[rules-users] "extends" in rules

[Edson Tirelli]

   This is now fixed and committed to trunk:

https://jira.jboss.org/jira/browse/JBRULES-2282

   Thanks for reporting.

   Edson

2009/9/15 Matt Wixson <mwixson at ceclabs.com>

> Hello,
>
> I am encountering the same problem described in the previous posting but
> did not see a response.   Is there a workaround or fix for this issue?
>
> The error is: "Unable to find declaration in list while generating the
> consequence invoker" when any variable from the parent is used in the
> child rule's Consequence.
>
> Thanks,
> Matt
>
> > On Aug 20, 2009, at 8:30 PM, Chandana Pingle
> > <chandana.pingle at intunity.com.au
> >  > wrote:
> >
> >> Hi,
> >>
> >> I found an example on using "extends" to extend a rule from another
> >> rule.
> >> Using extends would only include the WHEN side of the rule.
> >>
> >> I want to use the variable defined in the parent rule in sub rule
> >> ,something like below example,how do i do that?
> >>
> >> rule A
> >> when
> >>    $a:String( )
> >>    eval($a=="abc")
> >> then
> >>    do something
> >> end
> >>
> >> rule B extends A
> >> when
> >>   $b:String( )
> >>   $c:SomeClass()
> >> then
> >>   $c.someMethod($a,$b) //i am not able to use $a here
> >>   end
>
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>



-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss by Red Hat @ www.jboss.com
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