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Goals

Discussion topics

See Discourse.

Item

Presenter

Notes

5 min

Opening

USEFUL Jira RESOURCE: CRs I have not accepted.

  • next meeting in January 10th

  • we keep by-weekly meetings over 2022

15 min

Conformance progress report

Thomas Beale

15 min

standards for Forms

Erik Sundvall

Diego Bosca : https://lhcforms.nlm.nih.gov/lhcforms

Erik Sundvall :

Discussions (all):

  • considers rules from ADL - (Definitely useful within an archetype - with ADL2 possibly also in templates across data from different archetypes?)

  • Nedap is using these rules, need to ask Pieter Bos for feedback.

  • Edit: In Slack Pieter later wrote:

    • Regarding the rules: the implementation is open source in Archie. It outputs things such as 'set the value at this path to this', and 'this part of the data must exist (is mandatory)'.If anyone would like to try, there's an imementation running at archetype-editor.nedap.healthcare. sign up and login, create a repository. Using the basic editor you can only define sums and averages. If you click 'advanced editor' at the bottom, you can see and edit the rules to achieve quite a lot more, and there's a form implementation that executes them as well. Note that this form only does compositions, observations and evaluations. (edited) 

      Oh it also outputs a copy of the object provided as input, modified by the rule evaluation, plus whatever assertions failed and succeeded, of course

      For editing the rules by hand, I would recommend the visual studio code extension, but it cannot execute them on data

  • need to ask Matija Polajnar about Better’s form-builder

    45 Min

    Presenting NeoEHR

    Borut Jures

    I'll list what I have done so far in case it helps to prepare questions:

    • I started with a BMM parser and converter to in-memory representation of the BMM files.

    • I used the BMM files to generate classes for AM and RM types.

    • I generated UML diagrams for the AM and RM types (https://neoehr.com/openehr/uml ).

    • I wrote a OPT2 to JSON converter since Pieter was busy and didn't want to add the required small fixes to his to-do list.

    • The generated AM types have a fromJson() method that can read the OPT2 JSON. At the same time it validates that it conforms to the correct format (see file AM206.zip).

    • When the OPT2 is loaded into memory as AM classes I build in-memory model of the OPT.

    • From the in-memory OPT model I generate OO representation of the OPT (see file VitalSignsSDK.zip).

    • The generated OPT models should be structurally similar to the UI representation of the OPT (I'm guessing). I'll work on trying to generate a forms app next.

    • In-memory model of the OPT has a "walker" that calls a "writer" methods. The walker part is always the same (SDK or forms). For the forms I have to "only" write a different writer. This "only" is probably a bigger task that all of the above.

    You have done the same with your code bases. I haven't done anything new. Maybe the only difference is that all the code can be run on a client side (web, iOS, Android) or server side.
    This allows for scenarios such as:

    • Reading OPT2 (in ADL) on a client.

    • Validating OPT2 on a client before generating JSON for the CDR.

    • Validating received JSON on the server (I have to add invariants to the generated code).

    • Automated conformance checking?

    15 min

    Conformance progress report

    Thomas Beale

    See Discourse.

    15 min

    Next SEC call

    Agenda items for next call, Jan 24:

    • elections etc

    Outstanding topics:

    • Matija Polajnar endpoint for committing persistent composition

    • Borut Jures (neoEHR) will join the meeting. The initial thought some weeks ago was to discuss how the generated UML diagram approach works and how it could be used in the specification web site (and spec. documents). Now he has already done a lot more regarding Code generation etc, so the discussion could broaden to more topics depending on participants' interests.

    Outstanding topics:

    Notes

    Action items

    •  Erik Sundvall will do initial draft of URN application; will report back.
    •  Thomas Beale need to have EhrBase representative in SEC

    ...