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

Example 11 with MatchCancelledEvent

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

the class AgendaEventSupportTest method testAgendaEventListener.

// public void testIsSerializable() {
// assertTrue( Serializable.class.isAssignableFrom( AgendaEventSupport.class ) );
// }
@Test
@Ignore
public void testAgendaEventListener() throws Exception {
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    // create a simple package with one rule to test the events
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.drools.test");
    final RuleImpl rule = new RuleImpl("test1");
    rule.setEager(true);
    rule.setAgendaGroup("test group");
    final ClassObjectType cheeseObjectType = new ClassObjectType(Cheese.class);
    final Pattern pattern = new Pattern(0, cheeseObjectType);
    pkg.setClassFieldAccessorCache(new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
    pkg.getClassFieldAccessorStore().setEagerWire(true);
    final ClassFieldReader extractor = pkg.getClassFieldAccessorStore().getReader(Cheese.class, "type");
    final FieldValue field = FieldFactory.getInstance().getFieldValue("cheddar");
    final MvelConstraint constraint = new MvelConstraintTestUtil("type == \"cheddar\"", field, extractor);
    pattern.addConstraint(constraint);
    rule.addPattern(pattern);
    rule.setConsequence(new Consequence() {

        public void evaluate(final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory) throws Exception {
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            // TODO Auto-generated method stub
            return null;
        }
    });
    pkg.addRule(rule);
    kbase.addPackages(Collections.singleton(pkg));
    // create a new working memory and add an AgendaEventListener
    KieSession ksession = kbase.newKieSession();
    final List agendaList = new ArrayList();
    final AgendaEventListener agendaEventListener = new AgendaEventListener() {

        public void matchCancelled(MatchCancelledEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void matchCreated(MatchCreatedEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void afterMatchFired(AfterMatchFiredEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void agendaGroupPopped(AgendaGroupPoppedEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void agendaGroupPushed(AgendaGroupPushedEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void beforeMatchFired(BeforeMatchFiredEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void beforeRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void beforeRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }

        public void afterRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            agendaList.add(event);
        }
    };
    ksession.addEventListener(agendaEventListener);
    assertEquals(1, ksession.getAgendaEventListeners().size());
    // assert the cheese fact
    final Cheese cheddar = new Cheese("cheddar", 15);
    FactHandle cheddarHandle = ksession.insert(cheddar);
    InternalAgenda agenda = (InternalAgenda) ksession.getAgenda();
    agenda.evaluateEagerList();
    // should be one MatchCreatedEvent
    assertEquals(1, agendaList.size());
    MatchCreatedEvent createdEvent = (MatchCreatedEvent) agendaList.get(0);
    assertSame(cheddarHandle, createdEvent.getMatch().getFactHandles().toArray()[0]);
    // clear the agenda to check CLEAR events occur
    ksession.getAgenda().clear();
    MatchCancelledEvent cancelledEvent = (MatchCancelledEvent) agendaList.get(1);
    assertEquals(MatchCancelledCause.CLEAR, cancelledEvent.getCause());
    agendaList.clear();
    // update results in an MatchCreatedEvent
    cheddar.setPrice(14);
    ksession.update(cheddarHandle, cheddar);
    agenda.evaluateEagerList();
    assertEquals(1, agendaList.size());
    createdEvent = (MatchCreatedEvent) agendaList.get(0);
    assertSame(cheddarHandle, createdEvent.getMatch().getFactHandles().toArray()[0]);
    agendaList.clear();
    // update should not result in cancelation+activation events
    cheddar.setPrice(14);
    ksession.update(cheddarHandle, cheddar);
    assertEquals(0, agendaList.size());
    // cancelledEvent = (ActivationCancelledEvent) agendaList.get( 0 );
    // assertEquals( ActivationCancelledCause.WME_MODIFY, cancelledEvent.getCause() );
    // assertSame( cheddarHandle,
    // cancelledEvent.getActivation().toFactHandles().toArray()[0] );
    // createdEvent = (ActivationCreatedEvent) agendaList.get( 1 );
    // assertSame( cheddarHandle,
    // createdEvent.getActivation().toFactHandles().toArray()[0] );
    // agendaList.clear();
    // retract results in a ActivationCancelledEvent, note the object is not resolveable now as it no longer exists
    ksession.retract(cheddarHandle);
    assertEquals(1, agendaList.size());
    cancelledEvent = (MatchCancelledEvent) agendaList.get(0);
    // invalidated handles no longer set the object to null
    assertNotNull(((InternalFactHandle) cancelledEvent.getMatch().getFactHandles().toArray()[0]).getObject());
    // re-assert the fact so we can test the agenda group events
    cheddarHandle = ksession.insert(cheddar);
    agendaList.clear();
    // setFocus results in an AgendaGroupPushedEvent
    ksession.getAgenda().getAgendaGroup("test group").setFocus();
    assertEquals(1, agendaList.size());
    final AgendaGroupPushedEvent pushedEvent = (AgendaGroupPushedEvent) agendaList.get(0);
    assertEquals("test group", pushedEvent.getAgendaGroup().getName());
    agendaList.clear();
    // fireAllRules results in a BeforeActivationFiredEvent and an AfterActivationFiredEvent
    // the AgendaGroup becomes empty, which results in a popped event.
    ksession.fireAllRules();
    assertEquals(3, agendaList.size());
    final BeforeMatchFiredEvent beforeEvent = (BeforeMatchFiredEvent) agendaList.get(0);
    assertSame(cheddarHandle, beforeEvent.getMatch().getFactHandles().toArray()[0]);
    final AfterMatchFiredEvent afterEvent = (AfterMatchFiredEvent) agendaList.get(1);
    assertSame(cheddarHandle, afterEvent.getMatch().getFactHandles().toArray()[0]);
    final AgendaGroupPoppedEvent poppedEvent = (AgendaGroupPoppedEvent) agendaList.get(2);
    assertEquals("test group", poppedEvent.getAgendaGroup().getName());
}

