ShardKey (Morphia)

```
@Documented
@Retention(RUNTIME)
@Target(ANNOTATION_TYPE)
@MorphiaExperimental
public @interface ShardKey
```
Defines a shard key of a particular type

Since:

2.3

Developer note.
This is an experimental item. Its function and presence are subject to change. Feedback on features and usability extremely welcome.

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  String value
  The shard key value
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  ShardKeyType type
  The type of sharding to use.

- Element Detail
  - value
```
String value
```
    The shard key value
    
    Returns:
    
    the shard key
- - type
```
ShardKeyType type
```
    The type of sharding to use.
    
    Returns:
    
    the type
    
    Default:
    
    dev.morphia.mapping.ShardKeyType.RANGED