org.apache.ignite.ml.math.functions

Interface IgniteFunction<T,R>

All Superinterfaces:

Function<T,R>, Serializable

All Known Subinterfaces:

IgniteCurriedBiFunction<A,B,T>, IgniteCurriedTriFunction<A,B,C,D>, IgniteDifferentiableVectorToDoubleFunction, PredictionsAggregator

All Known Implementing Classes:

MeanValuePredictionsAggregator, OnMajorityPredictionsAggregator, WeightedPredictionsAggregator

public interface IgniteFunction<T,R>
extends Function<T,R>, Serializable

Serializable function.

See Also:

Function

Method Summary

Modifier and Type	Method and Description
default <V> IgniteFunction<T,V>	andThen(IgniteFunction<? super R,? extends V> after) Compose this function and given function.
static <T,R> IgniteFunction<T,R>	constant(R r) IgniteFunction returning specified constant.
static <T> IgniteFunction<T,T>	identity() Identity function.

Methods inherited from interface java.util.function.Function

andThen, apply, compose

Method Detail

constant

static <T,R> IgniteFunction<T,R> constant(R r)

IgniteFunction returning specified constant.

Type Parameters:

T - Type of input.

R - Type of output.

Parameters:

r - Constant to return.

Returns:

IgniteFunction returning specified constant.

andThen

default <V> IgniteFunction<T,V> andThen(IgniteFunction<? super R,? extends V> after)

Compose this function and given function.

Type Parameters:

V - Type of value which result of after extends.

Parameters:

after - Function to compose with.

Returns:

Functions composition.

identity

static <T> IgniteFunction<T,T> identity()

Identity function.

Specified by:

identity in interface Function<T,R>

Type Parameters:

T - Type of input and output.

Returns:

Identity function.