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

Example 91 with Cheese

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

the class DynamicRulesTest method checkCollectWithDynamicRules.

private void checkCollectWithDynamicRules(String originalDrl) throws java.io.IOException, ClassNotFoundException {
    InternalKnowledgeBase kbase = (InternalKnowledgeBase) loadKnowledgeBase(originalDrl);
    KieSession session = createKnowledgeSession(kbase);
    List<?> list = new ArrayList<Object>();
    session.setGlobal("results", list);
    session.insert(new Cheese("stilton", 10));
    session.insert(new Cheese("brie", 10));
    session.insert(new Cheese("stilton", 10));
    session.insert(new Cheese("muzzarela", 10));
    kbase.addPackages(loadKnowledgePackages("test_CollectDynamicRules2.drl"));
    session.fireAllRules();
    kbase = SerializationHelper.serializeObject(kbase);
    // fire all rules is automatic
    assertEquals(1, list.size());
    assertEquals(2, ((List<?>) list.get(0)).size());
}

Example 92 with Cheese

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

the class MergePackageTest method testMergingDifferentPackages2.

@Test
public void testMergingDifferentPackages2() throws Exception {
    // using different builders
    try {
        final Collection<KiePackage> kpkgs1 = loadKnowledgePackages("test_RuleNameClashes1.drl");
        KiePackage kpkg1 = kpkgs1.stream().filter(pkg -> pkg.getName().equals("org.drools.package1")).findFirst().get();
        assertEquals(1, kpkg1.getRules().size());
        final Collection<KiePackage> kpkgs2 = loadKnowledgePackages("test_RuleNameClashes2.drl");
        KiePackage kpkg2 = kpkgs2.stream().filter(pkg -> pkg.getName().equals("org.drools.package2")).findFirst().get();
        assertEquals(1, kpkg2.getRules().size());
        InternalKnowledgeBase kbase = (InternalKnowledgeBase) loadKnowledgeBase();
        kbase.addPackages(kpkgs1);
        kbase.addPackages(kpkgs2);
        kbase = SerializationHelper.serializeObject(kbase);
        final KieSession ksession = createKnowledgeSession(kbase);
        final List results = new ArrayList();
        ksession.setGlobal("results", results);
        ksession.insert(new Cheese("stilton", 10));
        ksession.insert(new Cheese("brie", 5));
        ksession.fireAllRules();
        assertEquals(results.toString(), 2, results.size());
        assertTrue(results.contains("p1.r1"));
        assertTrue(results.contains("p2.r1"));
    } catch (final KnowledgeBuilderImpl.PackageMergeException e) {
        fail("Should not raise exception when merging different packages into the same rulebase: " + e.getMessage());
    } catch (final Exception e) {
        e.printStackTrace();
        fail("unexpected exception: " + e.getMessage());
    }
}

Example 93 with Cheese

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

the class MoreBatchExecutionTest method testFireAllRules.

@Test
public void testFireAllRules() throws Exception {
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newClassPathResource("org/drools/compiler/integrationtests/drl/test_ImportFunctions.drl"), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    ksession = createKnowledgeSession(kbase);
    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 94 with Cheese

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

the class QueryBuilderTest method testQuery.

@Test
public void testQuery() throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    final QueryDescr queryDescr = new QueryDescr("query1");
    queryDescr.addParameter("String", "$type");
    packageDescr.addRule(queryDescr);
    final AndDescr lhs = new AndDescr();
    queryDescr.setLhs(lhs);
    final PatternDescr pattern = new PatternDescr(Cheese.class.getName(), "stilton");
    lhs.addDescr(pattern);
    pattern.addConstraint(new ExprConstraintDescr("type == $type"));
    // Another query, no parameters
    QueryDescr queryDescr2 = new QueryDescr("query2");
    packageDescr.addRule(queryDescr2);
    AndDescr lhs2 = new AndDescr();
    queryDescr2.setLhs(lhs2);
    PatternDescr pattern2 = new PatternDescr(Cheese.class.getName());
    lhs2.addDescr(pattern2);
    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 Cheese("stilton", 15));
    QueryResults results = session.getQueryResults("query1", "stilton");
    assertEquals(1, results.size());
    Object object = results.iterator().next().get("stilton");
    assertEquals(new Cheese("stilton", 15), object);
    results = session.getQueryResults("query1", new Object[] { "cheddar" });
    assertEquals(0, results.size());
    session.insert(new Cheese("dolcelatte", 20));
    results = session.getQueryResults("query2", new Object[] {});
    assertEquals(2, results.size());
}

Example 95 with Cheese

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

the class AccumulateTest method testAccumulateReturningNull.

@Test(timeout = 10000)
public void testAccumulateReturningNull() throws Exception {
    // read in the source
    KieSession wm = getKieSessionFromResources("test_AccumulateReturningNull.drl");
    final List<?> results = new ArrayList<Object>();
    wm.setGlobal("results", results);
    wm.insert(new Cheese("stilton", 10));
}