Ejemplo n.º 1
0
  @Test
  public void testEventTimestamp() {
    // DROOLS-268
    String drl =
        "\n"
            + "import org.drools.reteoo.integrationtests.CepEspTest.Event; \n"
            + "global java.util.List list; \n"
            + "global org.drools.core.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);
    baseConfig.setOption(RuleEngineOption.RETEOO);
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(baseConfig);
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());

    KieSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    sessionConfig.setOption(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));

    // init stateful knowledge session
    StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(sessionConfig, null);
    ArrayList list = new ArrayList();
    ksession.setGlobal("list", list);

    SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
    ksession.setGlobal("clock", clock);

    ksession.insert(new Event(1, -1, clock.getCurrentTime())); // 0
    clock.advanceTime(600, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 600
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 700
    clock.advanceTime(300, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 1000
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    ksession.insert(new Event(2, 1, clock.getCurrentTime())); // 1100
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    clock.advanceTime(100, TimeUnit.MILLISECONDS);
    ksession.fireAllRules();
    ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 1300

    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();
  }
Ejemplo n.º 2
0
  @Test
  @Ignore("This test requires us to fix the propagation order")
  public void testForallWithSlidingWindow() throws Exception {
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(
        ResourceFactory.newInputStreamResource(
            getClass().getResourceAsStream("test_ForallSlidingWindow.drl")),
        ResourceType.DRL);
    assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());

    final KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());

    final KieSessionConfiguration conf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    conf.setOption(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));
    final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(conf, null);
    final SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
    List<String> results = new ArrayList<String>();
    ksession.setGlobal("results", results);

    // advance time... no events, so forall should fire
    clock.advanceTime(60, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(1, results.size());

    int seq = 1;
    // advance time... there are matching events now, but forall still not fire
    ksession.insert(new StockTick(seq++, "RHT", 10, clock.getCurrentTime())); // 60
    clock.advanceTime(5, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(1, results.size());
    ksession.insert(new StockTick(seq++, "RHT", 10, clock.getCurrentTime())); // 65
    clock.advanceTime(5, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(1, results.size());

    // advance time... there are non-matching events now, so forall de-activates
    ksession.insert(new StockTick(seq++, "IBM", 10, clock.getCurrentTime())); // 70
    clock.advanceTime(10, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(1, results.size());

    // advance time... there are non-matching events now, so forall is still deactivated
    ksession.insert(new StockTick(seq++, "RHT", 10, clock.getCurrentTime())); // 80
    clock.advanceTime(10, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(1, results.size());

    // advance time... non-matching event expires now, so forall should fire
    ksession.insert(new StockTick(seq++, "RHT", 10, clock.getCurrentTime())); // 90
    clock.advanceTime(10, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(2, results.size());

    // advance time... forall still matches and should not fire
    ksession.insert(new StockTick(seq++, "RHT", 10, clock.getCurrentTime())); // 100
    clock.advanceTime(10, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(2, results.size());

    // advance time... forall still matches and should not fire
    clock.advanceTime(60, TimeUnit.SECONDS);
    ksession.fireAllRules();
    assertEquals(2, results.size());
  }