FairCom.CtreeDb

Class CTHANDLE

java.lang.Object

FairCom.CtreeDb.CTHANDLE

final class CTHANDLE
extends java.lang.Object

Implements the link between the JTDB handle and the c-treeDB handle

Author:

FairCom Corporation

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.concurrent.Semaphore	mySema
private int	owner
private long	ptr

Constructor Summary

Constructors

Constructor and Description
CTHANDLE(long pointer, CTHANDLE Handle) Copy constructor for the CTHANDLE class.
CTHANDLE(long pointer, java.util.concurrent.Semaphore sema, int own) Constructor for the CTHANDLE class.

Method Summary

Modifier and Type	Method and Description
int	getOwner() Retrieves the handle owner
long	nativeType() Retrieves the CTDB handle pointer
void	Post() Finalizes the handle synchronization by releasing the semaphore.
boolean	Pre(boolean isvalid) Starts the handle synchronization by acquiring the semaphore.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mySema

private java.util.concurrent.Semaphore mySema

ptr

private long ptr

owner

private int owner

Constructor Detail

CTHANDLE

public CTHANDLE(long pointer,
                java.util.concurrent.Semaphore sema,
                int own)

Constructor for the CTHANDLE class.

Parameters:

pointer - CTDB handle pointer

sema - Semaphore to be used for the new object synchronization

own - Object owner code

See Also:

CTHANDLE(long, CTHANDLE)

CTHANDLE

public CTHANDLE(long pointer,
                CTHANDLE Handle)

Copy constructor for the CTHANDLE class.

Parameters:

pointer - CTDB handle pointer

Handle - JTDB handle to be copied

See Also:

CTHANDLE(long, Semaphore, int)

Method Detail

Pre

public boolean Pre(boolean isvalid)

Starts the handle synchronization by acquiring the semaphore.

See Also:

Post()

Post

public void Post()

Finalizes the handle synchronization by releasing the semaphore.

See Also:

Pre(boolean)

nativeType

public long nativeType()

Retrieves the CTDB handle pointer

Returns:

CTDB handle pointer

See Also:

getOwner()

getOwner

public int getOwner()

Retrieves the handle owner

Returns:

Handle owner

See Also:

nativeType()