Examples with Cheese org.drools.mvel.compiler.Cheese used on opensource projects

Example 61 with Cheese

use of org.drools.mvel.compiler.Cheese in project drools by kiegroup.

the class MVELConsequenceBuilderTest method testImperativeCodeError.

@Test
public void testImperativeCodeError() throws Exception {
    InternalKnowledgePackage pkg = CoreComponentFactory.get().createKnowledgePackage("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    ruleDescr.setConsequence("if (cheese.price == 10) { cheese.price = 5; }");
    Properties properties = new Properties();
    properties.setProperty("drools.dialect.default", "mvel");
    KnowledgeBuilderConfigurationImpl cfg1 = new KnowledgeBuilderConfigurationImpl(properties);
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg, cfg1);
    PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry(pkg.getName());
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect(pkgRegistry.getDialect());
    final RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();
    final ObjectType cheeseObjeectType = new ClassObjectType(Cheese.class);
    final Pattern pattern = new Pattern(0, cheeseObjeectType);
    final PatternExtractor extractor = new PatternExtractor(cheeseObjeectType);
    final Declaration declaration = new Declaration("cheese", extractor, pattern);
    final Map<String, Declaration> map = new HashMap<String, Declaration>();
    map.put("cheese", declaration);
    declarationResolver.setDeclarations(map);
    context.setDeclarationResolver(declarationResolver);
    final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
    builder.build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    final Cheese cheddar = new Cheese("cheddar", 10);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, null, true);
    final AgendaItem item = new AgendaItemImpl(0, tuple, 10, null, null, null);
    final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper(ksession);
    kbHelper.setActivation(item);
    try {
        ((MVELConsequence) context.getRule().getConsequence()).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
        context.getRule().getConsequence().evaluate(kbHelper, ksession);
        fail("should throw an exception, as 'if' is not allowed");
    } catch (Exception e) {
    }
    assertEquals(10, cheddar.getPrice());
}

Example 62 with Cheese

use of org.drools.mvel.compiler.Cheese in project drools by kiegroup.

the class MarshallingTest method testSerializeAdd3.

