[rules-users] Help write rule drools
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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