dbQueryElementAllocator Class Reference

#include <query.h>

List of all members.

---

Detailed Description

Allocator of query elements.

This class links deallocated elements in the list of free elements, and reused them in future. So number of system memory allocator invocations is dramatically reduced. Cleanup of free elements lst is performed by dbDatabase::cleanup() method

Public Member Functions
void	deallocate (dbQueryElement *first, dbQueryElement **lastNext)
void *	allocate (size_t size)
	dbQueryElementAllocator ()
	~dbQueryElementAllocator ()
Static Public Attributes
static dbQueryElementAllocator	instance
Private Attributes
dbMutex	mutex
dbQueryElement *	freeChain
Friends
class	dbDatabase

---

Constructor & Destructor Documentation

dbQueryElementAllocator

(

)

~dbQueryElementAllocator

(

)

---

Member Function Documentation

void deallocate	(	dbQueryElement *	first,
		dbQueryElement **	lastNext
	)			[inline]

void * allocate

(

size_t

size

)

---

Friends And Related Function Documentation

friend class dbDatabase [friend]

---

Member Data Documentation

dbMutex mutex [private]

dbQueryElement* freeChain [private]

BEGIN_FASTDB_NAMESPACE dbQueryElementAllocator instance [static]