AtomicReferenceFieldUpdater.GetAndUpdate(Object, IUnaryOperator) Method
Definition
Important
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Atomically updates (with memory effects as specified by VarHandle#compareAndSet
) the field of the given object managed
by this updater with the results of applying the given
function, returning the previous value.
[Android.Runtime.Register("getAndUpdate", "(Ljava/lang/Object;Ljava/util/function/UnaryOperator;)Ljava/lang/Object;", "", ApiSince=24)]
public Java.Lang.Object? GetAndUpdate (Java.Lang.Object? obj, Java.Util.Functions.IUnaryOperator? updateFunction);
[<Android.Runtime.Register("getAndUpdate", "(Ljava/lang/Object;Ljava/util/function/UnaryOperator;)Ljava/lang/Object;", "", ApiSince=24)>]
member this.GetAndUpdate : Java.Lang.Object * Java.Util.Functions.IUnaryOperator -> Java.Lang.Object
Parameters
- obj
- Object
An object whose field to get and set
- updateFunction
- IUnaryOperator
a side-effect-free function
Returns
the previous value
- Attributes
Remarks
Atomically updates (with memory effects as specified by VarHandle#compareAndSet
) the field of the given object managed by this updater with the results of applying the given function, returning the previous value. The function should be side-effect-free, since it may be re-applied when attempted updates fail due to contention among threads.
Added in 1.8.
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.