JavaTM 2 Platform
Std. Ed. v1.4.2

java.beans
Interface VetoableChangeListener

All Superinterfaces:
EventListener
All Known Implementing Classes:
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

public 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.

JavaTM 2 Platform
Std. Ed. v1.4.2

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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