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ObjectBuffer Class Reference

#include <cObjectBuffer.h>

Collaboration diagram for ObjectBuffer:

[legend]List of all members.

Public Methods
	ObjectBuffer ()
	~ObjectBuffer ()
bool	Init (const enum LockingStrategy aLockingStrategy, const enum UpdatingStrategy anUpdateStrategy, const enum WaitingStrategy aWaitingStrategy)
Object *	IsInMemory (const class RefBase &DbPtr)
bool	RegisterObject (const class RefBase &DbPtr, const class Object *const MemPtr)
bool	RemoveObject (class Object *MemPtr, const class Connection *const DbCon)
bool	RemoveObject (const class RefBase &DbPtr)
bool	UpdateAll ()
bool	UpdateAll (const class Connection *const DbC)
bool	UpdateAll (const class Database *const DB)
bool	RemoveAll ()
bool	RemoveAll (const class Connection *const DbC)
bool	RemoveAll (const class Database *const DB)
virtual enum UpdatingStrategy	CurrentUpdatingStrategy () const
virtual bool	SetUpdatingStrategy (enum UpdatingStrategy anUpdateStrategy)
virtual enum WaitingStrategy	CurrentWaitingStrategy () const
virtual bool	SetWaitingStrategy (enum WaitingStrategy aWaitingStrategy)
virtual enum LockingStrategy	CurrentLockingStrategy () const
virtual bool	SetLockingStrategy (enum LockingStrategy aLockingStrategy)
virtual enum ReadingStrategy	CurrentReadingStrategy () const
virtual bool	SetReadingStrategy (enum ReadingStrategy aReadingStrategy)
bool	RemoveAllMemoryLocks ()
bool	RemoveAllMemoryLocks (class Database &DB)
bool	RemoveAllMemoryLocks (class Connection &DbConn)
Object *	GetReferencedObject (const class RefBase &DbPtr)
Protected Methods
unsigned long	_GarbageCollector ()
unsigned int	_Hash (const char *values) const
BufferItem *	_FindItem (const class RefBase &DbPtr)
bool	_RemoveConnection (int ConHandle)
bool	RemoveConnection (int ConHandle)
bool	UpdateConnection (int ConHandle)
bool	_RemoveAll ()
bool	_RemoveAll (const class Connection *const DbC)
bool	_RemoveAll (const class Database *const DB)
Protected Attributes
bool	_Initialised
bool	_ResetForUpdateFlags
unsigned long int	_Requests
unsigned long int	_Hits
unsigned short	_Strategies
BufferItem *	_LastAccessedItem
BufferItem *	_Structure [MAX_CONNECTION][HASH_TABLE_SIZE]
unsigned long	_ObjectsInBuffer
Friends
class	Connection
class	Database
class	RefBase

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Constructor & Destructor Documentation

ObjectBuffer::ObjectBuffer (    )

Definition at line 150 of file cObjectBuffer.cpp. References DEFAULT_STRATEGIES, HASH_TABLE_SIZE, and MAX_CONNECTION.

ObjectBuffer::~ObjectBuffer (    )

Definition at line 173 of file cObjectBuffer.cpp. References BufferItem::_Next, HASH_TABLE_SIZE, and MAX_CONNECTION.

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Member Function Documentation

class BufferItem* ObjectBuffer::_FindItem (  const class RefBase &    DbPtr )  [protected]

unsigned long ObjectBuffer::_GarbageCollector (    )  [protected]

Definition at line 35 of file cObjectBuffer.cpp. References Object::_FreeWasDone, BufferItem::_MemoryPointer, BufferItem::_Next, BufferItem::_RefBase, BufferItem::GetMemoryPointer(), HASH_TABLE_SIZE, MAX_CONNECTION, Object::MemoryLocked(), and Object::Update().

unsigned int ObjectBuffer::_Hash (  const char *    values )  const [protected]

Definition at line 85 of file cObjectBuffer.cpp. References HASH_TABLE_SIZE.

