Examples with SessionPseudoClock org.kie.api.time.SessionPseudoClock used on opensource projects

Example 6 with SessionPseudoClock

use of org.kie.api.time.SessionPseudoClock 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 7 with SessionPseudoClock

use of org.kie.api.time.SessionPseudoClock in project drools by kiegroup.

the class AdvanceSessionTimeCommand method execute.

@Override
public Long execute(Context context) {
    KieSession ksession = ((RegistryContext) context).lookup(KieSession.class);
    SessionPseudoClock sessionClock = ksession.<SessionPseudoClock>getSessionClock();
    sessionClock.advanceTime(amount, unit);
    long result = sessionClock.getCurrentTime();
    ExecutionResultImpl results = ((RegistryContext) context).lookup(ExecutionResultImpl.class);
    if (results != null) {
        results.getResults().put(this.outIdentifier, result);
    }
    return result;
}

Example 8 with SessionPseudoClock

use of org.kie.api.time.SessionPseudoClock in project drools by kiegroup.

the class CepEspTest method testEventTimestamp.

@Test
public void testEventTimestamp() {
    // DROOLS-268
    String drl = "\n" + "import org.drools.compiler.integrationtests.CepEspTest.Event; \n" + "global java.util.List list; \n" + "global org.kie.api.time.SessionPseudoClock clock; \n" + "" + "declare Event \n" + " @role( event )\n" + " @timestamp( time ) \n" + " @expires( 10000000 ) \n" + "end \n" + "" + "" + "rule \"inform about E1\"\n" + "when\n" + " $event1 : Event( type == 1 )\n" + " //there is an event (T2) with value 0 between 0,2m after doorClosed\n" + " $event2: Event( type == 2, value == 1, this after [0, 1200ms] $event1, $timestamp : time )\n" + " //there is no newer event (T2) within the timeframe\n" + " not Event( type == 2, this after [0, 1200ms] $event1, time > $timestamp ) \n" + "then\n" + " list.add( clock.getCurrentTime() ); \n " + "end\n" + "\n";
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(drl.getBytes()), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    KieBaseConfiguration baseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    baseConfig.setOption(EventProcessingOption.STREAM);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(baseConfig);
    kbase.addPackages(kbuilder.getKnowledgePackages());
    KieSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    sessionConfig.setOption(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));
    // init stateful knowledge session
    KieSession ksession = kbase.newKieSession(sessionConfig, null);
    ArrayList list = new ArrayList();
    ksession.setGlobal("list", list);
    SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
    ksession.setGlobal("clock", clock);
    // 0
    ksession.insert(new Event(1, -1, clock.getCurrentTime()));
    clock.advanceTime(600, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    // 600
    ksession.insert(new Event(2, 0, clock.getCurrentTime()));
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    // 700
    ksession.insert(new Event(2, 0, clock.getCurrentTime()));
    clock.advanceTime(300, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    // 1000
    ksession.insert(new Event(2, 0, clock.getCurrentTime()));
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    // 1100
    ksession.insert(new Event(2, 1, clock.getCurrentTime()));
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    // 1300
    ksession.insert(new Event(2, 0, clock.getCurrentTime()));
    clock.advanceTime(1000, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    assertFalse(list.isEmpty());
    assertEquals(1, list.size());
    Long time = (Long) list.get(0);
    assertTrue(time > 1000 && time < 1500);
    ksession.dispose();
}

Example 9 with SessionPseudoClock

use of org.kie.api.time.SessionPseudoClock in project drools by kiegroup.

the class CepEspTest method testTemporalOperatorsInfinity.

