Examples with StatefulKnowledgeSession org.kie.internal.runtime.StatefulKnowledgeSession used on opensource projects

Example 96 with StatefulKnowledgeSession

use of org.kie.internal.runtime.StatefulKnowledgeSession in project jbpm by kiegroup.

the class GetProcessInstancesTest method noProcessInstancesLeftAfterRollback.

@Test
public void noProcessInstancesLeftAfterRollback() throws Exception {
    long[] notProcess = new long[2];
    UserTransaction ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
    ut.begin();
    StatefulKnowledgeSession ksession = reloadKnowledgeSession();
    notProcess[0] = ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
    notProcess[1] = ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
    assertEquals(2, ksession.getProcessInstances().size());
    ut.rollback();
    // Validate that proc inst mgr cache is also flushed on rollback
    assertEquals(0, ksession.getProcessInstances().size());
    ksession = reloadKnowledgeSession(ksession);
    assertEquals(0, ksession.getProcessInstances().size());
    ksession.dispose();
    assertProcessInstancesNotExist(notProcess);
}

Example 97 with StatefulKnowledgeSession

use of org.kie.internal.runtime.StatefulKnowledgeSession in project jbpm by kiegroup.

the class PersistentStatefulSessionTest method testLocalTransactionPerStatement.

@Test
public void testLocalTransactionPerStatement() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(ruleString.getBytes()), ResourceType.DRL);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    kbase.addPackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    List<?> list = new ArrayList<Object>();
    ksession.setGlobal("list", list);
    ksession.insert(1);
    ksession.insert(2);
    ksession.insert(3);
    ksession.fireAllRules();
    assertEquals(3, list.size());
}

Example 98 with StatefulKnowledgeSession

use of org.kie.internal.runtime.StatefulKnowledgeSession in project jbpm by kiegroup.

the class PersistentStatefulSessionTest method testPersistenceVariables.

@Test
public void testPersistenceVariables() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("VariablesProcess.rf"), ResourceType.DRF);
    for (KnowledgeBuilderError error : kbuilder.getErrors()) {
        logger.debug(error.toString());
    }
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    long id = ksession.getIdentifier();
    Map<String, Object> parameters = new HashMap<String, Object>();
    parameters.put("name", "John Doe");
    ProcessInstance processInstance = ksession.startProcess("org.drools.test.TestProcess", parameters);
    TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
    WorkItem workItem = handler.getWorkItem();
    assertNotNull(workItem);
    assertEquals("John Doe", workItem.getParameter("name"));
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    processInstance = ksession.getProcessInstance(processInstance.getId());
    assertNotNull(processInstance);
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
    workItem = handler.getWorkItem();
    assertNotNull(workItem);
    assertEquals("John Doe", workItem.getParameter("text"));
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    processInstance = ksession.getProcessInstance(processInstance.getId());
    assertNotNull(processInstance);
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
    workItem = handler.getWorkItem();
    assertNull(workItem);
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    processInstance = ksession.getProcessInstance(processInstance.getId());
    assertNull(processInstance);
}

Example 99 with StatefulKnowledgeSession

use of org.kie.internal.runtime.StatefulKnowledgeSession in project jbpm by kiegroup.

the class PersistentStatefulSessionTest method testPersistenceState.

@Test
public void testPersistenceState() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("StateProcess.rf"), ResourceType.DRF);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    long id = ksession.getIdentifier();
    ProcessInstance processInstance = ksession.startProcess("org.drools.test.TestProcess");
    logger.debug("Started process instance {}", processInstance.getId());
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    processInstance = ksession.getProcessInstance(processInstance.getId());
    assertNotNull(processInstance);
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    ksession.insert(new ArrayList<Object>());
    ksession.fireAllRules();
    ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
    processInstance = ksession.getProcessInstance(processInstance.getId());
    assertNull(processInstance);
}

Example 100 with StatefulKnowledgeSession

use of org.kie.internal.runtime.StatefulKnowledgeSession in project jbpm by kiegroup.

the class PersistentStatefulSessionTest method testProcessListener.

@Test
public void testProcessListener() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("WorkItemsProcess.rf"), ResourceType.DRF);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
    final List<ProcessEvent> events = new ArrayList<ProcessEvent>();
    ProcessEventListener listener = new ProcessEventListener() {

        public void afterNodeLeft(ProcessNodeLeftEvent event) {
            logger.debug("After node left: {}", event.getNodeInstance().getNodeName());
            events.add(event);
        }

        public void afterNodeTriggered(ProcessNodeTriggeredEvent event) {
            logger.debug("After node triggered: {}", event.getNodeInstance().getNodeName());
            events.add(event);
        }

        public void afterProcessCompleted(ProcessCompletedEvent event) {
            logger.debug("After process completed");
            events.add(event);
        }

        public void afterProcessStarted(ProcessStartedEvent event) {
            logger.debug("After process started");
            events.add(event);
        }

        public void beforeNodeLeft(ProcessNodeLeftEvent event) {
            logger.debug("Before node left: {}", event.getNodeInstance().getNodeName());
            events.add(event);
        }

        public void beforeNodeTriggered(ProcessNodeTriggeredEvent event) {
            logger.debug("Before node triggered: {}", event.getNodeInstance().getNodeName());
            events.add(event);
        }

        public void beforeProcessCompleted(ProcessCompletedEvent event) {
            logger.debug("Before process completed");
            events.add(event);
        }

        public void beforeProcessStarted(ProcessStartedEvent event) {
            logger.debug("Before process started");
            events.add(event);
        }

        public void afterVariableChanged(ProcessVariableChangedEvent event) {
            logger.debug("After Variable Changed");
            events.add(event);
        }

        public void beforeVariableChanged(ProcessVariableChangedEvent event) {
            logger.debug("Before Variable Changed");
            events.add(event);
        }
    };
    ksession.addEventListener(listener);
    ProcessInstance processInstance = ksession.startProcess("org.drools.test.TestProcess");
    logger.debug("Started process instance {}", processInstance.getId());
    assertEquals(12, events.size());
    assertTrue(events.get(0) instanceof ProcessStartedEvent);
    assertTrue(events.get(1) instanceof ProcessNodeTriggeredEvent);
    assertTrue(events.get(2) instanceof ProcessNodeLeftEvent);
    assertTrue(events.get(3) instanceof ProcessNodeTriggeredEvent);
    assertTrue(events.get(4) instanceof ProcessNodeLeftEvent);
    assertTrue(events.get(5) instanceof ProcessNodeTriggeredEvent);
    assertTrue(events.get(6) instanceof ProcessNodeTriggeredEvent);
    assertTrue(events.get(7) instanceof ProcessNodeLeftEvent);
    assertTrue(events.get(8) instanceof ProcessNodeTriggeredEvent);
    assertTrue(events.get(9) instanceof ProcessNodeLeftEvent);
    assertTrue(events.get(10) instanceof ProcessNodeTriggeredEvent);
    assertTrue(events.get(11) instanceof ProcessStartedEvent);
    ksession.removeEventListener(listener);
    events.clear();
    processInstance = ksession.startProcess("org.drools.test.TestProcess");
    logger.debug("Started process instance {}", processInstance.getId());
    assertTrue(events.isEmpty());
}