Examples with PackageBuildContext org.drools.compiler.rule.builder.PackageBuildContext used on opensource projects

Example 1 with PackageBuildContext

use of org.drools.compiler.rule.builder.PackageBuildContext in project drools by kiegroup.

the class TypeDeclarationConfigurator method getMvelAnalysisResult.

private static MVELAnalysisResult getMvelAnalysisResult(KnowledgeBuilderImpl kbuilder, BaseDescr typeDescr, TypeDeclaration type, PackageRegistry pkgRegistry, String durationField, InternalKnowledgePackage pkg) {
    MVELDialect dialect = (MVELDialect) pkgRegistry.getDialectCompiletimeRegistry().getDialect("mvel");
    PackageBuildContext context = new PackageBuildContext();
    context.init(kbuilder, pkg, typeDescr, pkgRegistry.getDialectCompiletimeRegistry(), dialect, null);
    if (!type.isTypesafe()) {
        context.setTypesafe(false);
    }
    return (MVELAnalysisResult) context.getDialect().analyzeExpression(context, typeDescr, durationField, new BoundIdentifiers(type.getTypeClass()));
}

Example 2 with PackageBuildContext

use of org.drools.compiler.rule.builder.PackageBuildContext in project jbpm by kiegroup.

the class MVELDecisionBuilderTest 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);
    PackageRegistry pkgReg = pkgBuilder.getPackageRegistry(pkg.getName());
    MVELDialect mvelDialect = (MVELDialect) pkgReg.getDialectCompiletimeRegistry().getDialect("mvel");
    PackageBuildContext context = new PackageBuildContext();
    context.init(pkgBuilder, pkg, null, pkgReg.getDialectCompiletimeRegistry(), mvelDialect, 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);
    final MVELActionBuilder builder = new MVELActionBuilder();
    builder.build(context, action, actionDescr, actionNode);
    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);
    MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkgBuilder.getPackage("pkg1").getDialectRuntimeRegistry().getDialectData("mvel");
    ProcessContext processContext = new ProcessContext(((InternalWorkingMemory) wm).getKnowledgeRuntime());
    ((MVELAction) actionNode.getAction().getMetaData("Action")).compile(data);
    ((Action) actionNode.getAction().getMetaData("Action")).execute(processContext);
    assertEquals("hello world", list.get(0));
}

Example 3 with PackageBuildContext

use of org.drools.compiler.rule.builder.PackageBuildContext 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));
}

Example 4 with PackageBuildContext

use of org.drools.compiler.rule.builder.PackageBuildContext in project jbpm by kiegroup.

the class MVELActionBuilderTest 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();
    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 java.util.List list;\n"));
    ActionNode actionNode = new ActionNode();
    DroolsAction action = new DroolsConsequenceAction("mvel", null);
    actionNode.setAction(action);
    final MVELActionBuilder builder = new MVELActionBuilder();
    builder.build(context, action, actionDescr, actionNode);
    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);
    MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkgBuilder.getPackage("pkg1").getDialectRuntimeRegistry().getDialectData("mvel");
    ((MVELAction) actionNode.getAction().getMetaData("Action")).compile(data);
    ProcessContext processContext = new ProcessContext(((InternalWorkingMemory) wm).getKnowledgeRuntime());
    ((Action) actionNode.getAction().getMetaData("Action")).execute(processContext);
    assertEquals("hello world", list.get(0));
}