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

Example 1 with ObjectTypeNode

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

the class RuleBaseNodes method buildNodeMap.

private static void buildNodeMap(InternalKnowledgeBase kBase, Map<Integer, BaseNode> nodes) {
    for (ObjectTypeNode sink : kBase.getRete().getObjectTypeNodes()) {
        nodes.put(sink.getId(), sink);
        addObjectSink(kBase, sink, nodes);
    }
}

Example 2 with ObjectTypeNode

use of org.drools.core.reteoo.ObjectTypeNode 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 3 with ObjectTypeNode

use of org.drools.core.reteoo.ObjectTypeNode 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 4 with ObjectTypeNode

use of org.drools.core.reteoo.ObjectTypeNode 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 5 with ObjectTypeNode

use of org.drools.core.reteoo.ObjectTypeNode 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());
}