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

Example 16 with PathMemory

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

the class RemoveRuleTest method testSplitTwoBeforeCreatedSegment.

@Test
public void testSplitTwoBeforeCreatedSegment() throws Exception {
    InternalKnowledgeBase kbase1 = buildKnowledgeBase("r1", "   A(1;)  A(2;) B(1;) B(2;) C(1;) C(2;) D(1;) D(2;) E(1;) E(2;)\n");
    kbase1.addPackages(buildKnowledgePackage("r2", "   A(1;)  A(2;) B(1;) B(2;) C(1;) C(2;) D(1;) D(2;) E(1;) E(2;)\n"));
    kbase1.addPackages(buildKnowledgePackage("r3", "   A(1;)  A(2;) B(1;) B(2;) C(1;) C(2;) D(1;) D(2;)\n"));
    kbase1.addPackages(buildKnowledgePackage("r4", "   A(1;)  A(2;) B(1;) B(2;) C(1;) C(2;) \n"));
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase1.newKieSession());
    List list = new ArrayList();
    wm.setGlobal("list", list);
    wm.insert(new E(1));
    wm.insert(new E(2));
    wm.flushPropagations();
    RuleTerminalNode rtn1 = getRtn("org.kie.r1", kbase1);
    RuleTerminalNode rtn2 = getRtn("org.kie.r2", kbase1);
    RuleTerminalNode rtn3 = getRtn("org.kie.r3", kbase1);
    RuleTerminalNode rtn4 = getRtn("org.kie.r4", kbase1);
    PathMemory pm1 = (PathMemory) wm.getNodeMemory(rtn1);
    SegmentMemory[] smems = pm1.getSegmentMemories();
    assertEquals(4, smems.length);
    assertNull(smems[0]);
    assertNull(smems[1]);
    assertNull(smems[3]);
    SegmentMemory sm = smems[2];
    assertEquals(2, sm.getPos());
    assertEquals(4, sm.getSegmentPosMaskBit());
    assertEquals(4, pm1.getLinkedSegmentMask());
    kbase1.addPackages(buildKnowledgePackage("r5", "   A(1;)  A(2;) B(1;) B(2;) \n"));
    smems = pm1.getSegmentMemories();
    assertEquals(5, smems.length);
    assertNull(smems[0]);
    assertNull(smems[1]);
    assertNull(smems[2]);
    sm = smems[3];
    assertEquals(3, sm.getPos());
    assertEquals(8, sm.getSegmentPosMaskBit());
    assertEquals(8, pm1.getLinkedSegmentMask());
    RuleTerminalNode rtn5 = getRtn("org.kie.r5", kbase1);
    PathMemory pm5 = (PathMemory) wm.getNodeMemory(rtn5);
    smems = pm5.getSegmentMemories();
    assertEquals(2, smems.length);
    assertNull(smems[0]);
    assertNull(smems[1]);
}

Example 17 with PathMemory

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

the class RemoveRuleTest 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());
    assertEquals(7, countNodeMemories(wm.getNodeMemories()));
    kbase1.addPackages(buildKnowledgePackage("r2", "   A() B() C() D() E()\n"));
    wm.fireAllRules();
    assertEquals(8, countNodeMemories(wm.getNodeMemories()));
    assertEquals(4, list.size());
    RuleTerminalNode rtn1 = getRtn("org.kie.r1", kbase1);
    RuleTerminalNode rtn2 = getRtn("org.kie.r2", kbase1);
    PathMemory pmem1 = (PathMemory) wm.getNodeMemory(rtn1);
    PathMemory pmem2 = (PathMemory) wm.getNodeMemory(rtn2);
    SegmentMemory[] smems1 = pmem1.getSegmentMemories();
    SegmentMemory[] smems2 = pmem2.getSegmentMemories();
    assertEquals(2, smems1.length);
    assertEquals(2, smems2.length);
    assertSame(smems1[0], smems2[0]);
    assertNotSame(smems1[1], smems2[1]);
    SegmentMemory sm = smems1[0];
    assertEquals(smems1[1], sm.getFirst());
    JoinNode eNode1 = (JoinNode) rtn1.getLeftTupleSource();
    JoinNode eNode2 = (JoinNode) rtn2.getLeftTupleSource();
    assertSame(eNode1, eNode2);
    pmem1 = (PathMemory) wm.getNodeMemory(rtn1);
    kbase1.removeRule("org.kie", "r2");
    System.out.println("---");
    assertEquals(7, countNodeMemories(wm.getNodeMemories()));
    assertNull(sm.getFirst());
    pmem1 = (PathMemory) wm.getNodeMemory(rtn1);
    smems1 = pmem1.getSegmentMemories();
    assertEquals(1, smems1.length);
    assertSame(sm, smems1[0]);
    wm.insert(new A(1));
    wm.fireAllRules();
    assertEquals("r1", ((Match) list.get(4)).getRule().getName());
    // only one more added, as second rule as removed
    assertEquals(5, list.size());
}

Example 18 with PathMemory

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

the class LinkingTest method testSubNetworkSharingMemories.

