@Test public void testUpdateWithNonEffectiveActivations() throws Exception { // JBRULES-3604 String str = "package inheritance\n" + "\n" + "import org.drools.Address\n" + "\n" + "rule \"Parent\"\n" + " enabled false\n" + " when \n" + " $a : Address(suburb == \"xyz\")\n" + " then \n" + " System.out.println( $a ); \n" + "end \n" + "rule \"Child\" extends \"Parent\" \n" + " when \n" + " $b : Address( this == $a, street == \"123\")\n" + " then \n" + " System.out.println( $b ); \n" + "end"; KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder(); builder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL); if (builder.hasErrors()) { throw new RuntimeException(builder.getErrors().toString()); } KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration(); kconf.setOption(LRUnlinkingOption.ENABLED); KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(kconf); knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages()); StatefulKnowledgeSession ksession = knowledgeBase.newStatefulKnowledgeSession(); Address address = new Address(); address.setSuburb("xyz"); org.kie.runtime.rule.FactHandle addressHandle = ksession.insert(address); int rulesFired = ksession.fireAllRules(); assertEquals(0, rulesFired); address.setStreet("123"); ksession.update(addressHandle, address); rulesFired = ksession.fireAllRules(); System.out.println(rulesFired); assertEquals(1, rulesFired); ksession.dispose(); }
public static void main(final String[] args) { final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add( ResourceFactory.newClassPathResource( "WorkItemConsequence1.drl", WorkItemConsequenceExample1.class), ResourceType.DRL); final KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(); kbase.addKnowledgePackages(kbuilder.getKnowledgePackages()); if (kbuilder.hasErrors()) { throw new RuntimeException("Compilation error.\n" + kbuilder.getErrors().toString()); } final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); ksession .getWorkItemManager() .registerWorkItemHandler("EmailWorkItemHandler", new EmailWorkItemHandler()); // KnowledgeRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, // "log/WorkItemConsequence.log"); // Brains does not cause concern PersonLocation brains = new PersonLocation("Brains", 5); ksession.insert(brains); ksession.fireAllRules(); // Gargamel is too far away to care PersonLocation gargamel = new PersonLocation("Gargamel", 10); FactHandle gargamelFactHandle = ksession.insert(gargamel); ksession.fireAllRules(); // Uh oh, Gargamel moves closer gargamel.setDistance(5); ksession.update(gargamelFactHandle, gargamel); ksession.fireAllRules(); // logger.close(); ksession.dispose(); // Stateful rule session must always be disposed when finished }