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

Example 11 with LeftInputAdapterNode

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

the class PhreakActivationIterator method processLeftTuples.

public static void processLeftTuples(LeftTupleSource node, List<AgendaItem> agendaItems, Set<RuleTerminalNode> nodeSet, InternalWorkingMemory wm) {
    LeftTupleSource node1 = node;
    while (NodeTypeEnums.LeftInputAdapterNode != node1.getType()) {
        node1 = node1.getLeftTupleSource();
    }
    int maxShareCount = node1.getAssociationsSize();
    while (NodeTypeEnums.LeftInputAdapterNode != node.getType()) {
        Memory memory = wm.getNodeMemory((MemoryFactory) node);
        if (memory.getSegmentMemory() == null) {
            // segment has never been initialized, which means the rule has never been linked.
            return;
        }
        if (node.getAssociationsSize() == maxShareCount) {
            // the recurse must start from the first split node, otherwise we get partial overlaps in propagations
            if (NodeTypeEnums.isBetaNode(node)) {
                BetaMemory bm;
                if (NodeTypeEnums.AccumulateNode == node.getType()) {
                    AccumulateMemory am = (AccumulateMemory) memory;
                    bm = am.getBetaMemory();
                    FastIterator it = bm.getLeftTupleMemory().fullFastIterator();
                    Tuple lt = BetaNode.getFirstTuple(bm.getLeftTupleMemory(), it);
                    for (; lt != null; lt = (LeftTuple) it.next(lt)) {
                        AccumulateContext accctx = (AccumulateContext) lt.getContextObject();
                        collectFromPeers(accctx.getResultLeftTuple(), agendaItems, nodeSet, wm);
                    }
                } else if (NodeTypeEnums.ExistsNode == node.getType()) {
                    bm = (BetaMemory) wm.getNodeMemory((MemoryFactory) node);
                    // done off the RightTupleMemory, as exists only have unblocked tuples on the left side
                    FastIterator it = bm.getRightTupleMemory().fullFastIterator();
                    RightTuple rt = (RightTuple) BetaNode.getFirstTuple(bm.getRightTupleMemory(), it);
                    for (; rt != null; rt = (RightTuple) it.next(rt)) {
                        for (LeftTuple lt = rt.getBlocked(); lt != null; lt = lt.getBlockedNext()) {
                            if (lt.getFirstChild() != null) {
                                collectFromPeers(lt.getFirstChild(), agendaItems, nodeSet, wm);
                            }
                        }
                    }
                } else {
                    bm = (BetaMemory) wm.getNodeMemory((MemoryFactory) node);
                    FastIterator it = bm.getLeftTupleMemory().fullFastIterator();
                    Tuple lt = BetaNode.getFirstTuple(bm.getLeftTupleMemory(), it);
                    for (; lt != null; lt = (LeftTuple) it.next(lt)) {
                        if (lt.getFirstChild() != null) {
                            collectFromLeftInput(lt.getFirstChild(), agendaItems, nodeSet, wm);
                        }
                    }
                }
                return;
            } else if (NodeTypeEnums.FromNode == node.getType()) {
                FromMemory fm = (FromMemory) wm.getNodeMemory((MemoryFactory) node);
                TupleMemory ltm = fm.getBetaMemory().getLeftTupleMemory();
                FastIterator it = ltm.fullFastIterator();
                for (LeftTuple lt = (LeftTuple) ltm.getFirst(null); lt != null; lt = (LeftTuple) it.next(lt)) {
                    if (lt.getFirstChild() != null) {
                        collectFromLeftInput(lt.getFirstChild(), agendaItems, nodeSet, wm);
                    }
                }
                return;
            }
        }
        node = node.getLeftTupleSource();
    }
    // No beta or from nodes, so must retrieve LeftTuples from the LiaNode.
    // This is done by scanning all the LeftTuples referenced from the FactHandles in the ObjectTypeNode
    LeftInputAdapterNode lian = (LeftInputAdapterNode) node;
    Memory memory = wm.getNodeMemory((MemoryFactory) node);
    if (memory.getSegmentMemory() == null) {
        // segment has never been initialized, which means the rule has never been linked.
        return;
    }
    ObjectSource os = lian.getObjectSource();
    while (os.getType() != NodeTypeEnums.ObjectTypeNode) {
        os = os.getParentObjectSource();
    }
    ObjectTypeNode otn = (ObjectTypeNode) os;
    final ObjectTypeNodeMemory omem = wm.getNodeMemory(otn);
    LeftTupleSink firstLiaSink = lian.getSinkPropagator().getFirstLeftTupleSink();
    java.util.Iterator<InternalFactHandle> it = omem.iterator();
    while (it.hasNext()) {
        InternalFactHandle fh = it.next();
        fh.forEachLeftTuple(lt -> {
            if (lt.getTupleSink() == firstLiaSink) {
                collectFromLeftInput(lt, agendaItems, nodeSet, wm);
            }
        });
    }
}

Example 12 with LeftInputAdapterNode

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

the class SegmentCreationTest method testBranchCESingleSegment.

