SystemAttributesProvider (UNITY documentation 3.8.1 API)

```
public interface SystemAttributesProvider
```
Implementations (must be Spring components) provide additional system attribute types, defined by extensions. Those types are added to the database at startup (only if undefined).

Author:

K. Benedyczak

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  List<AttributeType> getSystemAttributes()
  
  boolean requiresUpdate(AttributeType at)

- Method Detail
  - getSystemAttributes
```
List<AttributeType> getSystemAttributes()
```
    Returns:
    
    a list of attribute types of this provider
  - requiresUpdate
```
boolean requiresUpdate(AttributeType at)
```
    Parameters:
    
    at - existing attribute type
    
    Returns:
    
    true if the type should be updated