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

Type Parameters:

E - set element type

All Superinterfaces:

EventListener

public interface VetoableSetChangeListener<E>
extends EventListener

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

Version:

$Revision$ $Date$

Author:

Michael Heuer

Method Summary

void	setWillChange(VetoableSetChangeEvent<E> e) Notify this listener that a vetoable change is about to be made to the observable set.

Method Detail

setWillChange

void setWillChange(VetoableSetChangeEvent<E> e)
                   throws SetChangeVetoException

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

Parameters:

e - vetoable set change event

Throws:

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