CCache< T > Class Template Reference

Inheritance diagram for CCache< T >:

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List of all members.

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Detailed Description

template<class T>
class CCache< T >

template class Cache

Definition at line 22 of file Cache.h.

Public Member Functions
	CCache (LONG cache_size, LONG obj_size, LONG num_entries)
	~CCache ()
bool	is_cached (LONG number)
T *	lock_entry (LONG number)
void	unlock_entry (LONG number)
T *	set_entry (LONG number)
Public Attributes
bool	cache_is_full
LONG	entry_size
LONG	nr_cache_lines
TEntry *	lookup_table
TEntry **	cache_table
T *	cache_block
Static Public Attributes
static CParallel	parallel
static CIO	io
static CVersion	version
Classes
struct	TEntry

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Constructor & Destructor Documentation

template<class T>

CCache< T >::CCache	(	LONG	cache_size,
		LONG	obj_size,
		LONG	num_entries
	)

constructor

create a cache in which num_entries objects can be cached whose lookup table of sizeof(LONG)*num_entries must fit into memory

Parameters:

	cache_size	cache size in Megabytes
	obj_size	object size
	num_entries	number of cached objects

Definition at line 46 of file Cache.h.

template<class T>

CCache< T >::~CCache

(

)

Definition at line 90 of file Cache.h.

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Member Function Documentation

template<class T>

bool CCache< T >::is_cached

(

LONG

number

)

checks if an object is cached

Parameters:

number

number of object to check for

Returns:

if an object is cached

Definition at line 102 of file Cache.h.

template<class T>

T* CCache< T >::lock_entry

(

LONG

number

)

lock and get a cache entry

Parameters:

number

number of object to lock and get

Returns:

cache entry or NULL when not cached

Definition at line 112 of file Cache.h.

template<class T>

void CCache< T >::unlock_entry

(

LONG

number

)

unlock a cache entry

Parameters:

number

number of object to unlock

Definition at line 128 of file Cache.h.

template<class T>

T* CCache< T >::set_entry

(

LONG

number

)

returns the address of a free cache entry to where the data of size obj_size has to be written

Parameters:

number

number of object to unlock

Returns:

address of a free cache entry

Definition at line 141 of file Cache.h.

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Member Data Documentation

template<class T>

bool CCache< T >::cache_is_full

if cache is full

Definition at line 223 of file Cache.h.

template<class T>

LONG CCache< T >::entry_size

size of one entry

Definition at line 225 of file Cache.h.

template<class T>

LONG CCache< T >::nr_cache_lines

number of cache lines

Definition at line 227 of file Cache.h.

template<class T>

TEntry* CCache< T >::lookup_table

lookup table

Definition at line 229 of file Cache.h.

template<class T>

TEntry** CCache< T >::cache_table

cache table containing cached objects

Definition at line 231 of file Cache.h.

template<class T>

T* CCache< T >::cache_block

cache block

Definition at line 233 of file Cache.h.

CParallel CSGObject::parallel [static, inherited]

Definition at line 105 of file SGObject.h.

CIO CSGObject::io [static, inherited]

Definition at line 106 of file SGObject.h.

CVersion CSGObject::version [static, inherited]

Definition at line 107 of file SGObject.h.

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

• Cache.h