bool ObjectBuffer::_RemoveAll (  const class Database *const    DB )  [protected]

bool ObjectBuffer::_RemoveAll (  const class Connection *const    DbC )  [protected]

Definition at line 659 of file cObjectBuffer.cpp.

bool ObjectBuffer::_RemoveAll (    )  [protected]

Definition at line 678 of file cObjectBuffer.cpp. References MAX_CONNECTION.

bool ObjectBuffer::_RemoveConnection (  int    ConHandle )  [protected]

Definition at line 623 of file cObjectBuffer.cpp. References Object::_FreeWasDone, Object::_MarkAsClean(), BufferItem::_Next, BufferItem::_RefBase, BufferItem::GetMemoryPointer(), and HASH_TABLE_SIZE.

virtual enum LockingStrategy ObjectBuffer::CurrentLockingStrategy (    )  const [inline, virtual]

Definition at line 124 of file cObjectBuffer.h. References LockingStrategy, and LS_MASK.

virtual enum ReadingStrategy ObjectBuffer::CurrentReadingStrategy (    )  const [inline, virtual]

Definition at line 129 of file cObjectBuffer.h. References ReadingStrategy, and RS_MASK.

virtual enum UpdatingStrategy ObjectBuffer::CurrentUpdatingStrategy (    )  const [inline, virtual]

Definition at line 113 of file cObjectBuffer.h. References UpdatingStrategy, and US_MASK.

virtual enum WaitingStrategy ObjectBuffer::CurrentWaitingStrategy (    )  const [inline, virtual]

Definition at line 119 of file cObjectBuffer.h. References WaitingStrategy, and WS_MASK.

Object* ObjectBuffer::GetReferencedObject (  const class RefBase &    DbPtr )

bool ObjectBuffer::Init (  const enum LockingStrategy    aLockingStrategy, const enum UpdatingStrategy    anUpdateStrategy, const enum WaitingStrategy    aWaitingStrategy )

Definition at line 199 of file cObjectBuffer.cpp. References HASH_TABLE_SIZE, LockingStrategy, MAX_CONNECTION, UpdatingStrategy, and WaitingStrategy.

class Object* ObjectBuffer::IsInMemory (  const class RefBase &    DbPtr )

bool ObjectBuffer::RegisterObject (  const class RefBase &    DbPtr, const class Object *const    MemPtr )

Definition at line 260 of file cObjectBuffer.cpp. References BufferItem::_Next, and MAX_OBJECTS_IN_BUFFER.

bool ObjectBuffer::RemoveAll (  const class Database *const    DB )

bool ObjectBuffer::RemoveAll (  const class Connection *const    DbC )

bool ObjectBuffer::RemoveAll (    )

Definition at line 602 of file cObjectBuffer.cpp. References MAX_CONNECTION.

bool ObjectBuffer::RemoveAllMemoryLocks (  class Connection &    DbConn )

Definition at line 766 of file cObjectBuffer.cpp. References BufferItem::_MemoryPointer, BufferItem::_Next, and HASH_TABLE_SIZE.

bool ObjectBuffer::RemoveAllMemoryLocks (  class Database &    DB )

Definition at line 744 of file cObjectBuffer.cpp. References MAX_CONNECTION_PER_DATABASE.

bool ObjectBuffer::RemoveAllMemoryLocks (    )

Definition at line 723 of file cObjectBuffer.cpp. References Database::_AllConnections, and MAX_CONNECTION.

bool ObjectBuffer::RemoveConnection (  int    ConHandle )  [protected]

Definition at line 525 of file cObjectBuffer.cpp. References Object::_FreeWasDone, BufferItem::_MemoryPointer, BufferItem::_Next, BufferItem::GetMemoryPointer(), HASH_TABLE_SIZE, Object::MemoryLocked(), and Object::Update().

bool ObjectBuffer::RemoveObject (  const class RefBase &    DbPtr )

