Re: [rules-users] Drools 5 - how create Logger for Template File based rules?

You can use a KnowledgeBuilder with template-derived DRL-resources and set up your KnowledgeBase from its results the same way you do it with plain .drl-files. Obtain a StatefulKnaowledgeSession and pass this to the KnowledgeRuntimeLoggerFactory, as in your first code sample. -W On 6/30/09, chris@twc <christopher.mcfarland(a)twc.state.tx.us&gt; wrote: > > I'm trying to figure out how I can create a Logger to log rule > activations > for my Template File code. I followed the examples to successfully create > a > Logger for DRL and Decision Table examples. Apparently, to create a > Logger, > the KnowledgeRuntimeLoggerFactory methods take a > KnowledgeRuntimeEventManager type, which > *StatefulKnowledgeSession*implements. But, for the Template File > examples, the > *StatefulSession* from the "unstable" drools-core *does not* implement > this interface. SEE the code examples below - how do I create a Logger > for > my Template File code? > > //#### DRL FILE & EXCEL FILE EXAMPLE FOR CREATING A SESSION AND FIRING > THE > RULES: > //#### CREATING A RULES LOGGER WORKS > > // populate working memory > KnowledgeBuilder kbuilder = > KnowledgeBuilderFactory.newKnowledgeBuilder(); > kbuilder.add(...[DRL or DTABLE resources]...); > KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(); > knowledgeBase.addKnowledgePackages(kbuilder.getKnowledgePackages()); > // create session > StatefulKnowledgeSession rulesSession = > knowledgeBase.newStatefulKnowledgeSession(); > KnowledgeRuntimeLogger rulesLogger = > KnowledgeRuntimeLoggerFactory.newConsoleLogger(rulesSession); //<<*CREATE > LOGGER!* > FactHandle factHandle = rulesSession.insert(myFact); > // fire the rules > rulesSession.fireAllRules(); > > //#### TEMPLATE FILE EXAMPLE FOR CREATING A SESSION AND FIRING THE RULES: > //#### CREATING A RULES LOGGER DOES NOT COMPILE! > > // populate working memory > ExternalSpreadsheetCompiler converter = new > ExternalSpreadsheetCompiler(); > InputStream spreadsheetStream = ... > InputStream templateFileStream = ... > String drl = converter.compile(spreadsheetStream, templateFileStream, 3, > 3); > PackageBuilder builder = new PackageBuilder(); > builder.addPackageFromDrl(new StringReader(drl)); > RuleBase templateRuleBase = RuleBaseFactory.newRuleBase(); > templateRuleBase.addPackage(builder.getPackage()); > // create session > StatefulSession rulesSession = templateRuleBase.newStatefulSession(); > KnowledgeRuntimeLogger rulesLogger = > KnowledgeRuntimeLoggerFactory.newConsoleLogger(rulesSession);//<<*DOESN'T > COMPILE!* > FactHandle factHandle = rulesSession.insert(myFact); > // fire the rules > rulesSession.fireAllRules(); > > > ------------------------------ > View this message in context: Drools 5 - how create Logger for Template > File based > rules?<http://www.nabble.com/Drools-5---how-create-Logger-for-Template... > Sent from the drools - user mailing list > archive<http://www.nabble.com/drools---user-f11823.html>at Nabble.com. > > > _______________________________________________ > 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