Class FinalizableWeakReference<T>

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference<T>

com.google.common.base.FinalizableWeakReference<T>

All Implemented Interfaces:

FinalizableReference

@GwtIncompatible
public abstract class FinalizableWeakReference<T>
extends WeakReference<T>
implements FinalizableReference

Weak reference with a finalizeReferent() method which a background thread invokes after the garbage collector reclaims the referent. This is a simpler alternative to using a ReferenceQueue.

Since:

2.0

Author:

Bob Lee

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FinalizableWeakReference(@Nullable T referent, FinalizableReferenceQueue queue)	Constructs a new finalizable weak reference.

Method Summary

Methods inherited from class Reference

clear, clone, enqueue, get, isEnqueued, reachabilityFence, refersTo

Methods inherited from class Object

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

Methods inherited from interface FinalizableReference

finalizeReferent

Modifier and Type	Method	Description
void	finalizeReferent()	Invoked on a background thread after the referent has been garbage collected unless security restrictions prevented starting a background thread, in which case this method is invoked when new references are created.

Constructor Details

FinalizableWeakReference

protected FinalizableWeakReference(@Nullable T referent,
 FinalizableReferenceQueue queue)

Constructs a new finalizable weak reference.

Parameters:

referent - to weakly reference

queue - that should finalize the referent