[rules-users] "or" not working

[Yu Wang]

The "either" method is clever, and it works! Thank you so much, Edson.


On 8/8/08, Edson Tirelli <tirelli at post.com> wrote:
>
>   You must escape ( ...
>
> [condition][]\(=(
>
>   But I'm not sure it will work, because expansion is doing nothing... I
> mean, text before and after expansion is the same and the system was
> designed to check for changes...
>   Do you need to have ( alone in a line? Can't you use a more textual
> representation for "( or"? Like:
>
> rule XYX
> when
>     Either
>          Condition_1
>          Condition_2
>     End_Either
>  then
>     Action_1
> end
>
>    So you can map Either to "( or" and End_either or whatever word you chose
> to ")"?
>
>    Just trying to find alternate ways.
>
>
>       Edson
>
> 2008/8/8 Yu Wang <yuwarm at gmail.com>
> > This doesn't work.  :(
> >
> > Acutally I am using the eclipse plugin and the DSL viewer shows that
> > the source code looks fine. The code I put in my first email was taken
> > from the DSL viewer.
> >
> > but when I add the three lines:
> > [condition][](=(
> > [condition][])=)
> > [condition][]or=or
> >
> > The DSL viewer refuses to work and shows the following msg:
> > DSL Rule Translation Error!
> > Reason:
> > java.util.regex.PatternSyntaxException: Unclosed group
> near index 13
> > (\W|^)((\W|$)
> >
> > I think it means "(" in the last word.
> > I also tried "("="(", and '(', didn't work either.
> > So I can't add the three mappings this way. Any ideas? Thanks!
> >
> >
> >
> >
> >
> >
> >
> > On 8/8/08, Yu Wang <yuwarm at gmail.com> wrote:
> > > Thanks for your reply. Yes, I am using a DSL. So what you mean is I
> > > need to add 3 mappings in DSL like the following:
> > > ( mapped to (
> > > ) mapped to )
> > > or mapped to or
> > > right? I'll try that.
> > > Thanks a lot!
> > >
> > > On 8/8/08, Edson Tirelli <tirelli at post.com> wrote:
> > > >
> > > >    The error message indicates you are using DSL and the problem is
> not in
> > > > the DRL, but in DSL.
> > > >    DSL requires every single line to be "matches" (or expanded), so if
> you
> > > > have a line with a single ( and nothing more, either you have a
> mapping for
> > > > it, or you escape the line with ">".
> > > >
> > > >    Best way to fix your problem is to use the drools eclipse plugin
> for
> > > > .dslr files, and using the DRL preview feature.
> > > >
> > > >    []s
> > > >    Edson
> > > >
> > > > 2008/8/8 Yu Wang <yuwarm at gmail.com>
> > > > >
> > > > > Hi, I need help in making the "or" work. I have the following rule:
> > > > >
> > > > >
> > > > > rule
> > > > > when
> > > > > (
> > > > > or
> > > > >         Condition_clause_1
> > > > >         Condition_clause_2
> > > > > )
> > > > > then
> > > > >        Consequence_clause_1
> > > > > end
> > > > >
> > > > > -------------
> > > > >
> > > > > It gives me the following compilation error:
> > > > >
> > > > > org.drools.rule.InvalidRulePackage: [4] Unable to
> expand:
> > > > (  [5]
> > > > > Unable to expand: or    [8] Unable to expand: )
> > > > >
> > > > > Seems it doesn't recognize "(", "or", and ")". But I totally follow
> > > > > the documentation on section 6.5.2.3 of version 4.0.7.
> > > > >
> > > > >
> > > > > Any help is highly appreciated.
> > > > > _______________________________________________
> > > > > rules-users mailing list
> > > > > rules-users at lists.jboss.org
> > > > >
> https://lists.jboss.org/mailman/listinfo/rules-users
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Edson Tirelli
> > > > JBoss Drools Core Development
> > > > 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
> > > >
> > > >
> > >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
>
>
>
> --
> Edson Tirelli
> JBoss Drools Core Development
> 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
>
>