Hello,
I'm having some problems to use interfaces in Jess. I had make a search
in the mailing list, and although there were some messages over the
topic, i still was not able to really understand how the process works.
The problem is basic: I have a set of classes C, and a respective set of
interfaces I. I'm creating objects of classes C and adding to the
working memory. I would like use the interfaces I to access this objects
(in Jess). How?
Solutions:
a) should i declare the classes, and work with the classes, leaving
the interfaces behind;
b) declare the interfaces as (deftemplate I_name (declare
(from-class C_name)); Doesn't work, because when i try to match in a
rule, I_name is not the same as C_name, then Jess don't match
c) have a combination of declarations of interfaces and classes,
like Russ did in a previous message
"r.eval("(defclass IInterface1 IInterface1)");
r.eval("(defclass IInterface2 IInterface2 extends
IInterface1)");
r.eval("(defclass AbstractClassA AbstractClassA extends
IInterface2)");
r.eval("(defclass ClassB ClassB extends AbstractClassA)");
r.eval("(defclass ClassC ClassC extends AbstractClassA)");
r.eval("(defclass ClassD ClassD extends IInterface2)");"
, which i have tried but haven't worked.
Any ideas?
Joao
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