It's a bug, possibly a regression from 5.2.0 that has been in 5.3.0, 5.4.0 and is still in 5.5.0.
It should be very simple to add http://codetidy.com/6206/ as a test case so that this will be fixed. -W On 14/07/2013, Wolfgang Laun <[email protected]> wrote: > Which Drools version do you use? > > On 14/07/2013, k <[email protected]> wrote: >> Hi, >> basically it's the same problem this guy had >> http://stackoverflow.com/questions/11485122/non-template-dynamic-rules-in-drools >> <http://stackoverflow.com/questions/11485122/non-template-dynamic-rules-in-drools> >> >> , 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 >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users >> > _______________________________________________ rules-dev mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-dev
