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

Example 1 with KnowledgeBuilderConfigurationImpl

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

the class RHSTest method testRHSClone.

@Test
public void testRHSClone() {
    // JBRULES-3539
    final String str = "import java.util.Map;\n" + "dialect \"mvel\"\n" + "rule \"RHSClone\"\n" + "when\n" + "   Map($valOne : this['keyOne'] !=null)\n" + "then\n" + "   System.out.println( $valOne.clone() );\n" + "end\n";
    final KnowledgeBuilderConfigurationImpl pkgBuilderCfg = new KnowledgeBuilderConfigurationImpl();
    final MVELDialectConfiguration mvelConf = (MVELDialectConfiguration) pkgBuilderCfg.getDialectConfiguration("mvel");
    mvelConf.setStrict(false);
    mvelConf.setLangLevel(5);
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(pkgBuilderCfg);
    kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
    final KnowledgeBuilderErrors errors = kbuilder.getErrors();
    if (errors.size() > 0) {
        for (final KnowledgeBuilderError error : errors) {
            System.err.println(error);
        }
        fail("Could not parse knowledge");
    }
}

Example 2 with KnowledgeBuilderConfigurationImpl

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

the class KieBuilderImpl method buildPMMLPojos.

private void buildPMMLPojos(List<String> pmmlFileNames, KieProject kProject) {
    PMMLCompiler compiler = PMMLCompilerFactory.getPMMLCompiler();
    System.out.println("!!!!! PMMLCompiler version = " + compiler.getCompilerVersion() + " !!!!!");
    KieFileSystem javaSource = KieServices.Factory.get().newKieFileSystem();
    Map<String, String> javaSources = new HashMap<>();
    for (String fname : pmmlFileNames) {
        Map<String, String> modelSources = null;
        Resource pmmlContent = ResourceFactory.newByteArrayResource(srcMfs.getBytes(fname));
        if (pmmlContent != null) {
            try {
                modelSources = compiler.getJavaClasses(pmmlContent.getInputStream());
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        } else {
            modelSources = compiler.getJavaClasses(fname);
        }
        if (modelSources != null && !modelSources.isEmpty()) {
            javaSources.putAll(modelSources);
        }
    }
    for (String key : javaSources.keySet()) {
        String javaCode = javaSources.get(key);
        if (javaCode != null && !javaCode.trim().isEmpty()) {
            Resource res = ResourceFactory.newByteArrayResource(javaCode.getBytes()).setResourceType(ResourceType.JAVA);
            String sourcePath = key.replaceAll("\\.", "/") + ".java";
            res.setSourcePath(sourcePath);
            javaSource.write(res);
        }
    }
    ResourceReader src = ((KieFileSystemImpl) javaSource).asMemoryFileSystem();
    List<String> javaFileNames = getJavaFileNames(src);
    if (javaFileNames != null && !javaFileNames.isEmpty()) {
        ClassLoader classLoader = kProject.getClassLoader();
        KnowledgeBuilderConfigurationImpl kconf = new KnowledgeBuilderConfigurationImpl(classLoader);
        JavaDialectConfiguration javaConf = (JavaDialectConfiguration) kconf.getDialectConfiguration("java");
        compileJavaClasses(javaConf, classLoader, javaFileNames, JAVA_ROOT, src);
    }
}

Example 3 with KnowledgeBuilderConfigurationImpl

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

the class MVELConsequenceBuilderTest method testImperativeCodeError.

@Test
public void testImperativeCodeError() throws Exception {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("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 4 with KnowledgeBuilderConfigurationImpl

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

the class MVELEvalBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("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();
    MockLeftTupleSink sink = new MockLeftTupleSink();
    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 5 with KnowledgeBuilderConfigurationImpl

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

the class JavaConsequenceBuilderPRAlwaysTest method setupTest.

private void setupTest(String consequence, Map<String, Object> namedConsequences) {
    InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.drools");
    pkg.addImport(new ImportDeclaration("org.drools.compiler.Cheese"));
    KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
    // Although it should be the default, for completeness we explicit this is the test cases how RHS should be rewritten as:
    conf.setOption(PropertySpecificOption.ALWAYS);
    KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl(pkg, conf);
    ruleDescr = new RuleDescr("test consequence builder");
    ruleDescr.setConsequence(consequence);
    for (Entry<String, Object> entry : namedConsequences.entrySet()) {
        ruleDescr.addNamedConsequences(entry.getKey(), entry.getValue());
    }
    RuleImpl rule = ruleDescr.toRule();
    PackageRegistry pkgRegistry = kBuilder.getPackageRegistry(pkg.getName());
    DialectCompiletimeRegistry reg = kBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    context = new RuleBuildContext(kBuilder, ruleDescr, reg, pkg, reg.getDialect(pkgRegistry.getDialect()));
    rule.addPattern(new Pattern(0, new ClassObjectType(Cheese.class), "$cheese"));
    Pattern p = new Pattern(1, new ClassObjectType(Person.class), "$persone");
    Declaration declr = p.addDeclaration("age");
    final InternalReadAccessor extractor = PatternBuilder.getFieldReadAccessor(context, new BindingDescr("age", "age"), p, "age", declr, true);
    rule.addPattern(p);
    context.getDeclarationResolver().pushOnBuildStack(rule.getLhs());
    context.getDialect().getConsequenceBuilder().build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
    for (String name : namedConsequences.keySet()) {
        context.getDialect().getConsequenceBuilder().build(context, name);
    }
    context.getDialect().addRule(context);
    pkgRegistry.getPackage().addRule(context.getRule());
    kBuilder.compileAll();
    kBuilder.reloadAll();
}