@Test
public void testSubNetworkSharingMemories() throws Exception {
    // checks the memory sharing works, and linking, uses the already checked network from testSubNetworkSharing
    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 += "global java.util.List list \n";
    str += "rule rule1 when \n";
    str += "   A() \n";
    str += "   B() \n";
    str += "   C() \n";
    str += "   D() \n";
    str += "then \n";
    str += "end \n";
    str += "rule rule2 when \n";
    str += "   A() \n";
    str += "   exists( B() and C() ) \n";
    str += "   D() \n";
    str += "then \n";
    str += "end \n";
    str += "rule rule3 when \n";
    str += "   A() \n";
    str += "   exists( B() and C() and D() ) \n";
    str += "   E() \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 liaNodeA = (LeftInputAdapterNode) node.getObjectSinkPropagator().getSinks()[0];
    ExistsNode existsNode2 = (ExistsNode) liaNodeA.getSinkPropagator().getSinks()[1];
    ExistsNode existsNode3 = (ExistsNode) liaNodeA.getSinkPropagator().getSinks()[2];
    JoinNode joinNodeB = (JoinNode) liaNodeA.getSinkPropagator().getSinks()[0];
    JoinNode joinNodeC = (JoinNode) joinNodeB.getSinkPropagator().getSinks()[0];
    JoinNode joinNodeD1 = (JoinNode) joinNodeC.getSinkPropagator().getSinks()[0];
    JoinNode joinNodeD2 = (JoinNode) existsNode2.getSinkPropagator().getSinks()[0];
    JoinNode joinNodeE = (JoinNode) existsNode3.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn1 = (RuleTerminalNode) joinNodeD1.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn2 = (RuleTerminalNode) joinNodeD2.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn3 = (RuleTerminalNode) joinNodeE.getSinkPropagator().getSinks()[0];
    FactHandle fha = wm.insert(new A());
    wm.insert(new B());
    wm.insert(new C());
    wm.insert(new D());
    wm.flushPropagations();
    BetaMemory bm = null;
    LiaNodeMemory liam = (LiaNodeMemory) wm.getNodeMemory(liaNodeA);
    BetaMemory bm1 = (BetaMemory) wm.getNodeMemory(joinNodeB);
    BetaMemory bm2 = (BetaMemory) wm.getNodeMemory(joinNodeC);
    BetaMemory bm3 = (BetaMemory) wm.getNodeMemory(joinNodeD1);
    assertEquals(1, liam.getNodePosMaskBit());
    assertEquals(1, bm1.getNodePosMaskBit());
    assertEquals(2, bm2.getNodePosMaskBit());
    assertEquals(1, bm3.getNodePosMaskBit());
    assertNotSame(liam.getSegmentMemory(), bm1.getSegmentMemory());
    assertSame(bm1.getSegmentMemory(), bm2.getSegmentMemory());
    assertNotSame(bm2.getSegmentMemory(), bm3.getSegmentMemory());
    BetaMemory bm4 = (BetaMemory) wm.getNodeMemory(existsNode2);
    BetaMemory bm5 = (BetaMemory) wm.getNodeMemory(joinNodeD2);
    assertEquals(1, bm4.getNodePosMaskBit());
    assertEquals(2, bm5.getNodePosMaskBit());
    assertSame(bm4.getSegmentMemory(), bm5.getSegmentMemory());
    PathMemory rs1 = (PathMemory) wm.getNodeMemory(rtn1);
    PathMemory rs2 = (PathMemory) wm.getNodeMemory(rtn2);
    PathMemory rs3 = (PathMemory) wm.getNodeMemory(rtn3);
    assertTrue(rs1.isRuleLinked());
    assertTrue(rs2.isRuleLinked());
    // no E yet
    assertFalse(rs3.isRuleLinked());
    wm.insert(new E());
    wm.flushPropagations();
    BetaMemory bm6 = (BetaMemory) wm.getNodeMemory(existsNode3);
    BetaMemory bm7 = (BetaMemory) wm.getNodeMemory(joinNodeE);
    assertEquals(1, bm6.getNodePosMaskBit());
    assertEquals(2, bm7.getNodePosMaskBit());
    assertSame(bm6.getSegmentMemory(), bm7.getSegmentMemory());
    assertTrue(rs1.isRuleLinked());
    assertTrue(rs2.isRuleLinked());
    assertTrue(rs3.isRuleLinked());
    wm.retract(fha);
    // need to have rules evalulated, for unlinking to happen
    wm.fireAllRules();
    assertFalse(rs1.isRuleLinked());
    assertFalse(rs2.isRuleLinked());
    assertFalse(rs3.isRuleLinked());
}

Example 19 with PathMemory

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

the class LinkingTest method testNestedSubNetwork.

