Thomas Beale wrote: > Rong Chen wrote: > >> Thanks, Sam! Please see my comments below. >> >> Sam Heard wrote: >> >>> >>> Rong >>> >>> This is an important consideration - especially if we are to get the >>> event right. We have recently been moving away from offset to a >>> datetime stamp for the items in the history - as this is easier and >>> more realistic for summary data over a long period. >> >> >> >> Good to know that, I guess it will perhaps appear in the CR list soon. > > > actually, the current model has an offset in each event, not the > absolute time. This makes it easy to archetype, since you almost always > want to archetype offsets like 1, 2, 5 mins in apgar, or 30 mins, > 1h45mins in GTT. If we replace EVENT.offset: DV_DURATION with > EVENT.time: DV_DATE_TIME, then archetyping it becomes harder - how do > you constrain the date_time to be a certain offset from the origin? > Actually, you can do it in ADL archetypes - and completely formally - > using invariants - you have to write an invariant which mathematically > relates the origin of the HISTORY (actuall, the EVENT_SERIES) object and > the time of each event. But this makes it somewhat harder to define - > less obvious, and also harder to implement - it means that invariant > pasing and runtime processing have to be working. > > >> >>> >>> With this change - you want to find and label the 1 minute, 5 minute >>> and 10 minute Apgars - as the absolute time has no meaning. >>> >>> The Editor allows you to constrain the run time name of the event. >> >> >> >> My impression is that archetype can't constrain more than what >> reference information model can provide. In this case, there is no >> attribute "name" in the class EVENT, so it's not going to help very >> much even the archetype editor allows you to assign a name to EVENT. >> Maybe I got it wrong? > > > no you got it right. I have raised a CR in your name (= induction into > openEHR hall of fame;-) to make EVENT inherit from LOCATABLE. > > - thomas > >
Cool. Where is the CR by the way, I would like to follow it. I saw some openehr activities on jira.codehaus.org recently, can we start to use it to raise CRs? Rong - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
