Does our opt validator validate a data instance against this? Yes.
It causes all sorts of problems in scenarios like apgar when event times are 
real rather than derived from the origin and this constraint.

Regards

Heath




On Sun, Feb 14, 2016 at 11:34 AM -0800, "Ian McNicoll" 
<i...@freshehr.com<mailto:i...@freshehr.com>> wrote:

Thanks Heath,

That makes sense. Does OceanEHR validate the constraint?

Ian

Dr Ian McNicoll
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[https://docs.google.com/uc?id=0BzLo3mNUvbAjT2R5Sm1DdFZYTU0&export=download]
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ian.mcnic...@openehr.org<mailto:ian.mcnic...@openehr.org>
Director, freshEHR Clinical Informatics Ltd.
Director, HANDIHealth CIC
Hon. Senior Research Associate, CHIME, UCL

On 14 February 2016 at 19:02, Heath Frankel 
<heath.fran...@oceaninformatics.com<mailto:heath.fran...@oceaninformatics.com>> 
wrote:
Hi Koray,
This is a constraint on the value that origin function returns rather than 
indicating it is a settable attribute. This was how Sam defined the events on 
an apgar score, 1 min, 5 min, etc.

Regards

Heath

_____________________________
From: Ian McNicoll <i...@freshehr.com<mailto:i...@freshehr.com>>
Sent: Sunday, February 14, 2016 5:10 AM
Subject: Re: Strange use of 'offset' as a settable RM attribute
To: For openEHR technical discussions 
<openehr-technical@lists.openehr.org<mailto:openehr-technical@lists.openehr.org>>



Hi Koray,

I agree - can you create a JIRA PR at ...

https://openehr.atlassian.net/projects/AEPR/issues/AEPR-45?filter=allopenissues

Ian

Dr Ian McNicoll
mobile +44 (0)775 209 7859<tel:+44%20775%20209%207859>
office +44 (0)1536 414994<tel:+44%201536%20414994>
skype: ianmcnicoll
email: i...@freshehr.com<mailto:i...@freshehr.com>
twitter: @ianmcnicoll

[https://docs.google.com/uc?id=0BzLo3mNUvbAjT2R5Sm1DdFZYTU0&export=download]
Co-Chair, openEHR Foundation 
ian.mcnic...@openehr.org<mailto:ian.mcnic...@openehr.org>
Director, freshEHR Clinical Informatics Ltd.
Director, HANDIHealth CIC
Hon. Senior Research Associate, CHIME, UCL

On 12 February 2016 at 04:29, Koray Atalag 
<k.ata...@auckland.ac.nz<mailto:k.ata...@auckland.ac.nz>> wrote:
Hi,

We noted it is possible to set values from AE/TD to a RM attribute named 
"offset"
In the 
specs<http://www.openehr.org/releases/RM/Release-1.0.3/docs/data_structures/data_structures.html#_event_class>
 (looked at >1.0.1) it is not a regular attribute but a function which returns 
a computed value using diff HISTORY.origin and EVENT.time
Note that this diff can also be a negative value - which doesn't seem to be 
supported by AE/TD or in instance data

An example ADL:

POINT_EVENT[at0002] occurrences matches {0..*} matches {        -- Any event
               offset matches {
                              DV_DURATION matches {
                                             value matches {|PT0.125S|}
                              }
               }

Isn't this weird?
I would expect this to return a value if a valid ISO8601 time has been entered 
for both HISTORY.origin and EVENT.time but not set as an attribute directly.

Cheers,

-koray


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