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src/java.desktop/share/classes/java/beans/VetoableChangeListener.java

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  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.beans;
  27 
  28 /**
  29  * A VetoableChange event gets fired whenever a bean changes a "constrained"
  30  * property.  You can register a VetoableChangeListener with a source bean
  31  * so as to be notified of any constrained property updates.
  32  * @since 1.1
  33  */
  34 public interface VetoableChangeListener extends java.util.EventListener {
  35     /**
  36      * This method gets called when a constrained property is changed.
  37      *
  38      * @param     evt a <code>PropertyChangeEvent</code> object describing the
  39      *                event source and the property that has changed.
  40      * @exception PropertyVetoException if the recipient wishes the property
  41      *              change to be rolled back.
  42      */
  43     void vetoableChange(PropertyChangeEvent evt)
  44                                 throws PropertyVetoException;
  45 }


  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.beans;
  27 
  28 /**
  29  * A VetoableChange event gets fired whenever a bean changes a "constrained"
  30  * property.  You can register a VetoableChangeListener with a source bean
  31  * so as to be notified of any constrained property updates.
  32  * @since 1.1
  33  */
  34 public interface VetoableChangeListener extends java.util.EventListener {
  35     /**
  36      * This method gets called when a constrained property is changed.
  37      *
  38      * @param     evt a {@code PropertyChangeEvent} object describing the
  39      *                event source and the property that has changed.
  40      * @exception PropertyVetoException if the recipient wishes the property
  41      *              change to be rolled back.
  42      */
  43     void vetoableChange(PropertyChangeEvent evt)
  44                                 throws PropertyVetoException;
  45 }
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