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

Example 6 with DialectCompiletimeRegistry

use of org.drools.compiler.compiler.DialectCompiletimeRegistry 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();
}

Example 7 with DialectCompiletimeRegistry

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

the class JavaConsequenceBuilderTest 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();
    // this test was originally intended with PropertyReactive.ALLOWED:
    conf.setOption(PropertySpecificOption.ALLOWED);
    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();
}

Example 8 with DialectCompiletimeRegistry

use of org.drools.compiler.compiler.DialectCompiletimeRegistry 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.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();
    JavaDialectConfiguration javaConf = (JavaDialectConfiguration) conf.getDialectConfiguration("java");
    switch(javaConf.getCompiler()) {
        case NATIVE:
            assertSame(NativeJavaCompiler.class, compiler.getClass());
            break;
        case ECLIPSE:
            assertSame(EclipseJavaCompiler.class, compiler.getClass());
            break;
        case JANINO:
            assertSame(JaninoJavaCompiler.class, compiler.getClass());
            break;
        default:
            fail("Unrecognized java compiler");
    }
    // test JANINO with property settings
    conf = new KnowledgeBuilderConfigurationImpl();
    javaConf = (JavaDialectConfiguration) conf.getDialectConfiguration("java");
    javaConf.setCompiler(JavaDialectConfiguration.CompilerType.JANINO);
    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(JaninoJavaCompiler.class, compiler.getClass());
    // test eclipse jdt core with property settings and default source level
    conf = new KnowledgeBuilderConfigurationImpl();
    javaConf = (JavaDialectConfiguration) conf.getDialectConfiguration("java");
    javaConf.setCompiler(JavaDialectConfiguration.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 9 with DialectCompiletimeRegistry

use of org.drools.compiler.compiler.DialectCompiletimeRegistry in project jbpm by kiegroup.

the class ProcessBuilderImpl method buildProcess.

public void buildProcess(final Process process, Resource resource) {
    if (resource != null) {
        ((org.jbpm.process.core.Process) process).setResource(resource);
    }
    boolean hasErrors = false;
    ProcessValidator validator = ProcessValidatorRegistry.getInstance().getValidator(process, resource);
    if (validator == null) {
        logger.warn("Could not find validator for process {}.", ((Process) process).getType());
        logger.warn("Continuing without validation of the process {} [{}]", process.getName(), process.getId());
    } else {
        ProcessValidationError[] errors = validator.validateProcess((WorkflowProcess) process);
        if (errors.length != 0) {
            hasErrors = true;
            for (int i = 0; i < errors.length; i++) {
                this.errors.add(new ParserError(resource, errors[i].toString(), -1, -1));
            }
        }
    }
    if (!hasErrors) {
        // generate and add rule for process
        String rules = "package " + process.getPackageName() + "\n";
        // NPE for validator
        if (validator != null && validator.compilationSupported()) {
            rules = generateRules(process);
        }
        try {
            knowledgeBuilder.addPackageFromDrl(new StringReader(rules), resource);
        } catch (IOException e) {
            // should never occur
            logger.error("IOException during addPackageFromDRL", e);
        } catch (DroolsParserException e) {
            // should never occur
            logger.error("DroolsParserException during addPackageFromDRL", e);
        }
        PackageRegistry pkgRegistry = this.knowledgeBuilder.getPackageRegistry(process.getPackageName());
        if (pkgRegistry != null) {
            InternalKnowledgePackage p = pkgRegistry.getPackage();
            if (p != null) {
                if (validator != null) {
                    // NPE for validator
                    if (validator.compilationSupported()) {
                        ProcessDescr processDescr = new ProcessDescr();
                        processDescr.setName(process.getPackageName() + "." + process.getName());
                        processDescr.setResource(resource);
                        processDescr.setProcessId(process.getId());
                        DialectCompiletimeRegistry dialectRegistry = pkgRegistry.getDialectCompiletimeRegistry();
                        Dialect dialect = dialectRegistry.getDialect("java");
                        dialect.init(processDescr);
                        ProcessBuildContext buildContext = new ProcessBuildContext(this.knowledgeBuilder, p, process, processDescr, dialectRegistry, dialect);
                        buildContexts((ContextContainer) process, buildContext);
                        if (process instanceof WorkflowProcess) {
                            buildNodes((WorkflowProcess) process, buildContext);
                        }
                    }
                    Process duplicateProcess = p.getRuleFlows().get(process.getId());
                    if (duplicateProcess != null) {
                        Resource duplicatedResource = duplicateProcess.getResource();
                        if (resource == null || duplicatedResource == null || duplicatedResource.getSourcePath() == null || duplicatedResource.getSourcePath().equals(resource.getSourcePath())) {
                            this.errors.add(new DuplicateProcess(process, this.knowledgeBuilder.getBuilderConfiguration()));
                        } else {
                            this.errors.add(new ParserError(resource, "Process with same id already exists: " + process.getId(), -1, -1));
                        }
                    }
                    p.addProcess(process);
                    // NPE for validator
                    if (validator.compilationSupported()) {
                        pkgRegistry.compileAll();
                        pkgRegistry.getDialectRuntimeRegistry().onBeforeExecute();
                    }
                }
            }
        } else {
            // name of the process
            throw new RuntimeException("invalid package name");
        }
    }
}

Example 10 with DialectCompiletimeRegistry

use of org.drools.compiler.compiler.DialectCompiletimeRegistry in project jbpm by kiegroup.

the class JavaActionBuilderTest method testSimpleAction.

@Test
public void testSimpleAction() throws Exception {
    final InternalKnowledgePackage pkg = new KnowledgePackageImpl("pkg1");
    ActionDescr actionDescr = new ActionDescr();
    actionDescr.setText("list.add( \"hello world\" );");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    JavaDialect javaDialect = (JavaDialect) dialectRegistry.getDialect("java");
    ProcessDescr processDescr = new ProcessDescr();
    processDescr.setClassName("Process1");
    processDescr.setName("Process1");
    WorkflowProcessImpl process = new WorkflowProcessImpl();
    process.setName("Process1");
    process.setPackageName("pkg1");
    ProcessBuildContext context = new ProcessBuildContext(pkgBuilder, pkgBuilder.getPackage("pkg1"), null, processDescr, dialectRegistry, javaDialect);
    context.init(pkgBuilder, pkg, null, dialectRegistry, javaDialect, null);
    pkgBuilder.addPackageFromDrl(new StringReader("package pkg1;\nglobal java.util.List list;\n"));
    ActionNode actionNode = new ActionNode();
    DroolsAction action = new DroolsConsequenceAction("java", null);
    actionNode.setAction(action);
    ProcessDialect dialect = ProcessDialectRegistry.getDialect("java");
    dialect.getActionBuilder().build(context, action, actionDescr, actionNode);
    dialect.addProcess(context);
    javaDialect.compileAll();
    assertEquals(0, javaDialect.getResults().size());
    final InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(Arrays.asList(pkgBuilder.getPackages()));
    final KieSession wm = kbase.newKieSession();
    List<String> list = new ArrayList<String>();
    wm.setGlobal("list", list);
    ProcessContext processContext = new ProcessContext(((InternalWorkingMemory) wm).getKnowledgeRuntime());
    ((Action) actionNode.getAction().getMetaData("Action")).execute(processContext);
    assertEquals("hello world", list.get(0));
}