Package org.datanucleus.flush

Class UpdateMemberOperation

java.lang.Object

org.datanucleus.flush.UpdateMemberOperation

All Implemented Interfaces:

Operation

public class UpdateMemberOperation
extends Object
implements Operation

Flush operation for an update of the value of a member of the specified object.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final int	fieldNumber
(package private) Object	newValue
(package private) Object	oldValue
(package private) final DNStateManager	sm

Constructor Summary

Constructors

Constructor	Description
UpdateMemberOperation(DNStateManager sm, int fieldNum, Object newVal, Object oldVal)

Method Summary

Modifier and Type	Method	Description
AbstractMemberMetaData	getMemberMetaData()	Accessor for the metadata for the member that this operation is for.
Object	getNewValue()
Object	getOldValue()
DNStateManager	getStateManager()	Accessor for StateManager of the object that this operation is performed on.
void	perform()	Method to perform the operation.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

sm

final DNStateManager sm

fieldNumber

final int fieldNumber

oldValue

Object oldValue

newValue

Object newValue

Constructor Details

UpdateMemberOperation

public UpdateMemberOperation(DNStateManager sm,
 int fieldNum,
 Object newVal,
 Object oldVal)

Method Details

getNewValue

public Object getNewValue()

getOldValue

public Object getOldValue()

getMemberMetaData

public AbstractMemberMetaData getMemberMetaData()

Accessor for the metadata for the member that this operation is for.

Returns:

The member metadata

getStateManager

public DNStateManager getStateManager()

Description copied from interface: Operation

Accessor for StateManager of the object that this operation is performed on.

Specified by:

getStateManager in interface Operation

Returns:

StateManager

perform

public void perform()

Description copied from interface: Operation

Method to perform the operation.

Specified by:

perform in interface Operation

toString

public String toString()

Overrides:

toString in class Object