Examples with StatefulKnowledgeSession org.drools.runtime.StatefulKnowledgeSession used on opensource projects

Example 26 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class ProcessAndHumanTasksTest method testProcessWithHumanTasks.

@Test
public void testProcessWithHumanTasks() throws InterruptedException {
    StatefulKnowledgeSession ksession = this.initializeSession();
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    GenericHTWorkItemHandler htHandler = this.createTaskHandler(ksession);
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", htHandler);
    Map<String, Object> initialParams = new HashMap<String, Object>();
    initialParams.put("user_self_evaluation", "calcacuervo");
    ProcessInstance processInstance = ksession.startProcess("chapter_07_simple_review", initialParams);
    assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
    // first, calcacuervo will make its own review..
    List<TaskSummary> tasks = this.service.getTasksAssignedAsPotentialOwner("calcacuervo", "en-UK");
    assertEquals(1, tasks.size());
    this.service.start(tasks.get(0).getId(), "calcacuervo");
    this.service.complete(tasks.get(0).getId(), "calcacuervo", null);
    // now, a user with role TL will see the task.. esteban is one of them
    List<TaskSummary> estebanTasks = this.service.getTasksAssignedAsPotentialOwner("esteban", "en-UK");
    Assert.assertEquals(1, estebanTasks.size());
    this.service.claim(estebanTasks.get(0).getId(), "esteban");
    this.service.start(estebanTasks.get(0).getId(), "esteban");
    this.service.complete(estebanTasks.get(0).getId(), "esteban", null);
    // now, a user with role HR will see the task.. mariano is one of them
    List<TaskSummary> marianoTasks = this.service.getTasksAssignedAsPotentialOwner("mariano", "en-UK");
    Assert.assertEquals(1, marianoTasks.size());
    this.service.claim(marianoTasks.get(0).getId(), "mariano");
    this.service.start(marianoTasks.get(0).getId(), "mariano");
    this.service.complete(marianoTasks.get(0).getId(), "mariano", null);
    assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}

Example 27 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class CompleteWorkItemCallback method onCommandDone.

public void onCommandDone(CommandContext ctx, ExecutionResults results) {
    Map<String, Object> output = new HashMap<String, Object>();
    if (results != null) {
        for (Map.Entry<String, Object> entry : results.getData().entrySet()) {
            output.put(entry.getKey(), entry.getValue());
        }
    }
    String sWorkItemId = (String) ctx.getData("_workItemId");
    String businessKey = (String) ctx.getData("businessKey");
    String[] key = businessKey.split("@");
    StatefulKnowledgeSession session = null;
    synchronized (SessionStoreUtil.sessionCache) {
        session = SessionStoreUtil.sessionCache.get(key[1]);
    }
    session.getWorkItemManager().completeWorkItem(Long.valueOf(sWorkItemId), output);
}

Example 28 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class AutoMappingVariablesTest method processVariablesAutoMappingWithListenerTest.

@Test
// Add data mappings and finish example
@Ignore
public void processVariablesAutoMappingWithListenerTest() throws InterruptedException {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("evolution/mapping.drl"), ResourceType.DRL);
    kbuilder.add(new ClassPathResource("evolution/scoring_processVariables.drl"), ResourceType.DRL);
    kbuilder.add(new ClassPathResource("evolution/process-automapping-change-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();
    ksession.addEventListener(new DefaultProcessEventListener() {

        @Override
        public void afterVariableChanged(ProcessVariableChangedEvent event) {
            System.out.println(" ### Variable has been changed  -> " + event.getVariableId());
            System.out.println(" ###\t  old -> " + event.getOldValue());
            System.out.println(" ###\t  new -> " + event.getNewValue());
        }

        @Override
        public void beforeVariableChanged(ProcessVariableChangedEvent event) {
            System.out.println(" ### Variable is going to change  -> " + event.getVariableId());
            System.out.println(" ###\t  old -> " + event.getOldValue());
            System.out.println(" ###\t  new -> " + event.getNewValue());
        }
    });
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    new Thread(new Runnable() {

        public void run() {
            ksession.fireUntilHalt();
        }
    }).start();
    Person person = new Person("Salaboy", 28);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("person", person);
    ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
    System.out.println("Variables: " + ((WorkflowProcessInstanceImpl) processInstance).getVariables());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    FactHandle processtHandle = ksession.insert(processInstance);
    ksession.startProcessInstance(processInstance.getId());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
    QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[] {});
    Iterator<QueryResultsRow> iterator = queryResults.iterator();
    while (iterator.hasNext()) {
        QueryResultsRow next = iterator.next();
        assertEquals(person, ((ProcessVariable) next.get("$pv")).getValue());
    }
    ksession.retract(processtHandle);
}

Example 29 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class GoodOldIntegrationPatterns method theRuleEngineWay.

@Test
public void theRuleEngineWay() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("good_old_patterns/car-evaluations.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();
    //KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    Car car = new Car("AUDI 78", new Date(), 5, "manual", "gas", 285, 25000);
    MarketMetric metric = new MarketMetric(0.8);
    ksession.insert(metric);
    ksession.insert(car);
    ksession.fireAllRules();
    assertEquals(new Double(17500), new Double(car.getCurrentPrice()));
    assertEquals(6, car.getRanking());
    assertTrue(metric.getResult());
}

Example 30 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class GoodOldIntegrationPatterns method javaBasedDecisionTest.

@Test
public void javaBasedDecisionTest() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("good_old_patterns/process-java-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());
    StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
    // Uncomment to see all the logs
    // KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    Person person = new Person("Salaboy", 28);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("person", person);
    ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    ksession.startProcessInstance(processInstance.getId());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}