Examples with ProcessEvent org.kie.api.event.process.ProcessEvent used on opensource projects

Example 6 with ProcessEvent

use of org.kie.api.event.process.ProcessEvent 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());
}