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

Example 91 with Cheese

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

the class MVELEvalBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    InternalKnowledgePackage pkg = CoreComponentFactory.get().createKnowledgePackage("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    final RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();
    final InternalReadAccessor extractor = store.getReader(Cheese.class, "price");
    final Pattern pattern = new Pattern(0, new ClassObjectType(int.class));
    final Declaration declaration = new Declaration("a", extractor, pattern);
    final Map map = new HashMap();
    map.put("a", declaration);
    declarationResolver.setDeclarations(map);
    context.setDeclarationResolver(declarationResolver);
    final EvalDescr evalDescr = new EvalDescr();
    evalDescr.setContent("a == 10");
    final MVELEvalBuilder builder = new MVELEvalBuilder();
    final EvalCondition eval = (EvalCondition) builder.build(context, evalDescr);
    ((MVELEvalExpression) eval.getEvalExpression()).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    org.drools.core.reteoo.MockLeftTupleSink sink = new MockLeftTupleSink(buildContext);
    MockTupleSource source = new MockTupleSource(1, buildContext);
    source.setObjectCount(1);
    sink.setLeftTupleSource(source);
    final Cheese cheddar = new Cheese("cheddar", 10);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, sink, true);
    f0.removeLeftTuple(tuple);
    Object evalContext = eval.createContext();
    assertTrue(eval.isAllowed(tuple, ksession, evalContext));
    cheddar.setPrice(9);
    ksession.update(f0, cheddar);
    assertFalse(eval.isAllowed(tuple, ksession, evalContext));
}

Example 92 with Cheese

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

the class Misc2Test method testUnderscoreDoubleMultiplicationCastedToInt.

@Test
public void testUnderscoreDoubleMultiplicationCastedToInt() {
    // DROOLS-1420
    String str = "import " + Cheese.class.getCanonicalName() + "\n" + "global java.util.List list\n" + "rule R when\n" + "  Cheese( $p : price)\n" + "then\n" + "  int b = (int) ($p * 1_000.0);\n" + "  list.add(\"\" + b);" + "end\n";
    KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("test", kieBaseTestConfiguration, str);
    KieSession ksession = kbase.newKieSession();
    List<String> list = new ArrayList<>();
    ksession.setGlobal("list", list);
    ksession.insert(new Cheese("gauda", 42));
    ksession.fireAllRules();
    assertEquals(1, list.size());
    assertEquals("42000", list.get(0));
}

Example 93 with Cheese

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

the class Misc2Test method testPhreakTMS.

@Test
public void testPhreakTMS() {
    // DROOLS-7
    String str = "import " + Person.class.getCanonicalName() + "\n" + "import " + Cheese.class.getCanonicalName() + "\n" + "rule R when\n" + "  Person( $age : age, $name : name == \"A\" )\n" + "  not Person( age == $age + 1 )\n" + "then\n" + "  insertLogical(new Cheese(\"gorgonzola\", 10));\n" + "end\n";
    KieBase kbase = KieBaseUtil.getKieBaseFromKieModuleFromDrl("test", kieBaseTestConfiguration, str);
    KieSession ksession = kbase.newKieSession();
    Person p1 = new Person("A", 31);
    FactHandle fh1 = ksession.insert(p1);
    ksession.fireAllRules();
    assertEquals(1, ksession.getObjects(new ClassObjectFilter(Cheese.class)).size());
    Person p2 = new Person("A", 32);
    FactHandle fh2 = ksession.insert(p2);
    ksession.fireAllRules();
    assertEquals(1, ksession.getObjects(new ClassObjectFilter(Cheese.class)).size());
}

Example 94 with Cheese

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

the class Misc2Test method testErrorReportWithWrongAccumulateFunction.

@Test
public void testErrorReportWithWrongAccumulateFunction() {
    // DROOLS-872
    String drl = "import " + Cheese.class.getCanonicalName() + "\n" + "rule R when\n" + "  Cheese( $type : typo )\n" + "  accumulate(\n" + "    $c : Cheese( type == $type ),\n" + "    $cheeses : collectList( $c ) );\n" + "then\n" + "end\n";
    assertDrlHasCompilationError(drl, -1, kieBaseTestConfiguration);
}

Example 95 with Cheese

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

the class PatternBuilderForQueryTest 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());
}