RE: JESS: JavaBean String property doesn't match on LHSpattern.

[Alan Moore]

Change your rule to:

(defrule tcr2
   (tc (status "fail") (OBJECT ?tc)) 
   => 
   (printout t "Found match for status=fail" crlf)
)

Matching Strings on the lhs must be enclosed in quotes.

alan

-----Original Message-----
From: Bijal Modi [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 18, 2002 4:48 PM
To: [EMAIL PROTECTED]
Subject: JESS: JavaBean String property doesn't match on LHS pattern.


Hello,

I have a simple JavaBean  class TestCase as follows:

public class TestCase {
    private int domainID;
    private String status;

    public TestCase() {
        super();
    }
    public int getDomainID() {
        return domainID;
    }
    public void setDomainID(int newDomainID) {
        domainID = newDomainID;
    }
    public java.lang.String getStatus() {
        return status;
    }
    public void setStatus(java.lang.String newStatus) {
        status = newStatus;
    }

}


I create the template for it in Jess using defclass:

(defclass tc TestCase)

and define a definstance tc1 as follows:

(bind ?tc1 (new TestCase))
(set ?tc1 status fail)
(set ?tc1 domainID 1)
(definstance tc ?tc1 static)

and define two rules:

(defrule tcr1
   (tc (domainID 1) (OBJECT ?tc)) 
   => 
   (printout t "Found match for domainID=1" crlf)
)

(defrule tcr2
   (tc (status fail) (OBJECT ?tc)) 
   => 
   (printout t "Found match for status=fail" crlf)
)

Now when I run the Rule Engine, tcr1 gets fired but tcr2 
doesn't and I can't figure out why. I was expecting both 
rules to fire since the definstance tc1 has appropriate data.

thanks for your help,

-Bijal

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