DriverRunner (Component API)

```
@Target(TYPE)
@Retention(RUNTIME)
public @interface DriverRunner
```
Mark a class as a DriverRunner which means instance of this class will be run only on the driver node. This class shouldn't handle or produce any data.

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  String family
  
  String name

- Element Detail
  - family
```
String family
```
    Returns:
    
    the component of this mapper (family/grouping value).
    
    Default:
    
    ""
- - name
```
String name
```
    Returns:
    
    the value of the related input.
    
    Default:
    
    ""