oracle.javatools.editor
Class WeakPropertyChangeSupport

java.lang.Object
  oracle.javatools.editor.WeakPropertyChangeSupport

public final class WeakPropertyChangeSupport
extends java.lang.Object

The WeakPropertyChangeSupport is based on the PropertyChangeSupport, but uses WeakReferences to store listener references. This allows the listener to get garbage collected without having to detach explicitly.

Constructor Summary

WeakPropertyChangeSupport(java.lang.Object source)
Construct a new WeakPropertyChangeSupport.

Method Summary

void	addPropertyChangeListener(java.beans.PropertyChangeListener listener) Add a PropertyChangeListener to listening for property changes.
void	firePropertyChange(java.beans.PropertyChangeEvent event) Fire a PropertyChangeEvent indicating that the given property has changed.
void	firePropertyChange(java.lang.String propertyName, java.lang.Object oldValue, java.lang.Object newValue) Fire a PropertyChangeEvent indicating that the given property has changed.
void	removePropertyChangeListener(java.beans.PropertyChangeListener listener) Removes a PropertyChangeListener so that it no longer receives property changes.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakPropertyChangeSupport

public WeakPropertyChangeSupport(java.lang.Object source)

Construct a new WeakPropertyChangeSupport. The given source is used as the source for PropertyChangeEvents.

Parameters:

source - the source of property changes

Method Detail

addPropertyChangeListener

public void addPropertyChangeListener(java.beans.PropertyChangeListener listener)

Add a PropertyChangeListener to listening for property changes.

Parameters:

listener - the listener to add

removePropertyChangeListener

public void removePropertyChangeListener(java.beans.PropertyChangeListener listener)

Removes a PropertyChangeListener so that it no longer receives property changes.

Parameters:

listener - the listener to remove

firePropertyChange

public void firePropertyChange(java.lang.String propertyName,
                               java.lang.Object oldValue,
                               java.lang.Object newValue)

Fire a PropertyChangeEvent indicating that the given property has changed. Note that if the values are equal, the event will not be fired.

Parameters:

propertyName - the name of the property

oldValue - the old value

newValue - the new value

firePropertyChange

public void firePropertyChange(java.beans.PropertyChangeEvent event)

Fire a PropertyChangeEvent indicating that the given property has changed. Note that if the the values are equal, the event will not be fired.