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Example 6 with ProcessNodeLeftEvent

use of org.drools.event.process.ProcessNodeLeftEvent 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());
}
Also used : KnowledgeBuilderError(org.drools.builder.KnowledgeBuilderError) FactHandle(org.drools.runtime.rule.FactHandle) Customer(com.salaboy.model.Customer) StatefulKnowledgeSession(org.drools.runtime.StatefulKnowledgeSession) ClassPathResource(org.drools.io.impl.ClassPathResource) QueryResults(org.drools.runtime.rule.QueryResults) KnowledgeBuilder(org.drools.builder.KnowledgeBuilder) KnowledgeBase(org.drools.KnowledgeBase) DefaultProcessEventListener(org.drools.event.process.DefaultProcessEventListener) ProcessNodeTriggeredEvent(org.drools.event.process.ProcessNodeTriggeredEvent) Resources(com.salaboy.model.Resources) ProcessNodeLeftEvent(org.drools.event.process.ProcessNodeLeftEvent) Test(org.junit.Test)

Aggregations

Resources (com.salaboy.model.Resources)6 KnowledgeBase (org.drools.KnowledgeBase)6 KnowledgeBuilder (org.drools.builder.KnowledgeBuilder)6 KnowledgeBuilderError (org.drools.builder.KnowledgeBuilderError)6 DefaultProcessEventListener (org.drools.event.process.DefaultProcessEventListener)6 ProcessNodeLeftEvent (org.drools.event.process.ProcessNodeLeftEvent)6 ClassPathResource (org.drools.io.impl.ClassPathResource)6 StatefulKnowledgeSession (org.drools.runtime.StatefulKnowledgeSession)6 Test (org.junit.Test)6 Customer (com.salaboy.model.Customer)5 ProcessNodeTriggeredEvent (org.drools.event.process.ProcessNodeTriggeredEvent)5 QueryResults (org.drools.runtime.rule.QueryResults)5 HashMap (java.util.HashMap)1 ProcessInstance (org.drools.runtime.process.ProcessInstance)1 ConsequenceException (org.drools.runtime.rule.ConsequenceException)1 FactHandle (org.drools.runtime.rule.FactHandle)1 WorkflowRuntimeException (org.jbpm.workflow.instance.WorkflowRuntimeException)1