Examples with MVELReturnValueEvaluatorBuilder org.jbpm.process.builder.dialect.mvel.MVELReturnValueEvaluatorBuilder used on opensource projects

Example 1 with MVELReturnValueEvaluatorBuilder

use of org.jbpm.process.builder.dialect.mvel.MVELReturnValueEvaluatorBuilder in project jbpm by kiegroup.

the class MVELReturnValueConstraintEvaluatorBuilderTest method testSimpleReturnValueConstraintEvaluator.

@Test
public void testSimpleReturnValueConstraintEvaluator() throws Exception {
    final InternalKnowledgePackage pkg = new KnowledgePackageImpl("pkg1");
    ReturnValueDescr descr = new ReturnValueDescr();
    descr.setText("return value");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    PackageBuildContext context = new PackageBuildContext();
    context.init(pkgBuilder, pkg, null, dialectRegistry, mvelDialect, null);
    pkgBuilder.addPackageFromDrl(new StringReader("package pkg1;\nglobal Boolean value;"));
    ReturnValueConstraintEvaluator node = new ReturnValueConstraintEvaluator();
    final MVELReturnValueEvaluatorBuilder builder = new MVELReturnValueEvaluatorBuilder();
    builder.build(context, node, descr, null);
    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);
    MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkgBuilder.getPackage("pkg1").getDialectRuntimeRegistry().getDialectData("mvel");
    ((MVELReturnValueEvaluator) node.getReturnValueEvaluator()).compile(data);
    assertTrue(node.evaluate(splitInstance, null, null));
    ksession.setGlobal("value", false);
    assertFalse(node.evaluate(splitInstance, null, null));
}