AtomicReferenceFieldUpdater.WeakCompareAndSet(Object, Object, Object) Method

Reference

Definition

Namespace:: Java.Util.Concurrent.Atomic

Assembly:: Mono.Android.dll

Important

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Atomically sets the field of the given object managed by this updater to the given updated value if the current value == the expected value.

[Android.Runtime.Register("weakCompareAndSet", "(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z", "GetWeakCompareAndSet_Ljava_lang_Object_Ljava_lang_Object_Ljava_lang_Object_Handler")]
public abstract bool WeakCompareAndSet (Java.Lang.Object? obj, Java.Lang.Object? expect, Java.Lang.Object? update);

[<Android.Runtime.Register("weakCompareAndSet", "(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z", "GetWeakCompareAndSet_Ljava_lang_Object_Ljava_lang_Object_Ljava_lang_Object_Handler")>]
abstract member WeakCompareAndSet : Java.Lang.Object * Java.Lang.Object * Java.Lang.Object -> bool

Parameters

obj: Object

An object whose field to conditionally set

expect: Object

the expected value

update: Object

the new value

Returns

Boolean

true if successful

Attributes: RegisterAttribute

Remarks

Atomically sets the field of the given object managed by this updater to the given updated value if the current value == the expected value. This method is guaranteed to be atomic with respect to other calls to compareAndSet and set, but not necessarily with respect to other changes in the field.

This operation may fail spuriously and does not provide ordering guarantees, so is only rarely an appropriate alternative to compareAndSet.

Java documentation for java.util.concurrent.atomic.AtomicReferenceFieldUpdater.weakCompareAndSet(T, V, V).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to

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