The persistent classes represent a weblog, and an item posted in a weblog. They are to be modelled as a standard parent/child relationship, but we will use an ordered bag, instead of a set. The XML mappings should now be quite straightforward. ]]> ]]> The following class demonstrates some of the kinds of things we can do with these classes, using Hibernate. :minDate" ); Calendar cal = Calendar.getInstance(); cal.roll(Calendar.MONTH, false); q.setCalendar("minDate", cal); result = q.list(); tx.commit(); } catch (HibernateException he) { if (tx!=null) tx.rollback(); throw he; } finally { session.close(); } return result; } }]]>