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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