Examples with KnowledgeBuilderImpl org.drools.compiler.builder.impl.KnowledgeBuilderImpl used on opensource projects

Example 66 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class KnowledgeBuilderTest method testPredicateMethodCompare.

@Test
public void testPredicateMethodCompare() {
    final KnowledgeBuilderImpl builder1 = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr1 = new PackageDescr("package1");
    createPredicateRule(packageDescr1, "eval(x==y)");
    builder1.addPackage(packageDescr1);
    if (builder1.hasErrors()) {
        fail(builder1.getErrors().toString());
    }
    final Pattern pattern1 = (Pattern) ((RuleImpl) builder1.getPackage("package1").getRules().iterator().next()).getLhs().getChildren().get(0);
    final PredicateConstraint predicate1 = (PredicateConstraint) pattern1.getConstraints().get(0);
    final KnowledgeBuilderImpl builder2 = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr2 = new PackageDescr("package2");
    createPredicateRule(packageDescr2, "eval(x==y)");
    builder2.addPackage(packageDescr2);
    if (builder2.hasErrors()) {
        fail(builder2.getErrors().toString());
    }
    final Pattern pattern2 = (Pattern) ((RuleImpl) builder2.getPackage("package2").getRules().iterator().next()).getLhs().getChildren().get(0);
    final PredicateConstraint predicate2 = (PredicateConstraint) pattern2.getConstraints().get(0);
    final KnowledgeBuilderImpl builder3 = new KnowledgeBuilderImpl();
    if (builder3.hasErrors()) {
        fail(builder3.getErrors().toString());
    }
    final PackageDescr packageDescr3 = new PackageDescr("package3");
    createPredicateRule(packageDescr3, "eval(x!=y)");
    builder3.addPackage(packageDescr3);
    final Pattern pattern3 = (Pattern) ((RuleImpl) builder3.getPackage("package3").getRules().iterator().next()).getLhs().getChildren().get(0);
    final PredicateConstraint predicate3 = (PredicateConstraint) pattern3.getConstraints().get(0);
    assertEquals(predicate1, predicate2);
    assertFalse(predicate1.equals(predicate3));
    assertFalse(predicate2.equals(predicate3));
}

Example 67 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class KnowledgeBuilderTest method testCompilerConfiguration.

@Test
public void testCompilerConfiguration() throws Exception {
    // test default is eclipse jdt core
    KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    PackageDescr pkgDescr = new PackageDescr("org.drools.mvel.compiler.test");
    builder.addPackage(pkgDescr);
    DialectCompiletimeRegistry reg = builder.getPackageRegistry(pkgDescr.getName()).getDialectCompiletimeRegistry();
    final Field dialectField = builder.getClass().getDeclaredField("defaultDialect");
    dialectField.setAccessible(true);
    String dialectName = (String) dialectField.get(builder);
    reg = builder.getPackageRegistry(pkgDescr.getName()).getDialectCompiletimeRegistry();
    Dialect dialect = reg.getDialect(dialectName);
    final Field compilerField = dialect.getClass().getDeclaredField("compiler");
    compilerField.setAccessible(true);
    JavaCompiler compiler = (JavaCompiler) compilerField.get(dialect);
    KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
    JavaForMvelDialectConfiguration javaConf = (JavaForMvelDialectConfiguration) conf.getDialectConfiguration("java");
    switch(javaConf.getCompiler()) {
        case NATIVE:
            assertSame(NativeJavaCompiler.class, compiler.getClass());
            break;
        case ECLIPSE:
            assertSame(EclipseJavaCompiler.class, compiler.getClass());
            break;
        default:
            fail("Unrecognized java compiler");
    }
    // test eclipse jdt core with property settings and default source level
    conf = new KnowledgeBuilderConfigurationImpl();
    javaConf = (JavaForMvelDialectConfiguration) conf.getDialectConfiguration("java");
    javaConf.setCompiler(JavaForMvelDialectConfiguration.CompilerType.ECLIPSE);
    builder = new KnowledgeBuilderImpl(conf);
    builder.addPackage(pkgDescr);
    dialectName = (String) dialectField.get(builder);
    reg = builder.getPackageRegistry(pkgDescr.getName()).getDialectCompiletimeRegistry();
    dialect = reg.getDialect(dialectName);
    compiler = (JavaCompiler) compilerField.get(dialect);
    assertSame(EclipseJavaCompiler.class, compiler.getClass());
}

Example 68 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class KnowledgeBuilderTest method testTypeDeclarationWithFieldMetadata.

