Examples with DefaultAgendaEventListener org.kie.api.event.rule.DefaultAgendaEventListener used on opensource projects

Example 1 with DefaultAgendaEventListener

use of org.kie.api.event.rule.DefaultAgendaEventListener in project drools by kiegroup.

the class WorkingMemoryActionsSerializationTest method before.

@Before
public void before() {
    ruleCalls.clear();
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(drl.getBytes()), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    ksession = kbase.newKieSession();
    ksession.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterMatchFired(final AfterMatchFiredEvent event) {
            final String name = event.getMatch().getRule().getName();
            System.out.println(name + " fired!");
            synchronized (ruleCalls) {
                Integer calls = ruleCalls.get(name);
                if (calls == null) {
                    calls = 1;
                } else {
                    calls++;
                }
                ruleCalls.put(name, calls);
            }
        }
    });
    // Using fire until halt. If firaAllRules is called it works. But for other reasons, I need to run fireUntilHalt
    new Thread(new Runnable() {

        @Override
        public void run() {
            ksession.fireUntilHalt();
        }
    }).start();
}

Example 2 with DefaultAgendaEventListener

use of org.kie.api.event.rule.DefaultAgendaEventListener in project drools by kiegroup.

the class TimerAndCalendarTest method testRaceConditionWithTimedRuleExectionOption.

@Test(timeout = 10000)
@Ignore("the listener callback holds some locks so blocking in it is not safe")
public void testRaceConditionWithTimedRuleExectionOption() throws Exception {
    // BZ-1073880
    String str = "package org.simple \n" + "global java.util.List list \n" + "rule xxx @Propagation(EAGER)\n" + "  timer (int:30s 10s) " + "when \n" + "  $s: String()\n" + "then \n" + "  list.add($s); \n" + "end  \n";
    KieSessionConfiguration conf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    conf.setOption(ClockTypeOption.get("pseudo"));
    conf.setOption(TimedRuleExecutionOption.YES);
    KieBase kbase = loadKnowledgeBaseFromString(str);
    KieSession ksession = createKnowledgeSession(kbase, conf);
    final CyclicBarrier barrier = new CyclicBarrier(2);
    final AtomicBoolean aBool = new AtomicBoolean(true);
    AgendaEventListener agendaEventListener = new DefaultAgendaEventListener() {

        public void afterMatchFired(org.kie.api.event.rule.AfterMatchFiredEvent event) {
            try {
                if (aBool.get()) {
                    barrier.await();
                    aBool.set(false);
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    };
    ksession.addEventListener(agendaEventListener);
    List list = new ArrayList();
    ksession.setGlobal("list", list);
    // Using the Pseudo Clock.
    SessionClock clock = ksession.getSessionClock();
    SessionPseudoClock pseudoClock = (SessionPseudoClock) clock;
    // Insert the event.
    String eventOne = "one";
    ksession.insert(eventOne);
    // Advance the time .... so the timer will fire.
    pseudoClock.advanceTime(10000, TimeUnit.MILLISECONDS);
    // Rule doesn't fire in PHREAK. This is because you need to call 'fireAllRules' after you've inserted the fact, otherwise the timer
    // job is not created.
    ksession.fireAllRules();
    // Rule still doesn't fire, because the DefaultTimerJob is created now, and now we need to advance the timer again.
    pseudoClock.advanceTime(30000, TimeUnit.MILLISECONDS);
    barrier.await();
    barrier.reset();
    aBool.set(true);
    pseudoClock.advanceTime(10000, TimeUnit.MILLISECONDS);
    barrier.await();
    barrier.reset();
    aBool.set(true);
    String eventTwo = "two";
    ksession.insert(eventTwo);
    ksession.fireAllRules();
    // 60
    pseudoClock.advanceTime(10000, TimeUnit.MILLISECONDS);
    barrier.await();
    barrier.reset();
    aBool.set(true);
    // 70
    pseudoClock.advanceTime(10000, TimeUnit.MILLISECONDS);
    barrier.await();
    barrier.reset();
    aBool.set(true);
    // From here, the second rule should fire.
    // phaser.register();
    pseudoClock.advanceTime(10000, TimeUnit.MILLISECONDS);
    barrier.await();
    barrier.reset();
    aBool.set(true);
    // Now 2 rules have fired, and those will now fire every 10 seconds.
    pseudoClock.advanceTime(20000, TimeUnit.MILLISECONDS);
    barrier.await();
    barrier.reset();
    pseudoClock.advanceTime(20000, TimeUnit.MILLISECONDS);
    aBool.set(true);
    barrier.await();
    barrier.reset();
    pseudoClock.advanceTime(20000, TimeUnit.MILLISECONDS);
    aBool.set(true);
    barrier.await();
    barrier.reset();
    ksession.destroy();
}

Example 3 with DefaultAgendaEventListener

use of org.kie.api.event.rule.DefaultAgendaEventListener in project drools by kiegroup.

the class Misc2Test method testLockOnActive1.

