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

Example 36 with Cheese

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

the class MoreBatchExecutionTest method testFireAllRules.

@Test
public void testFireAllRules() {
    KieBase kbase = KieBaseUtil.getKieBaseFromClasspathResources(this.getClass(), kieBaseTestConfiguration, "org/drools/mvel/integrationtests/drl/test_ImportFunctions.drl");
    ksession = kbase.newKieSession();
    final Cheese cheese = new Cheese("stilton", 15);
    ksession.insert(cheese);
    List<?> list = new ArrayList();
    ksession.setGlobal("list", list);
    List<Command<?>> commands = new ArrayList<Command<?>>();
    commands.add(CommandFactory.newFireAllRules("fired"));
    Command<?> cmds = CommandFactory.newBatchExecution(commands);
    ExecutionResults result = (ExecutionResults) ksession.execute(cmds);
    assertNotNull("Batch execution result is null!", result);
    Object firedObject = result.getValue("fired");
    assertTrue("Retrieved object is null or incorrect!", firedObject != null && firedObject instanceof Integer);
    assertEquals(4, firedObject);
    list = (List<?>) ksession.getGlobal("list");
    assertEquals(4, list.size());
    assertEquals("rule1", list.get(0));
    assertEquals("rule2", list.get(1));
    assertEquals("rule3", list.get(2));
    assertEquals("rule4", list.get(3));
}

Example 37 with Cheese

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

the class PatternBuilderForQueryTest method testRuleWithQuery.

@Test
public void testRuleWithQuery() throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    QueryDescr queryDescr = new QueryDescr("query1");
    queryDescr.addParameter("String", "$name");
    queryDescr.addParameter("int", "$age");
    queryDescr.addParameter("String", "$likes");
    packageDescr.addRule(queryDescr);
    AndDescr lhs = new AndDescr();
    queryDescr.setLhs(lhs);
    PatternDescr pattern = new PatternDescr(Person.class.getName());
    lhs.addDescr(pattern);
    pattern.addConstraint(new BindingDescr("$name", "name", true));
    pattern.addConstraint(new BindingDescr("$age", "age", true));
    pattern.addConstraint(new BindingDescr("$likes", "likes", true));
    RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    pattern = new PatternDescr(Cheese.class.getName());
    lhs.addDescr(pattern);
    pattern.addConstraint(new BindingDescr("$type", "type"));
    pattern = new PatternDescr("query1");
    pattern.setQuery(true);
    lhs.addDescr(pattern);
    ExprConstraintDescr expr = new ExprConstraintDescr("'bobba'");
    expr.setPosition(0);
    expr.setType(Type.POSITIONAL);
    pattern.addConstraint(expr);
    expr = new ExprConstraintDescr("$age");
    expr.setPosition(1);
    expr.setType(Type.POSITIONAL);
    pattern.addConstraint(expr);
    expr = new ExprConstraintDescr("$type");
    expr.setPosition(2);
    expr.setType(Type.POSITIONAL);
    pattern.addConstraint(expr);
    ruleDescr.setConsequence("System.out.println(\"age: \" + $age);");
    builder.addPackage(packageDescr);
    assertLength(0, builder.getErrors().getErrors());
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(Arrays.asList(new KiePackage[] { builder.getPackage(packageDescr.getName()) }));
    final KieSession session = kbase.newKieSession();
    session.insert(new Person("bobba", "stilton", 90));
    session.insert(new Person("bobba", "brie", 80));
    session.insert(new Person("bobba", "brie", 75));
    session.insert(new Person("darth", "brie", 100));
    session.insert(new Person("luke", "brie", 25));
    session.insert(new Cheese("brie", 25));
    session.fireAllRules();
}

Example 38 with Cheese

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

the class DynamicRulesTest method testDynamicRuleRemovals.

@Test(timeout = 10000)
public void testDynamicRuleRemovals() throws Exception {
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) KieBaseUtil.getKieBaseFromClasspathResources("test", getClass(), kieBaseTestConfiguration, "test_Dynamic1.drl", "test_Dynamic3.drl", "test_Dynamic4.drl");
    Collection<KiePackage> kpkgs = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_Dynamic2.drl").getKiePackages();
    kbase.addPackages(kpkgs);
    KieSession wm = kbase.newKieSession();
    // AgendaEventListener ael = mock( AgendaEventListener.class );
    // wm.addEventListener( ael );
    final List<?> list = new ArrayList<Object>();
    wm.setGlobal("list", list);
    final PersonInterface bob = new Person("bob", "stilton");
    bob.setStatus("Not evaluated");
    FactHandle fh0 = wm.insert(bob);
    final Cheese stilton1 = new Cheese("stilton", 5);
    FactHandle fh1 = wm.insert(stilton1);
    final Cheese stilton2 = new Cheese("stilton", 3);
    FactHandle fh2 = wm.insert(stilton2);
    final Cheese stilton3 = new Cheese("stilton", 1);
    FactHandle fh3 = wm.insert(stilton3);
    final Cheese cheddar = new Cheese("cheddar", 5);
    FactHandle fh4 = wm.insert(cheddar);
    wm.fireAllRules();
    assertEquals(15, list.size());
    list.clear();
    kbase.removeRule("org.drools.mvel.compiler.test", "Who likes Stilton");
    wm.update(fh0, bob);
    wm.update(fh1, stilton1);
    wm.update(fh2, stilton2);
    wm.update(fh3, stilton3);
    wm.update(fh4, cheddar);
    wm.fireAllRules();
    assertEquals(12, list.size());
    list.clear();
    kbase.removeRule("org.drools.mvel.compiler.test", "like cheese");
    wm.update(fh0, bob);
    wm.update(fh1, stilton1);
    wm.update(fh2, stilton2);
    wm.update(fh3, stilton3);
    wm.update(fh4, cheddar);
    wm.fireAllRules();
    assertEquals(8, list.size());
    list.clear();
    final Cheese muzzarela = new Cheese("muzzarela", 5);
    wm.insert(muzzarela);
    wm.fireAllRules();
    assertEquals(1, list.size());
    list.clear();
}