/*
     *  Works Fine if both the scenarios mentioned above are skipped.
     */
@Test
public void testSerializeAdd3() throws Exception {
    // Create a rulebase, a session, and test it
    Collection<KiePackage> kpkgs = loadKnowledgePackages("test_Dynamic1_0.drl");
    kpkgs = SerializationHelper.serializeObject(kpkgs);
    InternalKnowledgeBase kBase = (InternalKnowledgeBase) getKnowledgeBase();
    kBase.addPackages(kpkgs);
    List results = new ArrayList();
    KieSession session = kBase.newKieSession();
    session.setGlobal("results", results);
    InternalFactHandle stilton1 = (InternalFactHandle) session.insert(new Cheese("stilton", 10));
    InternalFactHandle brie1 = (InternalFactHandle) session.insert(new Cheese("brie", 10));
    session.fireAllRules();
    assertEquals(1, results.size());
    assertEquals(stilton1.getObject(), results.get(0));
    // serialize session
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    // dynamic add pkgs
    kpkgs = loadKnowledgePackages("test_Dynamic3_0.drl");
    kBase.addPackages(SerializationHelper.serializeObject(kpkgs));
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    InternalFactHandle stilton2 = (InternalFactHandle) session.insert(new Cheese("stilton", 20));
    InternalFactHandle brie2 = (InternalFactHandle) session.insert(new Cheese("brie", 20));
    InternalFactHandle bob1 = (InternalFactHandle) session.insert(new Person("bob", 20));
    InternalFactHandle bob2 = (InternalFactHandle) session.insert(new Person("bob", 30));
    session.fireAllRules();
    assertEquals(4, results.size());
    assertEquals(stilton2.getObject(), results.get(1));
    assertTrue(results.contains(bob2.getObject()));
    assertTrue(results.contains(bob1.getObject()));
    // serialize session
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    // dynamic add pkgs
    kpkgs = loadKnowledgePackages("test_Dynamic1_2.drl");
    kBase.addPackages(SerializationHelper.serializeObject(kpkgs));
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    InternalFactHandle stilton3 = (InternalFactHandle) session.insert(new Cheese("stilton", 40));
    InternalFactHandle brie3 = (InternalFactHandle) session.insert(new Cheese("brie", 40));
    InternalFactHandle bob3 = (InternalFactHandle) session.insert(new Person("bob", 40));
    InternalFactHandle bob4 = (InternalFactHandle) session.insert(new Person("bob", 40));
    InternalFactHandle addr1 = (InternalFactHandle) session.insert(new Address("bangalore"));
    InternalFactHandle addr2 = (InternalFactHandle) session.insert(new Address("India"));
    session.fireAllRules();
    assertEquals(9, results.size());
    assertEquals(stilton3.getObject(), results.get(4));
    assertEquals(bob4.getObject(), results.get(5));
    assertEquals(bob3.getObject(), results.get(6));
    assertTrue(results.contains(addr2.getObject()));
    assertTrue(results.contains(addr1.getObject()));
    // serialize session
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    InternalFactHandle stilton4 = (InternalFactHandle) session.insert(new Cheese("stilton", 50));
    InternalFactHandle brie4 = (InternalFactHandle) session.insert(new Cheese("brie", 50));
    InternalFactHandle bob5 = (InternalFactHandle) session.insert(new Person("bob", 50));
    InternalFactHandle bob6 = (InternalFactHandle) session.insert(new Person("bob", 50));
    InternalFactHandle addr3 = (InternalFactHandle) session.insert(new Address("Tripura"));
    InternalFactHandle addr4 = (InternalFactHandle) session.insert(new Address("Agartala"));
    session.fireAllRules();
    assertEquals(14, results.size());
    assertEquals(stilton4.getObject(), results.get(9));
    assertEquals(bob6.getObject(), results.get(10));
    assertEquals(bob5.getObject(), results.get(11));
    assertTrue(results.contains(addr4.getObject()));
    assertTrue(results.contains(addr3.getObject()));
    // serialize session
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    session.dispose();
}

Example 63 with Cheese

use of org.drools.mvel.compiler.Cheese in project drools by kiegroup.

the class MarshallingTest method testActivationGroups.

@Test
public void testActivationGroups() throws Exception {
    String rule1 = "package org.drools.compiler.test;\n";
    rule1 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule1 += "global java.util.List list\n";
    rule1 += "rule \"Rule 1\"\n";
    rule1 += "    activation-group \"activation-group-1\"\n";
    rule1 += "when\n";
    rule1 += "    $c : Cheese( ) \n";
    rule1 += "then\n";
    rule1 += "    list.add( \"rule1\" );\n";
    rule1 += "    drools.halt();\n";
    rule1 += "end";
    String rule2 = "package org.drools.compiler.test;\n";
    rule2 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule2 += "global java.util.List list\n";
    rule2 += "rule \"Rule 2\"\n";
    rule2 += "    salience 10\n";
    rule2 += "    activation-group \"activation-group-1\"\n";
    rule2 += "when\n";
    rule2 += "    $c : Cheese( ) \n";
    rule2 += "then\n";
    rule2 += "    list.add( \"rule2\" );\n";
    rule2 += "    drools.halt();\n";
    rule2 += "end";
    String rule3 = "package org.drools.compiler.test;\n";
    rule3 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule3 += "global java.util.List list\n";
    rule3 += "rule \"Rule 3\"\n";
    rule3 += "    activation-group \"activation-group-1\"\n";
    rule3 += "when\n";
    rule3 += "    $c : Cheese( ) \n";
    rule3 += "then\n";
    rule3 += "    list.add( \"rule3\" );\n";
    rule3 += "    drools.halt();\n";
    rule3 += "end";
    String rule4 = "package org.drools.compiler.test;\n";
    rule4 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule4 += "global java.util.List list\n";
    rule4 += "rule \"Rule 4\"\n";
    rule4 += "    activation-group \"activation-group-2\"\n";
    rule4 += "when\n";
    rule4 += "    $c : Cheese( ) \n";
    rule4 += "then\n";
    rule4 += "    list.add( \"rule4\" );\n";
    rule4 += "    drools.halt();\n";
    rule4 += "end";
    KieBase kBase = loadKnowledgeBaseFromString(rule1, rule2, rule3, rule4);
    KieSession ksession = kBase.newKieSession();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    final List list = new ArrayList();
    ksession.setGlobal("list", list);
    final Cheese brie = new Cheese("brie", 12);
    ksession.insert(brie);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals(2, list.size());
    assertEquals("rule2", list.get(0));
    assertEquals("rule4", list.get(1));
}

