Examples with KieSession org.kie.api.runtime.KieSession used on opensource projects

Example 91 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class MarshallingTest method testAccumulateSessionSerialization.

@Test
public void testAccumulateSessionSerialization() throws Exception {
    KieBase kbase = loadKnowledgeBase("../test_AccumulateSerialization.drl");
    KieSession ksession = kbase.newKieSession();
    final List<Number> results = new ArrayList<Number>();
    ksession.setGlobal("results", results);
    ksession.insert(new Cheese("stilton", 10));
    ksession.insert(new Cheese("brie", 5));
    ksession.insert(new Cheese("provolone", 150));
    ksession.insert(new Cheese("brie", 20));
    ksession.insert(new Person("Bob", "brie"));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(1, results.size());
    assertEquals(25, results.get(0).intValue());
}

Example 92 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class MarshallingTest method testNot.

@Test
public void testNot() throws Exception {
    String header = "package org.drools.compiler.test;\n";
    header += "import java.util.List;\n";
    header += "import org.drools.compiler.Person\n";
    header += "import org.drools.compiler.Cheese\n";
    header += "global java.util.List list;\n";
    String rule1 = "rule \"not rule test\"\n";
    rule1 += "salience 10\n";
    rule1 += "when\n";
    rule1 += "    Person()\n";
    rule1 += "    not Cheese( price >= 5 )\n";
    rule1 += "then\n";
    rule1 += "    list.add( new Integer( 5 ) );\n";
    rule1 += "end\n";
    KieBase kBase = loadKnowledgeBaseFromString(header + rule1);
    Environment env = EnvironmentFactory.newEnvironment();
    env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES, new ObjectMarshallingStrategy[] { new IdentityPlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT) });
    KieSession ksession = kBase.newKieSession(null, env);
    List list = new ArrayList();
    ksession.setGlobal("list", list);
    // add a person, no cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Person bobba = new Person("bobba fet", 50);
    ksession.insert(bobba);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(1, list.size());
    // add another person, no cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Person darth = new Person("darth vadar", 200);
    ksession.insert(darth);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(2, list.size());
    // add cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Cheese stilton = new Cheese("stilton", 5);
    ksession.insert(stilton);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(2, list.size());
    // remove cheese
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.retract(ksession.getFactHandle(stilton));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // put 2 cheeses back in
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.insert(stilton);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    Cheese brie = new Cheese("brie", 18);
    ksession.insert(brie);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // now remove a cheese, should be no change
    ksession.retract(ksession.getFactHandle(stilton));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // now remove a person, should be no change
    ksession.retract(ksession.getFactHandle(bobba));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(4, list.size());
    // removal remaining cheese, should increase by one, as one person left
    ksession.retract(ksession.getFactHandle(brie));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(5, list.size());
}

Example 93 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class MarshallingTest method testScheduledActivation.

@Test
@Ignore("This test is suspicious to say the least...")
public void testScheduledActivation() {
    KnowledgeBaseImpl knowledgeBase = (KnowledgeBaseImpl) KnowledgeBaseFactory.newKnowledgeBase();
    KnowledgePackageImpl impl = new KnowledgePackageImpl("test");
    BuildContext buildContext = new BuildContext(knowledgeBase);
    // simple rule that fires after 10 seconds
    final RuleImpl rule = new RuleImpl("test-rule");
    new RuleTerminalNode(1, new MockTupleSource(2), rule, rule.getLhs(), 0, buildContext);
    final List<String> fired = new ArrayList<String>();
    rule.setConsequence(new Consequence() {

        public void evaluate(KnowledgeHelper knowledgeHelper, WorkingMemory workingMemory) throws Exception {
            fired.add("a");
        }

        public String getName() {
            return "default";
        }
    });
    rule.setTimer(new DurationTimer(10000));
    rule.setPackage("test");
    impl.addRule(rule);
    knowledgeBase.addPackages(Collections.singleton(impl));
    SessionConfiguration config = SessionConfiguration.newInstance();
    config.setClockType(ClockType.PSEUDO_CLOCK);
    KieSession ksession = knowledgeBase.newKieSession(config, KieServices.get().newEnvironment());
    PseudoClockScheduler scheduler = (PseudoClockScheduler) ksession.<SessionClock>getSessionClock();
    Marshaller marshaller = MarshallerFactory.newMarshaller(knowledgeBase);
    ksession.insert("cheese");
    assertTrue(fired.isEmpty());
    // marshall, then unmarshall session
    readWrite(knowledgeBase, ksession, config);
    // the activations should fire after 10 seconds
    assertTrue(fired.isEmpty());
    scheduler.advanceTime(12, TimeUnit.SECONDS);
    assertFalse(fired.isEmpty());
}

Example 94 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class MarshallingTest method testSerializeAdd.

