java.beans
Interface VetoableChangeListener
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- 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.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description voidvetoableChange(PropertyChangeEvent evt)This method gets called when a constrained property is changed.
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Method Detail
vetoableChange
void vetoableChange(PropertyChangeEvent evt) throws PropertyVetoException
This method gets called when a constrained property is changed.- Parameters:
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evt- aPropertyChangeEventobject describing the event source and the property that has changed. - Throws:
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PropertyVetoException- if the recipient wishes the property change to be rolled back.
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