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

Example 26 with JoinNode

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

the class LinkingTest method testNotNodeUnlinksWithNoConstriants.

@Test
public void testNotNodeUnlinksWithNoConstriants() {
    String str = "";
    str += "package org.kie \n";
    str += "import " + A.class.getCanonicalName() + "\n";
    str += "import " + B.class.getCanonicalName() + "\n";
    str += "import " + C.class.getCanonicalName() + "\n";
    str += "import " + D.class.getCanonicalName() + "\n";
    str += "import " + E.class.getCanonicalName() + "\n";
    str += "import " + F.class.getCanonicalName() + "\n";
    str += "import " + G.class.getCanonicalName() + "\n";
    str += "global java.util.List list \n";
    str += "rule rule1 when \n";
    str += "   $a : A() \n";
    str += "   not B() \n";
    str += "   $c : C() \n";
    str += "then \n";
    str += "  list.add( 'x' ); \n";
    str += "end \n";
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
    assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    ObjectTypeNode aotn = getObjectTypeNode(kbase, A.class);
    InternalWorkingMemory wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    List list = new ArrayList();
    wm.setGlobal("list", list);
    LeftInputAdapterNode aNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    NotNode bNode = (NotNode) aNode.getSinkPropagator().getSinks()[0];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    SegmentUtilities.createSegmentMemory(cNode, wm);
    LiaNodeMemory amem = (LiaNodeMemory) wm.getNodeMemory(aNode);
    // Only NotNode is linked in
    assertEquals(2, amem.getSegmentMemory().getLinkedNodeMask());
    FactHandle fha = wm.insert(new A());
    FactHandle fhb = wm.insert(new B());
    FactHandle fhc = wm.insert(new C());
    wm.fireAllRules();
    assertEquals(0, list.size());
    // NotNode unlinks, which is allowed because it has no variable constraints
    assertEquals(5, amem.getSegmentMemory().getLinkedNodeMask());
    // NotNode links back in again, which is allowed because it has no variable constraints
    wm.retract(fhb);
    wm.flushPropagations();
    assertEquals(7, amem.getSegmentMemory().getLinkedNodeMask());
    wm.fireAllRules();
    assertEquals(1, list.size());
    // Now try with lots of facthandles on NotNode
    list.clear();
    List<FactHandle> handles = new ArrayList<FactHandle>();
    for (int i = 0; i < 5; i++) {
        handles.add(wm.insert(new B()));
    }
    wm.fireAllRules();
    assertEquals(0, list.size());
    assertEquals(5, amem.getSegmentMemory().getLinkedNodeMask());
    for (FactHandle fh : handles) {
        wm.retract(fh);
    }
    wm.flushPropagations();
    assertEquals(7, amem.getSegmentMemory().getLinkedNodeMask());
    wm.fireAllRules();
    assertEquals(1, list.size());
}

Example 27 with JoinNode

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

the class LinkingTest method testNonReactiveSubNetworkInShareMasks.

@Test
public void testNonReactiveSubNetworkInShareMasks() throws Exception {
    String str = "";
    str += "package org.kie \n";
    str += "import " + A.class.getCanonicalName() + "\n";
    str += "import " + B.class.getCanonicalName() + "\n";
    str += "import " + C.class.getCanonicalName() + "\n";
    str += "import " + D.class.getCanonicalName() + "\n";
    str += "import " + E.class.getCanonicalName() + "\n";
    str += "import " + F.class.getCanonicalName() + "\n";
    str += "import " + G.class.getCanonicalName() + "\n";
    str += "global java.util.List list \n";
    str += "rule rule1 when \n";
    str += "   A() \n";
    str += "   exists( B() and C() ) \n";
    str += "   exists( eval(1==1) ) \n";
    str += "   D() \n";
    str += "then \n";
    str += "end \n";
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
    assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    ObjectTypeNode node = getObjectTypeNode(kbase, A.class);
    InternalWorkingMemory wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) node.getObjectSinkPropagator().getSinks()[0];
    assertEquals(2, liaNode.getSinkPropagator().size());
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getSinks()[0];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    ExistsNode exists1n = (ExistsNode) liaNode.getSinkPropagator().getSinks()[1];
    EvalConditionNode evalNode = (EvalConditionNode) exists1n.getSinkPropagator().getSinks()[0];
    ExistsNode exists2n = (ExistsNode) exists1n.getSinkPropagator().getSinks()[1];
    JoinNode dNode = (JoinNode) exists2n.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn = (RuleTerminalNode) dNode.getSinkPropagator().getSinks()[0];
    wm.insert(new A());
    PathMemory pmem = (PathMemory) wm.getNodeMemory(rtn);
    assertEquals(3, pmem.getSegmentMemories().length);
    // D is in the exists segment
    assertEquals(7, pmem.getAllLinkedMaskTest());
    BetaMemory bm = (BetaMemory) wm.getNodeMemory(dNode);
    // check lazy initialization
    assertNull(bm.getSegmentMemory());
    wm.insert(new D());
    wm.flushPropagations();
    // only D can be linked in
    assertEquals(2, bm.getSegmentMemory().getAllLinkedMaskTest());
}

Example 28 with JoinNode

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

the class LinkingTest method testNestedSubNetworkMasks.

