ConcurrentHashMap.ReduceKeysToInt Method

Reference

Definition

Namespace:: Java.Util.Concurrent

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.

Returns the result of accumulating the given transformation of all keys using the given reducer to combine values, and the given basis as an identity value.

[Android.Runtime.Register("reduceKeysToInt", "(JLjava/util/function/ToIntFunction;ILjava/util/function/IntBinaryOperator;)I", "GetReduceKeysToInt_JLjava_util_function_ToIntFunction_ILjava_util_function_IntBinaryOperator_Handler", ApiSince=24)]
public virtual int ReduceKeysToInt (long parallelismThreshold, Java.Util.Functions.IToIntFunction transformer, int basis, Java.Util.Functions.IIntBinaryOperator reducer);

[<Android.Runtime.Register("reduceKeysToInt", "(JLjava/util/function/ToIntFunction;ILjava/util/function/IntBinaryOperator;)I", "GetReduceKeysToInt_JLjava_util_function_ToIntFunction_ILjava_util_function_IntBinaryOperator_Handler", ApiSince=24)>]
abstract member ReduceKeysToInt : int64 * Java.Util.Functions.IToIntFunction * int * Java.Util.Functions.IIntBinaryOperator -> int
override this.ReduceKeysToInt : int64 * Java.Util.Functions.IToIntFunction * int * Java.Util.Functions.IIntBinaryOperator -> int

Parameters

parallelismThreshold: Int64

the (estimated) number of elements needed for this operation to be executed in parallel

transformer: IToIntFunction

a function returning the transformation for an element

basis: Int32

the identity (initial default value) for the reduction

reducer: IIntBinaryOperator

a commutative associative combining function

Returns

Int32

the result of accumulating the given transformation of all keys

Attributes: RegisterAttribute

Remarks

Returns the result of accumulating the given transformation of all keys using the given reducer to combine values, and the given basis as an identity value.

Added in 1.8.

Java documentation for java.util.concurrent.ConcurrentHashMap.reduceKeysToInt(long, java.util.function.ToIntFunction<? super K>, int, java.util.function.IntBinaryOperator).

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