Re: [rules-users] How to Capture the rule which does not get executed

Thanks for your reply...could you please tell me what is this myGlobal?

2010/10/13 Michael Anstis <michael.anstis(a)gmail.com&gt; > You could store all rules in a global and remove those that execute in an > AgendaEventListener's activtionCreated event (re-adding those that get > retracted by Truth Maintenance in the AgendaEventListeners > activationCancelled event). > > //Loads rules > KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); > kbuilder.add(ResourceFactory.newClassPathResource("myrules.drl"), > ResourceType.DRL); > KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(); > Collection<KnowledgePackage> kpackages = kbuilder.getKnowledgePackages(); > kbase.addKnowledgePackages(kpackages); > > //Get all rules > for(KnowledgePackage kpackage : kpackages) { > for(Rule rule : kpackage.getRules()) { > myGlobal.add(rule); > } > } > > //The usual suspects > StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); > ksession.addEventListener(new DefaultAgendaEventListener() { > @Override > void activationCreated(ActivationCreatedEvent event) { > myGlobal.remove(event.getActivation().getRule()); > } > > @Override > void activationCancelled(ActivationCancelledEvent event) { > myGlobal.add(event.getActivation().getRule()); > } > }); > > ksession.fireAllRules(); > > You could also use an AgendaEventListener to better manage the contents of > the Rule collection for more complex scenarios where Truth Maintenance could > retract an activation - that the simpler solution above wold > > > > 2010/10/13 Navdeep Kumar <nkumar(a)objectwave.com&gt; > >> Hi All, >> >> I am new to Drools. I am working on a project where nature of rules are >> dynamic. I want to capture that rule which does not get executed. i need to >> store that rule because i have to display that rule in the UI. >> >> Here is my rule file >> >> rule "FrontAxle:Capacity|FrontSuspension:Capacity" >> >> when >> b:Feature(featureClass.name=="FrontSuspension") >> c:Feature(featureClass.name=="FrontAxle") >> //eval(b.getCapacity() >= c.getCapacity()) >> then >> System.out.println("These are compatible"); >> System.out.println(b.getFeatureClass().getName()); >> >> availablity.put(b.getFeatureClass().getName()+"-"+c.getFeatureClass().getName(),"12.35"); >> //availablity.put(b.getName()+"-"+c.getName(),new >> Double(b.getCapacity())); >> insert(availablity); >> end >> rule "FrontSuspension:Type|FrontAxle:Type" >> when >> b:Feature(featureClass.name=="FrontSuspension") >> c:Feature(featureClass.name=="FrontAxle") >> not Feature(b.attributes.Type=="I Beam" && c.attributes.Type=="Multi >> Link Air") >> //NOT (FrontAxle.type = "I-Beam" AND FrontSuspension.type = "Multi-link >> Air") - mounting restriction >> then >> System.out.println("I am in 2"); >> end >> rule "FrontAxle:FeatureCode|FrontSuspension:Type" >> when >> b:Feature(featureClass.name=="FrontSuspension") >> Feature(featureClass.name=="FrontAxle" && code=="002ASW")and not >> Feature(b.attributes.Type=="Multi Link Air" || b.attributes.Type=="Monoleaf >> Spring") >> //FrontAxle.featureCode = "002ASW" AND NOT (FrontSuspension.type = >> "Multi-link Air" OR FrontSuspension.type = "Monoleaf Spring") >> then >> System.out.println("I am in 3"); >> end >> >> >> >> >> >> >> now if these two objects named FrontAxle and FrontSuspension are >> compatible then it has to meet all the 3 rules, but if any combination of >> these objects does not meet one of the rule listed above then i have to >> store the rule for the displaying purpose that this combination didn't meet >> this rule thats why they are not compatible. any kind of help will be >> appreciated. >> >> >> >> Thanks. >> >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users