How to find Repeating Segments

[nksharma0624]

Hello Everybody....

I am trying to find an API or code hach to get the repeating segments.

For example in the ORU_R01 message OBX segments are repeated..How can I iterate on each available OBX and use terser to get the fields

So I would like to have something like this:
Foreach repSegment
find number of Fields present in this segment
Foreach Field
Find indices and run terser to get the value.


So my clue is around extending the Terser class but this seems to be a pretty vital API so wondering if anybody has done any thing?

Any help.

[Johnny2R]

Something like this should work:


 int obxCount = msg.getORDER().getORDER_DETAIL().getOBSERVATIONReps();
 for (int i = 0; i < obxCount; i++) {
       OBX obx = msg.getORDER().getORDER_DETAIL().getOBSERVATION(i).getOBX();
      //use your terser here
       String id = terser.get(obx, 1, 0, 1, 1);
       String value = terser.get(obx, 5, 0, 1, 1);
}

[nksharma0624]

Not sure...what type of object msg is ..

If it is Message or ORU_R01 in both cases it does not find the methods
you have used.

Help.

Thanks.

Regards
-Niranjan.

-----Original Message-----
From: Johnny2R [mailto:grails@...]
Sent: Tuesday, August 04, 2009 7:01 AM
To: hl7api-devel@...
Subject: Re: [HAPI-devel] How to find Repeating Segments


Something like this should work:


 int obxCount = msg.getORDER().getORDER_DETAIL().getOBSERVATIONReps();
 for (int i = 0; i < obxCount; i++) {
       OBX obx =
msg.getORDER().getORDER_DETAIL().getOBSERVATION(i).getOBX();
      //use your terser here
       String id = terser.get(obx, 1, 0, 1, 1);
       String value = terser.get(obx, 5, 0, 1, 1);
}
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[Johnny2R]

Sorry, you're right, I was assuming an ORM O01 message (which I've been burying my head in recently). The same principle applies with an ORU_R01 message, though. Try:

 int obxCount = msg.getPATIENT_RESULT().getORDER_OBSERVATION().getOBSERVATIONReps();
 for (int i = 0; i < obxCount; i++) {
       OBX obx =
msg.getPATIENT_RESULT().getORDER_OBSERVATION().getOBSERVATION(i).getOBX();
      //use your terser here
       String id = terser.get(obx, 1, 0, 1, 1);
       String value = terser.get(obx, 5, 0, 1, 1);
}

Of course, you may have to take account of any repetitions (I'm assuming one ORDER_OBSERVATION).

[nksharma0624]

Thanks Johnny..For note here...

I was doing the same but I did not realized that I was not passing the
values with parameterized strings.

It works.

Here is the snapshot.
ORU_R01 ORU_R01Message = (ORU_R01) theMessage;
       
        for (int i = 0; i<ORU_R01Message.getPATIENT_RESULTReps(); i++) {
           
            for (int j = 0;
j<ORU_R01Message.getPATIENT_RESULT(i).getORDER_OBSERVATIONReps(); j++) {
               
                for (int k = 0;
k<ORU_R01Message.getPATIENT_RESULT(i).getORDER_OBSERVATION(j).getOBSERVA
TIONReps(); k++) {
                    String terserPath = "/PATIENT_RESULT(" + i +
")/ORDER_OBSERVATION(" + j + ")/OBSERVATION(" + k + ")/OBX-3";
                        String value= t.get(terserPath);
                         logger.debug(value);
                        logger.debug("k=" + k);
                }
            }
        }

-----Original Message-----
From: Johnny2R [mailto:grails@...]
Sent: Tuesday, August 04, 2009 8:33 AM
To: hl7api-devel@...
Subject: Re: [HAPI-devel] How to find Repeating Segments


Sorry, you're right, I was assuming an ORM O01 message (which I've been
burying my head in recently). The same principle applies with an ORU_R01
message, though. Try:

 int obxCount =
msg.getPATIENT_RESULT().getORDER_OBSERVATION().getOBSERVATIONReps();
 for (int i = 0; i < obxCount; i++) {
       OBX obx =
msg.getPATIENT_RESULT().getORDER_OBSERVATION().getOBSERVATION(i).getOBX(
);
      //use your terser here
       String id = terser.get(obx, 1, 0, 1, 1);
       String value = terser.get(obx, 5, 0, 1, 1);
}

Of course, you may have to take account of any repetitions (I'm assuming
one
ORDER_OBSERVATION).
--
View this message in context:
http://www.nabble.com/How-to-find-Repeating-Segments-tp24700999p24809784
.html
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[nksharma0624]

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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