I think I just answered this one - I guess I'd better put this in the
FAQ. Compile and install this Userfunction; the syntax is then
(find-slot-value ?fact-id ?slot-name)
public class FactSlotValue implements Userfunction
{
public String getName() { return "fact-slot-value"; }
public Value call(ValueVector vv, Context context) throws ReteException
{
Fact f = new Fact(context.getEngine().findFactByID(vv.get(1).factIDValue()),
context.getEngine());
return f.findValue(vv.get(2).stringValue());
}
}
I think H�kan Lindgren wrote:
>
> Is there some way to access a certain slot in a deftemplate.
> You know the number of the fact, and want to get the value from a
> specific slot in that fact. How do I do?
>
> Thanks in advance for any response. / Hakan
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