Examples with ProcessInstance org.drools.runtime.process.ProcessInstance used on opensource projects

Example 11 with ProcessInstance

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

the class AdvancedProcessAndRulesIntegrationTest method processEventsTest.

@Test
public void processEventsTest() 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-events-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.getWorkItemManager().registerWorkItemHandler("Human Task", new WorkItemHandler() {

        public void executeWorkItem(WorkItem wi, WorkItemManager wim) {
            System.out.println(" >>> Completing Task! -> " + wi.getName() + " - id: " + wi.getId());
            wim.completeWorkItem(wi.getId(), null);
        }

        public void abortWorkItem(WorkItem wi, WorkItemManager wim) {
            throw new UnsupportedOperationException("Not supported yet.");
        }
    });
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    ksession.addEventListener(new DefaultAgendaEventListener() {

        @Override
        public void activationCreated(ActivationCreatedEvent event) {
            ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
        }

        @Override
        public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
            ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
        }
    });
    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);
    ((StatefulKnowledgeSessionImpl) 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());
    Thread.sleep(1000);
    //        // If you want to query the process variables while the process Instance is running you can do: 
    //        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());
}

Example 12 with ProcessInstance

use of org.drools.runtime.process.ProcessInstance 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 13 with ProcessInstance

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

the class PersistentProcessTest method processInstancePersistentAsyncTest.

@Test
public void processInstancePersistentAsyncTest() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("process-async-interactions.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());
    Environment env = EnvironmentFactory.newEnvironment();
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.runtime");
    env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);
    env.set(EnvironmentName.TRANSACTION_MANAGER, TransactionManagerServices.getTransactionManager());
    // Let's create a Persistence Knowledge Session
    System.out.println(" >>> Let's create a Persistent Knowledge Session");
    final StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    int sessionId = ksession.getId();
    assertNotNull(sessionId);
    assertTrue(sessionId != 0);
    // We need to register the WorkItems and Listeners that the session will use
    MockAsyncHTWorkItemHandler mockAsyncHTWorkItemHandler = new MockAsyncHTWorkItemHandler();
    MockExternalServiceWorkItemHandler mockExternalServiceWorkItemHandler = new MockExternalServiceWorkItemHandler();
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", mockAsyncHTWorkItemHandler);
    ksession.getWorkItemManager().registerWorkItemHandler("External Service Call", mockExternalServiceWorkItemHandler);
    //KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    // Let's create a Process Instance
    Person person = new Person("Salaboy", 29);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("person", person);
    //Each Command will generate an interaction
    System.out.println(" >>> Let's Create Process Instance");
    ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.AsyncInteractions", params);
    System.out.println(" >>> Let's Start the Process Instance");
    ksession.startProcessInstance(processInstance.getId());
    //Now we need to manually complete the Human Interaction to continue the process
    System.out.println(">>> Completing the first Human Interaction");
    ksession.getWorkItemManager().completeWorkItem(mockAsyncHTWorkItemHandler.getId(), null);
    // It will execute the automatic external interaction and then another Human Interaction will need to be completed
    System.out.println(">>> Completing the second Human Interaction");
    ksession.getWorkItemManager().completeWorkItem(mockAsyncHTWorkItemHandler.getId(), null);
    // We need to dispose the session, because the reference to this ksession object will no longer be valid
    //  because another thread could load the same session and execute a different command.
    System.out.println(">>> Disposing Session");
    ksession.dispose();
}

Example 14 with ProcessInstance

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

the class PersistentProcessTest method processInstancesPersistenceFaultTest.

