@Test
public void testProcessListener() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("WorkItemsProcess.rf"), ResourceType.DRF);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession =
InfinispanKnowledgeService.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());
}