@Test
public void testNestedSubNetwork() 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];
    assertEquals(1, liaNode.getSinkPropagator().size());
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getSinks()[0];
    assertEquals(2, bNode.getSinkPropagator().size());
    ExistsNode exists1n = (ExistsNode) bNode.getSinkPropagator().getSinks()[1];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    JoinNode dNode = (JoinNode) cNode.getSinkPropagator().getSinks()[0];
    assertEquals(2, dNode.getSinkPropagator().size());
    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];
    assertEquals(exists2n, riaNode2.getObjectSinkPropagator().getSinks()[0]);
    RightInputAdapterNode riaNode1 = (RightInputAdapterNode) exists2n.getSinkPropagator().getSinks()[0];
    assertEquals(exists1n, riaNode1.getObjectSinkPropagator().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 F());
    wm.insert(new G());
    PathMemory rs = (PathMemory) wm.getNodeMemory(rtn);
    assertFalse(rs.isRuleLinked());
    FactHandle fhE1 = wm.insert(new E());
    FactHandle fhE2 = wm.insert(new E());
    wm.flushPropagations();
    assertTrue(rs.isRuleLinked());
    wm.retract(fhE1);
    wm.flushPropagations();
    assertTrue(rs.isRuleLinked());
    wm.retract(fhE2);
    wm.flushPropagations();
    assertFalse(rs.isRuleLinked());
}

Example 20 with PathMemory

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

the class LinkingTest method testSubNetworkRiaLinking.

@Test
public void testSubNetworkRiaLinking() 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 += "global java.util.List list \n";
    str += "rule rule1 when \n";
    str += "   A() \n";
    str += "   B() \n";
    str += "   exists( C() and D() ) \n";
    str += "   E() \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(1, liaNode.getSinkPropagator().size());
    JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getSinks()[0];
    assertEquals(2, bNode.getSinkPropagator().size());
    ExistsNode exists1n = (ExistsNode) bNode.getSinkPropagator().getSinks()[1];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    JoinNode dNode = (JoinNode) cNode.getSinkPropagator().getSinks()[0];
    assertEquals(1, dNode.getSinkPropagator().size());
    RightInputAdapterNode riaNode1 = (RightInputAdapterNode) dNode.getSinkPropagator().getSinks()[0];
    JoinNode eNode = (JoinNode) exists1n.getSinkPropagator().getSinks()[0];
    RuleTerminalNode rtn = (RuleTerminalNode) eNode.getSinkPropagator().getSinks()[0];
    SegmentUtilities.createSegmentMemory(exists1n, wm);
    BetaMemory existsBm = (BetaMemory) wm.getNodeMemory(exists1n);
    assertEquals(0, existsBm.getSegmentMemory().getLinkedNodeMask());
    FactHandle fhc = wm.insert(new C());
    FactHandle fhd = wm.insert(new D());
    wm.flushPropagations();
    // exists is start of new segment
    assertEquals(1, existsBm.getSegmentMemory().getLinkedNodeMask());
    wm.retract(fhd);
    wm.flushPropagations();
    assertEquals(0, existsBm.getSegmentMemory().getLinkedNodeMask());
    PathMemory rs = (PathMemory) wm.getNodeMemory(rtn);
    assertFalse(rs.isRuleLinked());
    wm.insert(new A());
    wm.flushPropagations();
    assertFalse(rs.isRuleLinked());
    wm.insert(new B());
    wm.flushPropagations();
    assertFalse(rs.isRuleLinked());
    wm.insert(new E());
    wm.flushPropagations();
    assertFalse(rs.isRuleLinked());
    wm.insert(new D());
    wm.flushPropagations();
    assertTrue(rs.isRuleLinked());
    wm.retract(fhc);
    wm.flushPropagations();
    assertFalse(rs.isRuleLinked());
    wm.insert(new C());
    wm.flushPropagations();
    assertTrue(rs.isRuleLinked());
}