Examples with InternalKnowledgeBase org.drools.core.impl.InternalKnowledgeBase used on opensource projects

Example 1 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertions.

@Test(timeout = 10000)
public void testLogicalInsertions() throws Exception {
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertions.drl", getClass()), ResourceType.DRL);
    Collection<KiePackage> kpkgs = kbuilder.getKnowledgePackages();
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kpkgs);
    kbase = SerializationHelper.serializeObject(kbase);
    KieSession session = createKnowledgeSession(kbase);
    final List list = new ArrayList();
    session.setGlobal("list", list);
    final Cheese brie = new Cheese("brie", 12);
    FactHandle brieHandle = session.insert(brie);
    final Cheese provolone = new Cheese("provolone", 12);
    FactHandle provoloneHandle = session.insert(provolone);
    session.fireAllRules();
    session = getSerialisedStatefulKnowledgeSession(session, true);
    System.out.println(list);
    assertEquals(3, list.size());
    assertEquals(3, session.getObjects().size());
    brieHandle = getFactHandle(brieHandle, session);
    session.retract(brieHandle);
    session = getSerialisedStatefulKnowledgeSession(session, true);
    assertEquals(2, session.getObjects().size());
    provoloneHandle = getFactHandle(provoloneHandle, session);
    session.retract(provoloneHandle);
    session.fireAllRules();
    assertEquals(0, session.getObjects().size());
}

Example 2 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertionsDynamicRule.

// timeout=10000)
@Test()
public void testLogicalInsertionsDynamicRule() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertionsDynamicRule.drl", getClass()), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    Collection<KiePackage> kpkgs = kbuilder.getKnowledgePackages();
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) getKnowledgeBase();
    kbase.addPackages(kpkgs);
    KieSession ksession = createKnowledgeSession(kbase);
    final Cheese c1 = new Cheese("a", 1);
    final Cheese c2 = new Cheese("b", 2);
    final Cheese c3 = new Cheese("c", 3);
    List list;
    ksession.insert(c1);
    FactHandle h = ksession.insert(c2);
    ksession.insert(c3);
    ksession.fireAllRules();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    // Check logical Insertions where made for c2 and c3
    list = new ArrayList(ksession.getObjects(new ClassObjectFilter(Person.class)));
    assertEquals(2, list.size());
    assertFalse(list.contains(new Person(c1.getType())));
    assertTrue(list.contains(new Person(c2.getType())));
    assertTrue(list.contains(new Person(c3.getType())));
    // this rule will make a logical assertion for c1 too
    kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertionsDynamicRule2.drl", getClass()), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    Collection<KiePackage> kpkgs2 = kbuilder.getKnowledgePackages();
    kbase.addPackages(kpkgs2);
    kbase = SerializationHelper.serializeObject(kbase);
    ksession.fireAllRules();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    kbase = (InternalKnowledgeBase) ksession.getKieBase();
    // check all now have just one logical assertion each
    list = new ArrayList(ksession.getObjects(new ClassObjectFilter(Person.class)));
    assertEquals(3, list.size());
    assertTrue(list.contains(new Person(c1.getType())));
    assertTrue(list.contains(new Person(c2.getType())));
    assertTrue(list.contains(new Person(c3.getType())));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    // check the packages are correctly populated
    assertEquals(3, kbase.getKiePackages().size());
    KiePackage test = null, test2 = null;
    // different JVMs return the package list in different order
    for (KiePackage kpkg : kbase.getKiePackages()) {
        if (kpkg.getName().equals("org.drools.compiler.test")) {
            test = kpkg;
        } else if (kpkg.getName().equals("org.drools.compiler.test2")) {
            test2 = kpkg;
        }
    }
    assertNotNull(test);
    assertNotNull(test2);
    assertEquals("rule1", test.getRules().iterator().next().getName());
    assertEquals("rule2", test2.getRules().iterator().next().getName());
    // now remove the first rule
    kbase.removeRule(test.getName(), test.getRules().iterator().next().getName());
    // different JVMs return the package list in different order
    for (KiePackage kpkg : kbase.getKiePackages()) {
        if (kpkg.getName().equals("org.drools.compiler.test")) {
            test = kpkg;
        } else if (kpkg.getName().equals("org.drools.compiler.test2")) {
            test2 = kpkg;
        }
    }
    assertNotNull(test);
    assertNotNull(test2);
    // Check the rule was correctly remove
    assertEquals(0, test.getRules().size());
    assertEquals(1, test2.getRules().size());
    assertEquals("rule2", test2.getRules().iterator().next().getName());
    list = new ArrayList(ksession.getObjects(new ClassObjectFilter(Person.class)));
    assertEquals("removal of the rule should result in retraction of c3's logical assertion", 2, list.size());
    assertTrue("c1's logical assertion should not be deleted", list.contains(new Person(c1.getType())));
    assertTrue("c2's logical assertion should  not be deleted", list.contains(new Person(c2.getType())));
    assertFalse("c3's logical assertion should be  deleted", list.contains(new Person(c3.getType())));
    c2.setPrice(3);
    h = getFactHandle(h, ksession);
    ksession.update(h, c2);
    ksession.fireAllRules();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    list = new ArrayList(ksession.getObjects(new ClassObjectFilter(Person.class)));
    assertEquals("c2 now has a higher price, its logical assertion should  be cancelled", 1, list.size());
    assertFalse("The logical assertion cor c2 should have been deleted", list.contains(new Person(c2.getType())));
    assertTrue("The logical assertion  for c1 should exist", list.contains(new Person(c1.getType())));
    // different JVMs return the package list in different order
    for (KiePackage kpkg : kbase.getKiePackages()) {
        if (kpkg.getName().equals("org.drools.compiler.test")) {
            test = kpkg;
        } else if (kpkg.getName().equals("org.drools.compiler.test2")) {
            test2 = kpkg;
        }
    }
    assertNotNull(test);
    assertNotNull(test2);
    kbase.removeRule(test2.getName(), test2.getRules().iterator().next().getName());
    kbase = SerializationHelper.serializeObject(kbase);
    // different JVMs return the package list in different order
    for (KiePackage kpkg : kbase.getKiePackages()) {
        if (kpkg.getName().equals("org.drools.compiler.test")) {
            test = kpkg;
        } else if (kpkg.getName().equals("org.drools.compiler.test2")) {
            test2 = kpkg;
        }
    }
    assertNotNull(test);
    assertNotNull(test2);
    assertEquals(0, test.getRules().size());
    assertEquals(0, test2.getRules().size());
    list = new ArrayList(ksession.getObjects(new ClassObjectFilter(Person.class)));
    assertEquals(0, list.size());
}

