@Test
public void testCancelNonRegisteredWorkItemHandler() {
String processId = "org.drools.actions";
String workName = "Unnexistent Task";
RuleFlowProcess process = getWorkItemProcess(processId, workName);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
((AbstractRuleBase) ((InternalKnowledgeBase) kbase).getRuleBase()).addProcess(process);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.getWorkItemManager().registerWorkItemHandler(workName, new DoNothingWorkItemHandler());
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("UserName", "John Doe");
parameters.put("Person", new Person("John Doe"));
ProcessInstance processInstance = ksession.startProcess("org.drools.actions", parameters);
long processInstanceId = processInstance.getId();
Assert.assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
ksession.getWorkItemManager().registerWorkItemHandler(workName, null);
try {
ksession.abortProcessInstance(processInstanceId);
Assert.fail("should fail if WorkItemHandler for" + workName + "is not registered");
} catch (WorkItemHandlerNotFoundException wihnfe) {
}
Assert.assertEquals(ProcessInstance.STATE_ABORTED, processInstance.getState());
}
@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 =
InfinispanKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
int origNumObjects = ksession.getObjects().size();
long id = ksession.getIdentifier();
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 = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNotNull(workItem);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNotNull(workItem);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNull(workItem);
ksession = InfinispanKnowledgeService.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 testPersistenceWorkItems2() throws Exception {
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 id = ksession.getId();
UserTransaction ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
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.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNotNull(workItem);
ut.commit();
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(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 =
InfinispanKnowledgeService.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 = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals("John Doe", workItem.getParameter("text"));
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNull(workItem);
ksession = InfinispanKnowledgeService.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 =
InfinispanKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
long id = ksession.getIdentifier();
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 = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNotNull(workItem);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
workItem = handler.getWorkItem();
assertNull(workItem);
ksession = InfinispanKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNull("Process did not complete.", processInstance);
}
@Test
public void testPersistenceWorkItems3() {
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);
ksession.getWorkItemManager().registerWorkItemHandler("MyWork", new SystemOutWorkItemHandler());
ProcessInstance processInstance = ksession.startProcess("org.drools.test.TestProcess");
ksession.insert("TestString");
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
@Test
public void testPersistenceEvents() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("EventsProcess.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("org.drools.test.TestProcess");
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);
ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession.signalEvent("MyEvent1", null, processInstance.getId());
ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNotNull(processInstance);
ksession.signalEvent("MyEvent2", null, processInstance.getId());
ksession = JPAKnowledgeService.loadStatefulKnowledgeSession(id, kbase, null, env);
processInstance = ksession.getProcessInstance(processInstance.getId());
assertNull(processInstance);
}
public static final void main(String[] args) {
try {
// load up the knowledge base
KnowledgeBase kbase = readKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
final KnowledgeRuntimeLogger logger =
KnowledgeRuntimeLoggerFactory.newThreadedFileLogger(ksession, "test", 1000);
final HornetQHTWorkItemHandler hornetQHTWorkItemHandler =
new HornetQHTWorkItemHandler(ksession);
Runtime.getRuntime()
.addShutdownHook(
new Thread() {
public void run() {
if (logger != null) {
try {
hornetQHTWorkItemHandler.dispose();
} catch (Exception ex) {
Logger.getLogger(EvaluationExample.class.getName())
.log(Level.SEVERE, null, ex);
}
logger.close();
System.exit(0);
}
}
});
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", hornetQHTWorkItemHandler);
// start a new process instance
Map<String, Object> params = new HashMap<String, Object>();
params.put("employee", "krisv");
params.put("reason", "Yearly performance evaluation");
ksession.startProcess("com.sample.evaluation", params);
} catch (Throwable t) {
t.printStackTrace();
}
}
private void createKnowledgeSessionStartProcessEtc(KieBase kbase) {
logger.info("session count=" + kbase.getKieSessions().size());
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(
kbase, getKnowledgeSessionConfiguration(), env);
addEventListenersToSession(ksession);
/**
* The following log line caused the memory leak. The specific (reverse-ordered) stack trace is
* the following:
*
* <p>MemoryLeakTest.createKnowledgeSessionStartProcessEtc(KnowledgeBase) calls
* kbase.getKieSessions() .. KnowledgeBaseImpl.getStatefulKnowledgeSessions() line: 186
* StatefulKnowledgeSessionImpl.<init>(ReteooWorkingMemory, KnowledgeBase) line: 121
* ReteooStatefulSession(AbstractWorkingMemory).setKnowledgeRuntime(InternalKnowledgeRuntime)
* line: 1268 ReteooStatefulSession(AbstractWorkingMemory).createProcessRuntime() line: 342
* ProcessRuntimeFactory.newProcessRuntime(AbstractWorkingMemory) line: 12
* ProcessRuntimeFactoryServiceImpl.newProcessRuntime(AbstractWorkingMemory) line: 1
* ProcessRuntimeFactoryServiceImpl.newProcessRuntime(AbstractWorkingMemory) line: 10
* ProcessRuntimeImpl.<init>(AbstractWorkingMemory) line: 84
* ProcessRuntimeImpl.initProcessEventListeners() line: 215
*
* <p>And ProcessRuntimeImpl.initProcessEventListeners() is what adds a new listener to
* AbstractRuleBase.eventSupport.listeners via this line (235):
* kruntime.getKnowledgeBase().addEventListener(knowledgeBaseListener);
*
* <p>The StatefulKnowledgeSessionImpl instance created in this .getStatefulKnowledgeSessions()
* method is obviously never disposed, which means that the listener is never removed. The
* listener then contains a link to a field (signalManager) of the ProcessRuntimeImpl, which
* contains a link to the StatefulKnowledgeSessionImpl instance created here. etc..
