ibutes of the embedded id that do not correspond
 to the relationship to the parent entity.

 <p> Relationship mappings defined within an embedded id class are not supported.

 <pre>
    Example 1:

    &#064;EmbeddedId
    protected EmployeePK empPK;


    Example 2:

    &#064;Embeddable
    public class DependentId {
       String name;
       EmployeeId empPK;   // corresponds to primary key type of Employee
    }

    &#064;Entity
    public class Dependent {
       // default column name for "name" at