org.apache.cocoon.portal.util
Interface DeltaApplicable

All Known Subinterfaces:

DeltaApplicableReferencesAdjustable

All Known Implementing Classes:

CopletData, CopletDataManager

public interface DeltaApplicable

Interface for functionality of objects to be updated by a delta object.

Version:

CVS $Id: DeltaApplicable.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Björn Lütkemeier

Method Summary

boolean	applyDelta(Object object) Applies the specified delta.
boolean	deltaApplied() Checks if a delta has been applied.

Method Detail

applyDelta

boolean applyDelta(Object object)

Applies the specified delta.

Returns:

true if the delta could be successfully applied, false otherwise. false can be used if object references stored in maps must be replaced by the caller instead of a delta being applied.

Throws:

ClassCastException - If the object is not of the expected type.

deltaApplied

boolean deltaApplied()

Checks if a delta has been applied.