Examples with TruthMaintenanceSystem org.drools.core.common.TruthMaintenanceSystem used on opensource projects

Example 16 with TruthMaintenanceSystem

use of org.drools.core.common.TruthMaintenanceSystem in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertionsWithModify.

@Test(timeout = 10000)
public // @Ignore("in Java 8, the byte[] generated by serialization are not the same and requires investigation")
void testLogicalInsertionsWithModify() throws Exception {
    KieBase kbase = loadKnowledgeBase("test_LogicalInsertionsWithUpdate.drl");
    KieSession ksession = kbase.newKieSession();
    final Person p = new Person("person");
    p.setAge(2);
    FactHandle h = ksession.insert(p);
    assertEquals(1, ksession.getObjects().size());
    ksession.fireAllRules();
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, false);
    assertEquals(2, ksession.getObjects().size());
    Collection l = ksession.getObjects(new ClassObjectFilter(CheeseEqual.class));
    assertEquals(1, l.size());
    assertEquals(2, ((CheeseEqual) l.iterator().next()).getPrice());
    h = getFactHandle(h, ksession);
    ksession.retract(h);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, false);
    assertEquals(0, ksession.getObjects().size());
    TruthMaintenanceSystem tms = ((NamedEntryPoint) ksession.getEntryPoint(EntryPointId.DEFAULT.getEntryPointId())).getTruthMaintenanceSystem();
    final java.lang.reflect.Field field = tms.getClass().getDeclaredField("equalityKeyMap");
    field.setAccessible(true);
    final ObjectHashMap m = (ObjectHashMap) field.get(tms);
    field.setAccessible(false);
    assertEquals("assertMap should be empty", 0, m.size());
}

Example 17 with TruthMaintenanceSystem

use of org.drools.core.common.TruthMaintenanceSystem in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalWithDeleteException.

@Test(timeout = 10000)
public void testLogicalWithDeleteException() {
    String droolsSource = "package org.drools.tms.test; \n" + "global java.util.List list; \n" + "rule Justify \n" + "when \n" + "    String( this == 'go1' ) " + "then \n" + "    insertLogical( 'f1' ); \n" + "end \n" + "";
    KieBaseConfiguration kieConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    kieConf.setOption(EqualityBehaviorOption.IDENTITY);
    KieBase kbase = loadKnowledgeBaseFromString(kieConf, droolsSource);
    KieSession session = kbase.newKieSession();
    List list = new ArrayList();
    session.setGlobal("list", list);
    session.insert("go1");
    session.fireAllRules();
    TruthMaintenanceSystem tms = ((StatefulKnowledgeSessionImpl) session).getTruthMaintenanceSystem();
    InternalFactHandle jfh1 = tms.get("f1").getLogicalFactHandle();
    assertSame(jfh1, session.getFactHandle("f1"));
}

Example 18 with TruthMaintenanceSystem

use of org.drools.core.common.TruthMaintenanceSystem in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalInsertOrder.

@Test(timeout = 10000)
public void testLogicalInsertOrder() throws Exception {
    // JBRULES-1602
    // "rule 1" is never logical inserted, as it's rule is unmatched prior to calling logical insert
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_LogicalInsertOrder.drl", getClass()), ResourceType.DRL);
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) getKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    kbase = SerializationHelper.serializeObject(kbase);
    final KieSession session = createKnowledgeSession(kbase);
    RuleRuntimeEventListener wmel = mock(RuleRuntimeEventListener.class);
    session.addEventListener(wmel);
    Person bob = new Person("bob");
    bob.setStatus("hungry");
    Person mark = new Person("mark");
    mark.setStatus("thirsty");
    session.insert(bob);
    session.insert(mark);
    int count = session.fireAllRules();
    assertEquals(2, count);
    assertEquals(2, session.getObjects().size());
    TruthMaintenanceSystem tms = ((NamedEntryPoint) session.getEntryPoint(EntryPointId.DEFAULT.getEntryPointId())).getTruthMaintenanceSystem();
    assertTrue(tms.getEqualityKeyMap().isEmpty());
}

Example 19 with TruthMaintenanceSystem

use of org.drools.core.common.TruthMaintenanceSystem in project drools by kiegroup.

the class TruthMaintenanceTest method testLogicalThenUpdateAsStatedShadowSingleOccurance.

@Test(timeout = 10000)
public void testLogicalThenUpdateAsStatedShadowSingleOccurance() {
    String droolsSource = "package org.drools.tms.test; \n" + "global java.util.List list; \n" + "rule Justify \n" + "when \n" + "    String( this == 'go1' ) " + "then \n" + "    insertLogical( 'f1' ); \n" + "end \n" + "rule StillHere \n" + "when \n" + "    String( this == 'go2' ) " + "    s : String( this == 'f1' ) " + "then \n" + "    list.add( s ); \n" + "end \n" + "";
    KieBaseConfiguration kieConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
    kieConf.setOption(EqualityBehaviorOption.IDENTITY);
    KieBase kbase = loadKnowledgeBaseFromString(kieConf, droolsSource);
    KieSession session = kbase.newKieSession();
    List list = new ArrayList();
    session.setGlobal("list", list);
    session.insert("go1");
    session.fireAllRules();
    TruthMaintenanceSystem tms = ((StatefulKnowledgeSessionImpl) session).getTruthMaintenanceSystem();
    InternalFactHandle jfh1 = tms.get("f1").getLogicalFactHandle();
    assertEquals(EqualityKey.JUSTIFIED, jfh1.getEqualityKey().getStatus());
    InternalFactHandle fh1 = (InternalFactHandle) session.insert("f1");
    InternalFactHandle fh2 = (InternalFactHandle) session.insert("f2");
    session.insert("go2");
    session.fireAllRules();
    assertEquals(EqualityKey.STATED, fh1.getEqualityKey().getStatus());
    assertSame(fh1.getEqualityKey(), jfh1.getEqualityKey());
    assertNotSame(fh1, jfh1);
    // Make sure f1 only occurs once
    assertEquals(1, list.size());
    assertEquals("f1", list.get(0));
}

Example 20 with TruthMaintenanceSystem

use of org.drools.core.common.TruthMaintenanceSystem in project drools by kiegroup.

the class DefeasibilityTest method testDefeatOutcomePosNeg.

@Test(timeout = 10000)
public void testDefeatOutcomePosNeg() {
    KieSession kSession = getSession("org/drools/compiler/beliefsystem/defeasible/negDefeatPos.drl");
    ArrayList list = new ArrayList();
    kSession.setGlobal("list", list);
    kSession.fireAllRules();
    TruthMaintenanceSystem tms = ((NamedEntryPoint) kSession.getEntryPoint("DEFAULT")).getTruthMaintenanceSystem();
    FactType Xtype = kSession.getKieBase().getFactType("org.drools.defeasible", "X");
    ObjectHashMap keys = tms.getEqualityKeyMap();
    Iterator iter = keys.iterator();
    ObjectHashMap.ObjectEntry entry;
    while ((entry = (ObjectHashMap.ObjectEntry) iter.next()) != null) {
        EqualityKey key = (EqualityKey) entry.getValue();
        Class factClass = key.getFactHandle().getObject().getClass();
        if (factClass == Xtype.getFactClass()) {
            checkStatus(key, 1, DefeasibilityStatus.DEFEASIBLY);
        } else {
            fail("Unrecognized object has been logically justified : " + factClass);
        }
    }
    assertEquals(2, kSession.getObjects().size());
    assertEquals(1, getNegativeObjects(kSession).size());
    assertEquals(1, list.size());
    assertTrue(list.contains("-1"));
}