org.dishevelled.observable.event
Interface VetoableCollectionChangeListener<E>

Type Parameters:

E - collection element type

All Superinterfaces:

EventListener

public interface VetoableCollectionChangeListener<E>
extends EventListener

A listener that receives notification of vetoable changes about to be made to an observable collection.

Version:

$Revision$ $Date$

Author:

Michael Heuer

Method Summary

void	collectionWillChange(VetoableCollectionChangeEvent<E> e) Notify this listener that a vetoable change is about to be made to the observable collection.

Method Detail

collectionWillChange

void collectionWillChange(VetoableCollectionChangeEvent<E> e)
                          throws CollectionChangeVetoException

Notify this listener that a vetoable change is about to be made to the observable collection.

Parameters:

e - vetoable collection change event

Throws:

CollectionChangeVetoException - if this listener wishes the change about to be made to be rolled back