Key Annotation
Sets the Key for type conversion.
Usage
The Key annotation must be applied at field or method level.
Parameters
| Parameter | Required | Default | Description | 
|---|---|---|---|
| value | no | java.lang.Object.class | The key property value. | 
Examples
 // The key property for User objects within the users collection is the <code>userName</code> attribute.
 @Key( value = java.lang.Long.class )
 private Map<Long, User> userMap;
