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oracle.adf.controller.metadata.model
Interface NullValueHolder

All Superinterfaces:

AdfcNode, IdHolder, NodeHolder

All Known Subinterfaces:

CollectionEntry, ManagedProperty, MapEntry

public interface NullValueHolder

extends AdfcNode

Interface denoting a component that stores a null value.

Method Summary

boolean	isNullValue() Return a flag indicating that the value of the parent component should be set to null.
boolean	setNullValue(boolean nullValue) If nullValue is false, this is a noop.

Methods inherited from interface oracle.adf.controller.metadata.model.AdfcNode

getParsingContext, validate

Methods inherited from interface oracle.adf.controller.metadata.model.IdHolder

getIdAttribute, setIdAttribute

Methods inherited from interface oracle.adf.controller.metadata.model.NodeHolder

getNode

Method Detail

isNullValue

boolean isNullValue()

Return a flag indicating that the value of the parent component should be set to null.

Returns:

true, if value should be set to null.

setNullValue

boolean setNullValue(boolean nullValue)

If nullValue is false, this is a noop. If nullValue is true, a new null-value element will be added and a value element will be removed if one exists.

Parameters:

nullValue -

Returns:

true, if null-value was successfully added.

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