Function (Storm 2.7.1 API)

Type Parameters:

T - the type of the input to the function

R - the type of the result of the function

All Superinterfaces:

Operation, Serializable

All Known Subinterfaces:

FlatMapFunction<T,R>, PairFlatMapFunction<T,K,V>, PairFunction<T,K,V>, TupleValueMapper<T>

All Known Implementing Classes:

EvaluationCalc, EvaluationFunction, IdentityFunction, PairValueMapper, StreamInsertMapToPairFunction, StreamsScanTupleValueMapper, ValueMapper, ValuesMapper
```
public interface Function<T,R>
extends Operation
```
Represents a function that accepts one argument and produces a result.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  R apply(T input)
  Applies this function to the given argument.

- Method Detail
  - apply
```
R apply(T input)
```
    Applies this function to the given argument.
    
    Parameters:
    
    input - the input to the function
    
    Returns:
    
    the function result