use of org.drools.event.rule.DefaultAgendaEventListener in project jBPM5-Developer-Guide by Salaboy.
the class ServiceTaskTest method initializeSession.
private void initializeSession() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("HospitalInvokeInsuranceScenarioV1-data.bpmn"), ResourceType.BPMN2);
if (kbuilder.hasErrors()) {
KnowledgeBuilderErrors errors = kbuilder.getErrors();
for (KnowledgeBuilderError error : errors) {
System.out.println(">>> Error:" + error.getMessage());
}
throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
session = kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
session.addEventListener(new DefaultAgendaEventListener() {
@Override
public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
session.fireAllRules();
}
});
}
use of org.drools.event.rule.DefaultAgendaEventListener in project jBPM5-Developer-Guide by Salaboy.
the class AsyncWorkItemDontWaitForCompletionTest method initializeSession.
private void initializeSession() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
// We are using a proces containing a single Task. The task is configured
// to avoid waiting until the completion of the external system.
kbuilder.add(new ClassPathResource("async-work-item-nowait.bpmn"), ResourceType.BPMN2);
if (kbuilder.hasErrors()) {
KnowledgeBuilderErrors errors = kbuilder.getErrors();
for (KnowledgeBuilderError error : errors) {
System.out.println(">>> Error:" + error.getMessage());
}
throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
session = kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
session.addEventListener(new DefaultAgendaEventListener() {
@Override
public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
session.fireAllRules();
}
});
}
use of org.drools.event.rule.DefaultAgendaEventListener in project jBPM5-Developer-Guide by Salaboy.
the class AdvancedProcessAndRulesIntegrationTest method processVariablesAutoMappingPlusCastNoSafeCheckTest.
@Test
public void processVariablesAutoMappingPlusCastNoSafeCheckTest() throws InterruptedException {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("evolution/mapping.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("evolution/scoring_processVariables_wider.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("evolution/process-variables-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();
KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
Person person = new Person("Salaboy", 28);
RatesToday ratesToday = new RatesToday(1, 100);
Map<String, Object> params = new HashMap<String, Object>();
params.put("person", person);
params.put("ratesToday", ratesToday);
ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
System.out.println("Variables: " + ((WorkflowProcessInstanceImpl) processInstance).getVariables());
assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
final FactHandle processHandle = ksession.insert(processInstance);
ksession.addEventListener(new DefaultAgendaEventListener() {
@Override
public void activationCreated(ActivationCreatedEvent event) {
System.out.println("Firing All the Rules! " + event);
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
System.out.println("Firing All the Rules! " + event);
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
ksession.addEventListener(new DefaultProcessEventListener() {
@Override
public void beforeProcessStarted(ProcessStartedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void afterProcessStarted(ProcessStartedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void afterProcessCompleted(ProcessCompletedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).retract(processHandle);
}
});
ksession.startProcessInstance(processInstance.getId());
// // If you want to query the process variables while the process Instance is running you can do:
// // But remember that the activities inside the process are all sync.
// QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[]{});
// Iterator<QueryResultsRow> iterator = queryResults.iterator();
//
// QueryResultsRow ratesRow = iterator.next();
// assertEquals(ratesToday, ((ProcessVariable) ratesRow.get("$pv")).getValue());
//
// QueryResultsRow personRow = iterator.next();
// assertEquals(person, ((ProcessVariable) personRow.get("$pv")).getValue());
assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[] {});
// The Process Variables are automatically retracted when the Process Instance is Completed
assertEquals(0, queryResults.size());
}
use of org.drools.event.rule.DefaultAgendaEventListener in project jBPM5-Developer-Guide by Salaboy.
the class AdvancedProcessAndRulesIntegrationTest method processEventsTest.
