Module java.desktop

Package javax.swing.event

Class SwingPropertyChangeSupport

java.lang.Object

java.beans.PropertyChangeSupport

javax.swing.event.SwingPropertyChangeSupport

All Implemented Interfaces:

Serializable

public final class SwingPropertyChangeSupport
extends PropertyChangeSupport

This subclass of java.beans.PropertyChangeSupport is almost identical in functionality. The only difference is if constructed with SwingPropertyChangeSupport(sourceBean, true) it ensures listeners are only ever notified on the Event Dispatch Thread.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
SwingPropertyChangeSupport(Object sourceBean)	Constructs a SwingPropertyChangeSupport object.
SwingPropertyChangeSupport(Object sourceBean, boolean notifyOnEDT)	Constructs a SwingPropertyChangeSupport object.

Method Summary

Modifier and Type	Method	Description
void	firePropertyChange(PropertyChangeEvent evt)	Fires a property change event to listeners that have been registered to track updates of all properties or a property with the specified name.
boolean	isNotifyOnEDT()	Returns notifyOnEDT property.

Methods declared in class java.beans.PropertyChangeSupport

addPropertyChangeListener, addPropertyChangeListener, fireIndexedPropertyChange, fireIndexedPropertyChange, fireIndexedPropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getPropertyChangeListeners, getPropertyChangeListeners, hasListeners, removePropertyChangeListener, removePropertyChangeListener

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SwingPropertyChangeSupport

public SwingPropertyChangeSupport(Object sourceBean)

Constructs a SwingPropertyChangeSupport object.

Parameters:

sourceBean - The bean to be given as the source for any events.

Throws:

NullPointerException - if sourceBean is null

SwingPropertyChangeSupport

public SwingPropertyChangeSupport(Object sourceBean,
                                  boolean notifyOnEDT)

Constructs a SwingPropertyChangeSupport object.

Parameters:

sourceBean - the bean to be given as the source for any events

notifyOnEDT - whether to notify listeners on the Event Dispatch Thread only

Throws:

NullPointerException - if sourceBean is null

Since:

1.6

Method Detail

firePropertyChange

public void firePropertyChange(PropertyChangeEvent evt)

Fires a property change event to listeners that have been registered to track updates of all properties or a property with the specified name.

No event is fired if the given event's old and new values are equal and non-null.

If isNotifyOnEDT() is true and called off the Event Dispatch Thread this implementation uses SwingUtilities.invokeLater to send out the notification on the Event Dispatch Thread. This ensures listeners are only ever notified on the Event Dispatch Thread.

Overrides:

firePropertyChange in class PropertyChangeSupport

Parameters:

evt - the PropertyChangeEvent to be fired

Throws:

NullPointerException - if evt is null

Since:

1.6

isNotifyOnEDT

public boolean isNotifyOnEDT()

Returns notifyOnEDT property.

Returns:

notifyOnEDT property

Since:

1.6

See Also:

SwingPropertyChangeSupport(Object sourceBean, boolean notifyOnEDT)