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Example 1 with StatefulKnowledgeSession

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

the class MyFirstjBPM5ProcessTest method test.

@Test
public void test() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("firstDummyProcess.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);
    // We have our Session, now let's play with our Dummy Process
    ProcessInstance processInstance = ksession.createProcessInstance("DummyProcess", null);
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    ksession.startProcessInstance(processInstance.getId());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
}
Also used : KnowledgeBuilderError(org.drools.builder.KnowledgeBuilderError) KnowledgeBuilder(org.drools.builder.KnowledgeBuilder) KnowledgeBase(org.drools.KnowledgeBase) StatefulKnowledgeSession(org.drools.runtime.StatefulKnowledgeSession) ProcessInstance(org.drools.runtime.process.ProcessInstance) ClassPathResource(org.drools.io.impl.ClassPathResource) Test(org.junit.Test)

Example 2 with StatefulKnowledgeSession

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

the class MyFirstDrools5RulesTest method testSimpleRules.

@Test
public void testSimpleRules() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("simpleRules.drl"), ResourceType.DRL);
    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);
    // We have our Session, now let's play with our Simple Rules
    Person person = new Person("Salaboy", 28);
    ksession.insert(person);
    int fired = ksession.fireAllRules();
    assertEquals(4, fired);
    assertEquals(true, person.isEnabledToDrive());
    assertEquals(true, person.isEnabledToVote());
    assertEquals(true, person.isHappy());
    Person person2 = new Person("John", 19);
    ksession.insert(person2);
    fired = ksession.fireAllRules();
    assertEquals(3, fired);
    assertEquals(true, person2.isEnabledToDrive());
    assertEquals(false, person2.isEnabledToVote());
    assertEquals(true, person2.isHappy());
    Person person3 = new Person("Marie", 17);
    ksession.insert(person3);
    fired = ksession.fireAllRules();
    assertEquals(0, fired);
    assertEquals(false, person3.isEnabledToDrive());
    assertEquals(false, person3.isEnabledToVote());
    assertEquals(false, person3.isHappy());
    ksession.dispose();
}
Also used : KnowledgeBuilderError(org.drools.builder.KnowledgeBuilderError) KnowledgeBuilder(org.drools.builder.KnowledgeBuilder) KnowledgeBase(org.drools.KnowledgeBase) StatefulKnowledgeSession(org.drools.runtime.StatefulKnowledgeSession) Person(com.salaboy.model.Person) ClassPathResource(org.drools.io.impl.ClassPathResource) Test(org.junit.Test)

Example 3 with StatefulKnowledgeSession

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

the class TaskListJFrame method createSession.

// End of variables declaration//GEN-END:variables
private StatefulKnowledgeSession createSession() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    //Adds resources to the builder
    kbuilder.add(new ClassPathResource("rules/SimpleRulesAndTask.drl"), ResourceType.DRL);
    KnowledgeBuilderErrors errors = kbuilder.getErrors();
    //Checks for errors
    if (errors.size() > 0) {
        for (KnowledgeBuilderError error : errors) {
            System.out.println(error.getMessage());
        }
        throw new IllegalStateException("Error building kbase!");
    }
    //Creates a new kbase and add all the packages from the builder
    KnowledgeBaseConfiguration kbaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    kbaseConf.setOption(EventProcessingOption.STREAM);
    KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConf);
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSession myksession = kbase.newStatefulKnowledgeSession();
    HornetQHTWorkItemHandler hornetQHTWorkItemHandler = new HornetQHTWorkItemHandler(myksession);
    myksession.getWorkItemManager().registerWorkItemHandler("Human Task", hornetQHTWorkItemHandler);
    KnowledgeRuntimeLoggerFactory.newConsoleLogger(myksession);
    myksession.addEventListener(new DebugAgendaEventListener());
    return myksession;
}
Also used : KnowledgeBuilderError(org.drools.builder.KnowledgeBuilderError) DebugAgendaEventListener(org.drools.event.rule.DebugAgendaEventListener) KnowledgeBuilder(org.drools.builder.KnowledgeBuilder) HornetQHTWorkItemHandler(org.jbpm.process.workitem.wsht.HornetQHTWorkItemHandler) KnowledgeBase(org.drools.KnowledgeBase) KnowledgeBuilderErrors(org.drools.builder.KnowledgeBuilderErrors) KnowledgeBaseConfiguration(org.drools.KnowledgeBaseConfiguration) StatefulKnowledgeSession(org.drools.runtime.StatefulKnowledgeSession) ClassPathResource(org.drools.io.impl.ClassPathResource)

Example 4 with StatefulKnowledgeSession

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

the class AutoMappingVariablesTest method processVariablesAutoMappingTest.