*/
logger.info("session count=" + kbase.getKieSessions().size());
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
try {
// create process instance, insert into session and start process
Map<String, Object> processParams = new HashMap<String, Object>();
String[] fireballVarHolder = new String[1];
processParams.put("fireball", fireballVarHolder);
ProcessInstance processInstance = ksession.createProcessInstance(PROCESS_NAME, processParams);
ksession.insert(processInstance);
ksession.startProcessInstance(processInstance.getId());
// after the log line has been added, the DefaultProcessEventListener registered
// in the addEventListenersToSession() method no longer works?!?
ksession.fireAllRules();
// test process variables
String[] procVar =
(String[]) ((WorkflowProcessInstance) processInstance).getVariable("fireball");
assertEquals("Rule task did NOT fire or complete.", "boom!", procVar[0]);
// complete task and process
Map<String, Object> results = new HashMap<String, Object>();
results.put("chaerg", new SerializableResult("zhrini", 302l, "F", "A", "T"));
ksession.getWorkItemManager().completeWorkItem(handler.getWorkItem().getId(), results);
assertNull(ksession.getProcessInstance(processInstance.getId()));
} finally {
// This should clean up all listeners, but doesn't -> see docs above
ksession.dispose();
}
}
public static final void main(String[] args) {
try {
// load up the knowledge base
KnowledgeBase kbase = readKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeLogger logger =
KnowledgeRuntimeLoggerFactory.newThreadedFileLogger(ksession, "test", 1000);
HornetQHTWorkItemHandler hornetQHTWorkItemHandler = new HornetQHTWorkItemHandler(ksession);
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", hornetQHTWorkItemHandler);
// start a new process instance
Map<String, Object> params = new HashMap<String, Object>();
params.put("employee", "krisv");
params.put("reason", "Yearly performance evaluation");
ksession.startProcess("com.sample.evaluation", params);
SystemEventListenerFactory.setSystemEventListener(new SystemEventListener());
TaskService taskClient =
new SyncTaskServiceWrapper(new AsyncHornetQTaskClient("EvaluationExample2-testClient"));
taskClient.connect("127.0.0.1", 5153);
Thread.sleep(1000);
// "krisv" executes his own performance evaluation
TaskSummary task1 = taskClient.getTasksAssignedAsPotentialOwner("krisv", "en-UK").get(0);
System.out.println(
"Krisv executing task "
+ task1.getName()
+ "("
+ task1.getId()
+ ": "
+ task1.getDescription()
+ ")");
taskClient.start(task1.getId(), "krisv");
taskClient.complete(task1.getId(), "krisv", null);
Thread.sleep(1000);
// "john", part of the "PM" group, executes a performance evaluation
List<String> groups = new ArrayList<String>();
groups.add("PM");
TaskSummary task2 =
taskClient.getTasksAssignedAsPotentialOwner("john", groups, "en-UK").get(0);
System.out.println(
"John executing task "
+ task2.getName()
+ "("
+ task2.getId()
+ ": "
+ task2.getDescription()
+ ")");
taskClient.claim(task2.getId(), "john", groups);
taskClient.start(task2.getId(), "john");
taskClient.complete(task2.getId(), "john", null);
Thread.sleep(1000);
// "mary", part of the "HR" group, delegates a performance evaluation
groups = new ArrayList<String>();
groups.add("HR");
TaskSummary task3 =
taskClient.getTasksAssignedAsPotentialOwner("mary", groups, "en-UK").get(0);
System.out.println(
"Mary delegating task "
+ task3.getName()
+ "("
+ task3.getId()
+ ": "
+ task3.getDescription()
+ ") to krisv");
taskClient.claim(task3.getId(), "mary", groups);
taskClient.delegate(task3.getId(), "mary", "krisv");
// "administrator" delegates the task back to mary
System.out.println("Administrator delegating task back to mary");
taskClient.delegate(task3.getId(), "Administrator", "mary");
Thread.sleep(1000);
// mary executing the task
TaskSummary task3b = taskClient.getTasksAssignedAsPotentialOwner("mary", "en-UK").get(0);
System.out.println(
