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

Example 26 with AlphaNode

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

the class PropertySpecificTest method testBetaSharedAlphaNoWatches.

@Test
public void testBetaSharedAlphaNoWatches() {
    String rule1 = "$b : B( a == 15) @watch(c, !a) A( a == 10, s == 15, b == $b.b  )";
    String rule2 = "$b : B( a == 15) @watch(j, !i) A( a == 10, i == 20, b == $b.b  )";
    KieBase kbase = getKnowledgeBase(rule1, rule2);
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    ObjectTypeNode otn = getObjectTypeNode(kbase, "A");
    assertNotNull(otn);
    Class classType = ((ClassObjectType) otn.getObjectType()).getClassType();
    List<String> sp = getSettableProperties(wm, otn);
    AlphaNode alphaNode1 = (AlphaNode) otn.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode1.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b", "s", "i"), sp), alphaNode1.getInferredMask());
    // first share
    AlphaNode alphaNode1_1 = (AlphaNode) alphaNode1.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("s"), sp), alphaNode1_1.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "s", "b"), sp), alphaNode1_1.getInferredMask());
    BetaNode betaNode1 = (BetaNode) alphaNode1_1.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("b"), sp), betaNode1.getRightDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "s", "b"), sp), betaNode1.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "c"), sp), betaNode1.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "c"), sp), betaNode1.getLeftInferredMask());
    assertEquals(calculateNegativeMask(classType, list("!a"), sp), betaNode1.getLeftNegativeMask());
    // second share
    AlphaNode alphaNode1_2 = (AlphaNode) alphaNode1.getObjectSinkPropagator().getSinks()[1];
    assertEquals(calculatePositiveMask(classType, list("i"), sp), alphaNode1_2.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "i", "b"), sp), alphaNode1_2.getInferredMask());
    BetaNode betaNode2 = (BetaNode) alphaNode1_2.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("b"), sp), betaNode2.getRightDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "i", "b"), sp), betaNode2.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "j"), sp), betaNode2.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b", "j"), sp), betaNode2.getLeftInferredMask());
    assertEquals(calculateNegativeMask(classType, list("!i"), sp), betaNode2.getLeftNegativeMask());
    // test rule removal
    kbase.removeRule("org.drools.compiler.integrationtests", "r0");
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode1.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "i", "b"), sp), alphaNode1.getInferredMask());
    assertEquals(calculatePositiveMask(classType, list("i"), sp), alphaNode1_2.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "i", "b"), sp), alphaNode1_2.getInferredMask());
    assertEquals(calculatePositiveMask(classType, list("b"), sp), betaNode2.getRightDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "i", "b"), sp), betaNode2.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "c"), sp), betaNode1.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "c"), sp), betaNode1.getLeftInferredMask());
    assertEquals(calculateNegativeMask(classType, list("!a"), sp), betaNode1.getLeftNegativeMask());
    // have to rebuild to remove r1
    kbase = getKnowledgeBase(rule1, rule2);
    kbase.removeRule("org.drools.compiler.integrationtests", "r1");
    otn = getObjectTypeNode(kbase, "A");
    alphaNode1 = (AlphaNode) otn.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode1.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "s", "b"), sp), alphaNode1.getInferredMask());
    alphaNode1_1 = (AlphaNode) alphaNode1.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("s"), sp), alphaNode1_1.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "s", "b"), sp), alphaNode1_1.getInferredMask());
    betaNode1 = (BetaNode) alphaNode1_1.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("b"), sp), betaNode1.getRightDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "s", "b"), sp), betaNode1.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "j"), sp), betaNode2.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b", "j"), sp), betaNode2.getLeftInferredMask());
    assertEquals(calculateNegativeMask(classType, list("!i"), sp), betaNode2.getLeftNegativeMask());
}

Example 27 with AlphaNode

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

the class PropertySpecificTest method testRtnWithConstraintsNoWatches.

@Test
public void testRtnWithConstraintsNoWatches() {
    String rule1 = "A( a == 10 )";
    KieBase kbase = getKnowledgeBase(rule1);
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    ObjectTypeNode otn = getObjectTypeNode(kbase, "A");
    assertNotNull(otn);
    Class classType = ((ClassObjectType) otn.getObjectType()).getClassType();
    List<String> sp = getSettableProperties(wm, otn);
    AlphaNode alphaNode = (AlphaNode) otn.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode.getInferredMask());
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) alphaNode.getObjectSinkPropagator().getSinks()[0];
    RuleTerminalNode rtNode = (RuleTerminalNode) liaNode.getSinkPropagator().getSinks()[0];
    // rtn declares nothing
    assertEquals(EmptyBitMask.get(), rtNode.getDeclaredMask());
    // rtn infers from alpha
    assertEquals(calculatePositiveMask(classType, list("a"), sp), rtNode.getInferredMask());
}

Example 28 with AlphaNode

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

the class PropertySpecificTest method testComplexBetaSharedAlphaWithWatchesRemoveR3.