Example 12 with MatchCancelledEvent

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

the class SequentialTest method testEvents.

@Test
public void testEvents() throws Exception {
    String str = "";
    str += "package org.drools.compiler.test\n";
    str += "import org.drools.compiler.Message\n";
    str += "rule \"Hello World\"\n";
    str += "when\n";
    str += "    Message( )\n";
    str += "then\n";
    str += "    System.out.println( drools.getKieRuntime() );\n";
    str += "end\n";
    KieBase kbase = loadKnowledgeBaseFromString(kconf, str);
    StatelessKieSession ksession = createStatelessKnowledgeSession(kbase);
    final List list = new ArrayList();
    ksession.addEventListener(new AgendaEventListener() {

        public void matchCancelled(MatchCancelledEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void matchCreated(MatchCreatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void afterMatchFired(AfterMatchFiredEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void agendaGroupPopped(AgendaGroupPoppedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void agendaGroupPushed(AgendaGroupPushedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void beforeMatchFired(BeforeMatchFiredEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void beforeRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void beforeRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void afterRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }
    });
    ksession.addEventListener(new RuleRuntimeEventListener() {

        public void objectInserted(ObjectInsertedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void objectDeleted(ObjectDeletedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void objectUpdated(ObjectUpdatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }
    });
    ksession.execute(new Message("help"));
    assertEquals(4, list.size());
}

Example 13 with MatchCancelledEvent

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

the class Misc2Test method testMatchingEventsInStreamMode.