Example 39 with Cheese

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

the class DynamicRulesTest method testDynamicRuleAdditions.

@Test(timeout = 10000)
public void testDynamicRuleAdditions() throws Exception {
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) KieBaseUtil.getKieBaseFromClasspathResources("test", getClass(), kieBaseTestConfiguration, "test_Dynamic1.drl");
    KieSession workingMemory = kbase.newKieSession();
    workingMemory.setGlobal("total", new Integer(0));
    final List<?> list = new ArrayList<Object>();
    workingMemory.setGlobal("list", list);
    // Adding person in advance. There is no Person() object
    // type node in memory yet, but the rule engine is supposed
    // to handle that correctly
    final PersonInterface bob = new Person("bob", "stilton");
    bob.setStatus("Not evaluated");
    workingMemory.insert(bob);
    final Cheese stilton = new Cheese("stilton", 5);
    workingMemory.insert(stilton);
    final Cheese cheddar = new Cheese("cheddar", 5);
    workingMemory.insert(cheddar);
    workingMemory.fireAllRules();
    assertEquals(1, list.size());
    assertEquals("stilton", list.get(0));
    Collection<KiePackage> kpkgs = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_Dynamic2.drl").getKiePackages();
    kbase.addPackages(kpkgs);
    workingMemory.fireAllRules();
    assertEquals(5, list.size());
    assertEquals("stilton", list.get(0));
    assertTrue("cheddar".equals(list.get(1)) || "cheddar".equals(list.get(2)));
    assertTrue("stilton".equals(list.get(1)) || "stilton".equals(list.get(2)));
    list.clear();
    kpkgs = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_Dynamic3.drl").getKiePackages();
    kbase.addPackages(kpkgs);
    // Package 3 has a rule working on Person instances.
    // As we added person instance in advance, rule should fire now
    workingMemory.fireAllRules();
    assertEquals("Rule from package 3 should have been fired", "match Person ok", bob.getStatus());
    assertEquals(1, list.size());
    assertEquals(bob, list.get(0));
    kpkgs = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_Dynamic4.drl").getKiePackages();
    kbase.addPackages(kpkgs);
    workingMemory.fireAllRules();
    assertEquals("Rule from package 4 should have been fired", "Who likes Stilton ok", bob.getStatus());
    assertEquals(2, list.size());
    assertEquals(bob, list.get(1));
}

Example 40 with Cheese

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

the class DynamicRulesTest method testDynamicNotNode.

@Test(timeout = 10000)
public void testDynamicNotNode() throws Exception {
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) KieBaseUtil.getKieBaseFromClasspathResources(getClass(), kieBaseTestConfiguration, "test_CollectDynamicRules1.drl");
    Environment env = EnvironmentFactory.newEnvironment();
    env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES, new ObjectMarshallingStrategy[] { new IdentityPlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT) });
    KieSession ksession = kbase.newKieSession(null, env);
    List<?> results = new ArrayList<Object>();
    ksession.setGlobal("results", results);
    final Cheese a = new Cheese("stilton", 10);
    final Cheese b = new Cheese("stilton", 15);
    final Cheese c = new Cheese("stilton", 20);
    ksession.insert(a);
    ksession.insert(b);
    ksession.insert(c);
    Collection<KiePackage> kpkgs = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_DynamicNotNode.drl").getKiePackages();
    kbase.addPackages(kpkgs);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, false);
    results = (List) ksession.getGlobal("results");
    ksession.fireAllRules();
    assertEquals(0, results.size());
    kbase.removeKiePackage("org.drools.mvel.compiler");
    ksession.retract(ksession.getFactHandle(b));
    kpkgs = KieBaseUtil.getKieBaseFromClasspathResources("tmp", getClass(), kieBaseTestConfiguration, "test_DynamicNotNode.drl").getKiePackages();
    kbase.addPackages(kpkgs);
    ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession(ksession, false);
    results = (List<?>) ksession.getGlobal("results");
    ksession.fireAllRules();
    assertEquals(1, results.size());
}