I have the following rules and facts in Jess:
(defrule ruleone (enter name) => (store first red) (assert (enter place)))
(defrule ruletwo (enter place) => (store first blue) (assert (enter animal)))
(reset)
(assert (enter name))
I have the following code in Java to retrieve the facts red and blue
and print them.
import jess.*;
public class ReteFirst {
public static String forwardQuestions() throws Exception {
Rete engine = new Rete();
engine.executeCommand ("(batch firstrules.clp)");
//System.out.println ("New Rete is created");
engine.run();
Value myValue = engine.fetch("first");
String s = myValue.stringValue(engine.getGlobalContext());
return s;
}
public static void main(String args[]) throws Exception {
//ReteFirst a = new ReteFirst();
System.out.println(ReteFirst.forwardQuestions());
}
}
When I execute this code I get only the last fact ie blue printed. I
need both facts printed. Is there a specific function to search the
working memory to test the existence of fact based on the head?
Please help.
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