Most of the times you're fine converting a message to the highest supported version.
We use the terser and convert any message to a 2.5 message. Then we apply the logic that would apply for a 2.5 message. I understand there are some message types, some data types, and some segments which get dropped as you progress across versions, but we haven't lost much data because of that. Regards, rahul From: Kamp, Daniel (GE Healthcare) [mailto:[email protected]] Sent: Thursday, July 23, 2009 11:36 AM To: [email protected] Subject: [HAPI-devel] How to access repeating fields using the generic Message type Good afternoon, I am trying to write a transformer which converts an HL7 message to a local object graph. In doing so, I need to account for repeating fields. For example, PID-5 can have multiple names and we need to parse it out into a List of PatientName objects (each PatientName object contains family name, given name, and name type code). Since we need to support many versions of HL7 we can not use a specific v 2.x model data types. Instead we are relying on the generic: ca.uhn.hl7v2.model.Message ca.uhn.hl7v2.util.Terser to parse the message. I have had a difficult time finding simple examples of parsing repeating fields using these generic classes. I realize if we used ca.uhn.hl7v2.model.v25.message it would be easier to do this, but we need to remain version agnostic. Can anyone assist me in a simple way to extract a repeating field as mentioned above? Thank you in advance, Dan Dan Kamp GE Healthcare Information Technologies - Global Engineering Shared Asset Solutions T (847) 277- 4327 D *567-4327 E [email protected] <blocked::mailto:[email protected]> www.gehealthcare.com <blocked::http://www.gehealthcare.com/> Checked by AVG - www.avg.com Version: 8.5.387 / Virus Database: 270.13.20/2250 - Release Date: 07/23/09 06:02:00
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