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Example 66 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class DescrBuilderTest method testRuleRHSOptional.

@Test
public void testRuleRHSOptional() throws InstantiationException, IllegalAccessException {
    PackageDescr pkg = DescrFactory.newPackage().name("org.drools.compiler").newRule().name("r1").lhs().pattern("StockTick").constraint("company == \"RHT\"").end().end().end().getDescr();
    KiePackage kpkg = compilePkgDescr(pkg);
    assertEquals("org.drools.compiler", kpkg.getName());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(Collections.singletonList(kpkg));
    KieSession ksession = kbase.newKieSession();
    ksession.insert(new StockTick(1, "RHT", 80, 1));
    int rules = ksession.fireAllRules();
    assertEquals(1, rules);
}
Also used : StockTick(org.drools.compiler.StockTick) KiePackage(org.kie.api.definition.KiePackage) KieSession(org.kie.api.runtime.KieSession) PackageDescr(org.drools.compiler.lang.descr.PackageDescr) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase) EntryPoint(org.kie.api.runtime.rule.EntryPoint) Test(org.junit.Test)

Example 67 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class OOPathReactiveTests method testReactiveDeleteOnLia.

@Test
public void testReactiveDeleteOnLia() {
    final String drl = "import org.drools.compiler.oopath.model.*;\n" + "global java.util.List list\n" + "\n" + "rule R when\n" + "  Man( $toy: /wife/children[age > 10]/toys )\n" + "then\n" + "  list.add( $toy.getName() );\n" + "end\n";
    final KieBase kbase = new KieHelper().addContent(drl, ResourceType.DRL).build();
    final KieSession ksession = kbase.newKieSession();
    final EntryPointNode epn = ((InternalKnowledgeBase) ksession.getKieBase()).getRete().getEntryPointNodes().values().iterator().next();
    final ObjectTypeNode otn = epn.getObjectTypeNodes().values().iterator().next();
    final LeftInputAdapterNode lian = (LeftInputAdapterNode) otn.getObjectSinkPropagator().getSinks()[0];
    final ReactiveFromNode from1 = (ReactiveFromNode) lian.getSinkPropagator().getSinks()[0];
    final ReactiveFromNode from2 = (ReactiveFromNode) from1.getSinkPropagator().getSinks()[0];
    final ReactiveFromNode from3 = (ReactiveFromNode) from2.getSinkPropagator().getSinks()[0];
    final BetaMemory betaMemory = ((InternalWorkingMemory) ksession).getNodeMemory(from3).getBetaMemory();
    final List<String> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    final Woman alice = new Woman("Alice", 38);
    final Man bob = new Man("Bob", 40);
    bob.setWife(alice);
    final Child charlie = new Child("Charles", 12);
    final Child debbie = new Child("Debbie", 11);
    alice.addChild(charlie);
    alice.addChild(debbie);
    charlie.addToy(new Toy("car"));
    charlie.addToy(new Toy("ball"));
    debbie.addToy(new Toy("doll"));
    ksession.insert(bob);
    ksession.fireAllRules();
    Assertions.assertThat(list).containsExactlyInAnyOrder("car", "ball", "doll");
    final TupleMemory tupleMemory = betaMemory.getLeftTupleMemory();
    Assertions.assertThat(betaMemory.getLeftTupleMemory().size()).isEqualTo(2);
    Iterator<LeftTuple> it = tupleMemory.iterator();
    for (LeftTuple next = it.next(); next != null; next = it.next()) {
        final Object obj = next.getFactHandle().getObject();
        Assertions.assertThat(obj == charlie || obj == debbie).isTrue();
    }
    list.clear();
    debbie.setAge(10);
    ksession.fireAllRules();
    Assertions.assertThat(list).hasSize(0);
    ;
    Assertions.assertThat(betaMemory.getLeftTupleMemory().size()).isEqualTo(1);
    it = tupleMemory.iterator();
    for (LeftTuple next = it.next(); next != null; next = it.next()) {
        final Object obj = next.getFactHandle().getObject();
        Assertions.assertThat(obj == charlie).isTrue();
    }
}
Also used : ObjectTypeNode(org.drools.core.reteoo.ObjectTypeNode) ArrayList(java.util.ArrayList) KieHelper(org.kie.internal.utils.KieHelper) ReactiveFromNode(org.drools.core.reteoo.ReactiveFromNode) BetaMemory(org.drools.core.reteoo.BetaMemory) LeftTuple(org.drools.core.reteoo.LeftTuple) TupleMemory(org.drools.core.reteoo.TupleMemory) EntryPointNode(org.drools.core.reteoo.EntryPointNode) KieBase(org.kie.api.KieBase) KieSession(org.kie.api.runtime.KieSession) Man(org.drools.compiler.oopath.model.Man) Woman(org.drools.compiler.oopath.model.Woman) Child(org.drools.compiler.oopath.model.Child) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase) LeftInputAdapterNode(org.drools.core.reteoo.LeftInputAdapterNode) Toy(org.drools.compiler.oopath.model.Toy) Test(org.junit.Test)

Example 68 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class Misc2Test method testDynamicAddRule.

