org.apache.derby.client.am

Class Lob

java.lang.Object

org.apache.derby.client.am.Lob

All Implemented Interfaces:

UnitOfWorkListener

Direct Known Subclasses:

ClientBlob, ClientClob

public abstract class Lob
extends java.lang.Object
implements UnitOfWorkListener

Field Summary

Fields

Modifier and Type	Field and Description
static int	INVALID_LOCATOR

Method Summary

Modifier and Type	Method and Description
void	completeLocalCommit(java.util.Iterator listenerIterator)
void	completeLocalRollback(java.util.Iterator listenerIterator)
Agent	getAgent()
int	getLocator() Get locator for this Lob
boolean	isLocator() Check whether this Lob is based on a locator
abstract long	length()
void	listenToUnitOfWork()
boolean	willBeLayerBStreamed()

Methods inherited from class java.lang.Object

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

Field Detail

INVALID_LOCATOR

public static final int INVALID_LOCATOR

See Also:

Constant Field Values

Method Detail

listenToUnitOfWork

public void listenToUnitOfWork()

Specified by:

listenToUnitOfWork in interface UnitOfWorkListener

completeLocalCommit

public void completeLocalCommit(java.util.Iterator listenerIterator)

Specified by:

completeLocalCommit in interface UnitOfWorkListener

completeLocalRollback

public void completeLocalRollback(java.util.Iterator listenerIterator)

Specified by:

completeLocalRollback in interface UnitOfWorkListener

getAgent

public Agent getAgent()

length

public abstract long length()
                     throws java.sql.SQLException

Throws:

java.sql.SQLException

willBeLayerBStreamed

public boolean willBeLayerBStreamed()

isLocator

public boolean isLocator()

Check whether this Lob is based on a locator

Returns:

true if Lob is based on locator, false otherwise

getLocator

public int getLocator()

Get locator for this Lob

Returns:

locator for this Lob, INVALID_LOCATOR if Lob is not based on locator