Interface FlatMapGroupsFunction<K,V,R>

All Superinterfaces:
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 FlatMapGroupsFunction<K,V,R> extends Serializable
A function that returns zero or more output records from each grouping key and its values.
  • Method Summary

    Modifier and Type
    Method
    Description
    call(K key, Iterator<V> values)