org.openstreetmap.josm.data.preferences

Class AbstractProperty.WeakPreferenceAdapter

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference<T>

org.openstreetmap.josm.tools.ListenableWeakReference<AbstractProperty.ValueChangeListener<? super T>>

org.openstreetmap.josm.data.preferences.AbstractProperty.WeakPreferenceAdapter

All Implemented Interfaces:

AbstractProperty.ValueChangeListener<T>

Enclosing class:

AbstractProperty<T>

private class AbstractProperty.WeakPreferenceAdapter
extends ListenableWeakReference<AbstractProperty.ValueChangeListener<? super T>>
implements AbstractProperty.ValueChangeListener<T>

This class wraps the ValueChangeListener in a ListenableWeakReference that automatically removes itself if the listener is garbage collected.

Constructor Summary

Constructors

Constructor and Description
WeakPreferenceAdapter(AbstractProperty.ValueChangeListener<? super T> referent)

Method Summary

Modifier and Type	Method and Description
protected void	onDereference() This method is called after the object is dereferenced.
void	valueChanged(AbstractProperty.ValueChangeEvent<? extends T> e) Method called when a property value has changed.

Methods inherited from class java.lang.ref.Reference

clear, enqueue, get, isEnqueued

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakPreferenceAdapter

WeakPreferenceAdapter(AbstractProperty.ValueChangeListener<? super T> referent)

Method Detail

valueChanged

public void valueChanged(AbstractProperty.ValueChangeEvent<? extends T> e)

Description copied from interface: AbstractProperty.ValueChangeListener

Method called when a property value has changed.

Specified by:

valueChanged in interface AbstractProperty.ValueChangeListener<T>

Parameters:

e - property change event

onDereference

protected void onDereference()

Description copied from class: ListenableWeakReference

This method is called after the object is dereferenced.

Overrides:

onDereference in class ListenableWeakReference<AbstractProperty.ValueChangeListener<? super T>>