I think =?iso-8859-1?Q?Diego_Alonso_Gonz=E1lez?= wrote:
>
> Now I'm trying to do it from java, but I am rather new with Jess
> and I don't get why it doesn't work
> ...
> ValueVector vv= new ValueVector();
> vv.add(new Value("(is-logged (user ?name)(since ?time))",RU.FACT));
> vv.add(new Value("(running (since ?time))"))",RU.FACT));
>
> Iterator it= mainRete.runQuery("who-is-logged",vv);
> ...
It doesn't work because that's not how to do it :)
There's no public API for building rules or queries in Jess
6. Instead, you can just use executeCommand:
mainRete.executeCommand("(defquery who-is-logged " +
"(is-logged (user ?name)(since ?time))" +
"(running (since ?time)))");
Iterator it = mainRete.runQuery("who-is-logged", new ValueVector());
The ValueVector would hold the parameters to the query -- i.e., the
arguments that you would pass to run-query in Jess.
---------------------------------------------------------
Ernest Friedman-Hill
Science and Engineering PSEs Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
PO Box 969, MS 9012 [EMAIL PROTECTED]
Livermore, CA 94550 http://herzberg.ca.sandia.gov
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