eu.hanskruse.noaber.with

Interface WithMapReduce

All Known Subinterfaces:

WithNoaber

All Known Implementing Classes:

Noaber

public interface WithMapReduce

Map Reduce functionality.

Since:

1.0.0

Version:

1.0.0

Author:

Hans Kruse

Method Summary

Modifier and Type	Method and Description
default <T> T	reduce(BinaryOperator<T> accumulator, T... items) Reduce a number of items.
default <T> T	reduce(T identity, BinaryOperator<T> accumulator, T... items) Reduce a number of items.

Method Detail

reduce

default <T> T reduce(BinaryOperator<T> accumulator,
                     T... items)

Reduce a number of items.

Type Parameters:

T - type of items

Parameters:

accumulator - the reducing operator

items - the items to be reduced

Returns:

the reduced value

reduce

default <T> T reduce(T identity,
                     BinaryOperator<T> accumulator,
                     T... items)

Reduce a number of items.

Type Parameters:

T - type of items

Parameters:

identity - the identity, e.g. 0 for addition, 1 for multiplication.

accumulator - the reducing operator

items - the items to be reduced

Returns:

reduced value