Mattias Forss wrote: > Hi all, > > I found there is an error at page 42 in the class description of > CONTENT_ITEM in the EHR specification. As you can see in the inherit > field, the class inherits itself, but it should inherit the class > LOCATABLE from the common package instead. > fixed - thanks > Another thing I would like to be clarified is that the > archetype_details field of LOCATABLE is mandatory for all archetype > root points. The COMPOSITION and ENTRY classes have the following > invariants respectively: > > Is_archetype_root: is_archetype_root > Archetype_root_point: is_archetype_root > > However, it should probably be pointed out that if either of the > classes are archetype root points, the archetype_details field > inherited from LOCATABLE is mandatory and must not be void. I assumed > that COMPOSITON classes can be archetype root points as well, but I am > not sure of the meaning of the term. See the class LOCATABLE - you will see it has the invariant:
Archetyped_valid: is_archetype_root xor archetype_details = Void this means that if is_archetype_root is True, then archetype_details /= Void - thomas > > Regards, > > Mattias > ------------------------------------------------------------------------ > > _______________________________________________ > openEHR-technical mailing list > openEHR-technical at openehr.org > http://www.chime.ucl.ac.uk/mailman/listinfo/openehr-technical > -- ___________________________________________________________________________________ CTO Ocean Informatics (http://www.OceanInformatics.biz) Research Fellow, University College London (http://www.chime.ucl.ac.uk) Chair Architectural Review Board, openEHR (http://www.openEHR.org) _______________________________________________ openEHR-technical mailing list openEHR-technical at openehr.org http://www.chime.ucl.ac.uk/mailman/listinfo/openehr-technical