Example 3 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertionsLoop.

@Test(timeout = 10000)
public void testLogicalInsertionsLoop() throws Exception {
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertionsLoop.drl", getClass()), ResourceType.DRL);
    Collection<KiePackage> kpkgs = kbuilder.getKnowledgePackages();
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kpkgs);
    kbase = SerializationHelper.serializeObject(kbase);
    final KieSession session = createKnowledgeSession(kbase);
    final List l = new ArrayList();
    final Person a = new Person("a");
    session.setGlobal("a", a);
    session.setGlobal("l", l);
    session.fireAllRules();
    Collection<?> list = session.getObjects(new ClassObjectFilter(a.getClass()));
    assertEquals("a still asserted.", 0, list.size());
    assertEquals("Rule has not fired (looped) expected number of times", 10, l.size());
}

Example 4 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertionsModifySameRuleGivesDifferentLogicalInsertion.

@Test(timeout = 10000)
public void testLogicalInsertionsModifySameRuleGivesDifferentLogicalInsertion() throws Exception {
    // TODO JBRULES-1804
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertionsModifySameRuleGivesDifferentLogicalInsertion.drl", getClass()), ResourceType.DRL);
    Collection<KiePackage> pkgs = kbuilder.getKnowledgePackages();
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) getKnowledgeBase();
    kbase.addPackages(pkgs);
    kbase = SerializationHelper.serializeObject(kbase);
    KieSession session = createKnowledgeSession(kbase);
    Sensor sensor1 = new Sensor(100, 0);
    FactHandle sensor1Handle = session.insert(sensor1);
    Sensor sensor2 = new Sensor(200, 0);
    FactHandle sensor2Handle = session.insert(sensor2);
    Sensor sensor3 = new Sensor(200, 0);
    FactHandle sensor3Handle = session.insert(sensor3);
    session.fireAllRules();
    session = getSerialisedStatefulKnowledgeSession(session, true);
    List temperatureList = new ArrayList(session.getObjects(new ClassObjectFilter(Integer.class)));
    assertTrue(temperatureList.contains(Integer.valueOf(100)));
    assertTrue(temperatureList.contains(Integer.valueOf(200)));
    assertEquals(2, temperatureList.size());
    sensor1.setTemperature(150);
    sensor1Handle = getFactHandle(sensor1Handle, session);
    session.update(sensor1Handle, sensor1);
    session = getSerialisedStatefulKnowledgeSession(session, true);
    session.fireAllRules();
    temperatureList = new ArrayList(session.getObjects(new ClassObjectFilter(Integer.class)));
    assertFalse(temperatureList.contains(Integer.valueOf(100)));
    assertTrue(temperatureList.contains(Integer.valueOf(150)));
    assertTrue(temperatureList.contains(Integer.valueOf(200)));
    assertEquals(2, temperatureList.size());
}

Example 5 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class TruthMaintenanceTest method testTMSwithQueries.

@Test(timeout = 10000)
public void testTMSwithQueries() {
    String str = "" + "package org.drools.compiler.test;\n" + "\n" + "global java.util.List list; \n" + "\n" + "declare Bean\n" + "    str : String\n" + "end\n" + "\n" + "query bean ( String $s )\n" + "    Bean(  $s ; )\n" + "end\n" + "\n" + "\n" + "rule \"init\"\n" + "when\n" + "then\n" + "    insert( new Bean(\"AAA\") );\n" + "    insert( \"x\" );\n" + "end\n" + "\n" + "rule \"LogicIn\"\n" + "when\n" + "    String( this == \"x\" )\n" + "    ?bean(  \"AAA\" ; )\n" + "then\n" + "    insertLogical(\"y\");\n" + "    retract(\"x\");\n" + "end " + "\n" + "rule \"Never\"\n" + "salience -999\n" + "when\n" + "    $s : String( this == \"y\" )\n" + "then\n" + "    list.add($s);\n" + "end";
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    KieSession kSession = createKnowledgeSession(kbase);
    List list = new ArrayList();
    kSession.setGlobal("list", list);
    kSession.fireAllRules();
    assertEquals(0, list.size());
// System.err.println(reportWMObjects(kSession));
}