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

Example 1 with KnowledgeBuilder

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

the class ServiceTaskTest method initializeSession.

private void initializeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("HospitalInvokeInsuranceScenarioV1-data.bpmn"), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    session = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
    session.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
            session.fireAllRules();
        }
    });
}

Example 2 with KnowledgeBuilder

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

the class AsyncWorkItemDontWaitForCompletionTest method initializeSession.

private void initializeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    // We are using a proces containing a single Task. The task is configured
    // to avoid waiting until the completion of the external system.
    kbuilder.add(new ClassPathResource("async-work-item-nowait.bpmn"), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    session = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
    session.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
            session.fireAllRules();
        }
    });
}

Example 3 with KnowledgeBuilder

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

the class ProcessAndHumanTasksTest method initializeSession.

// init the Knowledge Session
private StatefulKnowledgeSession initializeSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("com/salaboy/jbpm5/dev/guide/controller/simple-review-process.bpmn"), ResourceType.BPMN2);
    if (kbuilder.hasErrors()) {
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        for (KnowledgeBuilderError error : errors) {
            System.out.println(">>> Error:" + error.getMessage());
        }
        throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
    }
    return kbuilder.newKnowledgeBase().newStatefulKnowledgeSession();
}

Example 4 with KnowledgeBuilder

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

the class MyFirstjBPM5ProcessTest method test.

@Test
public void test() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("firstDummyProcess.bpmn"), ResourceType.BPMN2);
    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 Dummy Process
    ProcessInstance processInstance = ksession.createProcessInstance("DummyProcess", null);
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    ksession.startProcessInstance(processInstance.getId());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}

Example 5 with KnowledgeBuilder

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

the class AdvancedProcessAndRulesIntegrationTest method processVariablesAutoMappingPlusCastNoSafeCheckTest.

@Test
public void processVariablesAutoMappingPlusCastNoSafeCheckTest() throws InterruptedException {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("evolution/mapping.drl"), ResourceType.DRL);
    kbuilder.add(new ClassPathResource("evolution/scoring_processVariables_wider.drl"), ResourceType.DRL);
    kbuilder.add(new ClassPathResource("evolution/process-variables-decision.bpmn"), ResourceType.BPMN2);
    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());
    final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    Person person = new Person("Salaboy", 28);
    RatesToday ratesToday = new RatesToday(1, 100);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("person", person);
    params.put("ratesToday", ratesToday);
    ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
    System.out.println("Variables: " + ((WorkflowProcessInstanceImpl) processInstance).getVariables());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    final FactHandle processHandle = ksession.insert(processInstance);
    ksession.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void activationCreated(ActivationCreatedEvent event) {
            System.out.println("Firing All the Rules! " + event);
            ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
        }

        @Override
        public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            System.out.println("Firing All the Rules! " + event);
            ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
        }
    });
    ksession.addEventListener(new DefaultProcessEventListener() {

        @Override
        public void beforeProcessStarted(ProcessStartedEvent event) {
            ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
        }

        @Override
        public void afterProcessStarted(ProcessStartedEvent event) {
            ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
        }

        @Override
        public void afterProcessCompleted(ProcessCompletedEvent event) {
            ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).retract(processHandle);
        }
    });
    ksession.startProcessInstance(processInstance.getId());
    // // If you want to query the process variables while the process Instance is running you can do:
    // //  But remember that the activities inside the process are all sync.
    // QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[]{});
    // Iterator<QueryResultsRow> iterator = queryResults.iterator();
    // 
    // QueryResultsRow ratesRow = iterator.next();
    // assertEquals(ratesToday, ((ProcessVariable) ratesRow.get("$pv")).getValue());
    // 
    // QueryResultsRow personRow = iterator.next();
    // assertEquals(person, ((ProcessVariable) personRow.get("$pv")).getValue());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
    QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[] {});
    // The Process Variables are automatically retracted when the Process Instance is Completed
    assertEquals(0, queryResults.size());
}