If I understand what you’re asking, you could use a HAPI Terser
(https://hapifhir.github.io/hapi-hl7v2/base/apidocs/ca/uhn/hl7v2/util/Terser.html
<https://hapifhir.github.io/hapi-hl7v2/base/apidocs/ca/uhn/hl7v2/util/Terser.html>)
in your bean.
HTH
Quinn Stevenson
qu...@pronoia-solutions.com
(801) 244-7758
> On Oct 26, 2017, at 10:35 AM, Walzer, Thomas <thomas.wal...@integratix.net>
> wrote:
>
> Hi everyone,
>
> I think I painted myself into a mental corner.
>
> Goal is to achieve a canonical dataformat to log my HL7 messages.
>
> I would like to accomodate various HL7 versions/event types where I need
> different terser expressions like
> /PATIENT_RESULT/PATIENT/PV1-19-1 or
> /RESPONSE/PATIENT/VISIT/PV1-19-1 for PV1-19.
> These expressions are dependent on version, event type, etc.
>
> In my route the expressions work ok, however I have lots of choice/when
> decisions which breaks easily. So I thought about putting that logic into a
> bean.
> That works great with @Terser language annotations. However those expressions
> are fixed. I would have loved to use terser expressions in the bean. Like so:
>
> if (versionId.equalsIgnoreCase("2.2")) {
> headers.put(„dob", terser("/PATIENT_RESULT/PATIENT/PID-7-1"));
> headers.put(„surname",
> terser("/PATIENT_RESULT/PATIENT/PID-5-1"));
> headers.put(„name", terser("/PATIENT_RESULT/PATIENT/PID-5-2"));
> headers.put("pid", terser("/PATIENT_RESULT/PATIENT/PID-3-1"));
> headers.put(„caseno",
> terser("/PATIENT_RESULT/PATIENT/PV1-19-1"));
> } else if (versionId.equalsIgnoreCase("2.3")) {
> headers.put(„dob", terser("/RESPONSE/PATIENT/PID-7-1"));
> headers.put(„surname", terser("/RESPONSE/PATIENT/PID-5-1"));
> headers.put(„name", terser("/RESPONSE/PATIENT/PID-5-2"));
> headers.put("pid", terser("/RESPONSE/PATIENT/PID-3-1"));
> headers.put(„caseno",
> terser("/RESPONSE/PATIENT/VISIT/PV1-19-1"));
>
> Is this possible? Or are there other approaches I am currently missing?
>
> I created a sample in https://github.com/twalzer/tersertest that kinda works.
> But not like sketched above. Any hints?
>
> Cheers, Thomas.
>
>
>
>
>
