I think Venkat wrote:
>
> Hi,
>
> In the process of integrating SQL outputs to JESS, I am now
> asserting a fact in JESS for every tuple returned from a query.
>
> Two of the fields (defined as varchar) in the tuples are to be
> fed to multislot fact - i need to strip the single string to mulislot
> fields - job of "Create$" ?? Should I handle this from the Java side
> or Clips side ?? And when using defclass how is a multislot field
> defined in the Bean using get and set methods? Getting lost here !!
Well, there are a number of questions here:
1) "explode$" turns a string into a multifield. It does it using Jess'
concept of a token, though, so it might not do what you want. For
example, 'this&that' is three tokens - you might want it to be one. If
you have this kind of problem, then you'd best do it yourself in Java.
2) Properties whose actual values are arrays - i.e.,
String[] getInfo() { ... }
void setInfo(String[] s) { ... }
are translated by defclass into multislots. You have to match, set,
and get the whole array at once. So called "indexed" properties, like
String getInfo(int i) { }
void setInfo(String s, int i) { }
are NOT recognized as properties, so you can't match on them.
>
> I have the sequence working for single slots. Any suggestions
> on multislots will be helpful.
>
> I have tried to make this mail as short as possible - if I need to
> expand on anything please let me know.
>
> Thanks,
> Venkat
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Ernest Friedman-Hill
Distributed Systems Research Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
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PO Box 969 http://herzberg.ca.sandia.gov
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