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.
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.
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