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

Example 31 with JoinNode

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

the class MemoryLeakTest method testBetaMemoryLeakOnFactDelete.

@Test
public void testBetaMemoryLeakOnFactDelete() {
    // DROOLS-913
    String drl = "rule R1 when\n" + "    $a : Integer(this == 1)\n" + "    $b : String()\n" + "    $c : Integer(this == 2)\n" + "then \n" + "end\n" + "rule R2 when\n" + "    $a : Integer(this == 1)\n" + "    $b : String()\n" + "    $c : Integer(this == 3)\n" + "then \n" + "end\n";
    KieSession ksession = new KieHelper().addContent(drl, ResourceType.DRL).build().newKieSession();
    FactHandle fh1 = ksession.insert(1);
    FactHandle fh2 = ksession.insert(3);
    FactHandle fh3 = ksession.insert("test");
    ksession.fireAllRules();
    ksession.delete(fh1);
    ksession.delete(fh2);
    ksession.delete(fh3);
    ksession.fireAllRules();
    NodeMemories nodeMemories = ((InternalWorkingMemory) ksession).getNodeMemories();
    for (int i = 0; i < nodeMemories.length(); i++) {
        Memory memory = nodeMemories.peekNodeMemory(i);
        if (memory != null && memory.getSegmentMemory() != null) {
            SegmentMemory segmentMemory = memory.getSegmentMemory();
            System.out.println(memory);
            LeftTuple deleteFirst = memory.getSegmentMemory().getStagedLeftTuples().getDeleteFirst();
            if (segmentMemory.getRootNode() instanceof JoinNode) {
                BetaMemory bm = (BetaMemory) segmentMemory.getNodeMemories().getFirst();
                assertEquals(0, bm.getLeftTupleMemory().size());
            }
            System.out.println(deleteFirst);
            assertNull(deleteFirst);
        }
    }
}

Example 32 with JoinNode

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

the class LeftTupleIterator method getFirstLeftTuple.

public LeftTuple getFirstLeftTuple(LeftTupleSource source, LeftTupleSink sink, InternalWorkingMemory wm) {
    if (source instanceof AccumulateNode) {
        AccumulateMemory accmem = (AccumulateMemory) wm.getNodeMemory((MemoryFactory) source);
        BetaMemory memory = accmem.getBetaMemory();
        FastIterator localIt = memory.getLeftTupleMemory().fullFastIterator();
        Tuple leftTuple = BetaNode.getFirstTuple(memory.getLeftTupleMemory(), localIt);
        if (leftTuple != null) {
            AccumulateContext accctx = (AccumulateContext) leftTuple.getContextObject();
            return accctx.getResultLeftTuple();
        }
        return null;
    }
    if (source instanceof JoinNode || source instanceof NotNode || source instanceof FromNode || source instanceof AccumulateNode) {
        BetaMemory memory;
        FastIterator localIt;
        if (source instanceof FromNode) {
            memory = ((FromMemory) wm.getNodeMemory((MemoryFactory) source)).getBetaMemory();
        } else if (source instanceof AccumulateNode) {
            memory = ((AccumulateMemory) wm.getNodeMemory((MemoryFactory) source)).getBetaMemory();
        } else {
            memory = (BetaMemory) wm.getNodeMemory((MemoryFactory) source);
        }
        localIt = memory.getLeftTupleMemory().fullFastIterator();
        Tuple leftTuple = BetaNode.getFirstTuple(memory.getLeftTupleMemory(), localIt);
        while (leftTuple != null) {
            for (LeftTuple childleftTuple = leftTuple.getFirstChild(); childleftTuple != null; childleftTuple = childleftTuple.getHandleNext()) {
                if (childleftTuple.getTupleSink() == sink) {
                    return childleftTuple;
                }
            }
            leftTuple = (LeftTuple) localIt.next(leftTuple);
        }
    }
    if (source instanceof ExistsNode) {
        BetaMemory memory = (BetaMemory) wm.getNodeMemory((MemoryFactory) source);
        FastIterator localIt = memory.getRightTupleMemory().fullFastIterator();
        RightTuple rightTuple = (RightTuple) BetaNode.getFirstTuple(memory.getRightTupleMemory(), localIt);
        while (rightTuple != null) {
            if (rightTuple.getBlocked() != null) {
                for (LeftTuple leftTuple = rightTuple.getBlocked(); leftTuple != null; leftTuple = leftTuple.getBlockedNext()) {
                    for (LeftTuple childleftTuple = leftTuple.getFirstChild(); childleftTuple != null; childleftTuple = childleftTuple.getHandleNext()) {
                        if (childleftTuple.getTupleSink() == sink) {
                            return childleftTuple;
                        }
                    }
                }
            }
            rightTuple = (RightTuple) localIt.next(rightTuple);
        }
    } else if (source instanceof LeftInputAdapterNode) {
        ObjectSource os = ((LeftInputAdapterNode) source).getParentObjectSource();
        while (!(os instanceof ObjectTypeNode)) {
            os = os.getParentObjectSource();
        }
        ObjectTypeNode otn = (ObjectTypeNode) os;
        otnIterator = wm.getNodeMemory(otn).iterator();
        while (otnIterator.hasNext()) {
            InternalFactHandle handle = otnIterator.next();
            LeftTuple leftTuple = handle.findFirstLeftTuple(lt -> lt.getTupleSink() == sink);
            if (leftTuple != null) {
                return leftTuple;
            }
        }
    } else if (source instanceof EvalConditionNode || source instanceof QueryElementNode) {
        LeftTuple parentLeftTuple = getFirstLeftTuple(source.getLeftTupleSource(), (LeftTupleSink) source, wm);
        while (parentLeftTuple != null) {
            for (LeftTuple leftTuple = parentLeftTuple.getFirstChild(); leftTuple != null; leftTuple = leftTuple.getHandleNext()) {
                if (leftTuple.getTupleSink() == sink) {
                    return leftTuple;
                }
            }
            parentLeftTuple = getNextLeftTuple(source.getLeftTupleSource(), (LeftTupleSink) source, parentLeftTuple, wm);
        }
    }
    return null;
}