@Test
public void testMatchingEventsInStreamMode() {
    // DROOLS-338
    String drl = "import org.drools.mvel.integrationtests.Misc2Test.SimpleEvent\n" + "declare SimpleEvent\n" + "    @role(event)\n" + "end\n" + "\n" + "rule \"RuleA\"\n" + "salience 5\n" + "when\n" + "    $f : SimpleEvent( )\n" + "then\n" + "    delete ($f);\n" + "end\n" + "\n" + "rule \"RuleB\"\n" + "when\n" + "    $f : SimpleEvent( )\n" + "then\n" + "end\n";
    KieBaseTestConfiguration streamConfig = TestParametersUtil.getStreamInstanceOf(kieBaseTestConfiguration);
    KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("test", streamConfig, drl);
    KieSession ksession = kbase.newKieSession();
    final AtomicInteger i = new AtomicInteger(0);
    ksession.addEventListener(new DefaultAgendaEventListener() {

        public void matchCreated(MatchCreatedEvent event) {
            i.incrementAndGet();
        }

        public void matchCancelled(MatchCancelledEvent event) {
            i.decrementAndGet();
        }
    });
    ksession.insert(new SimpleEvent());
    ksession.fireAllRules();
    assertEquals(1, i.get());
}

Example 14 with MatchCancelledEvent

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

the class SequentialTest method testEvents.

@Test
public void testEvents() throws Exception {
    String str = "";
    str += "package org.drools.mvel.compiler.test\n";
    str += "import org.drools.mvel.compiler.Message\n";
    str += "rule \"Hello World\"\n";
    str += "when\n";
    str += "    Message( )\n";
    str += "then\n";
    str += "    System.out.println( drools.getKieRuntime() );\n";
    str += "end\n";
    final KieModule kieModule = KieUtil.getKieModuleFromDrls("test", kieBaseTestConfiguration, str);
    final KieBase kbase = KieBaseUtil.newKieBaseFromKieModuleWithAdditionalOptions(kieModule, kieBaseTestConfiguration, SequentialOption.YES);
    StatelessKieSession ksession = kbase.newStatelessKieSession();
    final List list = new ArrayList();
    ksession.addEventListener(new AgendaEventListener() {

        public void matchCancelled(MatchCancelledEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void matchCreated(MatchCreatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void afterMatchFired(AfterMatchFiredEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void agendaGroupPopped(AgendaGroupPoppedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void agendaGroupPushed(AgendaGroupPushedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void beforeMatchFired(BeforeMatchFiredEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void beforeRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void beforeRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void afterRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }
    });
    ksession.addEventListener(new RuleRuntimeEventListener() {

        public void objectInserted(ObjectInsertedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void objectDeleted(ObjectDeletedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }

        public void objectUpdated(ObjectUpdatedEvent event) {
            assertNotNull(event.getKieRuntime());
            list.add(event);
        }
    });
    ksession.execute(new Message("help"));
    assertEquals(4, list.size());
}

Example 15 with MatchCancelledEvent

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

the class ExecutionFlowControlTest method testUpdateActivationCreationNoLoop.

@Test
public void testUpdateActivationCreationNoLoop() throws Exception {
    // JBRULES-787, no-loop blocks all dependant tuples for update
    KieBase kbase = KieBaseUtil.getKieBaseFromClasspathResources(this.getClass(), kieBaseTestConfiguration, "test_UpdateActivationCreationNoLoop.drl");
    KieSession ksession = kbase.newKieSession();
    final List created = new ArrayList();
    final List cancelled = new ArrayList();
    final AgendaEventListener l = new DefaultAgendaEventListener() {

        @Override
        public void matchCreated(MatchCreatedEvent event) {
            created.add(event);
        }

        @Override
        public void matchCancelled(MatchCancelledEvent event) {
            cancelled.add(event);
        }
    };
    ksession.addEventListener(l);
    final Cheese stilton = new Cheese("stilton", 15);
    final FactHandle stiltonHandle = ksession.insert(stilton);
    final Person p1 = new Person("p1");
    p1.setCheese(stilton);
    ksession.insert(p1);
    final Person p2 = new Person("p2");
    p2.setCheese(stilton);
    ksession.insert(p2);
    final Person p3 = new Person("p3");
    p3.setCheese(stilton);
    ksession.insert(p3);
    ksession.fireAllRules();
    assertEquals(3, created.size());
    assertEquals(0, cancelled.size());
    // simulate a modify inside a consequence
    ksession.update(stiltonHandle, stilton);
    // with true modify, no reactivations should be triggered
    assertEquals(3, created.size());
    assertEquals(0, cancelled.size());
}