Architecture Notes

This page contains miscellaneous notes and collections of links on things like HL7 FHIR and microservices, mainly collected during the OpenTele3 architectural design work.

Official documentation (selected points):

• DSTU2: http://www.hl7.org/fhir/2015May (other versions: http://hl7.org/fhir/directory.html)
  • Significant changes and additions since DSTU1.
• Questionnaires: http://www.hl7.org/fhir/2015May/questionnaire.html & http://www.hl7.org/fhir/2015May/questionnaireanswers.html
• Observations: https://www.hl7.org/fhir/2015May/observation.html
  • notice: 'There are other resources that can be considered “specializations” of the Observation resource and should be used for those specific contexts and use cases. They include […] Questionnaire resource.' https://www.hl7.org/fhir/2015May/questionnaire.html
• Publish / subscribe:
  • DSTU1 focused on atom/rss mechanism in relation to pub/sub: http://www.hl7.org/FHIR/xml.html#atom
  • DSTU2 replaces atom with bundle and has explicit infrastructure mechanisms relating to pub/sub: https://www.hl7.org/fhir/2015May/subscription.html
• Norwegian implementation guide: http://www.hl7.no/fhir/profiles/0.3/

Presentations and videos:

• Video FHIR for executives: https://vimeo.com/112905640
• Slideshare FHIR for developers: http://www.slideshare.net/ewoutkramer/hl7-fhir-for-developers
• Tutorial presentations from FHIR meeting, Paris, May 2015: http://gforge.hl7.org/gf/project/fhir/scmsvn/?action=browse&path=%2Ftrunk%2Fpresentations%2F2015-05%2520Tutorials%2F
• FHIR and the future of Healthcare by Ewout Kramer, one of the FHIR chiefs: http://fhir-biztalk.com/2015/06/02/fhir-and-the-future-of-healthcare/

Open source:

• Active Java based open source implementation: http://jamesagnew.github.io/hapi-fhir/
  • good tutorial-like intro http://jamesagnew.github.io/hapi-fhir/doc_intro.html
  • implements latest DSTU2
  • 'Geared towards adding FHIR capability to existing applications (e.g. it's not a database, it's a library for quickly bolting FHIR on to your own database, or connecting to other FHIR servers as a client)'
• https://api.fhir.me - Josh Mandel / SMART Platforms
  • Open-source server in Grails (Java/Groovy) + MongoDB
  • “SMART on FHIR” Server: https://api.fhir.me | Source
  • “FHIR Starter” App Launcher https://apps.fhir.me | Source
• Other implementations: http://wiki.hl7.org/index.php?title=Open_Source_FHIR_implementations

FHIR and (the rest of) HL7 and IHE and Continua:

• The Relationship between FHIR and other HL7 Standards: http://www.hl7.org/FHIR/comparison.html#
• FHIR and CDA: http://www.hl7.org/FHIR/comparison-cda.html
• PCD-01 and FHIR: Austrian paper on 'Applying FHIR in an Integrated Health Monitoring System', http://www.ejbi.org/img/ejbi/2015/2/Franz_en.pdf
  • Video with paper presentation: https://vimeo.com/119422340
• IHE MHD (Mobile access to Health Documents): http://wiki.ihe.net/index.php?title=Mobile_access_to_Health_Documents_%28MHD%29
  • 'simple HTTP interface to an XDS like environment'
  • 'The IHE MHD profile and the HL7 FHIR activities are working together to revise and enhance the transactions profiled here'
• What seems to be very insightful blog posts on FIHR and XDS: http://fhirblog.com/category/xds/

The CDA book: http://www.springer.com/gp/book/9780857293350

Questionnaires: http://www.hl7.org/implement/standards/product_brief.cfm?product_id=335 & http://www.hl7.org/implement/standards/product_brief.cfm?product_id=336

Danish questionnaire profile: http://svn.medcom.dk/svn/drafts/Standarder/HL7/PRO/

Builder: https://bitbucket.org/4s/net4care-phmr-builder & https://bitbucket.org/4s/net4care-phmr-tutorial

Microservices:

• Martin Fowler on microservices: http://martinfowler.com/articles/microservices.html
• Notes on Newmans Microservices book…
• Microservices - related work & technology…
• Software architecture in practice book & chapter presentations

Tutorial: Build Twitter with Groovy Grails in 90 Minutes: https://www.youtube.com/watch?v=8d1hp8n1stA

Atlassian on Git workflows: https://www.atlassian.com/git/workflows

“A successful Git branching model”: http://nvie.com/posts/a-successful-git-branching-model/