FlatMapFunction (Storm 2.7.1 API)

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