io.ray.streaming.api.function.impl

Interface KeyFunction<T,K>

Type Parameters:

T - Type of the input data.

K - Type of the key-by field.

All Superinterfaces:

Function, Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface KeyFunction<T,K>
extends Function

Interface of key-by functions.

Method Summary

Modifier and Type	Method and Description
K	keyBy(T value)

Methods inherited from interface io.ray.streaming.api.function.Function

loadCheckpoint, saveCheckpoint

Method Detail

keyBy

K keyBy(T value)