sure...check out this site:
http://www.hibernate.org/98.html Hibernate page, talks about using middlegen.
Also, there's a very useful zipfile download to get you started with using middlegen for Hibernate ( no ejb stuff here ):
http://prdownloads.sourceforge.net/hibernate/?sort_by=date&sort=desc look for middlegen-hibernate...zip
hope that's enough to get you started.
[ September 22, 2004: Message edited by: Ogi Kavazovic ]