@Test
public void testComplexBetaSharedAlphaWithWatchesRemoveR3() {
    String rule1 = "$b : B( b == 15) @watch(i) A( a == 10, b == 15 ) @watch(c)";
    String rule2 = "$b : B( b == 15) @watch(j) A( a == 10, i == 20 ) @watch(s)";
    String rule3 = "$b : B( c == 15) @watch(k) A( a == 10, i == 20, b == 10 ) @watch(j)";
    KieBase kbase = getKnowledgeBase(rule1, rule2, rule3);
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    kbase.removeRule("org.drools.compiler.integrationtests", "r2");
    ObjectTypeNode otn = getObjectTypeNode(kbase, "A");
    assertNotNull(otn);
    Class classType = ((ClassObjectType) otn.getObjectType()).getClassType();
    List<String> sp = getSettableProperties(wm, otn);
    AlphaNode alphaNode1 = (AlphaNode) otn.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode1.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b", "c", "i", "s"), sp), alphaNode1.getInferredMask());
    // first share
    AlphaNode alphaNode1_1 = (AlphaNode) alphaNode1.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("b"), sp), alphaNode1_1.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b", "c"), sp), alphaNode1_1.getInferredMask());
    // first split
    BetaNode betaNode1 = (BetaNode) alphaNode1_1.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("c"), sp), betaNode1.getRightDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b", "c"), sp), betaNode1.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("i"), sp), betaNode1.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "i"), sp), betaNode1.getLeftInferredMask());
    // second split
    AlphaNode alphaNode1_2 = (AlphaNode) alphaNode1.getObjectSinkPropagator().getSinks()[1];
    assertEquals(calculatePositiveMask(classType, list("i"), sp), alphaNode1_2.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "i", "s"), sp), alphaNode1_2.getInferredMask());
    BetaNode betaNode2 = (BetaNode) alphaNode1_2.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("s"), sp), betaNode2.getRightDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "i", "s"), sp), betaNode2.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("j"), sp), betaNode2.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("b", "j"), sp), betaNode2.getLeftInferredMask());
}

Example 29 with AlphaNode

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

the class MemoryLeakTest method testStagedLeftTupleLeak.

@Test
public void testStagedLeftTupleLeak() throws Exception {
    // BZ-1058874
    String str = "rule R1 when\n" + "    String( this == \"this\" )\n" + "    String( this == \"that\" )\n" + "then\n" + "end\n";
    KieBase kbase = new KieHelper().addContent(str, ResourceType.DRL).build();
    KieSession ksession = kbase.newKieSession();
    ksession.fireAllRules();
    for (int i = 0; i < 10; i++) {
        FactHandle fh = ksession.insert("this");
        ksession.fireAllRules();
        ksession.delete(fh);
        ksession.fireAllRules();
    }
    Rete rete = ((KnowledgeBaseImpl) kbase).getRete();
    LeftInputAdapterNode liaNode = null;
    for (ObjectTypeNode otn : rete.getObjectTypeNodes()) {
        if (String.class == otn.getObjectType().getValueType().getClassType()) {
            AlphaNode alphaNode = (AlphaNode) otn.getObjectSinkPropagator().getSinks()[0];
            liaNode = (LeftInputAdapterNode) alphaNode.getObjectSinkPropagator().getSinks()[0];
            break;
        }
    }
    assertNotNull(liaNode);
    InternalWorkingMemory wm = (InternalWorkingMemory) ksession;
    LeftInputAdapterNode.LiaNodeMemory memory = (LeftInputAdapterNode.LiaNodeMemory) wm.getNodeMemory(liaNode);
    TupleSets<LeftTuple> stagedLeftTuples = memory.getSegmentMemory().getStagedLeftTuples();
    assertNull(stagedLeftTuples.getDeleteFirst());
    assertNull(stagedLeftTuples.getInsertFirst());
}

Example 30 with AlphaNode

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

the class JavaDialectTest method testEvalDetectionInAlphaNode.

@Test
public void testEvalDetectionInAlphaNode() {
    // Tests evals are generated and executed with Java dialect
    String drl = "";
    drl += "package org.drools.compiler.test\n";
    drl += "import org.drools.compiler.Person\n";
    drl += "global java.util.List list\n";
    drl += "rule test1\n";
    drl += "when\n";
    drl += "   $p1 : Person( eval( name \n != null ), name == ( new String(\"xxx\") ) )\n";
    drl += "then\n";
    drl += "end\n";
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newReaderResource(new StringReader(drl)), ResourceType.DRL);
    KnowledgeBuilderErrors errors = kbuilder.getErrors();
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    assertFalse(kbuilder.hasErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    List<ObjectTypeNode> nodes = ((KnowledgeBaseImpl) kbase).getRete().getObjectTypeNodes();
    ObjectTypeNode node = null;
    for (ObjectTypeNode n : nodes) {
        if (((ClassObjectType) n.getObjectType()).getClassType() == Person.class) {
            node = n;
            break;
        }
    }
    AlphaNode alphanode = (AlphaNode) node.getObjectSinkPropagator().getSinks()[0];
    PredicateConstraint c = (PredicateConstraint) alphanode.getConstraint();
    assertTrue(c.getPredicateExpression() instanceof PredicateExpression);
    assertTrue(c.getPredicateExpression() instanceof CompiledInvoker);
    alphanode = (AlphaNode) alphanode.getObjectSinkPropagator().getSinks()[0];
    AlphaNodeFieldConstraint constraint = alphanode.getConstraint();
    if (constraint instanceof MvelConstraint) {
        FieldValue fieldVal = ((MvelConstraint) constraint).getField();
        assertEquals("xxx", fieldVal.getValue());
    }
}