Examples with LeftInputAdapterNode org.drools.core.reteoo.LeftInputAdapterNode used on opensource projects

Example 21 with LeftInputAdapterNode

use of org.drools.core.reteoo.LeftInputAdapterNode in project drools by kiegroup.

the class BetaNodeBuilder method build.

public BetaNode build() {
    NodeFactory nFactory = buildContext.getComponentFactory().getNodeFactoryService();
    EntryPointNode epn = buildContext.getKnowledgeBase().getRete().getEntryPointNodes().values().iterator().next();
    ObjectTypeNode otn = nFactory.buildObjectTypeNode(buildContext.getNextId(), epn, new ClassObjectType(leftType), buildContext);
    LeftInputAdapterNode leftInput = nFactory.buildLeftInputAdapterNode(buildContext.getNextId(), otn, buildContext);
    ObjectSource rightInput = nFactory.buildObjectTypeNode(buildContext.getNextId(), epn, new ClassObjectType(rightType), buildContext);
    ReteTesterHelper reteTesterHelper = new ReteTesterHelper();
    Pattern pattern = new Pattern(0, new ClassObjectType(leftType));
    // BetaNodeFieldConstraint betaConstraint = null;
    BetaConstraints betaConstraints = null;
    if (constraintFieldName != null) {
        ClassFieldAccessorStore store = (ClassFieldAccessorStore) reteTesterHelper.getStore();
        InternalReadAccessor extractor = store.getReader(leftType, leftFieldName);
        Declaration declr = new Declaration(leftVariableName, extractor, pattern);
        betaConstraints = new SingleBetaConstraints(reteTesterHelper.getBoundVariableConstraint(rightType, constraintFieldName, declr, constraintOperator), buildContext.getKnowledgeBase().getConfiguration());
    } else {
        betaConstraints = new EmptyBetaConstraints();
    }
    switch(nodeType) {
        case NodeTypeEnums.JoinNode:
            return new JoinNode(0, leftInput, rightInput, betaConstraints, buildContext);
        case NodeTypeEnums.NotNode:
            return new NotNode(0, leftInput, rightInput, betaConstraints, buildContext);
        case NodeTypeEnums.ExistsNode:
            return new ExistsNode(0, leftInput, rightInput, betaConstraints, buildContext);
    }
    throw new IllegalStateException("Unable to build Node");
}

Example 22 with LeftInputAdapterNode

use of org.drools.core.reteoo.LeftInputAdapterNode in project drools by kiegroup.

the class RemoveRuleTest method testPopulatedRuleMidwayShare.

@Test
public void testPopulatedRuleMidwayShare() throws Exception {
    InternalKnowledgeBase kbase1 = buildKnowledgeBase("r1", "   A() B() C(1;) D() E()\n");
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase1.newKieSession());
    List list = new ArrayList();
    wm.setGlobal("list", list);
    wm.insert(new A(1));
    wm.insert(new A(2));
    wm.insert(new A(3));
    wm.insert(new B(1));
    wm.insert(new C(1));
    wm.insert(new C(2));
    wm.insert(new D(1));
    wm.insert(new E(1));
    wm.fireAllRules();
    assertEquals(7, countNodeMemories(wm.getNodeMemories()));
    kbase1.addPackages(buildKnowledgePackage("r2", "   a : A() B() C(2;) D() E()\n"));
    wm.fireAllRules();
    ObjectTypeNode aotn = getObjectTypeNode(kbase1, A.class);
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getFirstLeftTupleSink();
    JoinNode c1Node = (JoinNode) bNode.getSinkPropagator().getFirstLeftTupleSink();
    JoinNode c2Node = (JoinNode) bNode.getSinkPropagator().getLastLeftTupleSink();
    LiaNodeMemory lm = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    SegmentMemory sm = lm.getSegmentMemory();
    BetaMemory c1Mem = (BetaMemory) wm.getNodeMemory(c1Node);
    assertSame(sm.getFirst(), c1Mem.getSegmentMemory());
    assertEquals(3, c1Mem.getLeftTupleMemory().size());
    assertEquals(1, c1Mem.getRightTupleMemory().size());
    BetaMemory c2Mem = (BetaMemory) wm.getNodeMemory(c2Node);
    SegmentMemory c2Smem = sm.getFirst().getNext();
    assertSame(c2Smem, c2Mem.getSegmentMemory());
    assertEquals(3, c2Mem.getLeftTupleMemory().size());
    assertEquals(1, c2Mem.getRightTupleMemory().size());
    assertEquals(6, list.size());
    kbase1.removeRule("org.kie", "r2");
    assertEquals(10, countNodeMemories(wm.getNodeMemories()));
    assertNull(sm.getFirst());
    // c1SMem repoints back to original Smem
    assertSame(sm, c1Mem.getSegmentMemory());
    wm.insert(new A(1));
    wm.fireAllRules();
    assertEquals("r1", ((Match) list.get(6)).getRule().getName());
    // only one more added, as second rule as removed
    assertEquals(7, list.size());
}

