org.fujion.common

Class WeakCollectionBase<E>

java.lang.Object

org.fujion.common.WeakCollectionBase<E>

Type Parameters:

E - Class of element.

Direct Known Subclasses:

WeakList, WeakMap

public abstract class WeakCollectionBase<E>
extends Object

Base class for implementing weak collections.

Constructor Summary

Constructors

Constructor and Description
WeakCollectionBase()

Method Summary

Modifier and Type	Method and Description
protected E	cast(Object o)
void	compact() Remove any garbage-collected entries.
protected boolean	contains(Collection<WeakReference<E>> c, Object item)
protected WeakReference<E>	createWeakReference(E element) Creates a weak reference for the specified element, associating it with the internal reference queue.
protected Iterator<E>	getIterator(Iterable<WeakReference<E>> iterable)
protected E	getReferent(WeakReference<E> ref)
protected abstract void	removeReference(Reference<? extends E> reference)

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakCollectionBase

public WeakCollectionBase()

Method Detail

compact

public void compact()

Remove any garbage-collected entries.

removeReference

protected abstract void removeReference(Reference<? extends E> reference)

getIterator

protected Iterator<E> getIterator(Iterable<WeakReference<E>> iterable)

createWeakReference

protected WeakReference<E> createWeakReference(E element)

Creates a weak reference for the specified element, associating it with the internal reference queue.

Parameters:

element - The element.

Returns:

Weak reference for the element.

contains

protected boolean contains(Collection<WeakReference<E>> c,
                           Object item)

cast

protected E cast(Object o)

getReferent

protected E getReferent(WeakReference<E> ref)