FinalizablePhantomReference

com.google.common.base

Class FinalizablePhantomReference<T>

java.lang.Object
- java.lang.ref.Reference<T>
- - java.lang.ref.PhantomReference<T>
  - - com.google.common.base.FinalizablePhantomReference<T>

All Implemented Interfaces:

FinalizableReference
```
public abstract class FinalizablePhantomReference<T>
extends PhantomReference<T>
implements FinalizableReference
```
Phantom 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.
Unlike a normal phantom reference, this reference will be cleared automatically.

Since:

2.0 (imported from Google Collections Library)

Constructor Summary

Constructors

Modifier	Constructor and Description
`protected`	`FinalizablePhantomReference(T referent, FinalizableReferenceQueue queue)` Constructs a new finalizable phantom reference.

Method Summary
- Methods inherited from class java.lang.ref.PhantomReference
  get
- Methods inherited from class java.lang.ref.Reference
  clear, enqueue, isEnqueued
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface com.google.common.base.FinalizableReference
  finalizeReferent

- Constructor Detail
  - FinalizablePhantomReference
```
protected FinalizablePhantomReference(T referent,
                                      FinalizableReferenceQueue queue)
```
    Constructs a new finalizable phantom reference.
    
    Parameters:
    
    referent - to phantom reference
    
    queue - that should finalize the referent