Interface FlatMapFunction<T,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 FlatMapFunction<T,R> extends Serializable
A function that returns zero or more output records from each input record.
  • Method Summary

    Modifier and Type
    Method
    Description
    call(T t)