io.atlassian.util.concurrent.atomic

Class AtomicReferenceUpdater<T>

java.lang.Object

io.atlassian.util.concurrent.atomic.AtomicReferenceUpdater<T>

Type Parameters:

T - the type of the reference.

All Implemented Interfaces:

Function<T,T>

public abstract class AtomicReferenceUpdater<T>
extends Object
implements Function<T,T>

Experimental. Please note this class is experimental and may be removed in later versions unless you really, really like it. If you do, mail me, jed@atlassian.com

Implements the logic for updating an AtomicReference correctly, using the current value, computing the update and then setting it if it hasn't changed in the meantime.

Since:

0.0.12

Constructor Summary

Constructors

Constructor and Description
AtomicReferenceUpdater(AtomicReference<T> reference) Constructor for AtomicReferenceUpdater.

Method Summary

Modifier and Type	Method and Description
T	update() Do the actual update.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, apply, compose, identity

Constructor Detail

AtomicReferenceUpdater

public AtomicReferenceUpdater(AtomicReference<T> reference)

Constructor for AtomicReferenceUpdater.

Parameters:

reference - a AtomicReference object.

Method Detail

update

public final T update()

Do the actual update. Calls the factory method with the old value to do the update logic, then sets the value to that if it hasn't changed in the meantime.

Returns:

the new updated value.