[rules-users] JBoss Rules IDE Error on StringEvaluator

[Ronald R. DiFrango]

On a similar note, it would be good if the line numbers were displayed so I
could find the error much easier.  [I do not that is TONS easier than in the
old 2.x days]

On 5/24/07, Ronald R. DiFrango <ron.difrango at gmail.com> wrote:
>
> Edson,
>
> Actually, I am glad it caught it, because that was not my intent at all.
> I was a global search and replace issue on my part.
>
> If you added in support for these operations, I still think a warning
> would be in order because that may not be what you intended,
>
> I am considering the move to 4.0.x series, but I have hard deadline and am
> being risk averse at this point.
>
> Ron
>
> On 5/24/07, Edson Tirelli <tirelli at post.com> wrote:
> >
> >
> >     Ronald,
> >
> >     I see now. Version 3.0.x still used integer codes for operators and
> > that is the reason the error message is saying operator '50'.
> >     So, the problem is you are trying to use >= (operator 50) with a
> > string attribute:
> >
> >     public static final int EQUAL            = 1;
> >     public static final int NOT_EQUAL        = 10;
> >     public static final int LESS             = 20;
> >     public static final int LESS_OR_EQUAL    = 30;
> >
> >
> >     public static final int GREATER          = 40;
> >     public static final int GREATER_OR_EQUAL = 50;
> >     public static final int CONTAINS         = 60;
> >     public static final int MATCHES          = 70;
> >
> >     public static final int EXCLUDES         = 80;
> >
> >
> >       Version 4.0 already uses type safe enums for operators, so message
> > will be better.
> >
> >       Back to your problem, I guess we should add support for
> > comparisons between strings using the java lexicographic order. We don't do
> > it as of today.
> >
> >       What you can do as a work around is to use a predicate:
> >
> > MyFact( $s: strAttr -> ( $s.compareTo( $otherValue ) >= 0 ) )
> >
> >        May I ask you please to open a JIRA with a feature request to
> > support comparison for string objects?
> >
> >        Thank you,
> >           Edson
> >
> > 2007/5/24, Ronald R. DiFrango < ron.difrango at gmail.com>:
> > >
> > > Edson,
> > >
> > > I am using 3.0.5 of the IDE which is the latest version I could find
> > > on the update site.
> > >
> > > I have asked when the newer version might be posted, but I never did
> > > hear an answer back.
> > >
> > > Ron
> > >
> > > On 5/23/07, Edson Tirelli <tirelli at post.com> wrote:
> > > >
> > > >    Ronald,
> > > >
> > > >    When you write an expression for a String attribute like:
> > > >
> > > > Person( name > "Edson" )
> > > >
> > > >    It should raise an exception saying:
> > > >
> > > > Operator '>' does not exists for StringEvaluator.
> > > >
> > > >    Although, he is saying Operator '50'?!?!
> > > >
> > > >    What version of drools are you using?
> > > >
> > > >    []s
> > > >    Edson
> > > >
> > > >
> > > >
> > > >
> > > > 2007/5/23, Ronald R. DiFrango < ron.difrango at gmail.com>:
> > > > >
> > > > > Anyone ever seen this error in the IDE:
> > > > >
> > > > > Severity and Description    Path    Resource    Location
> > > > > Creation Time    Id
> > > > > Operator '50' does not exist for StringEvaluator
> > > > > RtvDecisionEngine/src/rules/com/circuitcity/rtvcrms/rules
> > > > > rtv.drl    Unknown    1179954317638    29080
> > > > >
> > > > > And if so what do you do about it?  My rules file is just under
> > > > > 1000 lines [and growing] and shows no other errors.
> > > > >
> > > > > _______________________________________________
> > > > > rules-users mailing list
> > > > > rules-users at lists.jboss.org
> > > > > https://lists.jboss.org/mailman/listinfo/rules-users
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > >   Edson Tirelli
> > > >   Software Engineer - JBoss Rules Core Developer
> > > >   Office: +55 11 3529-6000
> > > >   Mobile: +55 11 9287-5646
> > > >   JBoss, a division of Red Hat @ www.jboss.com
> > >
> > >
> > >
> >
> >
> > --
> >   Edson Tirelli
> >   Software Engineer - JBoss Rules Core Developer
> >   Office: +55 11 3529-6000
> >   Mobile: +55 11 9287-5646
> >   JBoss, a division of Red Hat @ www.jboss.com
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
> >
>
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