java.util.concurrent.atomic
Class AtomicReference<V>

java.lang.Object
  java.util.concurrent.atomic.AtomicReference<V>

Type Parameters:

V - The type of object referred to by this reference

All Implemented Interfaces:

Serializable

public class AtomicReference<V>
extends Object
implements Serializable

An object reference that may be updated atomically. See the java.util.concurrent.atomic package specification for description of the properties of atomic variables.

Since:

1.5

See Also:

Serialized Form

Constructor Summary

AtomicReference()
Create a new AtomicReference with null initial value.

AtomicReference(V initialValue)
Create a new AtomicReference with the given initial value.

Method Summary

boolean	compareAndSet(V expect, V update) Atomically set the value to the given updated value if the current value == the expected value.
V	get() Get the current value.
V	getAndSet(V newValue) Set to the given value and return the old value.
void	set(V newValue) Set to the given value.
String	toString() Returns the String representation of the current value.
boolean