@Test
public void testSerializeAdd() throws Exception {
    Collection<KiePackage> kpkgs = loadKnowledgePackages("../test_Dynamic1.drl");
    kpkgs = SerializationHelper.serializeObject(kpkgs);
    InternalKnowledgeBase kBase = (InternalKnowledgeBase) getKnowledgeBase();
    kBase.addPackages(kpkgs);
    kBase = SerializationHelper.serializeObject(kBase);
    KieSession session = kBase.newKieSession();
    List list = new ArrayList();
    session.setGlobal("list", list);
    InternalFactHandle stilton = (InternalFactHandle) session.insert(new Cheese("stilton", 10));
    InternalFactHandle brie = (InternalFactHandle) session.insert(new Cheese("brie", 10));
    session.fireAllRules();
    assertEquals(list.size(), 1);
    assertEquals("stilton", list.get(0));
    // now recreate the rulebase, deserialize the session and test it
    session = SerializationHelper.getSerialisedStatefulKnowledgeSession(session, kBase, true);
    list = (List) session.getGlobal("list");
    assertNotNull(list);
    assertEquals(list.size(), 1);
    assertEquals("stilton", list.get(0));
    kpkgs = loadKnowledgePackages("../test_Dynamic3.drl");
    kpkgs = SerializationHelper.serializeObject(kpkgs);
    kBase.addPackages(kpkgs);
    InternalFactHandle stilton2 = (InternalFactHandle) session.insert(new Cheese("stilton", 10));
    InternalFactHandle brie2 = (InternalFactHandle) session.insert(new Cheese("brie", 10));
    InternalFactHandle bob = (InternalFactHandle) session.insert(new Person("bob", 30));
    session.fireAllRules();
    assertEquals(list.size(), 3);
    assertEquals(bob.getObject(), list.get(2));
    assertEquals("stilton", list.get(1));
    session.dispose();
}

Example 95 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class MarshallingTest method testSingleRuleSingleJoinNodePattern.

@Test
public void testSingleRuleSingleJoinNodePattern() throws Exception {
    String rule = "package org.drools.compiler.test;\n";
    rule += "import org.drools.compiler.Person\n";
    rule += "import org.drools.compiler.Cheese\n";
    rule += "global java.util.List list\n";
    rule += "rule \"Rule 1\"\n";
    rule += "when\n";
    rule += "    $c : Cheese( ) \n";
    rule += "    $p : Person( cheese == $c ) \n";
    rule += "then\n";
    rule += "    list.add( $p );\n";
    rule += "end";
    KieBase kBase = loadKnowledgeBaseFromString(rule);
    // Make sure the rete node map is created correctly
    Map<Integer, BaseNode> nodes = RuleBaseNodes.getNodeMap((InternalKnowledgeBase) kBase);
    assertEquals(5, nodes.size());
    assertEquals("Cheese", ((ClassObjectType) ((ObjectTypeNode) nodes.get(3)).getObjectType()).getClassType().getSimpleName());
    assertEquals("Person", ((ClassObjectType) ((ObjectTypeNode) nodes.get(5)).getObjectType()).getClassType().getSimpleName());
    assertTrue("Should end with JoinNode", nodes.get(6).getClass().getSimpleName().endsWith("JoinNode"));
    assertEquals("Rule 1", ((RuleTerminalNode) nodes.get(7)).getRule().getName());
    KieSession session = kBase.newKieSession();
    List list = new ArrayList();
    session.setGlobal("list", list);
    Cheese stilton = new Cheese("stilton", 25);
    Cheese brie = new Cheese("brie", 49);
    Person bobba = new Person("bobba fet", 32);
    bobba.setCheese(stilton);
    Person vadar = new Person("darth vadar", 32);
    session.insert(stilton);
    session.insert(bobba);
    session.insert(vadar);
    session.insert(brie);
    session = SerializationHelper.getSerialisedStatefulKnowledgeSession(session, kBase, true);
    session.fireAllRules();
    assertEquals(1, ((List) session.getGlobal("list")).size());
    assertEquals(bobba, ((List) session.getGlobal("list")).get(0));
    Person c3po = new Person("c3p0", 32);
    c3po.setCheese(stilton);
    session.insert(c3po);
    session = SerializationHelper.getSerialisedStatefulKnowledgeSession(session, kBase, true);
    session.fireAllRules();
    assertEquals(2, ((List) session.getGlobal("list")).size());
    assertEquals(c3po, ((List) session.getGlobal("list")).get(1));
    Person r2d2 = new Person("r2d2", 32);
    r2d2.setCheese(brie);
    session.insert(r2d2);
    session = SerializationHelper.getSerialisedStatefulKnowledgeSession(session, kBase, true);
    session.fireAllRules();
    assertEquals(3, ((List) session.getGlobal("list")).size());
    assertEquals(r2d2, ((List) session.getGlobal("list")).get(2));
}