Thank you, i think that may be what i was looking for.
------------------------------------------------------------------------
*Laurent (Harry) Hasson*
360Fresh
On 2/16/2012 22:41, Ian Vowles wrote:
What you are after is the terser. Cut and pasted snippets below.
Since the structure of the ORM is rather deep, I included some
additional strings to make it easier. The example I extracted this
from uses a properties file that has a database column name as the
key, and the datatype and terse destination as the value, like this:
MESSAGE_TYPE=VARCHAR2|MSH-9-1
TRIGGER_EVENT=VARCHAR2|MSH-9-2
PATIENT_CLASS=VARCHAR2|PV1-2
ORDER_CONTROL=VARCHAR2|ORC-1
ORDER_STATUS=VARCHAR2|ORC-5
CLI_ID=NUMBER|PID-3
CLI_LAST_NAME=VARCHAR2|PID-5-1
CLI_FIRST_NAME=VARCHAR2|PID-5-2
CLI_OTHER_NAMES=VARCHAR2|PID-5-3
CLI_TITLE=VARCHAR2|PID-5-5
CLI_BIRTH_DATE=DATE|PID-7
I split the value on the pipe, make some format decisions using the
datatype, and put the value into the nominated field with the terser.
The deeper and somewhat odd looking terser keys can be seen if you
create a message of a particular type and do a printstructure.
With the message object and it's terser you can use both the technique
you have shown, and the terser interchangeably to construct your message.
You mention that there are differences from hospital to hospital,
which I have seen with content, but seldom with structure. If the
hospital doesn't follow the HL7 standard in it's structure, you may
have to build custom messages. If they just put funny content in, you
can use either of these techniques to get at the content, and do what
you need.
Note this code is a few lines cut from a running interface, just to
show the use. It's not in any way complete. It doiesn't show the loop
through the columns of the recordset object of the database source to
fill the entire message. The MSH segment is filled out using the
hl7Out.getMSH().getVersionID().getVersionID().setValue("2.3.1");
technique.
import ca.uhn.hl7v2.HL7Exception;
import ca.uhn.hl7v2.model.DataTypeException;
import ca.uhn.hl7v2.model.v231.message.ORM_O01;
import ca.uhn.hl7v2.parser.CustomModelClassFactory;
import ca.uhn.hl7v2.parser.ModelClassFactory;
import ca.uhn.hl7v2.util.Terser;
ModelClassFactory cmf = new
CustomModelClassFactory("au.gov.qld.health.sit.bsqr");
ORM_O01 hl7Out = new ORM_O01(cmf);
System.out.println(hl7Out.printStructure());
Terser terser = new Terser(hl7Out);
String pidTerse = "/PIDPD1NTEPV1PV2IN1IN2IN3GT1AL1";
String pv1Terse = "/PIDPD1NTEPV1PV2IN1IN2IN3GT1AL1/PV1PV2";
String orcTerse =
"/ORCOBRRQDRQ1ODSODTRXONTEDG1RXRRXCNTEOBXNTECTIBLG";
String obrTerse = orcTerse +
"/OBRRQDRQ1ODSODTRXONTEDG1RXRRXCNTEOBXNTE";
if (!mobileStationName.equalsIgnoreCase("unknown")) {
terser.set(obrTerse + "/OBR-21", mobileStationName);
}
Best of luck
Ian
>>> LDH <l...@360fresh.com> 17/02/12 12:37 >>>
I just worked on a project which used Mirth, and in the mapping code,
we'd do something like
var PatientGivenName = msg['PID.5.2'].toString();
I have been searching the docs and samples online to find a way to
access values from "path expressions" like the above, but without
success. A quick pointer would be so useful.
The reason why i am researching this is that i'd like eventually to
have a simple configuration file that would provide simple mappings
which could then be modified without changing code. Currently, i'd get
the field with the following code:
ADT_A01 ADT = (ADT_A01) Msg;
ADT.getPID().getPatientName(0).getGivenName().getValue();
Clearly, for FirstName, that is unlikely to change, but some other
values seem to vary a lot from hospital to hospital and would like my
doce to be more flexible and driven by a simple mapping configuration.
Thank you.
Laurent Hasson
360Fresh
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