Example 23 with LeftInputAdapterNode

use of org.drools.core.reteoo.LeftInputAdapterNode in project drools by kiegroup.

the class RemoveRuleTest method testPopulatedRuleWithEvals.

@Test
public void testPopulatedRuleWithEvals() throws Exception {
    InternalKnowledgeBase kbase1 = buildKnowledgeBase("r1", "   a:A() B() eval(1==1) eval(1==1) C(1;) \n");
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase1.newKieSession());
    List list = new ArrayList();
    wm.setGlobal("list", list);
    wm.insert(new A(1));
    wm.insert(new A(2));
    wm.insert(new A(3));
    wm.insert(new B(1));
    wm.insert(new C(1));
    wm.insert(new C(2));
    wm.insert(new D(1));
    wm.insert(new E(1));
    wm.fireAllRules();
    assertEquals(7, countNodeMemories(wm.getNodeMemories()));
    kbase1.addPackages(buildKnowledgePackage("r2", "   a:A() B() eval(1==1) eval(1==1) C(2;) \n"));
    wm.fireAllRules();
    ObjectTypeNode aotn = getObjectTypeNode(kbase1, A.class);
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getFirstLeftTupleSink();
    EvalConditionNode e1 = (EvalConditionNode) bNode.getSinkPropagator().getFirstLeftTupleSink();
    EvalConditionNode e2 = (EvalConditionNode) e1.getSinkPropagator().getFirstLeftTupleSink();
    JoinNode c1Node = (JoinNode) e2.getSinkPropagator().getFirstLeftTupleSink();
    JoinNode c2Node = (JoinNode) e2.getSinkPropagator().getLastLeftTupleSink();
    LiaNodeMemory lm = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    SegmentMemory sm = lm.getSegmentMemory();
    BetaMemory c1Mem = (BetaMemory) wm.getNodeMemory(c1Node);
    assertSame(sm.getFirst(), c1Mem.getSegmentMemory());
    assertEquals(3, c1Mem.getLeftTupleMemory().size());
    assertEquals(1, c1Mem.getRightTupleMemory().size());
    BetaMemory c2Mem = (BetaMemory) wm.getNodeMemory(c2Node);
    SegmentMemory c2Smem = sm.getFirst().getNext();
    assertSame(c2Smem, c2Mem.getSegmentMemory());
    assertEquals(3, c2Mem.getLeftTupleMemory().size());
    assertEquals(1, c2Mem.getRightTupleMemory().size());
    assertEquals(6, list.size());
    kbase1.removeRule("org.kie", "r2");
    assertEquals(8, countNodeMemories(wm.getNodeMemories()));
    assertNull(sm.getFirst());
    // c1SMem repoints back to original Smem
    assertSame(sm, c1Mem.getSegmentMemory());
    wm.insert(new A(1));
    wm.fireAllRules();
    assertEquals("r1", ((Match) list.get(6)).getRule().getName());
    // only one more added, as second rule as removed
    assertEquals(7, list.size());
}

Example 24 with LeftInputAdapterNode

use of org.drools.core.reteoo.LeftInputAdapterNode in project drools by kiegroup.

the class OOPathReactiveTests method testReactiveDeleteOnLia.

