Re: [rules-users] duration attribute & other rule language features issue

Hi, Tried your rule with the code below, but no luck. I am using only one rule, so the fact remains in drools session for sufficient time (> 5 s). Even if I uncomment the /thread.sleep(60000)/  line below, the rule does not trigger. ~~~~~~~~~~~~~~~~~~ public class DroolsTest {        static StatefulKnowledgeSession ksession = null;        static KnowledgeRuntimeLogger logger = null;        public static final void main(String[] args) {                try {                        initSession();                        testTimerAttribute();                } catch (Throwable t) {                        t.printStackTrace();                }        }        private static void testTimerAttribute() {                Alert alert = new Alert();                alert.setId(12345L);                alert.setType("TYPE");                alert.setComponentId("XXX");                WorkingMemoryEntryPoint entryPoint = ksession.getWorkingMemoryEntryPoint("EventStream");                entryPoint.insert(alert);                System.out.println("inserted...Count: " + entryPoint.getFactCount()); //Count returned = 1                try {                        //Thread.sleep(60000);                } catch (Exception ex) {                        System.out.println("Exception...");                }                Alert alert1 = new Alert();                alert1.setId(99991L);                alert1.setType("LINK_UP");                alert1.setComponentId("ZZZ");                entry.insert(alert1);                System.out.println("inserted again...Count: " + entry.getFactCount()); //Count returned = 2                logger.close();        }        private static void initSession() {                        new Thread(new Runnable() {                        public void run() {                                try {                                        System.out.println("Inside initSession()...");                                        KnowledgeBase kbase = readKnowledgeBase();                                        KnowledgeSessionConfiguration conf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();                                        conf.setOption( ClockTypeOption.get( "pseudo" ) );                                        ksession = kbase.newStatefulKnowledgeSession(conf, null);                                        logger = KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, "test");                                        ksession.fireUntilHalt();                                } catch (Exception t) {                                        System.out.println("Inside thread init() error..." + t.getMessage() + "#########" + t.getStackTrace());                                }                        }                      }).start();        } } And the rule is: rule "check timer attribute"        agenda-group "enrichment"        auto-focus true        no-loop        salience 140               //timer (int: 5s 1s)        when                 $alertObj : Object( eval($alertObj instanceof Alert)) from entry-point "EventStream"                 $alert : Alert( componentId == "XXX" ) from entry-point "EventStream"        then                try  {                System.out.println("[enrichment] nullify empty component id [alert=" + ((Alert)$alertObj).getId() + "] [Time: " + (Calendar.getInstance().getTimeInMillis()));                        //$alert.setType("test type");                        //$alert.setComponentId("YYY");                        //update($alert);                } catch (Throwable e) {                        System.out.println("[enrichment] ############## ERROR: nullify empty component id [alertId=");       // + $alert.getId() + "][error=" + e.toString() + "]");                } end ~~~~~~~~~~~~~~~~~~ Please suggest us some solution on timer() issue . One more thing I observed today is (without timer() off course), when I put following 3 lines in RHS of rule: /$alert.setType("test type"); $alert.setComponentId("YYY"); update($alert);/  then sometimes I get following exception at /update($alert)/: *java.lang.ClassCastException: org.drools.common.DefaultFactHandle cannot be cast to org.drools.common.EventFactHandle* org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:201) org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:145) org.drools.common.NamedEntryPoint.update(NamedEntryPoint.java:251) org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:183) org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:196) abc.xyz.alertProcessor.Rule_check_timer_attribute_0.defaultConsequence(Rule_check_timer_attribute_0.java:27) abc.xyz.alertProcessor.Rule_check_timer_attribute_0DefaultConsequenceInvoker.evaluate(Rule_check_timer_attribute_0DefaultConsequenceInvoker.java:35) org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:917) org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:856) org.drools.common.DefaultAgenda.fireUntilHalt(DefaultAgenda.java:1049) org.drools.common.AbstractWorkingMemory.fireUntilHalt(AbstractWorkingMemory.java:829) org.drools.common.AbstractWorkingMemory.fireUntilHalt(AbstractWorkingMemory.java:805) org.drools.impl.StatefulKnowledgeSessionImpl.fireUntilHalt(StatefulKnowledgeSessionImpl.java:230) Does this mean, modifying value of fact members in RHS is not expected? , & if modified then drools may not find that object in its pool for update() & retract() (based on the EventFactHandle)? - Prashant -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-duration-attribute-other-ru... 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