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CPageCache Class Reference

class CPageCache : public CBase

Provides a cache for page pools.

Persistent page pools rely on a cache to provide in-memory space for their pages and to cache frequently accessed pages.

Inherits from

Public Member Functions
CPageCache()
~CPageCache()
IMPORT_C voidConstructL(TInt)
IMPORT_C CPageCache *NewL(TInt)
IMPORT_C CPageCache *NewLC(TInt)
Private Member Functions
TCachePage *Find(TCachePagePool *, TPageRef)
Inherited Functions
CBase::CBase()
CBase::Delete(CBase *)
CBase::Extension_(TUint,TAny *&,TAny *)
CBase::operator new(TUint)
CBase::operator new(TUint,TAny *)
CBase::operator new(TUint,TLeave)
CBase::operator new(TUint,TLeave,TUint)
CBase::operator new(TUint,TUint)
CBase::~CBase()
Private Attributes
SCachePage *iEnd
TDblQue< TCachePage >iFree
SCachePage *iPages

Constructor & Destructor Documentation

CPageCache()

IMPORT_CCPageCache()

Default constructor.

~CPageCache()

IMPORT_C~CPageCache()

Destructor.

All cache pages are deleted.

Member Functions Documentation

ConstructL(TInt)

IMPORT_C voidConstructL(TIntaPages = EDefaultPages)

Second phase construction.

Parameters

TInt aPages = EDefaultPagesNumber of pages in the cache

Find(TCachePagePool *, TPageRef)

TCachePage *Find(TCachePagePool *aPool,
TPageRefaRef
)[private]

Parameters

TCachePagePool * aPool
TPageRef aRef

NewL(TInt)

IMPORT_C CPageCache *NewL(TIntaPages = EDefaultPages)[static]

Allocates and constructs a new page cache.

Parameters

TInt aPages = EDefaultPagesNumber of pages in the cache

NewLC(TInt)

IMPORT_C CPageCache *NewLC(TIntaPages = EDefaultPages)[static]

Allocates and constructs a new page cache, and leaves it on the cleanup stack.

Parameters

TInt aPages = EDefaultPagesNumber of pages in the cache

Member Data Documentation

SCachePage * iEnd

SCachePage *iEnd[private]

TDblQue< TCachePage > iFree

TDblQue< TCachePage >iFree[private]

SCachePage * iPages

SCachePage *iPages[private]

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