[rules-users] Help write rule drools

Wolfgang Laun wolfgang.laun at gmail.com
Wed Jun 4 05:47:42 EDT 2014


How do you want the result? Printed lines on standard output? One for
each pair of connected nodes, as you have shown it below "result"? Or
collected in another fact?

-W

On 4 June 2014 10:09, nill <nillx87 at hotmail.com> wrote:
> My structure is composed of 2 classes (Node, Link)
> class Node {
> List <Link> out;
> List <Link> in;
> }
> class Link {
> Source node;
> Target node;
> }
>
> they are inserted as facts in working memory.
>
> I have to write a rule that will unite for each node joins the links that
> have the same destination, and if there is then the inverse must also join
> the latter.
>
> eg.
> A - link1 -> B
> A - link2 -> B
> A - link3 -> C
> C - link4 -> D
> B - link5 -> A
>
> result
> A - link1 + link2 +link5 -> B
> A - link3 -> C
> C - link4 -> D
>
> Can anyone help me?
>
>
>
> --
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