org.apache.spark.api.java.function

Interface ReduceFunction<T>

All Superinterfaces:

java.io.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 ReduceFunction<T>
extends java.io.Serializable

Base interface for function used in Dataset's reduce.

Method Summary

Modifier and Type	Method and Description
T	call(T v1, T v2)

Method Detail

call

T call(T v1,
       T v2)
throws Exception

Throws:

Exception