private void testStartProcess(SessionManagerFactory factory) throws Exception {
SessionManager sessionManager = factory.getSessionManager();
long taskId;
synchronized (
(SingleSessionCommandService)
((CommandBasedStatefulKnowledgeSession) sessionManager.getKnowledgeSession())
.getCommandService()) {
UserTransaction ut =
(UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
System.out.println(
"Starting process on ksession " + sessionManager.getKnowledgeSession().getId());
ProcessInstance processInstance =
sessionManager.getKnowledgeSession().startProcess("com.sample.bpmn.hello", null);
System.out.println(
"Started process instance "
+ processInstance.getId()
+ " on ksession "
+ sessionManager.getKnowledgeSession().getId());
long workItemId =
((HumanTaskNodeInstance)
((WorkflowProcessInstance) processInstance).getNodeInstances().iterator().next())
.getWorkItemId();
taskId = sessionManager.getTaskService().getTaskByWorkItemId(workItemId).getId();
System.out.println("Created task " + taskId);
ut.commit();
}
sessionManager.getTaskService().claim(taskId, "mary");
sessionManager.dispose();
}
public void testNewSessionFailBefore() throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource("sampleFailBefore.bpmn"), ResourceType.BPMN2);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
SessionManagerFactory factory = new NewSessionSessionManagerFactory(kbase);
SessionManager sessionManager = factory.getSessionManager();
try {
ProcessInstance processInstance =
sessionManager.getKnowledgeSession().startProcess("com.sample.bpmn.hello", null);
fail("Started process instance " + processInstance.getId());
} catch (RuntimeException e) {
// do nothing
}
// TODO: whenever transaction fails, do we need to dispose? can we?
// sessionManager.dispose();
List<Status> statusses = new ArrayList<Status>();
statusses.add(Status.Reserved);
sessionManager = factory.getSessionManager();
List<TaskSummary> tasks =
sessionManager.getTaskService().getTasksAssignedAsPotentialOwner("mary", "en-UK");
assertEquals(0, tasks.size());
sessionManager.dispose();
factory.dispose();
}
public void testNewSessionFailAfter() throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource("sampleFailAfter.bpmn"), ResourceType.BPMN2);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
SessionManagerFactory factory = new NewSessionSessionManagerFactory(kbase);
SessionManager sessionManager = factory.getSessionManager();
ProcessInstance processInstance =
sessionManager.getKnowledgeSession().startProcess("com.sample.bpmn.hello", null);
long workItemId =
((HumanTaskNodeInstance)
((WorkflowProcessInstance) processInstance).getNodeInstances().iterator().next())
.getWorkItemId();
long taskId = sessionManager.getTaskService().getTaskByWorkItemId(workItemId).getId();
sessionManager.getTaskService().claim(taskId, "mary");
List<Status> statusses = new ArrayList<Status>();
statusses.add(Status.Reserved);
List<TaskSummary> tasks =
sessionManager.getTaskService().getTasksOwned("mary", statusses, "en-UK");
assertEquals(1, tasks.size());
taskId = tasks.get(0).getId();
UserTransaction ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
try {
ut.begin();
sessionManager.getTaskService().start(taskId, "mary");
sessionManager.getTaskService().complete(taskId, "mary", null);
fail("Task completed");
} catch (RuntimeException e) {
// do nothing
}
ut.rollback();
// TODO: whenever transaction fails, do we need to dispose? can we?
// sessionManager.dispose();
sessionManager = factory.getSessionManager();
tasks = sessionManager.getTaskService().getTasksOwned("mary", statusses, "en-UK");
assertEquals(1, tasks.size());
sessionManager.dispose();
factory.dispose();
}
private boolean testCompleteTask(SessionManagerFactory factory)
throws InterruptedException, Exception {
boolean result = false;
List<Status> statusses = new ArrayList<Status>();
statusses.add(Status.Reserved);
SessionManager sessionManager = factory.getSessionManager();
List<TaskSummary> tasks = null;
tasks = sessionManager.getTaskService().getTasksOwned("mary", statusses, "en-UK");
if (tasks.isEmpty()) {
System.out.println("Task thread found no tasks");
Thread.sleep(1000);
} else {
long taskId = tasks.get(0).getId();
System.out.println("Completing task " + taskId);
boolean success = false;
try {
sessionManager.getTaskService().start(taskId, "mary");
success = true;
} catch (PermissionDeniedException e) {
// TODO can we avoid these by doing it all in one transaction?
System.out.println("Task thread was too late for starting task " + taskId);
} catch (RuntimeException e) {
if (e.getCause() instanceof OptimisticLockException) {
System.out.println("Task thread got in conflict when starting task " + taskId);
} else {
throw e;
}
}
if (success) {
sessionManager.getTaskService().complete(taskId, "mary", null);
System.out.println("Completed task " + taskId);
result = true;
}
}
sessionManager.dispose();
return result;
}
