Java™ Platform
Standard Ed. 6

java.beans
Interface VetoableChangeListener

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.


Method Summary
 void vetoableChange(PropertyChangeEvent evt)
          This method gets called when a constrained property is changed.
 

Method Detail

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.

Java™ Platform
Standard Ed. 6

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