Package io.deephaven.base.reference

Class DowngradableReference<T>

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference<T>

io.deephaven.base.reference.DowngradableReference<T>

Type Parameters:

T -

All Implemented Interfaces:

SimpleReference<T>

public class DowngradableReference<T>
extends WeakReference<T>
implements SimpleReference<T>

SimpleReference implementation that allows a downgrade from strongly reachable to weakly reachable.

Note:

This only applies (obviously) to this reference's relationship to the referent.

Constructor Summary

Constructors

Constructor	Description
DowngradableReference(T referent)

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear the referent.
void	downgrade()	Eliminate this object's hard reference to the referent.

Methods inherited from class java.lang.ref.Reference

clone, enqueue, get, isEnqueued, reachabilityFence, refersTo

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.deephaven.base.reference.SimpleReference

get

Constructor Details

DowngradableReference

public DowngradableReference(T referent)

Method Details

clear

public void clear()

Description copied from interface: SimpleReference

Clear the referent.

Specified by:

clear in interface SimpleReference<T>

Overrides:

clear in class Reference<T>

downgrade

public void downgrade()

Eliminate this object's hard reference to the referent. Converts the reachability enforced by this object from hard to weak.