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

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `Iterable<Values>` | `execute​(TridentTuple input)` | Invoked by the framework for each trident tuple in a stream.

- - ### Method Detail

    - #### 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