Examples with StatefulKnowledgeSessionImpl org.drools.kiesession.session.StatefulKnowledgeSessionImpl used on opensource projects

Example 1 with StatefulKnowledgeSessionImpl

use of org.drools.kiesession.session.StatefulKnowledgeSessionImpl in project drools by kiegroup.

the class IndexingTest method testFullFastIteratorResume.

@Test(timeout = 10000)
public void testFullFastIteratorResume() {
    final String drl = "package org.drools.compiler.test  \n" + "import " + Person.class.getCanonicalName() + "\n" + "query peeps( String $name, int $age ) \n" + "    not $p2 : Person( $name := name, age > $age ) \n" + "end\n";
    final KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("indexing-test", kieBaseTestConfiguration, drl);
    final StatefulKnowledgeSessionImpl wm = (StatefulKnowledgeSessionImpl) kbase.newKieSession();
    try {
        final List<ObjectTypeNode> nodes = ((RuleBase) kbase).getRete().getObjectTypeNodes();
        ObjectTypeNode node = null;
        for (final ObjectTypeNode n : nodes) {
            if (((ClassObjectType) n.getObjectType()).getClassType() == DroolsQuery.class) {
                node = n;
                break;
            }
        }
        assertNotNull(node);
        final AlphaNode alphanode = (AlphaNode) node.getObjectSinkPropagator().getSinks()[0];
        final LeftInputAdapterNode liaNode = (LeftInputAdapterNode) alphanode.getObjectSinkPropagator().getSinks()[0];
        final NotNode n = (NotNode) liaNode.getSinkPropagator().getSinks()[0];
        final DoubleNonIndexSkipBetaConstraints c = (DoubleNonIndexSkipBetaConstraints) n.getRawConstraints();
        assertTrue(c.isIndexed());
        final BetaMemory bm = (BetaMemory) wm.getNodeMemory(n);
        assertTrue(bm.getLeftTupleMemory() instanceof TupleIndexHashTable);
        assertTrue(bm.getRightTupleMemory() instanceof TupleIndexHashTable);
        wm.openLiveQuery("peeps", new Object[] { Variable.v, 99 }, new ViewChangedEventListener() {

            @Override
            public void rowInserted(final Row row) {
            }

            @Override
            public void rowDeleted(final Row row) {
            }

            @Override
            public void rowUpdated(final Row row) {
            }
        });
        Person p = new Person("x0", 100);
        wm.insert(p);
        for (int i = 1; i < 100; i++) {
            p = new Person("x" + i, 101);
            wm.insert(p);
            wm.fireAllRules();
        }
        final List<RightTuple> list = new ArrayList<>(100);
        FastIterator it = n.getRightIterator(bm.getRightTupleMemory());
        for (RightTuple rt = n.getFirstRightTuple(null, bm.getRightTupleMemory(), it); rt != null; rt = (RightTuple) it.next(rt)) {
            list.add(rt);
        }
        assertEquals(100, list.size());
        // check we can resume from each entry in the list above.
        for (int i = 0; i < 100; i++) {
            final RightTuple rightTuple = list.get(i);
            // resumes from the current rightTuple
            it = n.getRightIterator(bm.getRightTupleMemory(), rightTuple);
            int j = i + 1;
            for (RightTuple rt = (RightTuple) it.next(rightTuple); rt != null; rt = (RightTuple) it.next(rt)) {
                assertSame(list.get(j), rt);
                j++;
            }
        }
    } finally {
        wm.dispose();
    }
}

Example 2 with StatefulKnowledgeSessionImpl

use of org.drools.kiesession.session.StatefulKnowledgeSessionImpl in project drools by kiegroup.

the class AlphaNodeTest method testLiteralConstraintAssertObjectWithoutMemory.

@Test
public void testLiteralConstraintAssertObjectWithoutMemory() throws Exception {
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    buildContext.setRule(new RuleImpl("test"));
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    final RuleImpl rule = new RuleImpl("test-rule");
    PropagationContextFactory pctxFactory = RuntimeComponentFactory.get().getPropagationContextFactory();
    final PropagationContext context = pctxFactory.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, null);
    final MockObjectSource source = new MockObjectSource(buildContext.getNextNodeId());
    AlphaNodeFieldConstraint constraint = ConstraintTestUtil.createCheeseTypeEqualsConstraint(store, "cheddar", useLambdaConstraint);
    // With Memory
    final AlphaNode alphaNode = new AlphaNode(buildContext.getNextNodeId(), constraint, source, // no memory
    buildContext);
    final MockObjectSink sink = new MockObjectSink();
    alphaNode.addObjectSink(sink);
    final Cheese cheddar = new Cheese("cheddar", 5);
    final DefaultFactHandle f0 = (DefaultFactHandle) ksession.insert(cheddar);
    // check sink is empty
    assertLength(0, sink.getAsserted());
    // object should assert as it passes text
    alphaNode.assertObject(f0, context, ksession);
    Assert.assertEquals(1, sink.getAsserted().size());
    Object[] list = (Object[]) sink.getAsserted().get(0);
    assertSame(cheddar, ksession.getObject((DefaultFactHandle) list[0]));
    final Cheese stilton = new Cheese("stilton", 6);
    final DefaultFactHandle f1 = new DefaultFactHandle(1, stilton);
    // object should NOT assert as it does not pass test
    alphaNode.assertObject(f1, context, ksession);
    assertLength(1, sink.getAsserted());
    list = (Object[]) sink.getAsserted().get(0);
    assertSame(cheddar, ksession.getObject((DefaultFactHandle) list[0]));
}

Example 3 with StatefulKnowledgeSessionImpl

use of org.drools.kiesession.session.StatefulKnowledgeSessionImpl in project drools by kiegroup.

the class AlphaNodeTest method testUpdateSinkWithoutMemory.

