Examples with ClassObjectFilter org.drools.core.ClassObjectFilter used on opensource projects

Example 21 with ClassObjectFilter

use of org.drools.core.ClassObjectFilter in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertionsBacking.

@Test(timeout = 10000)
public void testLogicalInsertionsBacking() throws Exception {
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertionsBacking.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 Cheese cheese1 = new Cheese("c", 1);
    final Cheese cheese2 = new Cheese(cheese1.getType(), 1);
    FactHandle h1 = session.insert(cheese1);
    session.fireAllRules();
    session = getSerialisedStatefulKnowledgeSession(session, true);
    Collection<?> list = session.getObjects(new ClassObjectFilter(cheese1.getType().getClass()));
    assertEquals(1, list.size());
    // probably dangerous, as contains works with equals, not identity
    assertEquals(cheese1.getType(), list.iterator().next());
    FactHandle h2 = session.insert(cheese2);
    session.fireAllRules();
    session = getSerialisedStatefulKnowledgeSession(session, true);
    list = session.getObjects(new ClassObjectFilter(cheese1.getType().getClass()));
    assertEquals(1, list.size());
    assertEquals(cheese1.getType(), list.iterator().next());
    assertEquals(3, session.getObjects().size());
    h1 = getFactHandle(h1, session);
    session.retract(h1);
    session = getSerialisedStatefulKnowledgeSession(session, true);
    session.fireAllRules();
    session = getSerialisedStatefulKnowledgeSession(session, true);
    list = session.getObjects(new ClassObjectFilter(cheese1.getType().getClass()));
    assertEquals("cheese-type " + cheese1.getType() + " was deleted, but should not. Backed by cheese2 => type.", 1, list.size());
    assertEquals("cheese-type " + cheese1.getType() + " was deleted, but should not. Backed by cheese2 => type.", cheese1.getType(), list.iterator().next());
    h2 = getFactHandle(h2, session);
    session.retract(h2);
    session = getSerialisedStatefulKnowledgeSession(session, true);
    session.fireAllRules();
    session = getSerialisedStatefulKnowledgeSession(session, true);
    list = session.getObjects(new ClassObjectFilter(cheese1.getType().getClass()));
    assertEquals("cheese-type " + cheese1.getType() + " was not deleted, but should have. Neither  cheese1 => type nor cheese2 => type is true.", 0, list.size());
}

Example 22 with ClassObjectFilter

use of org.drools.core.ClassObjectFilter in project drools by kiegroup.

the class TruthMaintenanceTest method testDeleteLogicalAssertion.

@Test
public void testDeleteLogicalAssertion() {
    // BZ-1317026
    String drl = "rule R1 when\n" + "then\n" + "    insertLogical( \"test\" ); \n" + "end\n";
    KieSession ksession = new KieHelper().addContent(drl, ResourceType.DRL).build().newKieSession();
    ksession.fireAllRules();
    Collection<FactHandle> fhs = ksession.getFactHandles(new ClassObjectFilter(String.class));
    assertEquals(1, fhs.size());
    for (FactHandle fh : fhs) {
        ksession.delete(fh);
    }
    fhs = ksession.getFactHandles(new ClassObjectFilter(String.class));
    assertEquals(0, fhs.size());
}

Example 23 with ClassObjectFilter

use of org.drools.core.ClassObjectFilter in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertionsAccumulatorPattern.

@Test(timeout = 10000)
public void testLogicalInsertionsAccumulatorPattern() throws Exception {
    // JBRULES-449
    KieBase kbase = loadKnowledgeBase("test_LogicalInsertionsAccumulatorPattern.drl");
    kbase = SerializationHelper.serializeObject(kbase);
    KieSession ksession = kbase.newKieSession();
    ksession.setGlobal("ga", "a");
    ksession.setGlobal("gb", "b");
    ksession.setGlobal("gs", new Short((short) 3));
    ksession.fireAllRules();
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    FactHandle h = ksession.insert(new Integer(6));
    assertEquals(1, ksession.getObjects().size());
    ksession.fireAllRules();
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    assertEquals("There should be 2 CheeseEqual in Working Memory, 1 justified, 1 stated", 2, ksession.getObjects(new ClassObjectFilter(CheeseEqual.class)).size());
    assertEquals(6, ksession.getObjects().size());
    h = getFactHandle(h, ksession);
    ksession.retract(h);
    ksession.fireAllRules();
    for (Object o : ksession.getObjects()) {
        System.out.println(o);
    }
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    assertEquals(0, ksession.getObjects(new ClassObjectFilter(CheeseEqual.class)).size());
    assertEquals(0, ksession.getObjects(new ClassObjectFilter(Short.class)).size());
    assertEquals(0, ksession.getObjects().size());
}

