AtomicLongArray.GetAndUpdate(Int32, ILongUnaryOperator) Method

Reference

Definition

Namespace:: Java.Util.Concurrent.Atomic

Assembly:: Mono.Android.dll

Important

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Atomically updates (with memory effects as specified by VarHandle#compareAndSet) the element at index i with the results of applying the given function, returning the previous value.

[Android.Runtime.Register("getAndUpdate", "(ILjava/util/function/LongUnaryOperator;)J", "", ApiSince=24)]
public long GetAndUpdate (int i, Java.Util.Functions.ILongUnaryOperator? updateFunction);

[<Android.Runtime.Register("getAndUpdate", "(ILjava/util/function/LongUnaryOperator;)J", "", ApiSince=24)>]
member this.GetAndUpdate : int * Java.Util.Functions.ILongUnaryOperator -> int64

Parameters

i: Int32

the index

updateFunction: ILongUnaryOperator

a side-effect-free function

Returns

Int64

the previous value

Attributes: RegisterAttribute

Remarks

Atomically updates (with memory effects as specified by VarHandle#compareAndSet) the element at index i 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.

Java documentation for java.util.concurrent.atomic.AtomicLongArray.getAndUpdate(int, java.util.function.LongUnaryOperator).

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

共用方式為