home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC World Komputer 1998 July & August
/
Pcwk78a98.iso
/
Internet
/
Javadraw
/
DATA.Z
/
VetoableChangeListener.java
< prev
next >
Wrap
Text File
|
1997-08-30
|
2KB
|
42 lines
/*
* @(#)VetoableChangeListener.java 1.6 97/02/11
*
* Copyright (c) 1996 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
* CopyrightVersion bdk_beta
*
*/
package java.beans;
/**
* 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.
*/
public interface VetoableChangeListener extends java.util.EventListener {
/**
* This method gets called when a constrained property is changed.
*
* @param evt a <code>PropertyChangeEvent</code> object describing the
* event source and the property that has changed.
* @exception PropertyVetoException if the recipient wishes the property
* change to be rolled back.
*/
void vetoableChange(PropertyChangeEvent evt)
throws PropertyVetoException;
}