VetoableChangeListener (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

Overview

Package

Class

Use

Tree

Deprecated

Index

Help

Java^TM 2 Platform
Std. Ed. v1.4.1

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

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.