UuidGenerator (Hibernate Javadocs)

```
@Retention(RUNTIME)
@Target({FIELD,METHOD})
public @interface UuidGenerator
```
Specifies that an entity identifier is generated as an RFC 4122 UUID.
The type of the identifier attribute may be UUID or String.

Since:

6.0

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  UuidGenerator.Style style
  Specifies which style of UUID generation should be used.

- Element Detail
  - style
```
UuidGenerator.Style style
```
    Specifies which style of UUID generation should be used.
    
    Default:
    
    org.hibernate.annotations.UuidGenerator.Style.AUTO