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Java Source | 1997-05-20 | 1.6 KB | 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;
- }
-