@Test
public void testNestedSubNetworkMasks() throws Exception {
    String str = "";
    str += "package org.kie \n";
    str += "import " + A.class.getCanonicalName() + "\n";
    str += "import " + B.class.getCanonicalName() + "\n";
    str += "import " + C.class.getCanonicalName() + "\n";
    str += "import " + D.class.getCanonicalName() + "\n";
    str += "import " + E.class.getCanonicalName() + "\n";
    str += "import " + F.class.getCanonicalName() + "\n";
    str += "import " + G.class.getCanonicalName() + "\n";
    str += "global java.util.List list \n";
    str += "rule rule1 when \n";
    str += "   A() \n";
    str += "   B() \n";
    str += "   exists( C() and D() and exists( E() and F() ) ) \n";
    str += "   G() \n";
    str += "then \n";
    str += "end \n";
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
    assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    ObjectTypeNode node = getObjectTypeNode(kbase, A.class);
    InternalWorkingMemory wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) node.getObjectSinkPropagator().getSinks()[0];
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getSinks()[0];
    ExistsNode exists1n = (ExistsNode) bNode.getSinkPropagator().getSinks()[1];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    JoinNode dNode = (JoinNode) cNode.getSinkPropagator().getSinks()[0];
    ExistsNode exists2n = (ExistsNode) dNode.getSinkPropagator().getSinks()[1];
    JoinNode eNode = (JoinNode) dNode.getSinkPropagator().getSinks()[0];
    JoinNode fNode = (JoinNode) eNode.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode2 = (RightInputAdapterNode) fNode.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode1 = (RightInputAdapterNode) exists2n.getSinkPropagator().getSinks()[0];
    JoinNode gNode = (JoinNode) exists1n.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn = (RuleTerminalNode) gNode.getSinkPropagator().getSinks()[0];
    wm.insert(new A());
    wm.insert(new B());
    wm.insert(new C());
    wm.insert(new D());
    wm.insert(new G());
    wm.flushPropagations();
    LiaNodeMemory liaMem = (LiaNodeMemory) wm.getNodeMemory(liaNode);
    BetaMemory bMem = (BetaMemory) wm.getNodeMemory(bNode);
    BetaMemory exists1Mem = (BetaMemory) wm.getNodeMemory(exists1n);
    BetaMemory cMem = (BetaMemory) wm.getNodeMemory(cNode);
    BetaMemory dMem = (BetaMemory) wm.getNodeMemory(dNode);
    BetaMemory exists2Mem = (BetaMemory) wm.getNodeMemory(exists2n);
    BetaMemory eMem = (BetaMemory) wm.getNodeMemory(eNode);
    BetaMemory fMem = (BetaMemory) wm.getNodeMemory(fNode);
    BetaMemory gMem = (BetaMemory) wm.getNodeMemory(gNode);
    RightInputAdapterNode.RiaNodeMemory riaMem1 = (RightInputAdapterNode.RiaNodeMemory) wm.getNodeMemory(riaNode1);
    RightInputAdapterNode.RiaNodeMemory riaMem2 = (RightInputAdapterNode.RiaNodeMemory) wm.getNodeMemory(riaNode2);
    PathMemory rs = (PathMemory) wm.getNodeMemory(rtn);
    // E and F are not inserted yet, so rule is unlinked
    assertFalse(rs.isRuleLinked());
    // ---
    // assert a and b in same segment
    assertSame(liaMem.getSegmentMemory(), bMem.getSegmentMemory());
    // exists1 and b not in same segment
    assertNotSame(bMem.getSegmentMemory(), exists1Mem.getSegmentMemory());
    // exists1 and b are in same segment
    assertSame(exists1Mem.getSegmentMemory(), gMem.getSegmentMemory());
    // check segment masks
    assertEquals(2, rs.getSegmentMemories().length);
    assertEquals(3, rs.getAllLinkedMaskTest());
    assertEquals(1, rs.getLinkedSegmentMask());
    assertEquals(3, liaMem.getSegmentMemory().getAllLinkedMaskTest());
    assertEquals(1, liaMem.getNodePosMaskBit());
    assertEquals(2, bMem.getNodePosMaskBit());
    assertEquals(3, exists1Mem.getSegmentMemory().getAllLinkedMaskTest());
    assertEquals(1, exists1Mem.getNodePosMaskBit());
    assertEquals(2, gMem.getNodePosMaskBit());
    // assert c, d are in the same segment, and that this is the only segment in ria1 memory
    assertSame(dMem.getSegmentMemory(), cMem.getSegmentMemory());
