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Class java.beans.VetoableChangeSupport

java.lang.Object
|
   +----java.beans.VetoableChangeSupport

public class VetoableChangeSupport

extends Object

implements Serializable

VetoableChangeSupport(Object)

addVetoableChangeListener(VetoableChangeListener)

Add a VetoableListener to the listener list.

fireVetoableChange(String, Object, Object)

Report a vetoable property update to any registered listeners.

removeVetoableChangeListener(VetoableChangeListener)

Remove a VetoableChangeListener from the listener list.

public VetoableChangeSupport(Object sourceBean)

public synchronized void addVetoableChangeListener(VetoableChangeListener listener)

Add a VetoableListener to the listener list.

Parameters:

listener - The VetoableChangeListener to be added

public synchronized void removeVetoableChangeListener(VetoableChangeListener listener)

Remove a VetoableChangeListener from the listener list.

Parameters:

listener - The VetoableChangeListener to be removed

public void fireVetoableChange(String propertyName,
Object oldValue,
Object newValue) throws PropertyVetoException

Report a vetoable property update to any registered listeners. If anyone vetos the change, then fire a new event reverting everyone to the old value and then rethrow the PropertyVetoException.

No event is fired if old and new are equal and non-null.

Parameters:

propertyName - The programmatic name of the property that was changed.

oldValue - The old value of the property.

newValue - The new value of the property.

Throws: PropertyVetoException

if the recipient wishes the property change to be rolled back.

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