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OHF IHE actor implementations [message #41115]

Mon, 03 March 2008 16:53

Eclipse User

Originally posted by: rsnelick.nist.gov

We were contemplating incorporating the OHF HL7 V2 actors (e.g., PDQ
Consumer) into a larger testing framework. Initially, we thought the OHF
actors were reference implementations of these actors. However, after
examining the documentation and code we made the following observations:

1. There is no implementation (simulation) of the IHE actor (e.g., PDQ
consumer); there is just the mechanisms to talk to it (e.g., create a
query message). What OHF provides are the mechanisms to interact with IHE
actors, but not an actual reference implementation of the actor? Is this
correct? Is it the intent that a user has its own real implementation of
the IHE actor and OHF provides tools to interact with it (to test it)?
What we are looking for is the reference implementation; do you know if
these are available?

2.OHF requires Eclipse plug-ins, how difficult is it to make the code
standalone? How dependent is the HL7 V2 functionality tied to the Eclipse
framework? That is, can the HL7 V2 code be directly ran as a Java
application or library that can be access directly?

Thanks
Rob Snelick
NIST

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Re: OHF IHE actor implementations [message #41146 is a reply to message #41115]

Mon, 03 March 2008 17:06

Sondra Renly

Messages: 39
Registered: July 2009

Member

Hi Rob,

Thank you for posting to the newsgroup.

Q1. There is no implementation (simulation) of the IHE actor (e.g., PDQ
consumer); there is just the mechanisms to talk to it (e.g., create a
query message). What OHF provides are the mechanisms to interact with
IHE actors, but not an actual reference implementation of the actor? Is
this correct? Is it the intent that a user has its own real
implementation of the IHE actor and OHF provides tools to interact with
it (to test it)? What we are looking for is the reference
implementation; do you know if these are available?

A1: The Eclipse OHF project provides tooling for healthcare application
vendors to quickly implement IHE profiles; thereby driving adoption of
interoperability in healthcare. It is correct that we do not provide a
reference implementation application. We do provide the IHE Bridge
component (which is an implementation exposing web services) as well as
sample code and junits. As a tool, we supported 10 systems at
Connectathon 2008.

I am aware of one open source application implementation (uses the IHE
Bridge component), OpenEMR from Possibility Forge. This group attended
Connectathon and HIMSS in 2007. They may be open to working with you as
a reference implementation. Other open source applications are
considering adding IHE profiles and may be able to help you further down
the road.

Q2.OHF requires Eclipse plug-ins, how difficult is it to make the code
standalone? How dependent is the HL7 V2 functionality tied to the
Eclipse framework? That is, can the HL7 V2 code be directly ran as a
Java application or library that can be access directly?

A2: OHF committers have intentionally avoided Eclipse framework
dependencies because our clients, healthcare application vendors, use
other platforms. The plug-ins can be run directly in Java applications
or as a library.

Sondra

Rob Snelick wrote:
>
> We were contemplating incorporating the OHF HL7 V2 actors (e.g., PDQ
> Consumer) into a larger testing framework. Initially, we thought the OHF
> actors were �reference implementations� of these actors. However, after
> examining the documentation and code we made the following observations:
> 1. There is no implementation (simulation) of the IHE actor (e.g., PDQ
> consumer); there is just the mechanisms to talk to it (e.g., create a
> query message). What OHF provides are the mechanisms to interact with
> IHE actors, but not an actual reference implementation of the actor? Is
> this correct? Is it the intent that a user has its own real
> implementation of the IHE actor and OHF provides tools to interact with
> it (to test it)? What we are looking for is the reference
> implementation; do you know if these are available?
> 2.OHF requires Eclipse plug-ins, how difficult is it to make the code
> standalone? How dependent is the HL7 V2 functionality tied to the
> Eclipse framework? That is, can the HL7 V2 code be directly ran as a
> Java application or library that can be access directly?

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Re: OHF IHE actor implementations [message #41208 is a reply to message #41146]

Mon, 03 March 2008 18:43

Eclipse User

Originally posted by: rsnelick.nist.gov

Sondra thanks for your answer.

At some point, I think we can use the bridge component.

To further elaborate IHE (Gazelle-the next generation Mesa tools) is
looking to automate more of the connectathon (and pre-connectathon)
testing processes. As part of that architecture, there is a need to
provide reference implementations (simulators) of the IHE actors. We are
first seeking open source implementations, since there are so many IHE
actors. Well look into the OpenEMR effort; if anyone else knows of other
efforts, please post.

Thanks
Rob

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