use of org.drools.event.process.ProcessVariableChangedEvent in project jBPM5-Developer-Guide by Salaboy.
the class AutoMappingVariablesTest method processVariablesAutoMappingWithListenerTest.
@Test
// Add data mappings and finish example
@Ignore
public void processVariablesAutoMappingWithListenerTest() throws InterruptedException {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("evolution/mapping.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("evolution/scoring_processVariables.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("evolution/process-automapping-change-decision.bpmn"), ResourceType.BPMN2);
if (kbuilder.hasErrors()) {
for (KnowledgeBuilderError error : kbuilder.getErrors()) {
System.out.println(">>> Error:" + error.getMessage());
}
fail(">>> Knowledge couldn't be parsed! ");
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.addEventListener(new DefaultProcessEventListener() {
@Override
public void afterVariableChanged(ProcessVariableChangedEvent event) {
System.out.println(" ### Variable has been changed -> " + event.getVariableId());
System.out.println(" ###\t old -> " + event.getOldValue());
System.out.println(" ###\t new -> " + event.getNewValue());
}
@Override
public void beforeVariableChanged(ProcessVariableChangedEvent event) {
System.out.println(" ### Variable is going to change -> " + event.getVariableId());
System.out.println(" ###\t old -> " + event.getOldValue());
System.out.println(" ###\t new -> " + event.getNewValue());
}
});
KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
new Thread(new Runnable() {
public void run() {
ksession.fireUntilHalt();
}
}).start();
Person person = new Person("Salaboy", 28);
Map<String, Object> params = new HashMap<String, Object>();
params.put("person", person);
ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
System.out.println("Variables: " + ((WorkflowProcessInstanceImpl) processInstance).getVariables());
assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
FactHandle processtHandle = ksession.insert(processInstance);
ksession.startProcessInstance(processInstance.getId());
assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[] {});
Iterator<QueryResultsRow> iterator = queryResults.iterator();
while (iterator.hasNext()) {
QueryResultsRow next = iterator.next();
assertEquals(person, ((ProcessVariable) next.get("$pv")).getValue());
}
ksession.retract(processtHandle);
}
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