Example 64 with Cheese

use of org.drools.mvel.compiler.Cheese in project drools by kiegroup.

the class MarshallingTest method testSerializeAddRemove_NoClassDefFoundError.

/*
     * I have tried both the scenarios
     * 1. Remove a rule from a pkg.
     * 2. Remove a pkg
     *
     * But both cases after inserting associated data points (i.e data points which are used to fire/activate the removed rule)
     * session.fireAllRules() is throwing NoClassDefFoundError
     */
@Test
public void testSerializeAddRemove_NoClassDefFoundError() throws Exception {
    // Create a rulebase, a session, and test it
    Collection<KiePackage> kpkgs = loadKnowledgePackages("test_Dynamic1_0.drl");
    kpkgs = SerializationHelper.serializeObject(kpkgs);
    InternalKnowledgeBase kBase = (InternalKnowledgeBase) getKnowledgeBase();
    kBase.addPackages(kpkgs);
    List results = new ArrayList();
    KieSession session = kBase.newKieSession();
    session.setGlobal("results", results);
    InternalFactHandle stilton1 = (InternalFactHandle) session.insert(new Cheese("stilton", 10));
    InternalFactHandle brie1 = (InternalFactHandle) session.insert(new Cheese("brie", 10));
    session.fireAllRules();
    assertEquals(1, results.size());
    assertEquals(stilton1.getObject(), results.get(0));
    // serialize session and rulebase
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    // dynamic add pkgs
    kpkgs = loadKnowledgePackages("test_Dynamic3_0.drl");
    kBase.addPackages(SerializationHelper.serializeObject(kpkgs));
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    results.clear();
    InternalFactHandle stilton2 = (InternalFactHandle) session.insert(new Cheese("stilton", 20));
    InternalFactHandle brie2 = (InternalFactHandle) session.insert(new Cheese("brie", 20));
    InternalFactHandle bob1 = (InternalFactHandle) session.insert(new Person("bob", 20));
    InternalFactHandle bob2 = (InternalFactHandle) session.insert(new Person("bob", 30));
    session.fireAllRules();
    assertEquals(3, results.size());
    assertEquals(stilton2.getObject(), results.get(0));
    assertTrue(results.contains(bob1.getObject()));
    assertTrue(results.contains(bob2.getObject()));
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    results.clear();
    // CASE 1: remove rule
    kBase.removeRule("org.drools.compiler.test", "like stilton");
    InternalFactHandle stilton3 = (InternalFactHandle) session.insert(new Cheese("stilton", 20));
    InternalFactHandle brie3 = (InternalFactHandle) session.insert(new Cheese("brie", 20));
    InternalFactHandle bob3 = (InternalFactHandle) session.insert(new Person("bob", 20));
    InternalFactHandle bob4 = (InternalFactHandle) session.insert(new Person("bob", 30));
    session.fireAllRules();
    assertEquals(2, results.size());
    assertTrue(results.contains(bob3.getObject()));
    assertTrue(results.contains(bob4.getObject()));
    // deserialize the session and test it
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    results.clear();
    // CASE 2: remove pkg
    kBase.removeKiePackage("org.drools.compiler.test");
    InternalFactHandle stilton4 = (InternalFactHandle) session.insert(new Cheese("stilton", 20));
    InternalFactHandle brie4 = (InternalFactHandle) session.insert(new Cheese("brie", 20));
    InternalFactHandle bob5 = (InternalFactHandle) session.insert(new Person("bob", 20));
    InternalFactHandle bob6 = (InternalFactHandle) session.insert(new Person("bob", 30));
    session.fireAllRules();
    assertEquals(2, results.size());
    assertTrue(results.contains(bob5.getObject()));
    assertTrue(results.contains(bob6.getObject()));
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    results.clear();
    session.setGlobal("results", results);
    InternalFactHandle stilton5 = (InternalFactHandle) session.insert(new Cheese("stilton", 30));
    InternalFactHandle brie5 = (InternalFactHandle) session.insert(new Cheese("brie", 30));
    InternalFactHandle bob7 = (InternalFactHandle) session.insert(new Person("bob", 30));
    InternalFactHandle bob8 = (InternalFactHandle) session.insert(new Person("bob", 40));
    session.fireAllRules();
    assertEquals(2, results.size());
    assertTrue(results.contains(bob7.getObject()));
    assertTrue(results.contains(bob8.getObject()));
    session = getSerialisedStatefulKnowledgeSession(session, kBase, true);
    session.dispose();
}

