OptimisticLock (Hibernate JavaDocs)

```
@Target({METHOD,FIELD})
@Retention(RUNTIME)
public @interface OptimisticLock
```
Specifies whether updating the annotated attribute should trigger an increment to the version of the entity instance.
If this annotation is not present, updating an attribute does cause the version to be incremented.

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  boolean excluded
  true if changing the annotated attribute should not cause the version to be incremented.

- Element Detail
  - excluded
```
boolean excluded
```
    true if changing the annotated attribute should not cause the version to be incremented.