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

Example 61 with FactHandle

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

the class Misc2Test method testReuseAgendaAfterException.

@Test
public void testReuseAgendaAfterException() throws Exception {
    // JBRULES-3677
    String str = "import org.drools.compiler.Person;\n" + "global java.util.List results;" + "rule R1\n" + "ruleflow-group \"test\"\n" + "when\n" + "   Person( $age : age ) \n" + "then\n" + "   if ($age > 40) throw new RuntimeException(\"Too old\");\n" + "   results.add(\"OK\");" + "end";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    final KieSession ksession = kbase.newKieSession();
    List<String> res = new ArrayList<String>();
    ksession.setGlobal("results", res);
    AgendaEventListener agendaEventListener = new AgendaEventListener() {

        public void matchCreated(org.kie.api.event.rule.MatchCreatedEvent event) {
        }

        public void matchCancelled(org.kie.api.event.rule.MatchCancelledEvent event) {
        }

        public void beforeMatchFired(org.kie.api.event.rule.BeforeMatchFiredEvent event) {
        }

        public void afterMatchFired(org.kie.api.event.rule.AfterMatchFiredEvent event) {
        }

        public void agendaGroupPopped(org.kie.api.event.rule.AgendaGroupPoppedEvent event) {
        }

        public void agendaGroupPushed(org.kie.api.event.rule.AgendaGroupPushedEvent event) {
        }

        public void beforeRuleFlowGroupActivated(org.kie.api.event.rule.RuleFlowGroupActivatedEvent event) {
        }

        public void afterRuleFlowGroupActivated(org.kie.api.event.rule.RuleFlowGroupActivatedEvent event) {
            ksession.fireAllRules();
        }

        public void beforeRuleFlowGroupDeactivated(org.kie.api.event.rule.RuleFlowGroupDeactivatedEvent event) {
        }

        public void afterRuleFlowGroupDeactivated(org.kie.api.event.rule.RuleFlowGroupDeactivatedEvent event) {
        }
    };
    ksession.addEventListener(agendaEventListener);
    FactHandle fact1 = ksession.insert(new Person("Mario", 38));
    ((InternalAgenda) ksession.getAgenda()).activateRuleFlowGroup("test");
    ksession.fireAllRules();
    assertEquals(1, res.size());
    res.clear();
    ksession.delete(fact1);
    FactHandle fact2 = ksession.insert(new Person("Mario", 48));
    try {
        ((InternalAgenda) ksession.getAgenda()).activateRuleFlowGroup("test");
        ksession.fireAllRules();
        fail("should throw an Exception");
    } catch (Exception e) {
    }
    ksession.delete(fact2);
    assertEquals(0, res.size());
    // try to reuse the ksession after the Exception
    FactHandle fact3 = ksession.insert(new Person("Mario", 38));
    ((InternalAgenda) ksession.getAgenda()).activateRuleFlowGroup("test");
    ksession.fireAllRules();
    assertEquals(1, res.size());
    ksession.delete(fact3);
    ksession.dispose();
}

Example 62 with FactHandle

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

the class Misc2Test method testPhreakInnerJoinNot.

@Test
public void testPhreakInnerJoinNot() {
    // DROOLS-7
    String str = "import org.drools.compiler.integrationtests.Misc2Test.Lecture\n" + "global java.util.List list;\n" + "rule \"curriculumCompactness\"\n" + "    when\n" + "        $lecture : Lecture(\n" + "            $day : day, $index : index\n" + "        )\n" + "        not Lecture(\n" + "            day == $day, index == ($index + 1)\n" + "        )\n" + "    then\n" + "        list.add($lecture.getId());\n" + "end\n";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    KieSession ksession = kbase.newKieSession();
    ArrayList list = new ArrayList();
    ksession.setGlobal("list", list);
    Lecture lA = new Lecture("A", 0, 4);
    Lecture lB = new Lecture("B", 2, 2);
    Lecture lC = new Lecture("C", 2, 1);
    FactHandle fhA = ksession.insert(lA);
    FactHandle fhB = ksession.insert(lB);
    FactHandle fhC = ksession.insert(lC);
    // C gets blocked by B
    ksession.fireAllRules();
    assertEquals(2, list.size());
    assertTrue(list.containsAll(asList("A", "B")));
    list.clear();
    ksession.update(fhB, lB.setDay(0).setIndex(4));
    ksession.update(fhC, lC.setDay(0).setIndex(3));
    // B is still a valid blocker for C
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertTrue(list.contains("B"));
    list.clear();
    ksession.update(fhB, lB.setDay(2).setIndex(2));
    // C doesn't find A as blocker
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertTrue(list.contains("B"));
}

Example 63 with FactHandle

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

the class Misc2Test method testPhreakWith2Nots.

