org.jboss.util.concurrent.atomic
Class AtomicReferenceFieldUpdater<T,V>

java.lang.Object
  org.jboss.util.concurrent.atomic.AtomicReferenceFieldUpdater<T,V>

public abstract class AtomicReferenceFieldUpdater<T,V>
extends Object

AtomicReferenceFieldUpdater.

Version:

$Revision: 200 $

Author:

Adrian Brock

Constructor Summary

protected

AtomicReferenceFieldUpdater() Create a new AtomicReferenceFieldUpdater.

Method Summary

abstract boolean	compareAndSet(T obj, V expect, V update)
abstract V	get(T obj)
V	getAndSet(T obj, V newValue)
static <U,W> AtomicReferenceFieldUpdater<U,W>	newUpdater(Class<U> tClass, Class<W> vClass, String fieldName)
abstract void	set(T obj, V newValue)
abstract boolean	weakCompareAndSet(T obj, V expect, V update)

Methods inherited from class java.lang.Object

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

Constructor Detail

AtomicReferenceFieldUpdater

protected AtomicReferenceFieldUpdater()

Create a new AtomicReferenceFieldUpdater.

Method Detail

newUpdater

public static <U,W> AtomicReferenceFieldUpdater<U,W> newUpdater(Class<U> tClass,
                                                                Class<W> vClass,
                                                                String fieldName)

compareAndSet

public abstract boolean compareAndSet(T obj,
                                      V expect,
                                      V update)

get

public abstract V get(T obj)

getAndSet

public V getAndSet(T obj,
                   V newValue)

set

public abstract void set(T obj,
                         V newValue)

weakCompareAndSet

public abstract boolean weakCompareAndSet(T obj,
                                          V expect,
                                          V update)