use of org.drools.KnowledgeBase 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);
}
use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.
the class GoodOldIntegrationPatterns method statelessDecorationTest.
@Test
public void statelessDecorationTest() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("good_old_patterns/process-stateless-rule-evaluation.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());
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.getWorkItemManager().registerWorkItemHandler("Rank Car", new RankCarWorkItemHandler());
ksession.getWorkItemManager().registerWorkItemHandler("Define Car Price", new DefineCarPriceWorkItemHandler());
Car car = new Car("AUDI 78", new Date(), 5, "manual", "gas", 285, 15000);
Map<String, Object> params = new HashMap<String, Object>();
params.put("car", car);
ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.stateless-rules-decoration", params);
assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
ksession.startProcessInstance(processInstance.getId());
System.out.println("Car : " + car);
}
use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.
the class GoodOldIntegrationPatterns method theRuleEngineWay.
@Test
public void theRuleEngineWay() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("good_old_patterns/car-evaluations.drl"), ResourceType.DRL);
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());
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
// KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
Car car = new Car("AUDI 78", new Date(), 5, "manual", "gas", 285, 25000);
MarketMetric metric = new MarketMetric(0.8);
ksession.insert(metric);
ksession.insert(car);
ksession.fireAllRules();
assertEquals(new Double(17500), new Double(car.getCurrentPrice()));
assertEquals(6, car.getRanking());
assertTrue(metric.getResult());
}
use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.
the class GoodOldIntegrationPatterns method javaBasedDecisionTest.
@Test
public void javaBasedDecisionTest() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("good_old_patterns/process-java-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());
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
// Uncomment to see all the logs
// KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
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);
assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
ksession.startProcessInstance(processInstance.getId());
assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}
use of org.drools.KnowledgeBase in project jBPM5-Developer-Guide by Salaboy.
the class NewCommonIntegrationPatternsTest method testSimpleDecisionWithReactiveRulesUsingListener.
@Test
public void testSimpleDecisionWithReactiveRulesUsingListener() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("new_common/scoring.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("new_common/process-drl-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();
// Uncomment to see all the logs
// KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
ksession.addEventListener(new DefaultAgendaEventListener() {
@Override
public void activationCreated(ActivationCreatedEvent event) {
System.out.println(">>> Firing All the Rules after activation created! " + event);
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
ksession.addEventListener(new DefaultProcessEventListener() {
@Override
public void afterProcessStarted(ProcessStartedEvent event) {
System.out.println(">>> Firing All the Rules after process started! " + event);
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
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);
ksession.insert(processInstance);
ksession.insert(person);
ksession.insert(new RatesToday(3, 5));
assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
ksession.startProcessInstance(processInstance.getId());
assertEquals(84, person.getScore());
assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}
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