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"));
}
