ej.bon

Class EnqueuedWeakReference

java.lang.Object

java.lang.ref.Reference

java.lang.ref.WeakReference

ej.bon.EnqueuedWeakReference

public class EnqueuedWeakReference
extends java.lang.ref.WeakReference

EnqueuedWeakReference are objects that are queued in an ReferenceQueue by the system when the object they point at (see Reference.get()) is set to null by the system. A typical use is to subclass EnqueuedWeakReference with classes that hold native handles that need to be freed at the native level.

Constructor Summary

Constructors

Constructor and Description
EnqueuedWeakReference(java.lang.Object ref, ReferenceQueue queue) Creates a new EnqueuedWeakReference. The given reference can be retrieved using Reference.get() until the object is garbage collected.

Method Summary

Methods inherited from class java.lang.ref.Reference

clear, get

Methods inherited from class java.lang.Object

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

Constructor Detail

EnqueuedWeakReference

public EnqueuedWeakReference(java.lang.Object ref,
                             ReferenceQueue queue)

Creates a new EnqueuedWeakReference.
The given reference can be retrieved using Reference.get() until the object is garbage collected. Then the method will return null.

Parameters:

ref - object the new weak reference will refer to

queue - the queue with which the reference is to be registered