Thanks Wolfgang, this helps a lot! I must have missed the getConditionalElements in the API. The analysis of the rule's LHS is working great and it's RHS is more complex but do-able.
Once again, thanks for the advice, Pete On Thu, Aug 15, 2013 at 6:51 PM, Wolfgang Laun <wolfgang.l...@gmail.com>wrote: > Rete has listDefrules and Defrule has getConditionalElements, which > lets you retrieve its constituents, depending on it being a Pattern or > Accumulate; if it is a Group you must recurse down... It's like > walking an AST > > RHS is similar. But note that fact modifications are possible in > functions, so if one of these is called on the RHS, you'll have to > investigate in depth. > > Expect to have some fun ;-) > > Cheers > Wolfgang > > > On 14/08/2013, Przemyslaw Woznowski <p.r.woznow...@cs.cf.ac.uk> wrote: > > Dear Jess users. > > > > What I am trying to do is to dynamically list all the defrules together > > with their LHS and RHS facts excluding any conditions. Basically what I > > mean is that, for example, if there are Person and Car facts on the > rule's > > LHS and the rule asserts an Owner fact, deletes the Car fact and modifies > > the Person fact. I would like to create a data structure that would, for > > each rule, carry it's name and the facts it needs to fire (excluding any > > conditions just deftemplate's name) and any deftemplates that appear on > the > > rule's RHS. So for the example above, something like: > > Rule_1 > > needs: Person, Car > > asserts: Owner > > modifies: Person > > deletes: Car > > > > I can get a list of all defrules via the listDefrules() method called on > > the Rete object but then it gets tricky. The listNodes() method called on > > the HasLHS object gives a textual description of the rule's LHS but I > > cannot find a method that would simply return name of facts on the LHS. > > Some text processing would solve the rule's LHS problem as I can look for > > occurrences of "::" to find facts. However, the rule's RHS is more > > problematic as I cannot find a method that would give me what I want. > > > > I would appreciate your help with this one. > > > > Best regards, > > Pete > > > > -- > > Przemyslaw (Pete) Woznowski, PhD candidate & RA > > Email: p.r.woznow...@cs.cardiff.ac.uk > > Room C/2.06, Desk 8 > > Cardiff School of Computer Science & Informatics, > > Cardiff University, > > Queen's Buildings, > > 5 The Parade, Roath, > > Cardiff, CF24 3AA, UK > > & School of Healthcare Studies, > > Cardiff University > > Cardigan House > > Heath Park Campus > > Cardiff, CF14 4XN, UK > > > -------------------------------------------------------------------- > To unsubscribe, send the words 'unsubscribe jess-users y...@address.com' > in the BODY of a message to majord...@sandia.gov, NOT to the list > (use your own address!) List problems? Notify owner-jess-us...@sandia.gov. > -------------------------------------------------------------------- > > -- Przemyslaw (Pete) Woznowski, PhD candidate & RA Email: p.r.woznow...@cs.cardiff.ac.uk Room C/2.06, Desk 8 Cardiff School of Computer Science & Informatics, Cardiff University, Queen's Buildings, 5 The Parade, Roath, Cardiff, CF24 3AA, UK & School of Healthcare Studies, Cardiff University Cardigan House Heath Park Campus Cardiff, CF14 4XN, UK
