Examples with KnowledgeBuilder org.drools.builder.KnowledgeBuilder used on opensource projects

Example 16 with KnowledgeBuilder

use of org.drools.builder.KnowledgeBuilder in project jBPM5-Developer-Guide by Salaboy.

the class MyFirstDrools5FusionRulesTest method createKnowledgeSession.

private StatefulKnowledgeSession createKnowledgeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("simpleEventAnalysis.drl"), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        for (KnowledgeBuilderError error : kbuilder.getErrors()) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        fail(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    config.setOption(EventProcessingOption.STREAM);
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(config);
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    KnowledgeSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    sessionConfig.setOption(ClockTypeOption.get("pseudo"));
    return kbase.newStatefulKnowledgeSession(sessionConfig, null);
}

Example 17 with KnowledgeBuilder

use of org.drools.builder.KnowledgeBuilder in project jBPM5-Developer-Guide by Salaboy.

the class ProcessAndEventMultiThreadIntegrationTest method createEventsSession.

private StatefulKnowledgeSession createEventsSession() {
    KnowledgeBuilder eventsKbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    eventsKbuilder.add(new ClassPathResource("analyze-process-events.drl"), ResourceType.DRL);
    if (eventsKbuilder.hasErrors()) {
        for (KnowledgeBuilderError error : eventsKbuilder.getErrors()) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        fail(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    config.setOption(EventProcessingOption.STREAM);
    KnowledgeBase eventsKbase = KnowledgeBaseFactory.newKnowledgeBase(config);
    eventsKbase.addKnowledgePackages(eventsKbuilder.getKnowledgePackages());
    StatefulKnowledgeSession eventsKsession = eventsKbase.newStatefulKnowledgeSession();
    ((StatefulKnowledgeSessionImpl) eventsKsession).getInternalWorkingMemory().addEventListener(new DefaultWorkingMemoryEventListener() {

        @Override
        public void objectInserted(ObjectInsertedEvent event) {
            event.getWorkingMemory().fireAllRules();
        }

        @Override
        public void objectUpdated(ObjectUpdatedEvent event) {
            event.getWorkingMemory().fireAllRules();
        }

        @Override
        public void objectRetracted(ObjectRetractedEvent event) {
            event.getWorkingMemory().fireAllRules();
        }
    });
    ((StatefulKnowledgeSessionImpl) eventsKsession).getInternalWorkingMemory().addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void activationCreated(ActivationCreatedEvent event, WorkingMemory workingMemory) {
            workingMemory.fireAllRules();
        }
    });
    return eventsKsession;
}

Example 18 with KnowledgeBuilder

use of org.drools.builder.KnowledgeBuilder in project jBPM5-Developer-Guide by Salaboy.

the class ProcessAndEventMultiThreadIntegrationTest method createProcessSession.

private StatefulKnowledgeSession createProcessSession() {
    KnowledgeBuilder processKbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    processKbuilder.add(new ClassPathResource("process-events-simple.bpmn"), ResourceType.BPMN2);
    if (processKbuilder.hasErrors()) {
        for (KnowledgeBuilderError error : processKbuilder.getErrors()) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        fail(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase processKbase = KnowledgeBaseFactory.newKnowledgeBase();
    processKbase.addKnowledgePackages(processKbuilder.getKnowledgePackages());
    return processKbase.newStatefulKnowledgeSession();
}

Example 19 with KnowledgeBuilder

use of org.drools.builder.KnowledgeBuilder in project jBPM5-Developer-Guide by Salaboy.

the class MyFirstDrools5RulesTest method testSimpleRules.

@Test
public void testSimpleRules() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("simpleRules.drl"), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        for (KnowledgeBuilderError error : kbuilder.getErrors()) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        fail(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
    // Uncomment to see all the logs
    // KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    // We have our Session, now let's play with our Simple Rules
    Person person = new Person("Salaboy", 28);
    ksession.insert(person);
    int fired = ksession.fireAllRules();
    assertEquals(4, fired);
    assertEquals(true, person.isEnabledToDrive());
    assertEquals(true, person.isEnabledToVote());
    assertEquals(true, person.isHappy());
    Person person2 = new Person("John", 19);
    ksession.insert(person2);
    fired = ksession.fireAllRules();
    assertEquals(3, fired);
    assertEquals(true, person2.isEnabledToDrive());
    assertEquals(false, person2.isEnabledToVote());
    assertEquals(true, person2.isHappy());
    Person person3 = new Person("Marie", 17);
    ksession.insert(person3);
    fired = ksession.fireAllRules();
    assertEquals(0, fired);
    assertEquals(false, person3.isEnabledToDrive());
    assertEquals(false, person3.isEnabledToVote());
    assertEquals(false, person3.isHappy());
    ksession.dispose();
}

Example 20 with KnowledgeBuilder

use of org.drools.builder.KnowledgeBuilder in project jBPM5-Developer-Guide by Salaboy.

the class TaskListJFrame method createSession.

// End of variables declaration//GEN-END:variables
private StatefulKnowledgeSession createSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    // Adds resources to the builder
    kbuilder.add(new ClassPathResource("rules/SimpleRulesAndTask.drl"), ResourceType.DRL);
    KnowledgeBuilderErrors errors = kbuilder.getErrors();
    // Checks for errors
    if (errors.size() > 0) {
        for (KnowledgeBuilderError error : errors) {
            System.out.println(error.getMessage());
        }
        throw new IllegalStateException("Error building kbase!");
    }
    // Creates a new kbase and add all the packages from the builder
    KnowledgeBaseConfiguration kbaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    kbaseConf.setOption(EventProcessingOption.STREAM);
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConf);
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSession myksession = kbase.newStatefulKnowledgeSession();
    HornetQHTWorkItemHandler hornetQHTWorkItemHandler = new HornetQHTWorkItemHandler(myksession);
    myksession.getWorkItemManager().registerWorkItemHandler("Human Task", hornetQHTWorkItemHandler);
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(myksession);
    myksession.addEventListener(new DebugAgendaEventListener());
    return myksession;
}