oracle.javatools.util

Class WeakCollectionListener<E>

java.lang.Object

oracle.javatools.util.WeakCollectionListener<E>

Type Parameters:

E - the type of element in the list

All Implemented Interfaces:

CollectionListener<E>

public final class WeakCollectionListener<E>
extends java.lang.Object
implements CollectionListener<E>

A CollectionListener that weakly wraps another CollectionListener. This listener automatically stops listening if it is the only reference between the collection and the wrapped listener. Otherwise events are simply forwarded from the collection to the given listener.

Note: Use sparingly, it is preferable to manually remove listeners.

Constructor Summary

Constructors

Constructor and Description
WeakCollectionListener(CollectionListener<E> realListener)

Method Summary

Methods

Modifier and Type	Method and Description
void	collectionChanged(CollectionEvent<E> event) The collection has changed in the way described by the event.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakCollectionListener

public WeakCollectionListener(CollectionListener<E> realListener)

Method Detail

collectionChanged

public void collectionChanged(CollectionEvent<E> event)

Description copied from interface: CollectionListener

The collection has changed in the way described by the event.

Specified by:

collectionChanged in interface CollectionListener<E>