net.openhft.chronicle.wire.domestic.reduction

Interface Reduction.LongReductionBuilder

All Known Implementing Classes:

ReductionUtil.VanillaLongReductionBuilder

Enclosing interface:

Reduction<T>

public static interface Reduction.LongReductionBuilder

Method Summary

Modifier and Type	Method and Description
<A> Reduction<LongSupplier>	reducing(@NotNull Supplier<A> supplier, @NotNull ObjLongConsumer<A> accumulator, @NotNull ToLongFunction<A> finisher) Creates and returns a new Reduction of type LongSupplier using the provided parameters.

Method Detail

reducing

<A> Reduction<LongSupplier> reducing(@NotNull
                                     @NotNull Supplier<A> supplier,
                                     @NotNull
                                     @NotNull ObjLongConsumer<A> accumulator,
                                     @NotNull
                                     @NotNull ToLongFunction<A> finisher)

Creates and returns a new Reduction of type LongSupplier using the provided parameters.

Type Parameters:

A - intermediate accumulation form (must be concurrent)

Parameters:

supplier - to use (non-null) to create the internal state

accumulator - to use when merging long elements into the internal state

finisher - to use when extracting the result from the internal state

Returns:

a new Reduction of type LongSupplier

Throws:

NullPointerException - if any of the provided parameters are null