Examples with JavaDialect org.drools.compiler.rule.builder.dialect.java.JavaDialect used on opensource projects

Example 6 with JavaDialect

use of org.drools.compiler.rule.builder.dialect.java.JavaDialect in project jbpm by kiegroup.

the class JavaReturnValueConstraintEvaluatorBuilderTest method testSimpleReturnValueConstraintEvaluator.

@Test
public void testSimpleReturnValueConstraintEvaluator() throws Exception {
    final InternalKnowledgePackage pkg = new KnowledgePackageImpl("pkg1");
    ProcessDescr processDescr = new ProcessDescr();
    processDescr.setClassName("Process1");
    processDescr.setName("Process1");
    WorkflowProcessImpl process = new WorkflowProcessImpl();
    process.setName("Process1");
    process.setPackageName("pkg1");
    ReturnValueDescr descr = new ReturnValueDescr();
    descr.setText("return value;");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    JavaDialect javaDialect = (JavaDialect) dialectRegistry.getDialect("java");
    ProcessBuildContext context = new ProcessBuildContext(pkgBuilder, pkg, process, processDescr, dialectRegistry, javaDialect);
    pkgBuilder.addPackageFromDrl(new StringReader("package pkg1;\nglobal Boolean value;"));
    ReturnValueConstraintEvaluator node = new ReturnValueConstraintEvaluator();
    final JavaReturnValueEvaluatorBuilder builder = new JavaReturnValueEvaluatorBuilder();
    builder.build(context, node, descr, null);
    ProcessDialectRegistry.getDialect(JavaDialect.ID).addProcess(context);
    javaDialect.compileAll();
    assertEquals(0, javaDialect.getResults().size());
    final InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(Arrays.asList(pkgBuilder.getPackages()));
    final KieSession ksession = kbase.newKieSession();
    ksession.setGlobal("value", true);
    RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance();
    processInstance.setKnowledgeRuntime((InternalKnowledgeRuntime) ksession);
    SplitInstance splitInstance = new SplitInstance();
    splitInstance.setProcessInstance(processInstance);
    assertTrue(node.evaluate(splitInstance, null, null));
    ksession.setGlobal("value", false);
    assertFalse(node.evaluate(splitInstance, null, null));
}