    // assert d and exists are not in the same segment
    assertNotSame(exists2Mem.getSegmentMemory(), dMem.getSegmentMemory());
    assertEquals(3, riaMem1.getRiaPathMemory().getSegmentMemories().length);
    // only needs to know about segments in the subnetwork
    assertEquals(null, riaMem1.getRiaPathMemory().getSegmentMemories()[0]);
    assertEquals(dMem.getSegmentMemory(), riaMem1.getRiaPathMemory().getSegmentMemories()[1]);
    assertEquals(1, dMem.getSegmentMemory().getPathMemories().size());
    assertSame(riaMem1.getRiaPathMemory(), cMem.getSegmentMemory().getPathMemories().get(0));
    assertEquals(3, cMem.getSegmentMemory().getAllLinkedMaskTest());
    // E and F is not yet inserted, so bit is not set
    assertEquals(3, cMem.getSegmentMemory().getLinkedNodeMask());
    assertEquals(1, cMem.getNodePosMaskBit());
    assertEquals(2, dMem.getNodePosMaskBit());
    assertEquals(0, exists2Mem.getNodePosMaskBit());
    // insert to lazy initialize exists2Mem segment
    FactHandle fhE1 = wm.insert(new E());
    FactHandle fhF1 = wm.insert(new F());
    wm.flushPropagations();
    assertEquals(1, exists2Mem.getNodePosMaskBit());
    // only cares that the segment for c, E and exists1 are set, ignores the outer first segment
    assertEquals(6, riaMem1.getRiaPathMemory().getAllLinkedMaskTest());
    // E and F are inerted, so 6
    assertEquals(6, riaMem1.getRiaPathMemory().getLinkedSegmentMask());
    wm.delete(fhE1);
    wm.delete(fhF1);
    wm.flushPropagations();
    // E deleted
    assertEquals(2, riaMem1.getRiaPathMemory().getLinkedSegmentMask());
    // assert e, f are in the same segment, and that this is the only segment in ria2 memory
    // subnetworks are recursively created, so segment already exists
    assertNotNull(null, eMem.getSegmentMemory());
    assertSame(fMem.getSegmentMemory(), eMem.getSegmentMemory());
    assertEquals(3, riaMem2.getRiaPathMemory().getSegmentMemories().length);
    // only needs to know about segments in the subnetwork
    assertEquals(null, riaMem2.getRiaPathMemory().getSegmentMemories()[0]);
    // only needs to know about segments in the subnetwork
    assertEquals(null, riaMem2.getRiaPathMemory().getSegmentMemories()[1]);
    assertEquals(fMem.getSegmentMemory(), riaMem2.getRiaPathMemory().getSegmentMemories()[2]);
    assertSame(riaMem2.getRiaPathMemory(), eMem.getSegmentMemory().getPathMemories().get(0));
    assertEquals(3, eMem.getSegmentMemory().getAllLinkedMaskTest());
    assertEquals(0, eMem.getSegmentMemory().getLinkedNodeMask());
    // only cares that the segment for e and f set, ignores the outer two segment
    assertEquals(4, riaMem2.getRiaPathMemory().getAllLinkedMaskTest());
    // E and F is not yet inserted, so bit is not set
    assertEquals(0, riaMem2.getRiaPathMemory().getLinkedSegmentMask());
    fhE1 = wm.insert(new E());
    wm.insert(new F());
    wm.flushPropagations();
    // E and F are now inserted yet, so rule is linked
    assertTrue(rs.isRuleLinked());
    assertEquals(3, rs.getAllLinkedMaskTest());
    assertEquals(3, rs.getLinkedSegmentMask());
    // retest bits
    assertEquals(3, cMem.getSegmentMemory().getAllLinkedMaskTest());
    assertEquals(3, cMem.getSegmentMemory().getLinkedNodeMask());
    assertEquals(6, riaMem1.getRiaPathMemory().getAllLinkedMaskTest());
    assertEquals(6, riaMem1.getRiaPathMemory().getLinkedSegmentMask());
    assertEquals(3, eMem.getSegmentMemory().getAllLinkedMaskTest());
    assertEquals(3, eMem.getSegmentMemory().getLinkedNodeMask());
    assertEquals(4, riaMem2.getRiaPathMemory().getAllLinkedMaskTest());
    assertEquals(4, riaMem2.getRiaPathMemory().getLinkedSegmentMask());
    wm.delete(fhE1);
    wm.flushPropagations();
    // retest bits
    assertFalse(rs.isRuleLinked());
    assertEquals(3, cMem.getSegmentMemory().getLinkedNodeMask());
    assertEquals(2, riaMem1.getRiaPathMemory().getLinkedSegmentMask());
    assertEquals(2, eMem.getSegmentMemory().getLinkedNodeMask());
    assertEquals(0, riaMem2.getRiaPathMemory().getLinkedSegmentMask());
}

