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

Example 1 with StatefulKnowledgeSessionImpl

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

the class ScenarioRunner4JUnit method resetKieSession.

private void resetKieSession(final KieSession kieSession) {
    final StatefulKnowledgeSessionImpl statefulKnowledgeSession = (StatefulKnowledgeSessionImpl) kieSession;
    statefulKnowledgeSession.reset();
}

Example 2 with StatefulKnowledgeSessionImpl

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

the class TruthMaintenanceTest method testLogicalInsertionsNot.

@Test(timeout = 10000)
public // @Ignore("in Java 8, the byte[] generated by serialization are not the same and requires investigation")
void testLogicalInsertionsNot() throws Exception {
    KieBase kbase = loadKnowledgeBase("test_LogicalInsertionsNot.drl");
    KieSession ksession = kbase.newKieSession();
    final Person a = new Person("a");
    final Cheese cheese = new Cheese("brie", 1);
    ksession.setGlobal("cheese", cheese);
    ksession.fireAllRules();
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    Collection list = ksession.getObjects();
    assertEquals("i was not asserted by not a => i.", 1, list.size());
    assertEquals("i was not asserted by not a => i.", cheese, list.iterator().next());
    FactHandle h = ksession.insert(a);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    // no need to fire rules, assertion alone removes justification for i,
    // so it should be deleted.
    // workingMemory.fireAllRules();
    ksession.fireAllRules();
    list = ksession.getObjects();
    assertEquals("a was not asserted or i not deleted.", 1, list.size());
    assertEquals("a was asserted.", a, list.iterator().next());
    assertFalse("i was not rectracted.", list.contains(cheese));
    // no rules should fire, but nevertheless...
    // workingMemory.fireAllRules();
    assertEquals("agenda should be empty.", 0, ((InternalAgenda) ((StatefulKnowledgeSessionImpl) ksession).getAgenda()).agendaSize());
    h = getFactHandle(h, ksession);
    ksession.retract(h);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, true);
    list = ksession.getObjects();
    assertEquals("i was not asserted by not a => i.", 1, list.size());
    assertEquals("i was not asserted by not a => i.", cheese, list.iterator().next());
}

Example 3 with StatefulKnowledgeSessionImpl

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

the class FactHandleMarshallingTest method createWorkingMemory.

private StatefulKnowledgeSessionImpl createWorkingMemory(InternalKnowledgeBase kBase) {
    // WorkingMemoryEntryPoint
    KieSessionConfiguration ksconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
    ksconf.setOption(ClockTypeOption.get("pseudo"));
    SessionConfiguration sessionConf = ((SessionConfiguration) ksconf);
    StatefulKnowledgeSessionImpl wm = new StatefulKnowledgeSessionImpl(1L, kBase, true, sessionConf, EnvironmentFactory.newEnvironment());
    return wm;
}

Example 4 with StatefulKnowledgeSessionImpl

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

the class SegmentMemoryPrototypeTest method testSessionCache.

@Test
public void testSessionCache() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(DRL.getBytes()), ResourceType.DRL);
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kbase.newKieSession();
    checkKieSession(ksession);
    ksession.dispose();
    ksession.reset();
    checkKieSession(ksession);
}

Example 5 with StatefulKnowledgeSessionImpl

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

the class TruthMaintenanceTest method testLogicalThenStatedShadowSingleOccurance.

@Test(timeout = 10000)
public void testLogicalThenStatedShadowSingleOccurance() {
    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);
    EqualityKey key = jfh1.getEqualityKey();
    assertSame(fh1.getEqualityKey(), key);
    assertNotSame(fh1, jfh1);
    assertEquals(2, key.size());
    assertSame(jfh1, key.getLogicalFactHandle());
    // Make sure f1 only occurs once
    assertEquals(1, list.size());
    assertEquals("f1", list.get(0));
}