@Test
public void testTypeDeclarationWithFieldMetadata() throws Exception {
    PackageDescr pkgDescr = new PackageDescr("org.drools.mvel.compiler.test");
    TypeDeclarationDescr typeDescr = new TypeDeclarationDescr("TypeWithFieldMeta");
    TypeFieldDescr f1 = new TypeFieldDescr("field", new PatternDescr("String"));
    f1.addAnnotation("custom", null);
    typeDescr.addField(f1);
    pkgDescr.addTypeDeclaration(typeDescr);
    KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    builder.addPackage(pkgDescr);
    assertFalse(builder.hasErrors());
    InternalKnowledgePackage bp = builder.getPackage(pkgDescr.getName());
    final FactType factType = bp.getFactType("org.drools.mvel.compiler.test.TypeWithFieldMeta");
    assertNotNull(factType);
    final FactField field = factType.getField("field");
    assertNotNull(field);
    final Map<String, Object> fieldMetaData = field.getMetaData();
    assertNotNull("No field-level custom metadata got compiled", fieldMetaData);
    assertTrue("Field metadata does not include expected value", fieldMetaData.containsKey("custom"));
}

Example 69 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class KnowledgeBuilderTest method testEval.

@Test
public void testEval() throws Exception {
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
    final PackageDescr packageDescr = new PackageDescr("p1");
    final RuleDescr ruleDescr = new RuleDescr("rule-1");
    packageDescr.addRule(ruleDescr);
    final AndDescr lhs = new AndDescr();
    ruleDescr.setLhs(lhs);
    final PatternDescr pattern = new PatternDescr(Cheese.class.getName(), "stilton");
    lhs.addDescr(pattern);
    BindingDescr fieldBindingDescr = new BindingDescr("x", "price");
    pattern.addConstraint(fieldBindingDescr);
    fieldBindingDescr = new BindingDescr("y", "price");
    pattern.addConstraint(fieldBindingDescr);
    packageDescr.addGlobal(new GlobalDescr("map", "java.util.Map"));
    final EvalDescr evalDescr = new EvalDescr("( ( Integer )map.get( new Integer(x) ) ).intValue() == y");
    lhs.addDescr(evalDescr);
    ruleDescr.setConsequence("update(stilton);");
    builder.addPackage(packageDescr);
    assertLength(0, builder.getErrors().getErrors());
    InternalKnowledgePackage pkg = builder.getPackage(packageDescr.getName());
    final RuleImpl rule = pkg.getRule("rule-1");
    final EvalCondition eval = (EvalCondition) rule.getLhs().getChildren().get(1);
    final CompiledInvoker invoker = (CompiledInvoker) eval.getEvalExpression();
    String s = invoker.getMethodBytecode();
}

Example 70 with KnowledgeBuilderImpl

use of org.drools.compiler.builder.impl.KnowledgeBuilderImpl in project drools by kiegroup.

the class KnowledgeBuilderTest method testWarningsReportAsErrors.

@Test
public void testWarningsReportAsErrors() {
    System.setProperty("drools.kbuilder.severity." + DuplicateRule.KEY, "ERROR");
    KnowledgeBuilderConfigurationImpl cfg = new KnowledgeBuilderConfigurationImpl();
    final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl(cfg);
    final PackageDescr packageDescr1 = createBasicPackageWithOneRule(11, 1);
    final PackageDescr packageDescr2 = createBasicPackageWithOneRule(22, 2);
    builder.addPackage(packageDescr1);
    builder.addPackage(packageDescr2);
    assertTrue(builder.hasErrors());
    assertFalse(builder.hasWarnings());
}