Example 29 with JoinNode

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

the class SegmentCreationTest method tesShareInSubnetwork.

@Test
public void tesShareInSubnetwork() throws Exception {
    KieBase kbase = buildKnowledgeBase("   A() \n", "   A() B() C() \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];
    RuleTerminalNode rtn2 = (RuleTerminalNode) cNode.getSinkPropagator().getSinks()[0];
    RightInputAdapterNode riaNode = (RightInputAdapterNode) cNode.getSinkPropagator().getSinks()[1];
    NotNode notNode = (NotNode) liaNode.getSinkPropagator().getSinks()[2];
    RuleTerminalNode rtn3 = (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(cNode, bSmem.getTipNode());
    // segment is not initialized yet
    assertNull(bSmem.getFirst());
    wm.fireAllRules();
    SegmentMemory rtn2Smem = bSmem.getFirst();
    assertEquals(rtn2, rtn2Smem.getRootNode());
    assertEquals(rtn2, rtn2Smem.getTipNode());
    SegmentMemory riaSmem = rtn2Smem.getNext();
    assertEquals(riaNode, riaSmem.getRootNode());
    assertEquals(riaNode, riaSmem.getTipNode());
    SegmentMemory notSmem = bSmem.getNext();
    assertEquals(notNode, notSmem.getRootNode());
    assertEquals(rtn3, notSmem.getTipNode());
}

Example 30 with JoinNode

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

the class SegmentCreationTest method testBranchCEMultipleSegments.

@Test
public void testBranchCEMultipleSegments() throws Exception {
    KieBase kbase = buildKnowledgeBase(// r1
    "   $a : A() \n", "   $a : A() \n" + "   if ( $a != null ) do[t1] \n" + // r2
    "   B() \n", "   $a : A() \n" + "   if ( $a != null ) do[t1] \n" + "   B() \n" + // r3
    "   C() \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()[1];
    JoinNode bNode = (JoinNode) cen1Node.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn2 = (RuleTerminalNode) bNode.getSinkPropagator().getSinks()[0];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[1];
    RuleTerminalNode rtn3 = (RuleTerminalNode) cNode.getSinkPropagator().getSinks()[0];
    FactHandle bFh = wm.insert(new LinkingTest.B());
    FactHandle cFh = wm.insert(new LinkingTest.C());
    wm.flushPropagations();
    BetaMemory bNodeBm = (BetaMemory) wm.getNodeMemory(bNode);
    SegmentMemory bNodeSmem = bNodeBm.getSegmentMemory();
    // no beta nodes before branch CE, so never unlinks
    assertEquals(0, bNodeSmem.getAllLinkedMaskTest());
    assertEquals(2, bNodeSmem.getLinkedNodeMask());
    PathMemory pmemr2 = (PathMemory) wm.getNodeMemory(rtn2);
    assertEquals(1, pmemr2.getAllLinkedMaskTest());
    assertEquals(2, pmemr2.getLinkedSegmentMask());
    assertEquals(3, pmemr2.getSegmentMemories().length);
    assertFalse(pmemr2.isRuleLinked());
    PathMemory pmemr3 = (PathMemory) wm.getNodeMemory(rtn3);
    // notice only the first segment links
    assertEquals(1, pmemr3.getAllLinkedMaskTest());
    assertEquals(3, pmemr3.getSegmentMemories().length);
    assertFalse(pmemr3.isRuleLinked());
    BetaMemory cNodeBm = (BetaMemory) wm.getNodeMemory(cNode);
    SegmentMemory cNodeSmem = cNodeBm.getSegmentMemory();
    assertEquals(1, cNodeSmem.getAllLinkedMaskTest());
    assertEquals(1, cNodeSmem.getLinkedNodeMask());
    wm.insert(new LinkingTest.A());
    wm.flushPropagations();
    assertTrue(pmemr2.isRuleLinked());
    assertTrue(pmemr3.isRuleLinked());
    // retract B does not unlink the rule
    wm.delete(bFh);
    // retract C does not unlink the rule
    wm.delete(cFh);
    wm.flushPropagations();
    // b segment never unlinks, as it has no impact on path unlinking anyway
    assertEquals(3, pmemr2.getLinkedSegmentMask());
    assertTrue(pmemr2.isRuleLinked());
    // b segment never unlinks, as it has no impact on path unlinking anyway
    assertEquals(3, pmemr3.getLinkedSegmentMask());
    assertTrue(pmemr3.isRuleLinked());
}