@Test
public void testBranchCESingleSegment() throws Exception {
    KieBase kbase = buildKnowledgeBase("   $a : A() \n" + "   if ( $a != null ) do[t1] \n" + "   B() \n");
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    ObjectTypeNode aotn = getObjectTypeNode(kbase, LinkingTest.A.class);
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    ConditionalBranchNode cen1Node = (ConditionalBranchNode) liaNode.getSinkPropagator().getSinks()[0];
    JoinNode bNode = (JoinNode) cen1Node.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn1 = (RuleTerminalNode) bNode.getSinkPropagator().getSinks()[0];
    FactHandle bFh = wm.insert(new LinkingTest.B());
    wm.flushPropagations();
    LiaNodeMemory liaMem = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    SegmentMemory smem = liaMem.getSegmentMemory();
    assertEquals(1, smem.getAllLinkedMaskTest());
    // B links, but it will not trigger mask
    assertEquals(4, smem.getLinkedNodeMask());
    assertFalse(smem.isSegmentLinked());
    PathMemory pmem = (PathMemory) wm.getNodeMemory(rtn1);
    assertEquals(1, pmem.getAllLinkedMaskTest());
    assertEquals(0, pmem.getLinkedSegmentMask());
    assertFalse(pmem.isRuleLinked());
    wm.insert(new LinkingTest.A());
    wm.flushPropagations();
    // A links in segment
    assertEquals(5, smem.getLinkedNodeMask());
    assertTrue(smem.isSegmentLinked());
    assertEquals(1, pmem.getLinkedSegmentMask());
    assertTrue(pmem.isRuleLinked());
    // retract B does not unlink the rule
    wm.delete(bFh);
    wm.flushPropagations();
    assertEquals(1, pmem.getLinkedSegmentMask());
    assertTrue(pmem.isRuleLinked());
}

Example 13 with LeftInputAdapterNode

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

the class SegmentCreationTest method tesSubnetworkAfterShare.

@Test
public void tesSubnetworkAfterShare() throws Exception {
    KieBase kbase = buildKnowledgeBase("   A() \n", "   A()  not ( B() and C() ) \n");
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    ObjectTypeNode aotn = getObjectTypeNode(kbase, LinkingTest.A.class);
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn1 = (RuleTerminalNode) liaNode.getSinkPropagator().getSinks()[0];
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getSinks()[1];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode = (RightInputAdapterNode) cNode.getSinkPropagator().getSinks()[0];
    NotNode notNode = (NotNode) liaNode.getSinkPropagator().getSinks()[2];
    RuleTerminalNode rtn2 = (RuleTerminalNode) notNode.getSinkPropagator().getSinks()[0];
    wm.insert(new LinkingTest.A());
    wm.insert(new LinkingTest.B());
    wm.insert(new LinkingTest.C());
    wm.flushPropagations();
    // LiaNode  is in it's own segment
    LiaNodeMemory liaMem = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    SegmentMemory smem = liaMem.getSegmentMemory();
    assertEquals(liaNode, smem.getRootNode());
    assertEquals(liaNode, smem.getTipNode());
    SegmentMemory rtnSmem1 = smem.getFirst();
    assertEquals(rtn1, rtnSmem1.getRootNode());
    assertEquals(rtn1, rtnSmem1.getTipNode());
    SegmentMemory bSmem = rtnSmem1.getNext();
    assertEquals(bNode, bSmem.getRootNode());
    assertEquals(riaNode, bSmem.getTipNode());
    SegmentMemory notSmem = bSmem.getNext();
    assertEquals(notNode, notSmem.getRootNode());
    assertEquals(rtn2, notSmem.getTipNode());
    // child segment is not yet initialised, so null
    assertNull(bSmem.getFirst());
}

Example 14 with LeftInputAdapterNode

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

the class SegmentCreationTest method testSingleEmptyLhs.

@Test
public void testSingleEmptyLhs() throws Exception {
    KieBase kbase = buildKnowledgeBase(" ");
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    ObjectTypeNode aotn = getObjectTypeNode(kbase, InitialFactImpl.class);
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn = (RuleTerminalNode) liaNode.getSinkPropagator().getSinks()[0];
    wm.insert(new LinkingTest.A());
    wm.flushPropagations();
    // LiaNode and Rule are in same segment
    LiaNodeMemory liaMem = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    SegmentMemory smem = liaMem.getSegmentMemory();
    assertEquals(liaNode, smem.getRootNode());
    assertEquals(rtn, smem.getTipNode());
    assertNull(smem.getNext());
    assertNull(smem.getFirst());
}

Example 15 with LeftInputAdapterNode

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

the class SegmentCreationTest method testSubnetworkNoSharing.

@Test
public void testSubnetworkNoSharing() throws Exception {
    KieBase kbase = buildKnowledgeBase(" A()  not ( B() and C() ) \n");
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    ObjectTypeNode aotn = getObjectTypeNode(kbase, LinkingTest.A.class);
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getSinks()[0];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode = (RightInputAdapterNode) cNode.getSinkPropagator().getSinks()[0];
    NotNode notNode = (NotNode) liaNode.getSinkPropagator().getSinks()[1];
    RuleTerminalNode rtn1 = (RuleTerminalNode) notNode.getSinkPropagator().getSinks()[0];
    wm.insert(new LinkingTest.A());
    wm.insert(new LinkingTest.B());
    wm.insert(new LinkingTest.C());
    wm.flushPropagations();
    // LiaNode is in it's own segment
    LiaNodeMemory liaMem = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    SegmentMemory smem = liaMem.getSegmentMemory();
    assertEquals(liaNode, smem.getRootNode());
    assertEquals(liaNode, smem.getTipNode());
    assertNull(smem.getNext());
    smem = smem.getFirst();
    // it's nested inside of smem, so lookup from wm
    SegmentMemory bSmem = wm.getNodeMemory(bNode).getSegmentMemory();
    assertEquals(smem, bSmem);
    assertEquals(bNode, bSmem.getRootNode());
    assertEquals(riaNode, bSmem.getTipNode());
    BetaMemory bm = (BetaMemory) wm.getNodeMemory(notNode);
    assertEquals(bm.getSegmentMemory(), smem.getNext());
    // check subnetwork ref was made
    assertEquals(bSmem, bm.getRiaRuleMemory().getSegmentMemory());
}