AtomicReference.CompareAndExchange(Object, Object) Method

Reference

Definition

Namespace:: Java.Util.Concurrent.Atomic

Assembly:: Mono.Android.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Atomically sets the value to newValue if the current value, referred to as the <em>witness value</em>, == expectedValue, with memory effects as specified by VarHandle#compareAndExchange.

[Android.Runtime.Register("compareAndExchange", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", "", ApiSince=33)]
public Java.Lang.Object? CompareAndExchange (Java.Lang.Object? expectedValue, Java.Lang.Object? newValue);

[<Android.Runtime.Register("compareAndExchange", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", "", ApiSince=33)>]
member this.CompareAndExchange : Java.Lang.Object * Java.Lang.Object -> Java.Lang.Object

Parameters

expectedValue: Object

the expected value

newValue: Object

the new value

Returns

Object

the witness value, which will be the same as the expected value if successful

Attributes: RegisterAttribute

Remarks

Atomically sets the value to newValue if the current value, referred to as the <em>witness value</em>, == expectedValue, with memory effects as specified by VarHandle#compareAndExchange.

Added in 9.

Java documentation for java.util.concurrent.atomic.AtomicReference.compareAndExchange(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

Aracılığıyla paylaş