Re: [rules-dev] [rules-users] Dynamic Rules and Eval

Which Drools version do you use? On 14/07/2013, k <rrdh(a)gmx.net&gt; wrote: > Hi, > basically it's the same problem this guy had > http://stackoverflow.com/questions/11485122/non-template-dynamic-rules-in... > <http://stackoverflow.com/questions/11485122/non-template-dynamic-rules-in... > > , but the links in that question don't work. > > I'd like to dynamically add rules to a running session, but can use > 'eval' > only in the very first one. If I add a second rule like the following, it > won't execute: > > --- > > String test2 = > "\nrule id4" + > "\nwhen" + > "\neval(0 == 0)" + // if this eval is removed, "done2" is inserted > "\nthen" + > "\ninsertLogical( \"done2\" );" + > "\nend"; > > kbuilder.add(ResourceFactory.newByteArrayResource(test2.getBytes()), > ResourceType.DRL); > session.getKnowledgeBase().addKnowledgePackages(kbuilder.getKnowledgePackages()); > > fired = session.fireAllRules(); > System.out.println(fired); // 0 > effects = session.getObjects(); > assertTrue("fired", effects.contains("done2")); // fails > > --- > > You can see the complete Test at http://codetidy.com/6206/ > > I'm also not sure if this is the correct way to dynamically add rules, so > please let me know, if there's a better way to add rules from strings. > > How can I dynamically add new rules to a running session and still use > eval? > > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/Dynamic-Rules-and-Eval-tp4024908.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >