If you need source compatibility between ECLIPSE and Jess, I would
think the only way you're going to get it is to write a set of
functions in both ECLIPSE and Jess which have the same interface. If
ECLIPSE already has a set of standard date-related functions, maybe
you could emulate them in Jess.

If you didn't need source compatibility, then you could simply work
with java.util.Date objects directly from the Jess language -- perhaps
with some help from a small set of deffunctions.

Pattern matching with Dates comes up periodically on this list; maybe
Jess needs DATE as a built-in type? Anybody have any ideas on this?


I think [EMAIL PROTECTED] wrote:
> Greetings,
> I am converting a Haley ECLIPSE knowledge base that I developed a few 
> years ago so that it is interoperable between JESS and ECLIPSE.  I have to 
> maintain interoperability because ECLIPSE is being presently used in a 
> legacy Win32 application and JESS is being used in a new Java-based web 
> application that needs to use the same business rules but not share the 
> same middle tier. 
> 
>  The knowledge base does extensive reasoning with dates and I have not 
> been able to find any reference in the documentation or the mail archive 
> about using dates in JESS.  The only option I see is to extend JESS with a 
> data function.  Is my perception correct?
> 
> John Sederberg
> 




---------------------------------------------------------
Ernest Friedman-Hill  
Distributed Systems Research        Phone: (925) 294-2154
Sandia National Labs                FAX:   (925) 294-2234
Org. 8920, MS 9012                  [EMAIL PROTECTED]
PO Box 969                  http://herzberg.ca.sandia.gov
Livermore, CA 94550

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