@Test
public void processEventsTest() throws InterruptedException {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(new ClassPathResource("evolution/mapping.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("evolution/scoring_processVariables_wider.drl"), ResourceType.DRL);
kbuilder.add(new ClassPathResource("evolution/process-events-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.getWorkItemManager().registerWorkItemHandler("Human Task", new WorkItemHandler() {
public void executeWorkItem(WorkItem wi, WorkItemManager wim) {
System.out.println(" >>> Completing Task! -> " + wi.getName() + " - id: " + wi.getId());
wim.completeWorkItem(wi.getId(), null);
}
public void abortWorkItem(WorkItem wi, WorkItemManager wim) {
throw new UnsupportedOperationException("Not supported yet.");
}
});
KnowledgeRuntimeLoggerFactory.newConsoleLogger(ksession);
ksession.addEventListener(new DefaultAgendaEventListener() {
@Override
public void activationCreated(ActivationCreatedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
});
Person person = new Person("Salaboy", 28);
RatesToday ratesToday = new RatesToday(1, 100);
Map<String, Object> params = new HashMap<String, Object>();
params.put("person", person);
params.put("ratesToday", ratesToday);
ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
System.out.println("Variables: " + ((WorkflowProcessInstanceImpl) processInstance).getVariables());
assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
final FactHandle processHandle = ksession.insert(processInstance);
((StatefulKnowledgeSessionImpl) ksession).addEventListener(new DefaultProcessEventListener() {
@Override
public void beforeProcessStarted(ProcessStartedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void afterProcessStarted(ProcessStartedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
}
@Override
public void afterProcessCompleted(ProcessCompletedEvent event) {
((StatefulKnowledgeSession) event.getKnowledgeRuntime()).retract(processHandle);
}
});
ksession.startProcessInstance(processInstance.getId());
Thread.sleep(1000);
// // If you want to query the process variables while the process Instance is running you can do:
// QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[]{});
// Iterator<QueryResultsRow> iterator = queryResults.iterator();
//
// QueryResultsRow ratesRow = iterator.next();
// assertEquals(ratesToday, ((ProcessVariable) ratesRow.get("$pv")).getValue());
//
// QueryResultsRow personRow = iterator.next();
// assertEquals(person, ((ProcessVariable) personRow.get("$pv")).getValue());
assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[] {});
// The Process Variables are automatically retracted when the Process Instance is Completed
assertEquals(0, queryResults.size());
}
use of org.drools.event.rule.DefaultAgendaEventListener in project jBPM5-Developer-Guide by Salaboy.
the class EmergencyBedRequestBaseTest method initializeSession.
/**
* Compiles the resources indicated by the concrete implementation of
* this class (using {@link #getResources()} abstract method.
* If there is any compilation error an {@link IllegalStateException} is
* thrown.
* After the resources are compiled, a kbase is created and populated with
* the resulting knowledge package/s.
* From this kbase, a new StatefulKnowledgeSession is created. The session
* is configured with 2 listeners:
* 1.- An Agenda event listener that will fireAllRules() every time an
* activation happens
* 2.- A Process event listener that will insert the process instance as
* a Fact once a process is started.
*/
private void initializeSession() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
for (Map.Entry<Resource, ResourceType> entry : this.getResources().entrySet()) {
kbuilder.add(entry.getKey(), entry.getValue());
}
if (kbuilder.hasErrors()) {
KnowledgeBuilderErrors errors = kbuilder.getErrors();
for (KnowledgeBuilderError error : errors) {
System.out.println(">>> Error:" + error.getMessage());
}
throw new IllegalStateException(">>> Knowledge couldn't be parsed! ");
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
session = kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeLoggerFactory.newConsoleLogger(session);
session.addEventListener(new DefaultAgendaEventListener() {
@Override
public void afterRuleFlowGroupActivated(org.drools.event.rule.RuleFlowGroupActivatedEvent event) {
session.fireAllRules();
}
});
session.addEventListener(new DefaultProcessEventListener() {
@Override
public void beforeProcessStarted(ProcessStartedEvent event) {
session.insert(event.getProcessInstance());
}
});
}
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