@Test
public void processInstancesPersistenceFaultTest() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("process-async-interactions.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());
    Environment env = EnvironmentFactory.newEnvironment();
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.runtime");
    env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);
    env.set(EnvironmentName.TRANSACTION_MANAGER, TransactionManagerServices.getTransactionManager());
    // Let's create a Persistence Knowledge Session
    System.out.println(" >>> Let's create a Persistent Knowledge Session");
    final StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    int sessionId = ksession.getId();
    assertNotNull(sessionId);
    assertTrue(sessionId != 0);
    // We need to register the WorkItems and Listeners that the session will use
    MockHTWorkItemHandler mockHTWorkItemHandler = new MockHTWorkItemHandler();
    MockFaultWorkItemHandler mockFaultWorkItemHandler = new MockFaultWorkItemHandler();
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", mockHTWorkItemHandler);
    ksession.getWorkItemManager().registerWorkItemHandler("External Service Call", mockFaultWorkItemHandler);
    //KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    // Let's create a Process Instance
    Person person = new Person("Salaboy", 29);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("person", person);
    //Each Command will generate an interaction
    System.out.println(">>> Let's Create Process Instance");
    ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.AsyncInteractions", params);
    System.out.println(">>> Let's Start the Process Instance");
    try {
        ksession.startProcessInstance(processInstance.getId());
    } catch (Exception e) {
        assertTrue(e instanceof WorkflowRuntimeException);
        System.out.println(">>> Disposing Session");
        // We need to dispose the session, because the reference to this ksession object will no longer be valid
        //  because another thread could load the same session and execute a different command.
        ksession.dispose();
        // The startProcess transaction never gets commited.
        EntityManager em = emf.createEntityManager();
        // The ProcessInstance is in the same state as when it was created
        List resultList = em.createQuery("select p from ProcessInstanceInfo p").getResultList();
        assertEquals(1, resultList.size());
        assertEquals(0, ((WorkflowProcessInstanceImpl) processInstance).getNodeInstances().size());
        // No WorkItemInfo was commited.
        resultList = em.createQuery("select w from WorkItemInfo w").getResultList();
        assertEquals(0, resultList.size());
    }
}

Example 15 with ProcessInstance

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

the class PersistentProcessTest method processInstancePersistentTest.

@Test
public void processInstancePersistentTest() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("process-async-interactions.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());
    Environment env = EnvironmentFactory.newEnvironment();
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.runtime");
    env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);
    env.set(EnvironmentName.TRANSACTION_MANAGER, TransactionManagerServices.getTransactionManager());
    // Let's create a Persistence Knowledge Session
    System.out.println(" >>> Let's create a Persistent Knowledge Session");
    final StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    int sessionId = ksession.getId();
    assertNotNull(sessionId);
    assertTrue(sessionId != 0);
    // We need to register the WorkItems and Listeners that the session will use
    MockHTWorkItemHandler mockHTWorkItemHandler = new MockHTWorkItemHandler();
    MockExternalServiceWorkItemHandler mockExternalServiceWorkItemHandler = new MockExternalServiceWorkItemHandler();
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", mockHTWorkItemHandler);
    ksession.getWorkItemManager().registerWorkItemHandler("External Service Call", mockExternalServiceWorkItemHandler);
    //KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
    // Let's create a Process Instance
    Person person = new Person("Salaboy", 29);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("person", person);
    //Each Command will generate an interaction
    System.out.println(">>> Let's Create Process Instance");
    ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.AsyncInteractions", params);
    System.out.println(">>> Let's Start the Process Instance");
    long processInstanceOne = processInstance.getId();
    ksession.startProcessInstance(processInstanceOne);
    // We need to dispose the session, because the reference to this ksession object will no longer be valid
    //  because another thread could load the same session and execute a different command.
    System.out.println(">>> Disposing Session");
    ksession.dispose();
    // Let's reload the session and create a different process instance inside it
    StatefulKnowledgeSession loadedKsession = JPAKnowledgeService.loadStatefulKnowledgeSession(sessionId, kbase, null, env);
    // All the listeners and WorkItemHandlers are volatile, so we need to register them each time that we reload the session
    //  from the DB.
    loadedKsession.getWorkItemManager().registerWorkItemHandler("Human Task", mockHTWorkItemHandler);
    loadedKsession.getWorkItemManager().registerWorkItemHandler("External Service Call", mockExternalServiceWorkItemHandler);
    //KnowledgeRuntimeLoggerFactory.newConsoleLogger(loadedKsession);
    //Let's create another instance and start it.
    System.out.println(">>> Let's Create Process Instance");
    processInstance = loadedKsession.createProcessInstance("com.salaboy.process.AsyncInteractions", params);
    System.out.println(">>> Let's Start the Process Instance");
    long processInstanceTwo = processInstance.getId();
    loadedKsession.startProcessInstance(processInstanceTwo);
    System.out.println(">>> Disposing Session");
    loadedKsession.dispose();
    StatefulKnowledgeSession checkKsession = JPAKnowledgeService.loadStatefulKnowledgeSession(sessionId, kbase, null, env);
    assertEquals(0, checkKsession.getProcessInstances().size());
    checkKsession.dispose();
}