Hi Tomas, Thanks a lot for your comprehensive reply. On Jul 16, 2009, at 3:37 PM, Thomas Beale wrote:
> > Hi Soheil, > > Thomas Beale wrote: >> >> Soheil Hassas Yeganeh wrote: >>> >>> Hi there, >>> >>> I was reading the documents and specifications of OpenEHR EHR. As >>> far as I read, EHR class has some fields of type OBJECT_REF (e.g. >>> status, compositions, ...). >>> These fields are all versioned and the details of each version can >>> be found in the contributions of the EHR. >>> So, there are two possibilities hear that I can not get which one >>> is corret: >>> 1. The OBJECT_REF points to an object that is a real object, not a >>> version one. For example the reference points to an object of type >>> EHR_STATUS. >>> 2. The OBJECT_REF points to the versioned object and the user can >>> find real objects from the versioned one. For example the >>> reference points to a VERSION object of type EHR_STATUS. >>> >>> Would you please let me know which one is correct? > > technically it can do both things; it depends on the kind of 'id' > used. In the EHR model, the references from the EHR object to the > various EHR_STATUS etc objects are of the first kind above, i.e. a > reference to a VERSIONED_EHR_STATUS etc; the reference is the same > no matter how many versions of EHR_STATUS are made. The second one, you mean? I read the java reference implementation and saw it is implemented in the same way. Bests, Soheil Hassas Yeganeh PhD Student Computer Engineering Department Sharif University of Technology Tehran, Iran > > - thomas beale > > > > _______________________________________________ > openEHR-technical mailing list > openEHR-technical at openehr.org > http://lists.chime.ucl.ac.uk/mailman/listinfo/openehr-technical -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openehr.org/mailman/private/openehr-technical_lists.openehr.org/attachments/20090716/c28be82a/attachment.html>