@Test(timeout = 10000)
public void testTemporalOperatorsInfinity() throws Exception {
    // read in the source
    final RuleBaseConfiguration kbconf = new RuleBaseConfiguration();
    kbconf.setEventProcessingMode(EventProcessingOption.STREAM);
    KieBase kbase = loadKnowledgeBase(kbconf, "test_CEP_TemporalOperators3.drl");
    KieSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    sconf.setOption(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));
    KieSession ksession = kbase.newKieSession(sconf, null);
    List list = new ArrayList();
    ksession.setGlobal("list", list);
    SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
    EntryPoint ep = ksession.getEntryPoint("X");
    clock.advanceTime(1000, TimeUnit.SECONDS);
    int rules = 0;
    ep.insert(new StockTick(1, "A", 10, clock.getCurrentTime()));
    clock.advanceTime(8, TimeUnit.SECONDS);
    // int rules = ksession.fireAllRules();
    System.out.println(list);
    ep.insert(new StockTick(2, "B", 10, clock.getCurrentTime()));
    clock.advanceTime(8, TimeUnit.SECONDS);
    // rules = ksession.fireAllRules();
    System.out.println(list);
    ep.insert(new StockTick(3, "B", 10, clock.getCurrentTime()));
    clock.advanceTime(8, TimeUnit.SECONDS);
    rules = ksession.fireAllRules();
    System.out.println(list);
    assertEquals(3, rules);
}

Example 10 with SessionPseudoClock

use of org.kie.api.time.SessionPseudoClock in project drools by kiegroup.

the class CepEspTest method testSalienceWithEventsPseudoClock.

@Test(timeout = 10000)
public void testSalienceWithEventsPseudoClock() throws IOException, ClassNotFoundException {
    String str = "package org.drools.compiler\n" + "import " + StockTick.class.getName() + "\n" + "declare StockTick\n" + "        @role ( event )\n" + "end\n" + "rule R1 salience 1000\n" + "    when\n" + "        $s1 : StockTick( company == 'RHT' )\n" + "        $s2 : StockTick( company == 'ACME', this after[0s,1m] $s1 )\n" + "    then\n" + "end\n" + "rule R2 salience 1000\n" + "    when\n" + "        $s1 : StockTick( company == 'RHT' )\n" + "        not StockTick( company == 'ACME', this after[0s,1m] $s1 )\n" + "    then\n" + "end\n" + "rule R3 salience 100\n" + "    when\n" + "        $s2 : StockTick( company == 'ACME' )\n" + "    then\n" + "end\n";
    KieBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    config.setOption(EventProcessingOption.STREAM);
    KieBase kbase = loadKnowledgeBaseFromString(config, str);
    KieSessionConfiguration ksconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    ksconf.setOption(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));
    KieSession ksession = kbase.newKieSession(ksconf, null);
    AgendaEventListener ael = mock(AgendaEventListener.class);
    ksession.addEventListener(ael);
    SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
    clock.advanceTime(1000000, TimeUnit.MILLISECONDS);
    ksession.insert(new StockTick(1, "RHT", 10, 1000));
    clock.advanceTime(5, TimeUnit.SECONDS);
    ksession.insert(new StockTick(2, "RHT", 10, 1000));
    clock.advanceTime(5, TimeUnit.SECONDS);
    ksession.insert(new StockTick(3, "RHT", 10, 1000));
    clock.advanceTime(5, TimeUnit.SECONDS);
    ksession.insert(new StockTick(4, "ACME", 10, 1000));
    clock.advanceTime(5, TimeUnit.SECONDS);
    int rulesFired = ksession.fireAllRules();
    assertEquals(4, rulesFired);
    ArgumentCaptor<AfterMatchFiredEvent> captor = ArgumentCaptor.forClass(AfterMatchFiredEvent.class);
    verify(ael, times(4)).afterMatchFired(captor.capture());
    List<AfterMatchFiredEvent> aafe = captor.getAllValues();
    assertThat(aafe.get(0).getMatch().getRule().getName(), is("R1"));
    assertThat(aafe.get(1).getMatch().getRule().getName(), is("R1"));
    assertThat(aafe.get(2).getMatch().getRule().getName(), is("R1"));
    assertThat(aafe.get(3).getMatch().getRule().getName(), is("R3"));
}