Example 24 with ClassObjectFilter

use of org.drools.core.ClassObjectFilter in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertionsSelfreferencing.

// (timeout=10000)
@Test
public // @Ignore
void testLogicalInsertionsSelfreferencing() throws Exception {
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertionsSelfreferencing.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 Person b = new Person("b");
    final Person a = new Person("a");
    session.setGlobal("b", b);
    FactHandle h1 = session.insert(a);
    session.fireAllRules();
    Collection<?> list = session.getObjects(new ClassObjectFilter(a.getClass()));
    assertEquals(2, list.size());
    assertTrue(list.contains(a));
    assertTrue(list.contains(b));
    session.retract(h1);
    session.fireAllRules();
    list = session.getObjects(new ClassObjectFilter(a.getClass()));
    assertEquals("b was deleted, but it should not have. Is backed by b => b being true.", 1, list.size());
    assertEquals("b was deleted, but it should not have. Is backed by b => b being true.", b, list.iterator().next());
    h1 = session.getFactHandle(b);
    assertSame(((InternalFactHandle) h1).getEqualityKey().getLogicalFactHandle(), h1);
    ((StatefulKnowledgeSessionImpl) session).getTruthMaintenanceSystem().delete(h1);
    session.fireAllRules();
    list = session.getObjects(new ClassObjectFilter(a.getClass()));
    assertEquals(0, list.size());
}

Example 25 with ClassObjectFilter

use of org.drools.core.ClassObjectFilter in project drools by kiegroup.

the class DefeasibilityTest method testManyDefeasibles.

@Test(timeout = 10000)
public void testManyDefeasibles() {
    String drl = "package org.drools.defeasible; " + "declare Fact " + "     fact: String @key " + "end " + " " + "rule init " + "     when " + "     then " + "         insert( new Fact( 'one' ) ); " + "         insert( new Fact( 'two' ) ); " + "         insert( new Fact( 'two' ) ); " + "end " + " " + "rule rule1 " + "     @Defeasible " + "     enabled true " + "     when " + "         Fact( \"one\"; ) " + "     then " + "         System.out.println(\"one causes wibble\"); " + "         insertLogical( new Fact( \"wibble\") ); " + "end " + " " + "rule rule2 " + "     @Defeasible " + "     when " + "         Fact( \"two\"; ) " + "     then " + "         System.out.println(\"two causes wibble\"); " + "         insertLogical( new Fact( \"wibble\") ); " + "end " + " " + "rule rule3 " + "     @Defeater " + "     @Defeats( \"rule2\" ) " + "     when " + "         Fact( \"two\"; ) " + "     then " + "         System.out.println(\"two negates wibble\"); " + "         insertLogical( new Fact( \"wibble\"), \"neg\" ); " + "end";
    KieSession session = getSessionFromString(drl);
    session.fireAllRules();
    FactType factType = session.getKieBase().getFactType("org.drools.defeasible", "Fact");
    for (Object o : session.getObjects(new ClassObjectFilter(factType.getFactClass()))) {
        if ("wibble".equals(factType.get(o, "fact"))) {
            InternalFactHandle handle = (InternalFactHandle) session.getFactHandle(o);
            DefeasibleBeliefSet dbs = (DefeasibleBeliefSet) handle.getEqualityKey().getBeliefSet();
            assertEquals(3, dbs.size());
            assertTrue(dbs.isConflicting());
        }
    }
}