@Test
public void testUpdateSinkWithoutMemory() {
    // An AlphaNode should try and repropagate from its source
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    buildContext.setRule(new RuleImpl("test"));
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    final RuleImpl rule = new RuleImpl("test-rule");
    PropagationContextFactory pctxFactory = RuntimeComponentFactory.get().getPropagationContextFactory();
    final PropagationContext context = pctxFactory.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, null);
    final MockObjectSource source = new MockObjectSource(buildContext.getNextNodeId());
    AlphaNodeFieldConstraint constraint = ConstraintTestUtil.createCheeseTypeEqualsConstraint(store, "cheddar", useLambdaConstraint);
    final AlphaNode alphaNode = new AlphaNode(buildContext.getNextNodeId(), constraint, source, // no memory
    buildContext);
    alphaNode.attach(buildContext);
    final MockObjectSink sink1 = new MockObjectSink();
    alphaNode.addObjectSink(sink1);
    // Assert a single fact which should be in the AlphaNode memory and also
    // propagated to the
    // the tuple sink
    final Cheese cheese = new Cheese("cheddar", 0);
    final DefaultFactHandle handle1 = new DefaultFactHandle(1, cheese);
    // adding handle to the mock source
    source.addFact(handle1);
    alphaNode.assertObject(handle1, context, ksession);
    // Create a fact that should not be propagated, since the alpha node restriction will filter it out
    final Cheese stilton = new Cheese("stilton", 10);
    final DefaultFactHandle handle2 = new DefaultFactHandle(2, stilton);
    // adding handle to the mock source
    source.addFact(handle2);
    alphaNode.assertObject(handle2, context, ksession);
    assertLength(1, sink1.getAsserted());
    // Attach a new tuple sink
    final MockObjectSink sink2 = new MockObjectSink();
    // Tell the alphanode to update the new node. Make sure the first sink1
    // is not updated
    // likewise the source should not do anything
    alphaNode.updateSink(sink2, context, ksession);
    assertLength(1, sink1.getAsserted());
    assertLength(1, sink2.getAsserted());
    Assert.assertEquals(1, source.getUdated());
}

Example 4 with StatefulKnowledgeSessionImpl

use of org.drools.kiesession.session.StatefulKnowledgeSessionImpl in project drools by kiegroup.

the class AlphaNodeTest method testReturnValueConstraintAssertObject.

/*
     *  This just test AlphaNode With a different Constraint type.
     */
@Test
public void testReturnValueConstraintAssertObject() throws Exception {
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    buildContext.setRule(new RuleImpl("test"));
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    final RuleImpl rule = new RuleImpl("test-rule");
    PropagationContextFactory pctxFactory = RuntimeComponentFactory.get().getPropagationContextFactory();
    final PropagationContext context = pctxFactory.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, null);
    final MockObjectSource source = new MockObjectSource(buildContext.getNextNodeId());
    AlphaNodeFieldConstraint constraint = ConstraintTestUtil.createCheeseTypeEqualsConstraint(store, "cheddar", useLambdaConstraint);
    final AlphaNode alphaNode = new AlphaNode(buildContext.getNextNodeId(), constraint, source, buildContext);
    final MockObjectSink sink = new MockObjectSink();
    alphaNode.addObjectSink(sink);
    final Cheese cheddar = new Cheese("cheddar", 5);
    final DefaultFactHandle f0 = (DefaultFactHandle) ksession.insert(cheddar);
    assertLength(0, sink.getAsserted());
    // object should assert as it passes text
    alphaNode.assertObject(f0, context, ksession);
    assertLength(1, sink.getAsserted());
    final Object[] list = (Object[]) sink.getAsserted().get(0);
    assertSame(cheddar, ksession.getObject((DefaultFactHandle) list[0]));
    final Cheese stilton = new Cheese("stilton", 6);
    f0.setObject(stilton);
    sink.getAsserted().clear();
    // object should not assert as it does not pass text
    alphaNode.assertObject(f0, context, ksession);
    assertLength(0, sink.getAsserted());
}

Example 5 with StatefulKnowledgeSessionImpl

use of org.drools.kiesession.session.StatefulKnowledgeSessionImpl in project drools by kiegroup.

the class PropertyReactivityTest method testPropReactiveUpdate.

@Test
public void testPropReactiveUpdate() {
    // DROOLS-1275
    final String str1 = "import " + Klass.class.getCanonicalName() + "\n" + "global java.util.List list;\n" + "rule R when\n" + "  Klass( b == 2 )\n" + "then\n" + "  list.add(\"fired\");\n" + "end\n";
    KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("test", kieBaseTestConfiguration, str1);
    KieSession ksession = kbase.newKieSession();
    final List<String> list = new ArrayList<String>();
    ksession.setGlobal("list", list);
    final Klass bean = new Klass(1, 2, 3, 4, 5, 6);
    final FactHandle fh = ksession.insert(bean);
    ksession.fireAllRules();
    assertEquals(1, list.size());
    ((StatefulKnowledgeSessionImpl) ksession).update(fh, bean, "a", "d");
    ksession.fireAllRules();
    assertEquals(1, list.size());
    ((StatefulKnowledgeSessionImpl) ksession).update(fh, bean, "c", "b");
    ksession.fireAllRules();
    assertEquals(2, list.size());
}