sharedStorage.

operator=()

template<typename T , typename... Args>

DataWrapperShared & KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::operator= ( const DataWrapperShared< T, Args > & rhs )

default

reset()

template<typename T , typename... Args>

void KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::reset ( )

inline

Definition at line 102 of file KisLazySharedCacheStorage.h.

                 {
        m_sharedStorage.reset(new SharedStorage());
    }

References KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::m_sharedStorage.

Member Data Documentation

m_sharedStorage

template<typename T , typename... Args>

QSharedPointer<SharedStorage> KisLazySharedCacheStorageDetail::DataWrapperShared< T, Args >::m_sharedStorage

private

Definition at line 107 of file KisLazySharedCacheStorage.h.

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

• libs/global/KisLazySharedCacheStorage.h