Package org.apache.storm.streams.operations

# Interface FlatMapFunction<T,R>

Type Parameters:
  `T` - the type of the input to the function
  `R` - the result type. An iterable of this type is returned from this function

All Superinterfaces:
  `Function<T,Iterable<R>>`, `Operation`, `Serializable`

All Known Subinterfaces:
  `PairFlatMapFunction<T,K,V>`

All Known Implementing Classes:
  `EvaluationCalc`

public interface FlatMapFunction<T,R> extends Function<T,Iterable<R>>
A function that accepts one argument and returns an `Iterable` of elements as its result.

- ## Method Summary

  ### Methods inherited from interface org.apache.storm.streams.operations.Function

  `apply`