class:VetoableChangeListener [NONE]

All Superinterfaces:: EventListener

All Known Implementing Classes:: BeanContextServicesSupport, BeanContextSupport, VetoableChangeListenerProxy

public interface VetoableChangeListener
extends EventListener

A VetoableChange event gets fired whenever a bean changes a "constrained" property. You can register a VetoableChangeListener with a source bean so as to be notified of any constrained property updates.

Since:: 1.1

method:vetoableChange(java.beans.PropertyChangeEvent) [NONE]

vetoableChange

void vetoableChange?(PropertyChangeEvent evt) throws PropertyVetoException

This method gets called when a constrained property is changed.

Parameters:

evt - a PropertyChangeEvent object describing the event source and the property that has changed.

Throws:

PropertyVetoException - if the recipient wishes the property change to be rolled back.