Great question, I would also like to know if there is a way of doing this.
Right now I need to check each element for null.
Lansdale Redmond wrote:
>
> How can I check if a segment is present in a message..when I do the
> following code it always returns a value then if I read a field the vlue
> is null..very similar to if it was there...how do you know the
> difference
>
>
>
> PID seg = (PID) hapiMessage.get("PID");
>
> if ( seg == null)
>
> return false;
>
> else
>
> return true;
>
>
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:-)
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