[rules-users] convert drl file to rf?

[al so]

I think I get the point to some extent. Let me restate what I am trying to
do so that I am not missing anything here.

I myself understand the concept of controlling the rule execution order
using various attributes like agenda-group, salience, etc. But there is a
section of audience I am trying to address who do not understand these
Drools concepts at all but they now java. They can get some clue on each
individual rule definition but not the sequencing part. They do not want to
learn Drools! But they want to at least modify these rule definitions by
adding more conditional validations or even define new rules and link with
the existing rules. This is where I thought a UI visualization tool which
can parse these rule definitions and draw all possible execution orders
might help.



On Wed, Jul 4, 2012 at 12:42 AM, Davide Sottara <dsotty at gmail.com> wrote:

> I think that Mario Fusco is working on a metadata framework, a set of API
> that will allow to expose information about the rules. With that, it will
> be
> possible to build something like what you mentioned. Unfortunately, the
> problem is not as simple as one might think: as Wolfgang pointed out, too,
> there is no unique way to transform a set of rules into a graph. You may
> want a graph of the partial rule ordering induced by salience, but that
> won't help too much at runtime (for that, you may prefer a snapshot of the
> activations in the agenda). You may want a dependency graph of the rules,
> to
> see which one may insert (retract) facts relevant for the activation of
> another. You may even want a better graphical representation of the RETE
> network, to see where sharing kicks in. We are also planning to unify and
> improve the concept of *-group, so you may want to see the ordering and
> dependencies between the groups themselves.
> This is work in progress even now, any suggestion, more detailed
> requirement
> or contribution will be welcome and might speed up the implementation
> process.
>
> Of course, if you take the suggestion of writing your own workflow to
> control the rule flow, you can work around the issue, as you would be the
> one imposing the ordering precisely :)
>
> Best
> Davide
>
> Final remark: DRL rules are compiled in a RETE, which is a graph. So,
> although VERY fine-grained, it could be possible to view a DRL file as a
> graph, as well as authoring the "rules" graphically, by composing the RETE
> manually. There should be some rule editor+engine which takes this approach
> in the market, but of course this would be appropriate for very small scale
> rule projects.
>
> --
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