Re: [HAPI-devel] How to find Repeating Segments

[tcervantez <tam...@ca...>]

Here is some additional info that might help. I found that with the solutions
provided here that I had to have the appropriate message version import
(i.e. ca.uhn.hl7v2.model.v22.segment.OBX) which was a problem since I use
many versions of HL7 messages. So it works best for me to use the terser to
get and set values. To handle multiple OBX segments I used the following.


hapiMsg = p.parse(sourceMessage);
Terser terser = new Terser(hapiMsg);
terser.get("/.OBSERVATION(2)/.OBX-2-1");
terser.set("/.OBSERVATION(2)/.OBX-2-1", "CE");

This is equivelent to: 
OBX obx =
message.getPATIENT_RESULT().getORDER_OBSERVATION().getOBSERVATION(2).getOBX();
obx.getValueType().setValue("CE"); 

My objective was to take an existing message and update any of the values.
With this code I updated the 2nd field in the 3rd OBX segment from "NM" to
"CE" as seen in the message below

MSH|^~\&|OADD|${FACILITY}|HELIX||201012010910||ORU^R01|20101720000042|T|2.2
PID|||PX65^^^MRENTR||Mayer^Ronny
PV1||I||2|||9898^Jackson^Burt^T|||||||||||IP||||||||||||||||||||||||||201012010840
OBX|1|NM|NA^Sodium^0|1.1|140^3|mmol/L|137-146||||F|||201012010905|IM^|8035^COX^CATHERINE(IM)
OBX|2|NM|K^Potassium^0|1.1|4.5|mmol/L|3.5-5.0||||F|||201012010905|IM^|8035^COX^CATHERINE
(IM)
OBX|3|CE|CL^Chloride^0|1.1|100|mmol/L|98-109||||F|||201012010905|IM^|8035^COX^CATHERINE(IM)


tcervantez




nksharma0624 wrote:
> 
> To find the repeating OBX segment..Here is the code snippet:
> 
> To get at the OBX:
> 
> 	ORU_R01 ORU_R01Message = (ORU_R01) theMessage;
> 	
> 	for (int PATIENT_RESULTRep = 0;
> PATIENT_RESULTRep<ORU_R01Message.getPATIENT_RESULTReps();
> PATIENT_RESULTRep++) {
> 	    
> 	    for (int ORDER_OBSERVATIONRep = 0;
> ORDER_OBSERVATIONRep<ORU_R01Message.getPATIENT_RESULT(PATIENT_RESULTRep)
> .getORDER_OBSERVATIONReps(); ORDER_OBSERVATIONRep++) {
> 		
> 		for (int OBSERVATIONRep = 0;
> OBSERVATIONRep<ORU_R01Message.getPATIENT_RESULT(PATIENT_RESULTRep).getOR
> DER_OBSERVATION(ORDER_OBSERVATIONRep).getOBSERVATIONReps();
> OBSERVATIONRep++) {
> 		    	
> 			String[] OBX3Value=
> TerserUtil.getOBX3(localTerser, PATIENT_RESULTRep, ORDER_OBSERVATIONRep,
> OBSERVATIONRep);
> 			 
> 		}
> 	    }
> 	}
> 
> To get the Values of OBX:
>     public static String[] getOBX3(Terser localTerser, int
> PATIENT_RESULTRep, int ORDER_OBSERVATIONRep, int OBSERVATIONRep) throws
> HL7Exception {
> 
> 	String [] OBX3 = new String[6];
> 	String terserPath = "PATIENT_RESULT(" + PATIENT_RESULTRep +
> ")/ORDER_OBSERVATION(" + ORDER_OBSERVATIONRep + ")/OBSERVATION(" +
> OBSERVATIONRep + ")/OBX-"; 
> 	OBX3[0] = localTerser.get(terserPath + "3(0)-1-1");
> 	OBX3[1] = localTerser.get(terserPath + "3(0)-2-1");
> 	OBX3[2] = localTerser.get(terserPath + "3(0)-3-1");
> 	OBX3[3] = localTerser.get(terserPath + "3(0)-4-1");
> 	OBX3[4] = localTerser.get(terserPath + "3(0)-5-1");
> 	OBX3[5] = localTerser.get(terserPath + "3(0)-6-1");
> 	return OBX3;
> 
>     }
> 
> 
> 
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