@Test
public void testLockOnActive1() {
    // the modify changes the hashcode of TradeHeader
    // this forces the 'from' to think it's new. This results in an insert and a delete propagation from the 'from'
    // With Property Reactivity enabled by default this also required adding a @watch(*) annotation
    String drl = "" + "package org.drools.test; \n" + "import org.drools.compiler.integrationtests.Misc2Test.TradeBooking;\n" + "import org.drools.compiler.integrationtests.Misc2Test.TradeHeader;\n" + "rule \"Rule1\" \n" + "salience 1 \n" + "when\n" + "  $booking: TradeBooking() @watch(*) \n" + "  $trade: TradeHeader() from $booking.getTrade()\n" + "  not String()\n" + "then\n" + "  $trade.setAction(\"New\");\n" + "  modify($booking) {}\n" + "  insert (\"run\");\n" + "end;\n" + "\n" + "rule \"Rule2\"\n" + "lock-on-active true\n" + "when\n" + "  $booking: TradeBooking( ) @watch(*) \n" + "  $trade: Object( ) from $booking.getTrade()\n" + "then\n" + "end";
    KieBase kb = loadKnowledgeBaseFromString(drl);
    KieSession ks = kb.newKieSession();
    ReteDumper.dumpRete(kb);
    final List created = new ArrayList();
    final List cancelled = new ArrayList();
    final List fired = new ArrayList();
    ks.addEventListener(new DefaultAgendaEventListener() {

        public void matchCreated(MatchCreatedEvent event) {
            created.add(event.getMatch().getRule().getName());
        }

        public void matchCancelled(MatchCancelledEvent event) {
            cancelled.add(event.getMatch().getRule().getName());
        }

        public void afterMatchFired(AfterMatchFiredEvent event) {
            fired.add(event.getMatch().getRule().getName());
        }
    });
    ks.fireAllRules();
    TradeBooking tb = new TradeBookingImpl(new TradeHeaderImpl());
    ks.insert(tb);
    assertEquals(1, ks.fireAllRules());
    assertEquals(3, created.size());
    assertEquals(2, cancelled.size());
    assertEquals(1, fired.size());
    assertEquals("Rule2", created.get(0));
    assertEquals("Rule1", created.get(1));
    assertEquals("Rule2", created.get(2));
    assertEquals("Rule2", cancelled.get(0));
    assertEquals("Rule2", cancelled.get(1));
    assertEquals("Rule1", fired.get(0));
}

Example 4 with DefaultAgendaEventListener

use of org.kie.api.event.rule.DefaultAgendaEventListener in project drools by kiegroup.

the class ActivationIteratorTest method testFilteredEagerEvaluation.

@Test(timeout = 10000)
public void testFilteredEagerEvaluation() throws Exception {
    String str = "package org.simple \n" + "rule xxx @Propagation(EAGER) \n" + "when \n" + "  $s : String()\n" + "then \n" + "end  \n" + "rule yyy @Propagation(EAGER) \n" + "when \n" + "  $s : String()\n" + "then \n" + "end  \n";
    KieSessionConfiguration conf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    conf.setOption(new ForceEagerActivationOption.FILTERED(new ForceEagerActivationFilter() {

        @Override
        public boolean accept(Rule rule) {
            return rule.getName().equals("xxx");
        }
    }));
    KieBase kbase = loadKnowledgeBaseFromString(str);
    KieSession ksession = createKnowledgeSession(kbase, conf);
    final List list = new ArrayList();
    AgendaEventListener agendaEventListener = new DefaultAgendaEventListener() {

        public void matchCreated(org.kie.api.event.rule.MatchCreatedEvent event) {
            list.add("activated");
        }
    };
    ksession.addEventListener(agendaEventListener);
    ksession.insert("test");
    ((InternalWorkingMemory) ksession).flushPropagations();
    assertEquals(1, list.size());
}

Example 5 with DefaultAgendaEventListener

use of org.kie.api.event.rule.DefaultAgendaEventListener in project drools by kiegroup.

the class ReloadSessionTest method testListenersAfterSessionReload.

@Test
@Ignore
public void testListenersAfterSessionReload() {
    // https://bugzilla.redhat.com/show_bug.cgi?id=826952
    Environment env = createEnvironment();
    KieBase kbase = initializeKnowledgeBase(simpleRule);
    StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    ksession.addEventListener(new DefaultAgendaEventListener());
    ksession.addEventListener(new DefaultRuleRuntimeEventListener());
    assertEquals(1, ksession.getRuleRuntimeEventListeners().size());
    assertEquals(1, ksession.getAgendaEventListeners().size());
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(ksession.getIdentifier(), kbase, null, env);
    assertEquals(1, ksession.getRuleRuntimeEventListeners().size());
    assertEquals(1, ksession.getAgendaEventListeners().size());
}