Business Rule for HL7 message with implicit AND condition

[FJaffer]

Friends,

I need to be able to pass a message only if both these conditions are true, but am not successful, please advise?

If OBR 2 is not null AND OBR 4 is not equal to "PAPFP".... my rule is not working because one condition is true and the other is not, and both need to be true.

Here is what I have in the business rule:

 

(HL7.{PIDgrpgrp(1).ORCgrp(1).OBR:PlacerOrderNumber(1).entityidentifier}!="")&&(HL7.{PIDgrpgrp(1).ORCgrp(1).OBR:UniversalServiceIdentifier.identifier}!="PAPFP")

My message is not crossing because the test code in OBR 4 is PAPFP but OBR 2 is null.

Also, can someone assist me or provide me the syntax with examples for using an IF in the business rule?

Thanks again,

Femina

[Lawrence Harris]

I am not sure you have worded this correctly?  You say it does not go because OBR 2 is null but that is exactly what you said was the behavior you wanted.  Your condition as written does what you described in the textual description.  Maybe you can clarify what you are trying to achieve.

OBR 2  |  OBR 4       | Result

null       | don't care   | Message is not forwarded
!null      | PAPFP       | Message is not forwarded
!null      | ! PAPFP     | Message is forwarded

This is how I read what you described.

Lawrence

[Raghu]

I don't think '!" works to negate a condition. Try using " '  ". Also, make sure entire condition is wrapped with ()

Thanks

Raghu

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[FJaffer]

Sorry Lawrence,

The HL7 message has PAPFP (true) in OBR 4, but OBR 2 is null.  The message should pass through.  Do not pass the message on if both conditions are TRUE.  Hope this makes sense now.

Femina

[Lawrence Harris]

So does that mean if OBR 4 is PAPFP then you always want to forward it but if it's not then only forward it if OBR 2 is not null?

If so then the logic would be:
(HL7.{PIDgrpgrp(1).ORCgrp(1).OBR:UniversalServiceIdentifier.identifier}="PAPFP")||(HL7.{PIDgrpgrp(1).ORCgrp(1).OBR:PlacerOrderNumber(1).entityidentifier}!="")

[Lawrence Harris]

In the business rules expression editor != is the correct operator.  See http://docs.intersystems.com/latest/csp/docbook/DocBook.UI.Page.cls?KEY=EBUS_rulesets#EBUS_ruleset_editor_expression_operators

It's not the Cache operator so they must translate it when the code is compiled, maybe both work?

Lawrence

On Wednesday, September 7, 2016 at 12:43:52 PM UTC-7, Raghavulu Kodumuri wrote:

I don't think '!" works to negate a condition. Try using " '  ". Also, make sure entire condition is wrapped with ()

Thanks

Raghu

On Wed, Sep 7, 2016 at 1:08 PM, FJaffer <femina...@gmail.com> wrote:

Friends,

I need to be able to pass a message only if both these conditions are true, but am not successful, please advise?

If OBR 2 is not null AND OBR 4 is not equal to "PAPFP".... my rule is not working because one condition is true and the other is not, and both need to be true.

Here is what I have in the business rule:

 

(HL7.{PIDgrpgrp(1).ORCgrp(1).OBR:PlacerOrderNumber(1).entityidentifier}!="")&&(HL7.{PIDgrpgrp(1).ORCgrp(1).OBR:UniversalServiceIdentifier.identifier}!="PAPFP")

My message is not crossing because the test code in OBR 4 is PAPFP but OBR 2 is null.

Also, can someone assist me or provide me the syntax with examples for using an IF in the business rule?

Thanks again,

Femina

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