I've got a few questions about HAPI for you...
1/ I've got HL7 ORU_R01 messages that are constructed thusly:
MSH | …
PID | 1 | …
NTE | 1 | …
NTE | 2 | …
PV1 | 1 | …
OBR | 1 | …
OBX | 1 | …
OBX | 2 | …
OBX | 3 | …
.
.
.
OBX | 32 | ...
OBR | 2 | …
OBX | 33 | …
.
.
.
OBX | n | …
OBX | 1 | …
OBX | 2 | …
.
.
.
OBX | n |
ZU1 |
ZU2 |
So there are multiple groups of multiple, contiguous OBX segments with OBR
segments interspersed between these groups, with 'Z' segments at the end.
Is there any way to (easily?) process these OBX segments/groups?
2/ I've been trying out HAPI on a sample HL7 file and I'm having trouble
getting the patient ID (or anything else) from the PID segment. It works
fine for the MSH segment, but as soon as I try the same type of extraction
technique on the PID segment, I'm getting 'null' values. The code looks
like:
// Retrieve some data from the MSH segment.
Terser t = new Terser(hapiMsg);
String msgType, msgTrigger, sendingApp, sendingFacility, patientId;
try {
msgType = t.get("/MSH-9-1");
msgTrigger = t.get("/MSH-9-2");
sendingApp = t.get("/MSH-3-1");
sendingFacility = t.get("/MSH-4-1");
patientId = t.get("/.PID-3-1");
} catch(HL7Exception HL7e) {
logger.error("ProcessHL7Files::process_msg() : HL7Exception thrown in
process_msg()!");
HL7e.printStackTrace();
return -1;
}
logger.info("ProcessHL7Files::process_msg() : 'msgType' = " + msgType);
logger.info("ProcessHL7Files::process_msg() : 'msgTrigger' = " +
msgTrigger);
logger.info("ProcessHL7Files::process_msg() : 'sendingApp' = " +
sendingApp);
logger.info("ProcessHL7Files::process_msg() : 'sendingFacility' = " +
sendingFacility);
logger.info("ProcessHL7Files::process_msg() : 'patientId' = " +
patientId);
I believe that the '.' character is supposed to be where I have it in the
line patientId = t.get("/.PID-3-1");
Any help would be very highly appreciated.
--
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