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.

Constructor Summary

Constructors

Constructor and Description
UpdateMemberOperation(ObjectProvider op, int fieldNum, Object newVal, Object oldVal)

Method Summary

Modifier and Type	Method and Description
AbstractMemberMetaData	getMemberMetaData() Accessor for the metadata for the member that this operation is for.
Object	getNewValue()
ObjectProvider	getObjectProvider() Accessor for the ObjectProvider of the object that this operation is performed on.
Object	getOldValue()
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

Constructor Detail

UpdateMemberOperation

public UpdateMemberOperation(ObjectProvider op,
                             int fieldNum,
                             Object newVal,
                             Object oldVal)

Method Detail

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

getObjectProvider

public ObjectProvider getObjectProvider()

Description copied from interface: Operation

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

Specified by:

getObjectProvider in interface Operation

Returns:

The ObjectProvider

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