Class FinalizableSoftReference<T>

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.SoftReference<T>

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

All Implemented Interfaces:

FinalizableReference

@GwtIncompatible
public abstract class FinalizableSoftReference<T>
extends SoftReference<T>
implements FinalizableReference

Soft 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	FinalizableSoftReference(@Nullable T referent, FinalizableReferenceQueue queue)	Constructs a new finalizable soft reference.

Method Summary

Methods inherited from class SoftReference

get

Methods inherited from class Reference

clear, clone, enqueue, 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

FinalizableSoftReference

protected FinalizableSoftReference(@Nullable T referent,
 FinalizableReferenceQueue queue)

Constructs a new finalizable soft reference.

Parameters:

referent - to softly reference

queue - that should finalize the referent