Driver::NV::Null Class Reference

This concrete class provides a 'null' implementation of the NV Storage interface. More...

Detailed Description

This concrete class provides a 'null' implementation of the NV Storage interface.

#include <Null.h>

Inheritance diagram for Driver::NV::Null:

Collaboration diagram for Driver::NV::Null:

Public Member Functions
	Null (size_t numPages=OPTION_DRIVER_NV_NULL_PAGE_SIZE, size_t bytesPerPage=OPTION_DRIVER_NV_NULL_TOTAL_PAGES)
	Constructor.
bool	start () noexcept
	See Driver::NV::Api.
void	stop () noexcept
	See Driver::NV::Api.
bool	write (size_t dstOffset, const void *srcData, size_t numBytesToWrite) noexcept
	See Driver::NV::Api. Always successful.
bool	read (size_t srcOffset, void *dstData, size_t numBytesToRead) noexcept
	See Driver::NV::Api. Always successful. Sets the returned data to all zeros.
size_t	getNumPages () const noexcept
	See Driver::NV::Api.
size_t	getPageSize () const noexcept
	See Driver::NV::Api.
Public Member Functions inherited from Driver::NV::Api
virtual size_t	getTotalSize () const noexcept
	The method that returns the total storage size in bytes.
virtual	~Api ()
	Virtual destructor.

Protected Attributes
size_t	m_numPages
	Number of pages.
size_t	m_bytesPerPage
	Bytes per page.

Constructor & Destructor Documentation

Null()

Driver::NV::Null::Null ( size_t  numPages = OPTION_DRIVER_NV_NULL_PAGE_SIZE, size_t  bytesPerPage = OPTION_DRIVER_NV_NULL_TOTAL_PAGES  )

inline

Constructor.

Member Function Documentation

getNumPages()

size_t Driver::NV::Null::getNumPages ( ) const

inlinevirtualnoexcept

See Driver::NV::Api.

Implements Driver::NV::Api.

getPageSize()

size_t Driver::NV::Null::getPageSize ( ) const

inlinevirtualnoexcept

See Driver::NV::Api.

Implements Driver::NV::Api.

read()

bool Driver::NV::Null::read ( size_t  srcOffset, void *  dstData, size_t  numBytesToRead  )

inlinevirtualnoexcept

See Driver::NV::Api. Always successful. Sets the returned data to all zeros.

Implements Driver::NV::Api.

start()

bool Driver::NV::Null::start ( )

inlinevirtualnoexcept

See Driver::NV::Api.

Implements Driver::NV::Api.

stop()

void Driver::NV::Null::stop ( )

inlinevirtualnoexcept

See Driver::NV::Api.

Implements Driver::NV::Api.

write()

bool Driver::NV::Null::write ( size_t  dstOffset, const void *  srcData, size_t  numBytesToWrite  )

inlinevirtualnoexcept

See Driver::NV::Api. Always successful.

Implements Driver::NV::Api.

Member Data Documentation

m_bytesPerPage

size_t Driver::NV::Null::m_bytesPerPage

protected

Bytes per page.

m_numPages

size_t Driver::NV::Null::m_numPages

protected

Number of pages.

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

• Driver/NV/Null.h