@Test
public void testPhreakWith2Nots() {
    // DROOLS-7
    String str = "import org.drools.compiler.Person\n" + "global java.util.List list;\n" + "rule R when\n" + "  Person( $age : age, $name : name )\n" + "  not Person( name == $name, age == $age + 1 )\n" + "  not Person( name == $name, age == $age - 1 )\n" + "then\n" + "  list.add($age);\n" + "end\n";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    KieSession ksession = kbase.newKieSession();
    List<Integer> list = new ArrayList<Integer>();
    ksession.setGlobal("list", list);
    Person p1 = new Person("AAA", 31);
    Person p2 = new Person("AAA", 34);
    Person p3 = new Person("AAA", 33);
    FactHandle fh1 = ksession.insert(p1);
    FactHandle fh3 = ksession.insert(p3);
    FactHandle fh2 = ksession.insert(p2);
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertEquals(31, (int) list.get(0));
    list.clear();
    p1.setAge(35);
    ksession.update(fh1, p1);
    p3.setAge(31);
    ksession.update(fh3, p3);
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertEquals(31, (int) list.get(0));
}

Example 64 with FactHandle

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

the class Misc2Test method testDeletedRightTupleInChangedBucket.

@Test
public void testDeletedRightTupleInChangedBucket() {
    // PLANNER-488
    String drl = "import " + Person.class.getCanonicalName() + "\n" + "rule R when\n" + "    Person( $name: name, $age: age )\n" + "    not Person( happy, name == $name, age == $age-1 )\n" + "then\n" + "end";
    KieSession kieSession = new KieHelper().addContent(drl, ResourceType.DRL).build().newKieSession();
    Person p1 = new Person("C", 1, true);
    Person p2 = new Person("B", 1, true);
    Person p3 = new Person("B", 2, true);
    Person p4 = new Person("A", 2);
    FactHandle fh1 = kieSession.insert(p1);
    FactHandle fh2 = kieSession.insert(p2);
    FactHandle fh3 = kieSession.insert(p3);
    FactHandle fh4 = kieSession.insert(p4);
    kieSession.fireAllRules();
    p4.setName("B");
    p4.setHappy(true);
    kieSession.update(fh4, p4);
    kieSession.fireAllRules();
    p3.setName("A");
    p3.setHappy(false);
    kieSession.update(fh3, p3);
    p1.setName("B");
    kieSession.update(fh1, p1);
    p2.setName("C");
    kieSession.update(fh2, p2);
    kieSession.fireAllRules();
}

Example 65 with FactHandle

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

the class Misc2Test method testNotNodeUpdateBlocker.

@Test
public void testNotNodeUpdateBlocker() {
    String str = "import org.drools.compiler.integrationtests.Misc2Test.Conversation;\n" + "global java.util.List list;" + "\n" + "rule \"familyEnd\" when\n" + "   $conversation : Conversation(\n" + "       family != null, $family: family, \n" + "       $timeslot: timeslot)\n" + "\n" + "   not Conversation(\n" + "       family == $family, \n" + "       timeslot > $timeslot);\n" + "then\n" + "   list.add($conversation);\n" + "end\n";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    KieSession ksession = kbase.newKieSession();
    List<Conversation> conversations = new ArrayList<Conversation>();
    ksession.setGlobal("list", conversations);
    Conversation c0 = new Conversation(0, "Fusco", 2);
    Conversation c1 = new Conversation(1, "Fusco", 3);
    Conversation c2 = new Conversation(2, "Fusco", 4);
    FactHandle fh0 = ksession.insert(c0);
    FactHandle fh1 = ksession.insert(c1);
    FactHandle fh2 = ksession.insert(c2);
    ksession.fireAllRules();
    assertEquals(1, conversations.size());
    conversations.clear();
    c2.setTimeslot(0);
    ksession.update(fh2, c2);
    ksession.fireAllRules();
    c2.setTimeslot(4);
    ksession.update(fh2, c2);
    ksession.fireAllRules();
    conversations.clear();
    c0.setTimeslot(3);
    ksession.update(fh0, c0);
    ksession.fireAllRules();
    c0.setTimeslot(2);
    ksession.update(fh0, c0);
    ksession.fireAllRules();
    conversations.clear();
    c2.setTimeslot(1);
    ksession.update(fh2, c2);
    ksession.fireAllRules();
    assertEquals(1, conversations.size());
}