Jakarta Persistence (JPA) Method

SingularAttribute<? super X,Y> getId(
  Class<Y> type
)

Return the attribute that corresponds to the id attribute of the entity or mapped superclass.
Parameters:
type - the type of the represented id attribute
Returns:
id attribute.
Throws:
IllegalArgumentException - if id attribute of the given type is not present in the identifiable type or if the identifiable type has an id class.
Since:
Jakarta Persistence (JPA) 1.0