xbLock Class Reference

xbLock class More...

#include <xblock.h>

Inheritance diagram for xbLock:

List of all members.

Public Member Functions
	xbLock (xbDbf *dbf)
	Constructor.
virtual	~xbLock ()
virtual xbShort	LockTableHeader (xbShort LockType)=0
virtual xbShort	LockTable (xbShort LockType)=0
virtual xbShort	LockRecord (xbShort LockType, xbULong RecNo, xbOffT len)=0
virtual xbShort	LockMemo (xbShort LockType)=0
virtual xbShort	LockIndex (xbShort LockType)=0
virtual xbShort	UnlockAll ()=0
virtual xbShort	LockInit ()
Protected Member Functions
xbShort	LockFile (int fn, xbShort LockType, xbOffT lockLen)
	File lock routine.
Protected Attributes
xbDbf *	dbf
xbShort	HdrLockCnt
xbShort	TableLockCnt
xbShort	MemoLockCnt
xbShort	IndexLockCnt

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Detailed Description

xbLock class

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Constructor & Destructor Documentation

xbLock::xbLock

(

xbDbf *

pdbf

)

Constructor.

Parameters:

pdbf

xbLock::~xbLock

(

)

[virtual]

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Member Function Documentation

xbShort xbLock::LockFile	(	int	fn,
		xbShort	LockType,
		xbOffT	lockLen
	)			[protected]

File lock routine.

Lowest level lock routine Locks/unlocks a database,memo or index file. This function assumes the file position has been correctly set

Parameters:

	fn	file to lock/unlock
	LockType	lock type, one of: XB_LOCK or XB_UNLOCK
	lockLen	byte count to lock

virtual xbShort xbLock::LockIndex

(

xbShort

LockType

)

[pure virtual]

Implemented in xbaseLock, dbaseLock, clipperLock, foxproLock, and noLock.

virtual xbShort xbLock::LockInit

(

)

[inline, virtual]

Reimplemented in xbaseLock.

virtual xbShort xbLock::LockMemo

(

xbShort

LockType

)

[pure virtual]

Implemented in xbaseLock, dbaseLock, clipperLock, foxproLock, and noLock.

virtual xbShort xbLock::LockRecord	(	xbShort	LockType,
		xbULong	RecNo,
		xbOffT	len
	)			[pure virtual]

Implemented in xbaseLock, dbaseLock, clipperLock, and foxproLock.

virtual xbShort xbLock::LockTable

(

xbShort

LockType

)

[pure virtual]

Implemented in xbaseLock, dbaseLock, clipperLock, foxproLock, and noLock.

virtual xbShort xbLock::LockTableHeader

(

xbShort

LockType

)

[pure virtual]

Implemented in xbaseLock, dbaseLock, clipperLock, foxproLock, and noLock.

virtual xbShort xbLock::UnlockAll

(

)

[pure virtual]

Implemented in xbaseLock, dbaseLock, clipperLock, foxproLock, and noLock.

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Member Data Documentation

xbDbf* xbLock::dbf [protected]

xbShort xbLock::HdrLockCnt [protected]

xbShort xbLock::IndexLockCnt [protected]

xbShort xbLock::MemoLockCnt [protected]

xbShort xbLock::TableLockCnt [protected]

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

• xblock.h
• xblock.cpp