Example 33 with JoinNode

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

the class AddRuleTest method testPopulatedRuleMidwayShare.

@Test
public void testPopulatedRuleMidwayShare() throws Exception {
    InternalKnowledgeBase kbase1 = buildKnowledgeBase("r1", "   a : 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(3, list.size());
    kbase1.addPackages(buildKnowledgePackage("r2", "   a : A() B() C(2;) D() E()\n"));
    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(0, c2Mem.getLeftTupleMemory().size());
    assertEquals(0, c2Mem.getRightTupleMemory().size());
    assertNotNull(c2Smem.getStagedLeftTuples().getInsertFirst());
    assertNotNull(c2Smem.getStagedLeftTuples().getInsertFirst().getStagedNext());
    assertNotNull(c2Smem.getStagedLeftTuples().getInsertFirst().getStagedNext().getStagedNext());
    assertNull(c2Smem.getStagedLeftTuples().getInsertFirst().getStagedNext().getStagedNext().getStagedNext());
    wm.fireAllRules();
    assertEquals(3, c2Mem.getLeftTupleMemory().size());
    assertEquals(1, c2Mem.getRightTupleMemory().size());
    assertNull(c2Smem.getStagedLeftTuples().getInsertFirst());
    assertEquals(6, list.size());
    assertEquals("r1", ((Match) list.get(0)).getRule().getName());
    assertEquals("r1", ((Match) list.get(1)).getRule().getName());
    assertEquals("r1", ((Match) list.get(2)).getRule().getName());
    assertEquals("r2", ((Match) list.get(3)).getRule().getName());
    assertEquals(3, ((A) ((Match) list.get(3)).getDeclarationValue("a")).getObject());
    assertEquals("r2", ((Match) list.get(4)).getRule().getName());
    assertEquals(2, ((A) ((Match) list.get(4)).getDeclarationValue("a")).getObject());
    assertEquals("r2", ((Match) list.get(5)).getRule().getName());
    assertEquals(1, ((A) ((Match) list.get(5)).getDeclarationValue("a")).getObject());
}

Example 34 with JoinNode

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

the class AddRuleTest method testPopulatedSharedToRtn.

