KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args > Struct Template Reference

#include <KisLazySharedCacheStorage.h>

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

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

Private Attributes
StorageType	m_value

Detailed Description

template<typename StorageType, typename T, typename... Args>
struct KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >

A policy-like class for sharing the data between two objects

Definition at line 28 of file KisLazySharedCacheStorage.h.

Member Typedef Documentation

ConstType

template<typename StorageType , typename T , typename... Args>

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

Definition at line 30 of file KisLazySharedCacheStorage.h.

FactoryType

template<typename StorageType , typename T , typename... Args>

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

Definition at line 31 of file KisLazySharedCacheStorage.h.

Constructor & Destructor Documentation

DataStorage() [1/3]

template<typename StorageType , typename T , typename... Args>

KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >::DataStorage ( )

inline

Definition at line 33 of file KisLazySharedCacheStorage.h.

{}

DataStorage() [2/3]

template<typename StorageType , typename T , typename... Args>

KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >::DataStorage ( T * value )

inline

Definition at line 34 of file KisLazySharedCacheStorage.h.

: m_value(value) {}

DataStorage() [3/3]

template<typename StorageType , typename T , typename... Args>

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

default

Member Function Documentation

hasValue()

template<typename StorageType , typename T , typename... Args>

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

inline

Definition at line 45 of file KisLazySharedCacheStorage.h.

                          {
        return !m_value.isNull();
    }

References KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >::m_value.

lazyInitialize()

template<typename StorageType , typename T , typename... Args>

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

inline

Definition at line 38 of file KisLazySharedCacheStorage.h.

                                                                                     {
        if (!m_value) {
            m_value.reset(factory(std::forward<Args...>(args...)));
        }
        return m_value.data();
    }

References KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >::m_value.

operator=()

template<typename StorageType , typename T , typename... Args>

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

default

reset()

template<typename StorageType , typename T , typename... Args>

void KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >::reset ( )

inline

Definition at line 49 of file KisLazySharedCacheStorage.h.

                 {
        m_value.reset();
    }

References KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >::m_value.

Member Data Documentation

m_value

template<typename StorageType , typename T , typename... Args>

StorageType KisLazySharedCacheStorageDetail::DataStorage< StorageType, T, Args >::m_value

private

Definition at line 54 of file KisLazySharedCacheStorage.h.

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

• libs/global/KisLazySharedCacheStorage.h