Package org.apache.storm.trident.operation

# Interface FlatMapFunction

All Superinterfaces:
  `Serializable`

All Known Subinterfaces:
  `OperationAwareFlatMapFunction`

public interface FlatMapFunction extends Serializable
A one to many transformation function.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Iterable<Values>`
  `execute(TridentTuple input)`
  Invoked by the framework for each trident tuple in a stream.

- ## Method Details

  - ### execute

    Iterable<Values> execute(TridentTuple input)
    Invoked by the framework for each trident tuple in a stream.
    Parameters:
      `input` - the input trident tuple
    Returns:
      an iterable over the resultant values