[rules-users] Decision tree, Is this scenario possible in Drools 5.x, need to fire a new question based on the answer of previous

[Mark Proctor]

You could also just model this with jBPM.

Mark
On 7 Jun 2013, at 10:43, rjr201 <rich.j.riley at gmail.com> wrote:

> I don't think it'd be too hard to model a decision tree in a .drl file. 
> 
> You'd need a rule for each node/transition in your graph. Something like: 
> 
> WHEN 
>   $cn : CurrentNode( Node(name == "Is the dispute related to Unauthorised")
> )
>   $d : Decision ( answer = "Yes" )
>   $nextNode : Node (name == "CM disputes the charge..")
> THEN 
>   retract $cn
>   retract $d
>   insert new CurrentNode($nextNode)
> END
> 
> Then create rules that halt at nodes that have no transitions leading out of
> them (end nodes).
> 
> You could then start it as a statefull session, and input the decisions one
> by one until an end node is reached. 
> 
> I've done that kind of thing before and it's not been too cumbersome. But
> then I don't know the context of what you are doing.. 
> 
> 
> 
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