Examples with StatefulKnowledgeSession org.drools.runtime.StatefulKnowledgeSession used on opensource projects

Example 6 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class GoodOldIntegrationPatterns method statelessDecisionTest.

@Test
public void statelessDecisionTest() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("good_old_patterns/process-stateless-rule-evaluation-java-gateway.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, 25000);
    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);
}

Example 7 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class MultiProcessEvaluationTest method testMultiProcessEvaluation.

@Test
public void testMultiProcessEvaluation() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("multi_process_evaluation/resources.drl"), ResourceType.DRL);
    kbuilder.add(new ClassPathResource("multi_process_evaluation/multi-process-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);
    try {
        ksession.addEventListener(new DefaultAgendaEventListener() {

            @Override
            public void activationCreated(ActivationCreatedEvent event) {
                System.out.println(">>> Firing All the Rules on Activation Created " + event);
                ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
            }
        });
        ksession.addEventListener(new DefaultProcessEventListener() {

            @Override
            public void beforeNodeTriggered(ProcessNodeTriggeredEvent event) {
                System.out.println(">>> Firing All the Rules before node triggered! " + event);
                ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
            }

            @Override
            public void beforeNodeLeft(ProcessNodeLeftEvent event) {
                System.out.println(">>> Firing All the Rules before node triggered! " + event);
                ((StatefulKnowledgeSession) event.getKnowledgeRuntime()).fireAllRules();
            }
        });
        Map<String, Object> params = new HashMap<String, Object>();
        ksession.insert(new Resources(50));
        for (int i = 1; i < 16; i++) {
            ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
            ksession.insert(processInstance);
            assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
            System.out.println(" ----------------- ##### -----------------");
            System.out.println(" ----- Starting Process Number : " + i + " ----");
            System.out.println(" ----------------- ##### -----------------");
            ksession.startProcessInstance(processInstance.getId());
            assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
            System.out.println(" ----------------- ##### -----------------");
            System.out.println(" ----- Process Number : " + i + " Completed ----");
            System.out.println(" ----------------- ##### -----------------");
        }
    } catch (WorkflowRuntimeException e) {
        assertEquals(true, e.getCause().getMessage().contains("No More Resources Available = "));
    }
}

Example 8 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class NewCommonIntegrationPatternsTest method testSimpleDecisionWithRules.

@Test
public void testSimpleDecisionWithRules() {
    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());
    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);
    ksession.insert(processInstance);
    ksession.insert(person);
    ksession.insert(new RatesToday(3, 5));
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    ksession.startProcessInstance(processInstance.getId());
    // We need to fire all the rules in order to execute the activated rules
    ksession.fireAllRules();
    assertEquals(84, person.getScore());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}

Example 9 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class NewCommonIntegrationPatternsTest method testSimpleDecisionWithReactiveRules.

@Test
public void testSimpleDecisionWithReactiveRules() throws InterruptedException {
    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);
    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);
    ksession.insert(processInstance);
    ksession.insert(person);
    ksession.insert(new RatesToday(3, 5));
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    ksession.startProcessInstance(processInstance.getId());
    ksession.fireAllRules();
    // We need to wait a little because we are in reactive mode
    Thread.sleep(1000);
    assertEquals(84, person.getScore());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}

Example 10 with StatefulKnowledgeSession

use of org.drools.runtime.StatefulKnowledgeSession in project jBPM5-Developer-Guide by Salaboy.

the class NewCommonIntegrationPatternsTest method testSimpleRulesDecision.

@Test
public void testSimpleRulesDecision() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    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());
    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);
    ksession.insert(processInstance);
    ksession.insert(person);
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    ksession.startProcessInstance(processInstance.getId());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}