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Java Source | 1998-09-22 | 1.3 KB | 34 lines |
- /*
- * @(#)VetoableChangeListener.java 1.7 98/07/01
- *
- * Copyright 1996-1998 by Sun Microsystems, Inc.,
- * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
- * 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.
- */
-
- 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;
- }
-