@Test
public void testDynamicAddRule() {
    // DROOLS-17
    String str = "import " + Misc2Test.A.class.getCanonicalName() + "\n" + "rule r1 when\n" + "    $a : A( f1 == 1 )\n" + "then\n" + "end\n" + "\n" + "rule r2 when\n" + "    $a : A( f2 == 1 )\n" + "then\n" + "end\n" + "\n" + "rule r3 when\n" + "    $a : A( f3 == 1 )" + "then\n" + "end";
    String str2 = "import " + Misc2Test.A.class.getCanonicalName() + "\n" + "rule r4 when\n" + "    $a : A( f2 == 1, f4 == 1 )" + "then\n" + "end";
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) loadKnowledgeBaseFromString(str);
    KieSession ksession = kbase.newKieSession();
    FactHandle fh = ksession.insert(new A(1, 1, 1, 1));
    ksession.fireAllRules();
    kbase.addPackages(loadKnowledgePackagesFromString(str2));
    ksession.fireAllRules();
    // this second insert forces the regeneration of the otnIds
    ksession.insert(new A(2, 2, 2, 2));
    LeftTuple leftTuple = ((DefaultFactHandle) fh).getFirstLeftTuple();
    ObjectTypeNode.Id letTupleOtnId = leftTuple.getInputOtnId();
    leftTuple = leftTuple.getHandleNext();
    while (leftTuple != null) {
        assertTrue(letTupleOtnId.before(leftTuple.getInputOtnId()));
        letTupleOtnId = leftTuple.getInputOtnId();
        leftTuple = leftTuple.getHandleNext();
    }
}
Also used : DefaultFactHandle(org.drools.core.common.DefaultFactHandle) InternalFactHandle(org.drools.core.common.InternalFactHandle) FactHandle(org.kie.api.runtime.rule.FactHandle) DefaultFactHandle(org.drools.core.common.DefaultFactHandle) ObjectTypeNode(org.drools.core.reteoo.ObjectTypeNode) KieSession(org.kie.api.runtime.KieSession) StatelessKieSession(org.kie.api.runtime.StatelessKieSession) LeftTuple(org.drools.core.reteoo.LeftTuple) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase) Test(org.junit.Test)

Example 69 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class NodePositionInPathTest method test.