Example 65 with Cheese

use of org.drools.mvel.compiler.Cheese in project drools by kiegroup.

the class MarshallingTest method testAgendaGroups.

@Test
public void testAgendaGroups() throws Exception {
    String rule1 = "package org.drools.compiler.test;\n";
    rule1 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule1 += "global java.util.List list\n";
    rule1 += "rule \"Rule 1\"\n";
    rule1 += "    agenda-group \"agenda-group-1\"\n";
    rule1 += "when\n";
    rule1 += "    $c : Cheese( ) \n";
    rule1 += "then\n";
    rule1 += "    list.add( \"rule1\" );\n";
    rule1 += "    drools.halt();\n";
    rule1 += "end";
    String rule2 = "package org.drools.compiler.test;\n";
    rule2 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule2 += "global java.util.List list\n";
    rule2 += "rule \"Rule 2\"\n";
    rule2 += "    salience 10\n";
    rule2 += "    agenda-group \"agenda-group-1\"\n";
    rule2 += "when\n";
    rule2 += "    $c : Cheese( ) \n";
    rule2 += "then\n";
    rule2 += "    list.add( \"rule2\" );\n";
    rule2 += "    drools.halt();\n";
    rule2 += "end";
    String rule3 = "package org.drools.compiler.test;\n";
    rule3 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule3 += "global java.util.List list\n";
    rule3 += "rule \"Rule 3\"\n";
    rule3 += "    salience 10\n";
    rule3 += "    agenda-group \"agenda-group-2\"\n";
    rule3 += "    activation-group \"activation-group-2\"\n";
    rule3 += "when\n";
    rule3 += "    $c : Cheese( ) \n";
    rule3 += "then\n";
    rule3 += "    list.add( \"rule3\" );\n";
    rule3 += "    drools.halt();\n";
    rule3 += "end";
    String rule4 = "package org.drools.compiler.test;\n";
    rule4 += "import " + Cheese.class.getCanonicalName() + "\n";
    rule4 += "global java.util.List list\n";
    rule4 += "rule \"Rule 4\"\n";
    rule4 += "    agenda-group \"agenda-group-2\"\n";
    rule4 += "    activation-group \"activation-group-2\"\n";
    rule4 += "when\n";
    rule4 += "    $c : Cheese( ) \n";
    rule4 += "then\n";
    rule4 += "    list.add( \"rule4\" );\n";
    rule4 += "    drools.halt();\n";
    rule4 += "end";
    KieBase kBase = loadKnowledgeBaseFromString(rule1, rule2, rule3, rule4);
    KieSession ksession = kBase.newKieSession();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    final List list = new ArrayList();
    ksession.setGlobal("list", list);
    final Cheese brie = new Cheese("brie", 12);
    ksession.insert(brie);
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.getAgenda().getAgendaGroup("agenda-group-1").setFocus();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals("rule2", list.get(0));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.getAgenda().getAgendaGroup("agenda-group-2").setFocus();
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals("rule3", list.get(1));
    ksession = getSerialisedStatefulKnowledgeSession(ksession, true);
    ksession.fireAllRules();
    assertEquals("rule1", list.get(2));
}