@Test
public void processVariablesAutoMappingTest() throws InterruptedException {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("evolution/mapping.drl"), ResourceType.DRL);
    kbuilder.add(new ClassPathResource("evolution/scoring_processVariables.drl"), ResourceType.DRL);
    kbuilder.add(new ClassPathResource("evolution/process-automapping-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);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("person", person);
    ProcessInstance processInstance = ksession.createProcessInstance("com.salaboy.process.SimpleDecision", params);
    System.out.println("Variables: " + ((WorkflowProcessInstanceImpl) processInstance).getVariables());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_PENDING);
    FactHandle processtHandle = ksession.insert(processInstance);
    ksession.fireAllRules();
    ksession.startProcessInstance(processInstance.getId());
    assertEquals(processInstance.getState(), ProcessInstance.STATE_COMPLETED);
    QueryResults queryResults = ksession.getQueryResults("allProcessVariables", new Object[] {});
    Iterator<QueryResultsRow> iterator = queryResults.iterator();
    while (iterator.hasNext()) {
        QueryResultsRow next = iterator.next();
        assertEquals(person, ((ProcessVariable) next.get("$pv")).getValue());
    }
    ksession.retract(processtHandle);
}
Also used : KnowledgeBuilderError(org.drools.builder.KnowledgeBuilderError) HashMap(java.util.HashMap) FactHandle(org.drools.runtime.rule.FactHandle) StatefulKnowledgeSession(org.drools.runtime.StatefulKnowledgeSession) WorkflowProcessInstanceImpl(org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl) ClassPathResource(org.drools.io.impl.ClassPathResource) QueryResults(org.drools.runtime.rule.QueryResults) KnowledgeBuilder(org.drools.builder.KnowledgeBuilder) KnowledgeBase(org.drools.KnowledgeBase) QueryResultsRow(org.drools.runtime.rule.QueryResultsRow) ProcessInstance(org.drools.runtime.process.ProcessInstance) Person(com.salaboy.model.Person)

Example 5 with StatefulKnowledgeSession

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

the class GoodOldIntegrationPatterns method statelessGatewayCallTest.

@Test
public void statelessGatewayCallTest() {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(new ClassPathResource("good_old_patterns/process-stateless-rule-evaluation-rules-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());
    assertEquals(new Double(17500), new Double(car.getCurrentPrice()));
    assertEquals(6, car.getRanking());
}
Also used : KnowledgeBuilderError(org.drools.builder.KnowledgeBuilderError) HashMap(java.util.HashMap) StatefulKnowledgeSession(org.drools.runtime.StatefulKnowledgeSession) DefineCarPriceWorkItemHandler(com.salaboy.jbpm5.DefineCarPriceWorkItemHandler) ClassPathResource(org.drools.io.impl.ClassPathResource) Date(java.util.Date) KnowledgeBuilder(org.drools.builder.KnowledgeBuilder) KnowledgeBase(org.drools.KnowledgeBase) Car(com.salaboy.model.Car) ProcessInstance(org.drools.runtime.process.ProcessInstance) RankCarWorkItemHandler(com.salaboy.jbpm5.RankCarWorkItemHandler)

Aggregations

StatefulKnowledgeSession (org.drools.runtime.StatefulKnowledgeSession)42 KnowledgeBase (org.drools.KnowledgeBase)28 KnowledgeBuilder (org.drools.builder.KnowledgeBuilder)26 KnowledgeBuilderError (org.drools.builder.KnowledgeBuilderError)26 ClassPathResource (org.drools.io.impl.ClassPathResource)25 HashMap (java.util.HashMap)24 Test (org.junit.Test)21 Person (com.salaboy.model.Person)17 ProcessInstance (org.drools.runtime.process.ProcessInstance)17 DefaultProcessEventListener (org.drools.event.process.DefaultProcessEventListener)12 QueryResults (org.drools.runtime.rule.QueryResults)9 FactHandle (org.drools.runtime.rule.FactHandle)7 Resources (com.salaboy.model.Resources)6 ProcessNodeLeftEvent (org.drools.event.process.ProcessNodeLeftEvent)6 Customer (com.salaboy.model.Customer)5 RatesToday (com.salaboy.model.RatesToday)5 BusinessEntity (com.salaboy.sessions.patterns.BusinessEntity)5 InitialContext (javax.naming.InitialContext)5 EntityManager (javax.persistence.EntityManager)5 UserTransaction (javax.transaction.UserTransaction)5