Definition at line 367 of file cObjectBuffer.cpp. References BufferItem::_MemoryPointer, BufferItem::_Next, BufferItem::GetRefBase(), and Object::MemoryLocked().

bool ObjectBuffer::RemoveObject (  class Object *    MemPtr, const class Connection *const    DbCon )

Definition at line 296 of file cObjectBuffer.cpp. References BufferItem::_MemoryPointer, BufferItem::_Next, BufferItem::GetMemoryPointer(), Object::MemoryLocked(), and StrFree().

bool ObjectBuffer::SetLockingStrategy (  enum LockingStrategy    aLockingStrategy )  [virtual]

Definition at line 877 of file cObjectBuffer.cpp. References _Strategies, DEFAULT_LOCKING_STRATEGY, LockingStrategy, LS_Current, LS_Default, LS_Inherited, and LS_MASK.

bool ObjectBuffer::SetReadingStrategy (  enum ReadingStrategy    aReadingStrategy )  [virtual]

Definition at line 898 of file cObjectBuffer.cpp. References _Strategies, DEFAULT_READING_STRATEGY, ReadingStrategy, RS_Current, RS_Default, RS_Inherited, and RS_MASK.

bool ObjectBuffer::SetUpdatingStrategy (  enum UpdatingStrategy    anUpdateStrategy )  [virtual]

Definition at line 835 of file cObjectBuffer.cpp. References _Strategies, DEFAULT_UPDATING_STRATEGY, UpdatingStrategy, US_Current, US_Default, US_Inherited, and US_MASK.

bool ObjectBuffer::SetWaitingStrategy (  enum WaitingStrategy    aWaitingStrategy )  [virtual]

Definition at line 856 of file cObjectBuffer.cpp. References _Strategies, DEFAULT_WAITING_STRATEGY, WaitingStrategy, WS_Current, WS_Default, WS_Inherited, and WS_MASK.

bool ObjectBuffer::UpdateAll (  const class Database *const    DB )

bool ObjectBuffer::UpdateAll (  const class Connection *const    DbC )

bool ObjectBuffer::UpdateAll (    )

Definition at line 464 of file cObjectBuffer.cpp. References MAX_CONNECTION.

bool ObjectBuffer::UpdateConnection (  int    ConHandle )  [protected]

Definition at line 430 of file cObjectBuffer.cpp. References Object::_ForUpdate, BufferItem::_Next, BufferItem::GetMemoryPointer(), HASH_TABLE_SIZE, and Object::Update().

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Friends And Related Function Documentation

friend class Connection [friend]

Definition at line 31 of file cObjectBuffer.h.

friend class Database [friend]

Definition at line 32 of file cObjectBuffer.h.

friend class RefBase [friend]

Definition at line 33 of file cObjectBuffer.h.

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Member Data Documentation

unsigned long int ObjectBuffer::_Hits [protected]

Definition at line 43 of file cObjectBuffer.h.

bool ObjectBuffer::_Initialised [protected]

Definition at line 36 of file cObjectBuffer.h.

class BufferItem* ObjectBuffer::_LastAccessedItem [protected]

Definition at line 46 of file cObjectBuffer.h.

unsigned long ObjectBuffer::_ObjectsInBuffer [protected]

Definition at line 48 of file cObjectBuffer.h.

unsigned long int ObjectBuffer::_Requests [protected]

Definition at line 41 of file cObjectBuffer.h.

bool ObjectBuffer::_ResetForUpdateFlags [protected]

Definition at line 37 of file cObjectBuffer.h.

unsigned short ObjectBuffer::_Strategies [protected]

Definition at line 45 of file cObjectBuffer.h. Referenced by SetLockingStrategy(), SetReadingStrategy(), SetUpdatingStrategy(), and SetWaitingStrategy().

class BufferItem* ObjectBuffer::_Structure[MAX_CONNECTION][HASH_TABLE_SIZE] [protected]

Definition at line 47 of file cObjectBuffer.h.

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

• cObjectBuffer.h
• cObjectBuffer.cpp

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