Examples with FactHandle org.kie.api.runtime.rule.FactHandle used on opensource projects

Example 91 with FactHandle

use of org.kie.api.runtime.rule.FactHandle in project drools by kiegroup.

the class Misc2Test method testNPEOnMutableGlobal.

@Test
public void testNPEOnMutableGlobal() throws Exception {
    // BZ-1019473
    String str = "package org.drools.compiler\n" + "global java.util.List context\n" + "rule B\n" + "  when\n" + "    Message( message == \"b\" )\n" + "    $s : String() from context\n" + "  then\n" + "    System.out.println($s);\n" + "end";
    KieServices ks = KieServices.Factory.get();
    KieFileSystem kfs = ks.newKieFileSystem();
    kfs.write(ResourceFactory.newByteArrayResource(str.getBytes()).setTargetPath("org/drools/compiler/rules.drl"));
    KieBuilder kbuilder = KieServices.Factory.get().newKieBuilder(kfs);
    kbuilder.buildAll();
    assertEquals(0, kbuilder.getResults().getMessages().size());
    ks.newKieContainer(kbuilder.getKieModule().getReleaseId()).getKieBase();
    KieSession ksession = ks.newKieContainer(kbuilder.getKieModule().getReleaseId()).newKieSession();
    assertNotNull(ksession);
    List<String> context = new ArrayList<String>();
    ksession.setGlobal("context", context);
    FactHandle b = ksession.insert(new Message("b"));
    ksession.delete(b);
    int fired = ksession.fireAllRules(1);
    assertEquals(0, fired);
    ksession.dispose();
}

Example 92 with FactHandle

use of org.kie.api.runtime.rule.FactHandle in project drools by kiegroup.

the class Misc2Test method testInfiniteLoopUpdatingWithRBTreeIndexing.

@Test(timeout = 10000)
public void testInfiniteLoopUpdatingWithRBTreeIndexing() {
    // BZ-1040032
    String drl = "import org.drools.compiler.Person\n" + "rule R when\n" + "    $p : Person()\n" + "    exists Person( age > $p.age, name.contains($p.name.substring(0, 1)) )\n" + "then\n" + "end";
    KieBase kb = loadKnowledgeBaseFromString(drl);
    KieSession ks = kb.newKieSession();
    Person[] ps = new Person[4];
    FactHandle[] fhs = new FactHandle[4];
    ps[0] = new Person("a", 5);
    ps[1] = new Person("b", 5);
    ps[2] = new Person("d", 10);
    ps[3] = new Person("a", 15);
    fhs[0] = ks.insert(ps[0]);
    fhs[1] = ks.insert(ps[1]);
    fhs[2] = ks.insert(ps[2]);
    fhs[3] = ks.insert(ps[3]);
    ps[0].setName("c");
    ks.update(fhs[0], ps[0]);
    ks.fireAllRules();
    ps[2].setName("b");
    ks.update(fhs[2], ps[2]);
    ks.fireAllRules();
    ps[2].setName("d");
    ks.update(fhs[2], ps[2]);
    ks.fireAllRules();
    ps[1].setName("c");
    ks.update(fhs[1], ps[1]);
    ks.fireAllRules();
    ps[3].setName("d");
    ks.update(fhs[3], ps[3]);
    ks.fireAllRules();
}

Example 93 with FactHandle

use of org.kie.api.runtime.rule.FactHandle in project drools by kiegroup.

the class LinkingTest method testNotNodeDoesNotUnlinksWithConstriants.

@Test
public void testNotNodeDoesNotUnlinksWithConstriants() {
    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( value == $a.value ) \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(1));
    FactHandle fhc = wm.insert(new C());
    wm.flushPropagations();
    // All nodes are linked in
    assertEquals(7, amem.getSegmentMemory().getLinkedNodeMask());
    // NotNode does not unlink, due to variable constraint
    wm.retract(fhb);
    wm.flushPropagations();
    assertEquals(7, amem.getSegmentMemory().getLinkedNodeMask());
}

Example 94 with FactHandle

use of org.kie.api.runtime.rule.FactHandle in project drools by kiegroup.

the class LinkingTest method testNotNodes1.

@Test
public void testNotNodes1() 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 += "   not A() \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());
    InternalWorkingMemory wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    List list = new ArrayList();
    wm.setGlobal("list", list);
    wm.fireAllRules();
    assertEquals(1, list.size());
    wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    list = new ArrayList();
    wm.setGlobal("list", list);
    FactHandle fh = wm.insert(new A(1));
    wm.fireAllRules();
    assertEquals(0, list.size());
    wm.retract(fh);
    wm.fireAllRules();
    assertEquals(1, list.size());
}

Example 95 with FactHandle

use of org.kie.api.runtime.rule.FactHandle 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());
}