@Test
public void testPopulatedSharedToRtn() throws Exception {
    InternalKnowledgeBase kbase1 = buildKnowledgeBase("r1", "   A() B() C() 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 B(1));
    wm.insert(new C(1));
    wm.insert(new D(1));
    wm.insert(new E(1));
    wm.fireAllRules();
    assertEquals(2, list.size());
    kbase1.addPackages(buildKnowledgePackage("r2", "   A() B() C() D() E()\n"));
    ObjectTypeNode eotn = getObjectTypeNode(kbase1, E.class);
    JoinNode eNode = (JoinNode) eotn.getObjectSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn = (RuleTerminalNode) eNode.getSinkPropagator().getLastLeftTupleSink();
    PathMemory pm = (PathMemory) wm.getNodeMemory(rtn);
    SegmentMemory sm = pm.getSegmentMemory();
    assertNotNull(sm.getStagedLeftTuples().getInsertFirst());
    assertNotNull(sm.getStagedLeftTuples().getInsertFirst().getStagedNext());
    assertNull(sm.getStagedLeftTuples().getInsertFirst().getStagedNext().getStagedNext());
    wm.fireAllRules();
    assertNull(sm.getStagedLeftTuples().getInsertFirst());
    assertEquals(4, list.size());
    assertEquals("r1", ((Match) list.get(0)).getRule().getName());
    assertEquals("r1", ((Match) list.get(1)).getRule().getName());
    assertEquals("r2", ((Match) list.get(2)).getRule().getName());
    assertEquals("r2", ((Match) list.get(3)).getRule().getName());
}

Example 35 with JoinNode

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

the class RemoveRuleTest method testPopulatedSharedLiaNode.

@Test
public void testPopulatedSharedLiaNode() throws Exception {
    InternalKnowledgeBase kbase1 = buildKnowledgeBase("r1", "   A() B(1;) C() 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 B(2));
    wm.insert(new C(1));
    wm.insert(new D(1));
    wm.insert(new E(1));
    wm.fireAllRules();
    assertEquals(3, list.size());
    assertEquals(7, countNodeMemories(wm.getNodeMemories()));
    kbase1.addPackages(buildKnowledgePackage("r2", "   a : A() B(2;) C() D() E()\n"));
    wm.fireAllRules();
    assertEquals(17, countNodeMemories(wm.getNodeMemories()));
    ObjectTypeNode aotn = getObjectTypeNode(kbase1, A.class);
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    JoinNode b1Node = (JoinNode) liaNode.getSinkPropagator().getFirstLeftTupleSink();
    JoinNode b2Node = (JoinNode) liaNode.getSinkPropagator().getLastLeftTupleSink();
    JoinNode c1Node = (JoinNode) b1Node.getSinkPropagator().getLastLeftTupleSink();
    LiaNodeMemory lm = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    SegmentMemory sm = lm.getSegmentMemory();
    BetaMemory b1Mem = (BetaMemory) wm.getNodeMemory(b1Node);
    assertSame(sm.getFirst(), b1Mem.getSegmentMemory());
    assertEquals(3, b1Mem.getLeftTupleMemory().size());
    assertEquals(1, b1Mem.getRightTupleMemory().size());
    BetaMemory b2Mem = (BetaMemory) wm.getNodeMemory(b2Node);
    SegmentMemory b2Smem = sm.getFirst().getNext();
    assertSame(b2Smem, b2Mem.getSegmentMemory());
    assertEquals(3, b2Mem.getLeftTupleMemory().size());
    assertEquals(1, b2Mem.getRightTupleMemory().size());
    assertEquals(6, list.size());
    BetaMemory c1Mem = (BetaMemory) wm.getNodeMemory(c1Node);
    assertSame(b1Mem.getSegmentMemory(), c1Mem.getSegmentMemory());
    assertNotSame(b1Mem.getSegmentMemory(), b2Mem.getSegmentMemory());
    wm.fireAllRules();
    assertEquals(6, list.size());
    assertEquals(17, countNodeMemories(wm.getNodeMemories()));
    kbase1.removeRule("org.kie", "r2");
    assertEquals(12, countNodeMemories(wm.getNodeMemories()));
    assertSame(sm, b1Mem.getSegmentMemory());
    assertSame(sm, c1Mem.getSegmentMemory());
    assertNull(sm.getFirst());
    assertEquals(3, b1Mem.getLeftTupleMemory().size());
    assertEquals(1, b1Mem.getRightTupleMemory().size());
    // SegmentMemory b2Smem =  sm.getFirst().remove();
    assertSame(b2Smem, b2Mem.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());
}