Re: [HAPI-devel] Checking for the existence of a segment or group

[Christian O. <chr...@gm...>]

Try if hl7Message.getINSURANCE(0).getIN1().isEmpty() works for you.

And, have a look at the Validation framework in HAPI (some examples in
http://hl7api.sourceforge.net/devbyexample.html)  - basically you define
your expectations as MessageRules and associate these rules to a
ValidationContext.

cheers
Christian


2013/7/3 Ian Vowles <Ian...@he...>

>  When building a transform of an HL7 message where some segment is
> optional, but if it is present lots of fields are to be checked and
> transformed, I like to check for existence of the segment first.
>
> Using HAPI I code the check like this:
>
>          if
> (!("IN1".equals(hl7Message.getINSURANCE(0).getIN1().encode()))) {
>             hl7In1 = hl7Message.getINSURANCE(0).getIN1();
>             .
>             .
>             Do the get/set/change of various fields of the hl7In1
>             .
>             .
>         }
>
> Is this a good way to check if it's there?  It has never looked quite
> right to me, but I haven't figured out another way.
>
> Thanks
> Ian
>
>
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