Hey Aziz,
Try like this:
when
$f : Father( age > 45 )
exists( Son( age > 5 ) from $f.sons )
then
// $f is older than 45 and has at least one son older than 5
end
Happy drooling,
[]s
Edson
2008/7/17 Aziz Boxwala <[EMAIL PROTECTED]>:
> I have the following class structure.
>
> Class GrandFather {
> List<Father> fathers;
> public List<Father> getFathers() {return fathers;}
> }
>
> Class Father {
> int age;
> List<Son> sons;
> public int getAge() {return age;}
> public List<Son> getSons() {return sons;}
> }
>
> Class Son {
> int age;
> public int getAge() {return age;}
> }
>
> I'd like to write a rule that finds all the Fathers who have age > 45 and
> have Sons where the son's age is greater than 5. But I can't figure out how
> to use "from" to iterate over father first and then over son.
>
> Any help will be greatly appreciated.
>
> Thanks,
> --Aziz
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users@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@lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