@Test
public void test() {
    String drl = "rule R1 when\n" + "    Integer()\n" + "    exists( Integer() and Integer() )\n" + "    String()\n" + "then\n" + "end\n" + "rule R2 when\n" + "    Integer()\n" + "    exists( Integer() and String() )\n" + "then\n" + "end\n";
    KieBase kbase = new KieHelper().addContent(drl, ResourceType.DRL).build();
    ReteDumper.dumpRete(((InternalKnowledgeBase) kbase));
    Rete rete = ((KnowledgeBaseImpl) kbase).getRete();
    LeftInputAdapterNode liaNode = null;
    for (ObjectTypeNode otn : rete.getObjectTypeNodes()) {
        Class<?> otnType = ((ClassObjectType) otn.getObjectType()).getClassType();
        if (Integer.class == otnType) {
            liaNode = (LeftInputAdapterNode) otn.getObjectSinkPropagator().getSinks()[0];
        }
    }
    assertEquals(0, liaNode.getPositionInPath());
    LeftTupleSink[] liaSinks = liaNode.getSinkPropagator().getSinks();
    BetaNode join1 = (BetaNode) liaSinks[0];
    assertEquals(1, join1.getPositionInPath());
    ExistsNode ex1 = (ExistsNode) liaSinks[1];
    assertEquals(1, ex1.getPositionInPath());
    BetaNode join2 = (BetaNode) ex1.getSinkPropagator().getSinks()[0];
    assertEquals(2, join2.getPositionInPath());
    RuleTerminalNode rtn1 = (RuleTerminalNode) join2.getSinkPropagator().getSinks()[0];
    assertEquals(3, rtn1.getPositionInPath());
    ExistsNode ex2 = (ExistsNode) liaSinks[2];
    assertEquals(1, ex2.getPositionInPath());
    RuleTerminalNode rtn2 = (RuleTerminalNode) ex2.getSinkPropagator().getSinks()[0];
    assertEquals(2, rtn2.getPositionInPath());
    BetaNode join3 = (BetaNode) join1.getSinkPropagator().getSinks()[0];
    assertEquals(2, join3.getPositionInPath());
    RightInputAdapterNode ria1 = (RightInputAdapterNode) join3.getSinkPropagator().getSinks()[0];
    assertEquals(3, ria1.getPositionInPath());
    BetaNode join4 = (BetaNode) join1.getSinkPropagator().getSinks()[1];
    assertEquals(2, join4.getPositionInPath());
    RightInputAdapterNode ria2 = (RightInputAdapterNode) join4.getSinkPropagator().getSinks()[0];
    assertEquals(3, ria2.getPositionInPath());
    LeftTupleNode[] rtn1PathNodes = rtn1.getPathNodes();
    assertEquals(4, rtn1PathNodes.length);
    checkNodePosition(rtn1PathNodes, liaNode);
    checkNodePosition(rtn1PathNodes, ex1);
    checkNodePosition(rtn1PathNodes, join2);
    checkNodePosition(rtn1PathNodes, rtn1);
    LeftTupleNode[] rtn2PathNodes = rtn2.getPathNodes();
    assertEquals(3, rtn2PathNodes.length);
    checkNodePosition(rtn2PathNodes, liaNode);
    checkNodePosition(rtn2PathNodes, ex2);
    checkNodePosition(rtn2PathNodes, rtn2);
    LeftTupleNode[] ria1PathNodes = ria1.getPathNodes();
    assertEquals(4, ria1PathNodes.length);
    checkNodePosition(ria1PathNodes, liaNode);
    checkNodePosition(ria1PathNodes, join1);
    checkNodePosition(ria1PathNodes, join3);
    checkNodePosition(ria1PathNodes, ria1);
    LeftTupleNode[] ria2PathNodes = ria2.getPathNodes();
    assertEquals(4, ria2PathNodes.length);
    checkNodePosition(ria2PathNodes, liaNode);
    checkNodePosition(ria2PathNodes, join1);
    checkNodePosition(ria2PathNodes, join4);
    checkNodePosition(ria2PathNodes, ria2);
}
Also used : Rete(org.drools.core.reteoo.Rete) BetaNode(org.drools.core.reteoo.BetaNode) ClassObjectType(org.drools.core.base.ClassObjectType) ObjectTypeNode(org.drools.core.reteoo.ObjectTypeNode) LeftTupleSink(org.drools.core.reteoo.LeftTupleSink) KieHelper(org.kie.internal.utils.KieHelper) KnowledgeBaseImpl(org.drools.core.impl.KnowledgeBaseImpl) ExistsNode(org.drools.core.reteoo.ExistsNode) KieBase(org.kie.api.KieBase) LeftTupleNode(org.drools.core.reteoo.LeftTupleNode) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase) RightInputAdapterNode(org.drools.core.reteoo.RightInputAdapterNode) LeftInputAdapterNode(org.drools.core.reteoo.LeftInputAdapterNode) RuleTerminalNode(org.drools.core.reteoo.RuleTerminalNode) Test(org.junit.Test)

Example 70 with InternalKnowledgeBase

use of org.drools.core.impl.InternalKnowledgeBase in project drools by kiegroup.

the class NodesPartitioningTest method checkDrl.

private void checkDrl(String drl) {
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) new KieHelper().addContent(drl, ResourceType.DRL).build(MultithreadEvaluationOption.YES);
    Rete rete = kbase.getRete();
    for (EntryPointNode entryPointNode : rete.getEntryPointNodes().values()) {
        traverse(entryPointNode);
    }
}
Also used : EntryPointNode(org.drools.core.reteoo.EntryPointNode) Rete(org.drools.core.reteoo.Rete) KieHelper(org.kie.internal.utils.KieHelper) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase)

Aggregations

InternalKnowledgeBase (org.drools.core.impl.InternalKnowledgeBase)394 Test (org.junit.Test)321 KnowledgeBuilder (org.kie.internal.builder.KnowledgeBuilder)231 KieSession (org.kie.api.runtime.KieSession)221 ArrayList (java.util.ArrayList)173 List (java.util.List)108 KiePackage (org.kie.api.definition.KiePackage)80 FactHandle (org.kie.api.runtime.rule.FactHandle)46 InternalFactHandle (org.drools.core.common.InternalFactHandle)43 InternalWorkingMemory (org.drools.core.common.InternalWorkingMemory)42 ObjectTypeNode (org.drools.core.reteoo.ObjectTypeNode)41 StatelessKieSession (org.kie.api.runtime.StatelessKieSession)41 StatefulKnowledgeSessionImpl (org.drools.core.impl.StatefulKnowledgeSessionImpl)40 KieBaseConfiguration (org.kie.api.KieBaseConfiguration)39 ByteArrayResource (org.drools.core.io.impl.ByteArrayResource)38 Person (org.drools.compiler.Person)37 Cheese (org.drools.compiler.Cheese)36 FactType (org.kie.api.definition.type.FactType)27 LeftInputAdapterNode (org.drools.core.reteoo.LeftInputAdapterNode)25 KieSessionConfiguration (org.kie.api.runtime.KieSessionConfiguration)24