use of org.drools.runtime.StatefulKnowledgeSession 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.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.
the class MultiProcessEvaluationTest method testProcessCreationDelegation.
@Test
public void testProcessCreationDelegation() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("multi_process_evaluation/resources.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("multi_process_evaluation/simple-process-trigger.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("multi_process_evaluation/multi-process-decision-customer.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) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
ksession.addEventListener(new DefaultWorkingMemoryEventListener() {
@Override
public void objectInserted(ObjectInsertedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void objectUpdated(ObjectUpdatedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
ksession.addEventListener(new DefaultProcessEventListener() {
@Override
public void afterNodeLeft(ProcessNodeLeftEvent event) {
//System.out.println(">>> Firing All the Rules on afterNodeLeft! " + event);
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
QueryResults queryResults = null;
try {
ksession.insert(new Resources(10));
ksession.insert(new Customer("salaboy", Customer.CustomerType.GOLD));
queryResults = ksession.getQueryResults("getResources", (Object[]) null);
assertEquals(7, ((Resources) queryResults.iterator().next().get("$r")).getAvailable());
ksession.insert(new Customer("platinum-customer", Customer.CustomerType.PLATINUM));
queryResults = ksession.getQueryResults("getResources", (Object[]) null);
assertEquals(2, ((Resources) queryResults.iterator().next().get("$r")).getAvailable());
ksession.insert(new Customer("starter", Customer.CustomerType.STARTER));
} catch (ConsequenceException e) {
assertEquals(true, e.getCause().getMessage().contains("No More Resources Available = "));
queryResults = ksession.getQueryResults("getResources", (Object[]) null);
// In this case, because the rules are starting the process, the Global Rule that checks
// the Resources Object will kick in just after the process ends.
// This is usually not a problem due to we will usually have long-running processes
// which will include a lot of wait states where the queued activations can kick in.
assertEquals(-1, ((Resources) queryResults.iterator().next().get("$r")).getAvailable());
}
}
use of org.drools.runtime.StatefulKnowledgeSession 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);
}
use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.
the class RuleBasedProcessSelectionTest method processSelectionNotEnoughResourcesPlusResourceInjection.
@Test
public void processSelectionNotEnoughResourcesPlusResourceInjection() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("rule_based_process_selection/smart-process-selection.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("rule_based_process_selection/platinum-customer-process.bpmn"), ResourceType.BPMN2);
kbuilder.add(new ClassPathResource("rule_based_process_selection/regular-customer-process.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 DefaultWorkingMemoryEventListener() {
@Override
public void objectInserted(ObjectInsertedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void objectUpdated(ObjectUpdatedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
ksession.addEventListener(new DefaultAgendaEventListener() {
@Override
public void activationCreated(ActivationCreatedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
ksession.addEventListener(new DefaultProcessEventListener() {
@Override
public void beforeNodeTriggered(ProcessNodeTriggeredEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void beforeNodeLeft(ProcessNodeLeftEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
Resources resources = new Resources(2);
FactHandle resourcesHandle = ksession.insert(resources);
Customer platinumCustomer = new Customer("Customer One", Customer.CustomerType.PLATINUM);
ksession.insert(platinumCustomer);
QueryResults queryResults = ksession.getQueryResults("getResources", (Object[]) null);
// No Process Was Started
assertEquals(2, ((Resources) queryResults.iterator().next().get("$r")).getAvailable());
queryResults = ksession.getQueryResults("getProcessByCustomer", platinumCustomer);
assertEquals(0, queryResults.size());
resources.setAvailable(6);
ksession.update(resourcesHandle, resources);
queryResults = ksession.getQueryResults("getResources", (Object[]) null);
assertEquals(1, ((Resources) queryResults.iterator().next().get("$r")).getAvailable());
queryResults = ksession.getQueryResults("getProcessByCustomer", platinumCustomer);
assertEquals(1, queryResults.size());
assertEquals("Platinum Customer Process", ((WorkflowProcessInstanceImpl) queryResults.iterator().next().get("$w")).getProcessName());
}
use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.
the class MyFirstDrools5FusionRulesTest method testPatternDetectionEvents.
@Test
public void testPatternDetectionEvents() {
StatefulKnowledgeSession ksession = createKnowledgeSession();
SessionPseudoClock clock = ksession.getSessionClock();
int fired = 0;
// Initial time 0s -> t0
ksession.insert(new KeyA());
fired = ksession.fireAllRules();
clock.advanceTime(15, TimeUnit.MILLISECONDS);
assertEquals(0, fired);
ksession.insert(new KeyS());
fired = ksession.fireAllRules();
clock.advanceTime(15, TimeUnit.MILLISECONDS);
assertEquals(0, fired);
ksession.insert(new KeyD());
fired = ksession.fireAllRules();
clock.advanceTime(15, TimeUnit.MILLISECONDS);
assertEquals(1, fired);
ksession.dispose();
}
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