On 15/04/2013 11:54, Thomas Beale wrote: > > the update logic is Composition-level, and you can't commit something > smaller than a Composition. The default logic is 'optimistic' meaning > that there is no locking per se; instead, each request for a > Composition includes the version (in meta-data not visible to the data > author), and an attempt to write back a new version of a Composition > will cause a check between the current top version and the 'current > version' recorded for the Composition when it was retrieved. IF they > are identical, the write will succeed. There is also branching > supported in the specification. Read the Common IM > <http://www.openehr.org/releases/1.0.2/architecture/rm/common_im.pdf> > for the details.
I had meant to say here: this makes sense for EHR and similar systems because there is very low / no write competition for the same piece of the same patient record, as a general rule. - thomas -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openehr.org/pipermail/openehr-technical_lists.openehr.org/attachments/20130415/64732a83/attachment.html>