@Test
public void testPersistenceRuleSet() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("RuleSetProcess.rf"), ResourceType.DRF);
kbuilder.add(new ClassPathResource("RuleSetRules.drl"), ResourceType.DRL);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
int id = ksession.getId();
ksession.insert(new ArrayList<Object>());
ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ProcessInstance processInstance = ksession.startProcess("org.drools.test.TestProcess");
ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.fireAllRules();
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNull(processInstance);
}
@Test
public void testPersistenceWorkItems() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("WorkItemsProcess.rf"), ResourceType.DRF);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
int origNumObjects = ksession.getObjects().size();
int id = ksession.getId();
ProcessInstance processInstance = ksession.startProcess("org.drools.test.TestProcess");
ksession.insert("TestString");
logger.debug("Started process instance {}", processInstance.getId());
TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
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);
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);
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());
assertEquals(origNumObjects + 1, ksession.getObjects().size());
for (Object o : ksession.getObjects()) {
logger.debug(o.toString());
}
assertNull(processInstance);
}
@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());
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
int id = ksession.getId();
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);
}
@Test
public void testPersistenceSubProcess() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("SuperProcess.rf"), ResourceType.DRF);
kbuilder.add(new ClassPathResource("SubProcess.rf"), ResourceType.DRF);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
int id = ksession.getId();
ProcessInstance processInstance = ksession.startProcess("com.sample.SuperProcess");
logger.debug("Started process instance {}", processInstance.getId());
TestWorkItemHandler handler = TestWorkItemHandler.getInstance();
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
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);
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("Process did not complete.", processInstance);
}
@Test
public void testUserTransactions() throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(ruleString.getBytes()), ResourceType.DRL);
KieBaseConfiguration kBaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
// ((RuleBaseConfiguration)kBaseConf).setPhreakEnabled(false);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kBaseConf);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
UserTransaction ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
ut.commit();
List<?> list = new ArrayList<Object>();
// insert and commit
ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
ksession.setGlobal("list", list);
ksession.insert(1);
ksession.insert(2);
ut.commit();
// insert and rollback
ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
ksession.insert(3);
ut.rollback();
// check we rolled back the state changes from the 3rd insert
ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
ksession.fireAllRules();
ut.commit();
assertEquals(2, list.size());
// insert and commit
ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
ksession.insert(3);
ksession.insert(4);
ut.commit();
// rollback again, this is testing that we can do consecutive rollbacks and commits without
// issue
ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
ksession.insert(5);
ksession.insert(6);
ut.rollback();
ksession.fireAllRules();
assertEquals(4, list.size());
// now load the ksession
ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(ksession.getId(), kbase, null, env);
ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
ksession.insert(7);
ksession.insert(8);
ut.commit();
ksession.fireAllRules();
assertEquals(6, list.size());
}