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

Example 16 with JoinNode

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

the class LinkingTest method testJoinNodes.

@Test
public void testJoinNodes() 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 : A() \n";
    str += "   $b : B() \n";
    str += "   $c : C() \n";
    str += "then \n";
    str += "  list.add( $a.getValue() + \":\"+ $b.getValue() + \":\" + $c.getValue() ); \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);
    ObjectTypeNode botn = getObjectTypeNode(kbase, B.class);
    ObjectTypeNode cotn = getObjectTypeNode(kbase, C.class);
    InternalWorkingMemory wm = (InternalWorkingMemory) kbase.newKieSession();
    List list = new ArrayList();
    wm.setGlobal("list", list);
    for (int i = 0; i < 3; i++) {
        wm.insert(new A(i));
    }
    for (int i = 0; i < 3; i++) {
        wm.insert(new B(i));
    }
    for (int i = 0; i < 29; i++) {
        wm.insert(new C(i));
    }
    wm.flushPropagations();
    LeftInputAdapterNode aNode = (LeftInputAdapterNode) aotn.getObjectSinkPropagator().getSinks()[0];
    JoinNode bNode = (JoinNode) aNode.getSinkPropagator().getSinks()[0];
    JoinNode cNode = (JoinNode) bNode.getSinkPropagator().getSinks()[0];
    LiaNodeMemory amem = (LiaNodeMemory) wm.getNodeMemory(aNode);
    BetaMemory bmem = (BetaMemory) wm.getNodeMemory(bNode);
    BetaMemory cmem = (BetaMemory) wm.getNodeMemory(cNode);
    // amem.getSegmentMemory().getStagedLeftTuples().insertSize() == 3
    assertNotNull(amem.getSegmentMemory().getStagedLeftTuples().getInsertFirst());
    assertNotNull(amem.getSegmentMemory().getStagedLeftTuples().getInsertFirst().getStagedNext());
    assertNotNull(amem.getSegmentMemory().getStagedLeftTuples().getInsertFirst().getStagedNext().getStagedNext());
    assertNull(amem.getSegmentMemory().getStagedLeftTuples().getInsertFirst().getStagedNext().getStagedNext().getStagedNext());
    // assertEquals( 3, bmem.getStagedRightTuples().insertSize() );
    assertNotNull(bmem.getStagedRightTuples().getInsertFirst());
    assertNotNull(bmem.getStagedRightTuples().getInsertFirst().getStagedNext());
    assertNotNull(bmem.getStagedRightTuples().getInsertFirst().getStagedNext().getStagedNext());
    assertNull(bmem.getStagedRightTuples().getInsertFirst().getStagedNext().getStagedNext().getStagedNext());
    wm.fireAllRules();
    assertNull(amem.getSegmentMemory().getStagedLeftTuples().getInsertFirst());
    assertNull(bmem.getStagedRightTuples().getInsertFirst());
    assertNull(cmem.getStagedRightTuples().getInsertFirst());
    assertEquals(261, list.size());
    assertTrue(list.contains("2:2:14"));
    assertTrue(list.contains("1:0:6"));
    assertTrue(list.contains("0:1:1"));
    assertTrue(list.contains("2:2:14"));
    assertTrue(list.contains("0:0:25"));
}

Example 17 with JoinNode

use of org.drools.core.reteoo.JoinNode 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 18 with JoinNode

use of org.drools.core.reteoo.JoinNode 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 19 with JoinNode

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

Example 20 with JoinNode

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

the class LinkingTest method testSubNetworkSharing.

@Test
public void testSubNetworkSharing() throws Exception {
    // Checks the network is correctly formed, with sharing
    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 liaNode = (LeftInputAdapterNode) node.getObjectSinkPropagator().getSinks()[0];
    assertEquals(3, liaNode.getSinkPropagator().size());
    ExistsNode existsNode2 = (ExistsNode) liaNode.getSinkPropagator().getSinks()[1];
    ExistsNode existsNode3 = (ExistsNode) liaNode.getSinkPropagator().getSinks()[2];
    JoinNode joinNodeB = (JoinNode) liaNode.getSinkPropagator().getSinks()[0];
    assertSame(joinNodeB.getRightInput(), getObjectTypeNode(kbase, B.class));
    JoinNode joinNodeC = (JoinNode) joinNodeB.getSinkPropagator().getSinks()[0];
    assertSame(joinNodeC.getRightInput(), getObjectTypeNode(kbase, C.class));
    assertEquals(2, joinNodeC.getSinkPropagator().size());
    JoinNode joinNodeD = (JoinNode) joinNodeC.getSinkPropagator().getSinks()[0];
    assertSame(joinNodeD.getRightInput(), getObjectTypeNode(kbase, D.class));
    assertEquals(2, joinNodeD.getSinkPropagator().size());
    assertSame(existsNode2, ((RightInputAdapterNode) joinNodeC.getSinkPropagator().getSinks()[1]).getObjectSinkPropagator().getSinks()[0]);
    assertSame(existsNode3, ((RightInputAdapterNode) joinNodeD.getSinkPropagator().getSinks()[1]).getObjectSinkPropagator().getSinks()[0]);
}