ut::Object_cache< T > Class Template Reference

A class to manage objects of type T. More...

#include <ut0object_cache.h>

Public Member Functions
	~Object_cache ()
	Destructor. More...
template<typename... Types>
dberr_t	init (size_t size, size_t step, Types &&... args)
	Initialize the cache. More...
template<typename... Types>
T *	allocate (Types &&... args)
template<typename... Types>
dberr_t	extend (size_t size, Types &&... args)
void	deallocate (T *obj)

Private Attributes
std::vector< T * >	m_objects
	Cached objects. More...
size_t	m_step {1}
	When the cache is extended, how many new objects needs to be created. More...
size_t	m_index {0}
	Position of next object to be allocated. More...

Detailed Description

template<typename T>
class ut::Object_cache< T >

A class to manage objects of type T.

Constructor & Destructor Documentation

~Object_cache()

template<typename T >

ut::Object_cache< T >::~Object_cache ( )

inline

Destructor.

Frees the cached objects.

Member Function Documentation

allocate()

template<typename T >

template<typename... Types>

T * ut::Object_cache< T >::allocate ( Types &&...  args )

inline

deallocate()

template<typename T >

void ut::Object_cache< T >::deallocate ( T *  obj )

inline

extend()

template<typename T >

template<typename... Types>

dberr_t ut::Object_cache< T >::extend ( size_t  size, Types &&...  args  )

inline

init()

template<typename T >

template<typename... Types>

dberr_t ut::Object_cache< T >::init ( size_t  size, size_t  step, Types &&...  args  )

inline

Initialize the cache.

Parameters

[in]	size	initial number of objects to cache.
[in]	step	when extending cache, number of objects to add.
[in]	args	arguments to be passed to constructor of T

Member Data Documentation

m_index

template<typename T >

size_t ut::Object_cache< T >::m_index {0}

private

Position of next object to be allocated.

m_objects

template<typename T >

std::vector<T *> ut::Object_cache< T >::m_objects

private

Cached objects.

m_step

template<typename T >

size_t ut::Object_cache< T >::m_step {1}

private

When the cache is extended, how many new objects needs to be created.

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

• storage/innobase/include/ut0object_cache.h