Examples with ConsequenceException org.drools.runtime.rule.ConsequenceException used on opensource projects

Example 1 with ConsequenceException

use of org.drools.runtime.rule.ConsequenceException 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());
    }
}