"Mary executing task "
+ task3b.getName()
+ "("
+ task3b.getId()
+ ": "
+ task3b.getDescription()
+ ")");
taskClient.start(task3b.getId(), "mary");
taskClient.complete(task3b.getId(), "mary", null);
taskClient.disconnect();
hornetQHTWorkItemHandler.dispose();
Thread.sleep(1000);
logger.close();
System.exit(0);
} catch (Throwable t) {
t.printStackTrace();
}
}
public void testWorkItem() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
Reader source =
new StringReader(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<process xmlns=\"http://drools.org/drools-5.0/process\"\n"
+ " xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
+ " xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n"
+ " type=\"RuleFlow\" name=\"flow\" id=\"org.drools.actions\" package-name=\"org.drools\" version=\"1\" >\n"
+ "\n"
+ " <header>\n"
+ " <variables>\n"
+ " <variable name=\"UserName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>John Doe</value>\n"
+ " </variable>\n"
+ " <variable name=\"Person\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.ObjectDataType\" className=\"org.jbpm.Person\" />\n"
+ " </variable>\n"
+ " <variable name=\"MyObject\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </variable>\n"
+ " <variable name=\"Number\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.IntegerDataType\" />\n"
+ " </variable>\n"
+ " </variables>\n"
+ " </header>\n"
+ "\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <workItem id=\"2\" name=\"HumanTask\" >\n"
+ " <work name=\"Human Task\" >\n"
+ " <parameter name=\"ActorId\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>#{UserName}</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Content\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>#{Person.name}</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Attachment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " </work>\n"
+ " <mapping type=\"in\" from=\"MyObject\" to=\"Attachment\" />"
+ " <mapping type=\"in\" from=\"Person.name\" to=\"Comment\" />"
+ " <mapping type=\"out\" from=\"Result\" to=\"MyObject\" />"
+ " <mapping type=\"out\" from=\"Result.length()\" to=\"Number\" />"
+ " </workItem>\n"
+ " <end id=\"3\" name=\"End\" />\n"
+ " </nodes>\n"
+ "\n"
+ " <connections>\n"
+ " <connection from=\"1\" to=\"2\" />\n"
+ " <connection from=\"2\" to=\"3\" />\n"
+ " </connections>\n"
+ "\n"
+ "</process>");
kbuilder.add(ResourceFactory.newReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("UserName", "John Doe");
Person person = new Person();
person.setName("John Doe");
parameters.put("Person", person);
WorkflowProcessInstance processInstance =
(WorkflowProcessInstance) ksession.startProcess("org.drools.actions", parameters);
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals("John Doe", workItem.getParameter("ActorId"));
assertEquals("John Doe", workItem.getParameter("Content"));
assertEquals("John Doe", workItem.getParameter("Comment"));
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
parameters = new HashMap<String, Object>();
parameters.put("UserName", "Jane Doe");
parameters.put("MyObject", "SomeString");
person = new Person();
person.setName("Jane Doe");
parameters.put("Person", person);
processInstance =
(WorkflowProcessInstance) ksession.startProcess("org.drools.actions", parameters);
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals("Jane Doe", workItem.getParameter("ActorId"));
assertEquals("SomeString", workItem.getParameter("Attachment"));
assertEquals("Jane Doe", workItem.getParameter("Content"));
assertEquals("Jane Doe", workItem.getParameter("Comment"));
Map<String, Object> results = new HashMap<String, Object>();
results.put("Result", "SomeOtherString");
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), results);
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
assertEquals("SomeOtherString", processInstance.getVariable("MyObject"));
assertEquals(15, processInstance.getVariable("Number"));
}