@Test
public void testReactiveDeleteOnLia() {
    final String drl = "import org.drools.compiler.oopath.model.*;\n" + "global java.util.List list\n" + "\n" + "rule R when\n" + "  Man( $toy: /wife/children[age > 10]/toys )\n" + "then\n" + "  list.add( $toy.getName() );\n" + "end\n";
    final KieBase kbase = new KieHelper().addContent(drl, ResourceType.DRL).build();
    final KieSession ksession = kbase.newKieSession();
    final EntryPointNode epn = ((InternalKnowledgeBase) ksession.getKieBase()).getRete().getEntryPointNodes().values().iterator().next();
    final ObjectTypeNode otn = epn.getObjectTypeNodes().values().iterator().next();
    final LeftInputAdapterNode lian = (LeftInputAdapterNode) otn.getObjectSinkPropagator().getSinks()[0];
    final ReactiveFromNode from1 = (ReactiveFromNode) lian.getSinkPropagator().getSinks()[0];
    final ReactiveFromNode from2 = (ReactiveFromNode) from1.getSinkPropagator().getSinks()[0];
    final ReactiveFromNode from3 = (ReactiveFromNode) from2.getSinkPropagator().getSinks()[0];
    final BetaMemory betaMemory = ((InternalWorkingMemory) ksession).getNodeMemory(from3).getBetaMemory();
    final List<String> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    final Woman alice = new Woman("Alice", 38);
    final Man bob = new Man("Bob", 40);
    bob.setWife(alice);
    final Child charlie = new Child("Charles", 12);
    final Child debbie = new Child("Debbie", 11);
    alice.addChild(charlie);
    alice.addChild(debbie);
    charlie.addToy(new Toy("car"));
    charlie.addToy(new Toy("ball"));
    debbie.addToy(new Toy("doll"));
    ksession.insert(bob);
    ksession.fireAllRules();
    Assertions.assertThat(list).containsExactlyInAnyOrder("car", "ball", "doll");
    final TupleMemory tupleMemory = betaMemory.getLeftTupleMemory();
    Assertions.assertThat(betaMemory.getLeftTupleMemory().size()).isEqualTo(2);
    Iterator<LeftTuple> it = tupleMemory.iterator();
    for (LeftTuple next = it.next(); next != null; next = it.next()) {
        final Object obj = next.getFactHandle().getObject();
        Assertions.assertThat(obj == charlie || obj == debbie).isTrue();
    }
    list.clear();
    debbie.setAge(10);
    ksession.fireAllRules();
    Assertions.assertThat(list).hasSize(0);
    ;
    Assertions.assertThat(betaMemory.getLeftTupleMemory().size()).isEqualTo(1);
    it = tupleMemory.iterator();
    for (LeftTuple next = it.next(); next != null; next = it.next()) {
        final Object obj = next.getFactHandle().getObject();
        Assertions.assertThat(obj == charlie).isTrue();
    }
}

Example 25 with LeftInputAdapterNode

use of org.drools.core.reteoo.LeftInputAdapterNode in project drools by kiegroup.

the class Misc2Test method testFromEPDontRequireLeftInput.

@Test
public void testFromEPDontRequireLeftInput() {
    // DROOLS-1014
    String drl = "rule R when\n" + "    $s1 : String() from entry-point \"xxx\"\n" + "then\n" + "end\n";
    KieBase kbase = new KieHelper().addContent(drl, ResourceType.DRL).build();
    Rete rete = ((KnowledgeBaseImpl) kbase).getRete();
    LeftInputAdapterNode liaNode = null;
    for (ObjectTypeNode otn : rete.getObjectTypeNodes()) {
        Class<?> otnType = ((ClassObjectType) otn.getObjectType()).getClassType();
        if (String.class == otnType) {
            assertEquals(1, otn.getObjectSinkPropagator().size());
        } else if (InitialFact.class.isAssignableFrom(otnType)) {
            assertEquals(0, otn.getObjectSinkPropagator().size());
        } else {
            fail("There shouldn't be other OTNs");
        }
    }
}