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

Example 66 with FactHandle

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

Example 67 with FactHandle

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

the class Misc2Test method testSubnetworkAccumulate.

@Test
public void testSubnetworkAccumulate() {
    String drl = "import " + StringWrapper.class.getCanonicalName() + ";\n" + "global StringBuilder sb;" + "rule R when\n" + "  $s : String()\n" + "  Number( $i : intValue ) from accumulate ($sw : StringWrapper( $value : value ) " + "                                       and eval( $sw.contains($s) ), " + "                                 sum($value) )\n" + "then\n" + "  sb.append($i);\n" + "end\n";
    KieSession ksession = new KieHelper().addContent(drl, ResourceType.DRL).build().newKieSession();
    StringBuilder sb = new StringBuilder();
    ksession.setGlobal("sb", sb);
    ksession.insert("test");
    StringWrapper sw = new StringWrapper();
    FactHandle swFH = ksession.insert(sw);
    ksession.fireAllRules();
    sw.setWrapped("test");
    ksession.update(swFH, sw);
    ksession.fireAllRules();
    sw.setWrapped(null);
    ksession.update(swFH, sw);
    ksession.fireAllRules();
    sw.setWrapped("test");
    ksession.update(swFH, sw);
    ksession.fireAllRules();
    sw.setWrapped(null);
    ksession.update(swFH, sw);
    ksession.fireAllRules();
    sw.setWrapped("test");
    ksession.update(swFH, sw);
    ksession.fireAllRules();
    assertEquals("040404", sb.toString());
}

Example 68 with FactHandle

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

the class NamedConsequencesTest method testMvelInsertWithNamedConsequence.

@Test
public void testMvelInsertWithNamedConsequence() {
    // DROOLS-726
    String drl2 = "package org.drools.compiler\n" + "global java.util.concurrent.atomic.AtomicInteger counter\n" + "declare Output\n" + "    feedback: String\n" + "end\n" + "rule \"Move to next\" dialect \"mvel\"\n" + "   when\n" + "          $i: Integer()\n" + "          if ($i == 1) break[nextStep1]\n" + "   then\n" + "           insert(new Output(\"defualt\"));\n" + "   then[nextStep1]\n" + "           insert(new Output(\"step 1\"));\n" + "end\n" + "\n" + "rule \"Produce output\"\n" + "    when\n" + "        $output: Output()\n" + "    then\n" + "        System.out.println($output);\n" + "        retract($output);" + "        counter.incrementAndGet();\n" + "end\n";
    KieSession kSession = new KieHelper().addContent(drl2, ResourceType.DRL).build().newKieSession();
    AtomicInteger counter = new AtomicInteger(0);
    kSession.setGlobal("counter", counter);
    FactHandle messageHandle = kSession.insert(1);
    kSession.fireAllRules();
    kSession.delete(messageHandle);
    kSession.insert(2);
    kSession.fireAllRules();
    assertEquals(2, counter.get());
}

Example 69 with FactHandle

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

the class NamedConsequencesTest method testDeleteWithBreakingBranch.

@Test
public void testDeleteWithBreakingBranch() throws Exception {
    // DROOLS-1068
    String drl = "global java.util.List list;\n" + "rule R when\n" + "  Integer()\n" + "  if (true) break[branch]\n" + "  not Integer()\n" + "then\n" + "  list.add(\"main\");\n" + "then[branch]\n" + "  list.add(\"branch\");\n" + "end\n";
    KieSession ksession = new KieHelper().addContent(drl, ResourceType.DRL).build().newKieSession();
    List<String> list = new ArrayList<String>();
    ksession.setGlobal("list", list);
    FactHandle fh = ksession.insert(1);
    ksession.fireAllRules();
    ksession.delete(fh);
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertEquals("branch", list.get(0));
}

Example 70 with FactHandle

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

the class OutOfMemoryTest method testMemoryLeak.

@Test
@Ignore
public void testMemoryLeak() {
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("test_MemoryLeak.drl", OutOfMemoryTest.class), ResourceType.DRL);
    assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
    final InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    final KieSession ksession = createKnowledgeSession(kbase);
    final int pcount = 5;
    Person[] persons = new Person[pcount];
    FactHandle[] pHandles = new FactHandle[pcount];
    for (int i = 0; i < persons.length; i++) {
        persons[i] = new Person("person-0-" + i);
        pHandles[i] = ksession.insert(persons[i]);
    }
    Cheese[] cheeses = new Cheese[pcount];
    FactHandle[] cHandles = new FactHandle[pcount];
    for (int i = 0; i < cheeses.length; i++) {
        cheeses[i] = new Cheese("cheese-0-" + i);
        cHandles[i] = ksession.insert(cheeses[i]);
    }
    ksession.fireAllRules();
    for (int j = 1; j <= 5; j++) {
        for (int i = 0; i < pcount; i++) {
            cheeses[i].setType("cheese-" + j + "-" + i);
            ksession.update(cHandles[i], cheeses[i]);
            persons[i].setName("person-" + j + "-" + i);
            ksession.update(pHandles[i], persons[i]);
        }
        ksession.fireAllRules();
        logger.info("DONE");
    }
    SessionInspector inspector = new SessionInspector(ksession);
    SessionReporter.addNamedTemplate("dump_tuples", getClass().getResourceAsStream("/org/drools/core/util/debug/dump_tuples.mvel"));
    String report = SessionReporter.generateReport("dump_tuples", inspector.getSessionInfo(), new HashMap<String, Object>());
    try {
        FileWriter out = new FileWriter("tupleDump.txt");
        out.write(report);
        out.close();
        logger.info(report);
    } catch (Exception e) {
        e.printStackTrace();
    }
// logicals = getLogicallyInserted( ksession );
// assertEquals( pcount, logicals.size() );
}