Examples with DMNModel org.kie.dmn.api.core.DMNModel used on opensource projects

Example 1 with DMNModel

use of org.kie.dmn.api.core.DMNModel in project drools by kiegroup.

the class DMNAssemblerService method compileResourceToModel.

private DMNModel compileResourceToModel(KnowledgeBuilderImpl kbuilderImpl, DMNCompiler dmnCompiler, Resource resource, Collection<DMNModel> dmnModels) {
    DMNModel model = dmnCompiler.compile(resource, dmnModels);
    if (model != null) {
        String namespace = model.getNamespace();
        PackageRegistry pkgReg = kbuilderImpl.getOrCreatePackageRegistry(new PackageDescr(namespace));
        InternalKnowledgePackage kpkgs = pkgReg.getPackage();
        kpkgs.addCloningResource(DMN_COMPILER_CACHE_KEY, dmnCompiler);
        Map<ResourceType, ResourceTypePackage> rpkg = kpkgs.getResourceTypePackages();
        DMNPackageImpl dmnpkg = (DMNPackageImpl) rpkg.get(ResourceType.DMN);
        if (dmnpkg == null) {
            dmnpkg = new DMNPackageImpl(namespace);
            rpkg.put(ResourceType.DMN, dmnpkg);
        } else {
            if (dmnpkg.getModel(model.getName()) != null) {
                kbuilderImpl.addBuilderResult(new DMNKnowledgeBuilderError(ResultSeverity.ERROR, resource, namespace, "Duplicate model name " + model.getName() + " in namespace " + namespace));
                logger.error("Duplicate model name {} in namespace {}", model.getName(), namespace);
            }
        }
        dmnpkg.addModel(model.getName(), model);
        dmnpkg.addProfiles(kbuilderImpl.getCachedOrCreate(DMN_PROFILES_CACHE_KEY, () -> getDMNProfiles(kbuilderImpl)));
    } else {
        kbuilderImpl.addBuilderResult(new DMNKnowledgeBuilderError(ResultSeverity.ERROR, resource, "Unable to compile DMN model for the resource"));
        logger.error("Unable to compile DMN model for resource {}", resource.getSourcePath());
    }
    return model;
}

Example 2 with DMNModel

use of org.kie.dmn.api.core.DMNModel in project drools by kiegroup.

the class DMNAssemblerService method internalAddResource.

private DMNModel internalAddResource(KnowledgeBuilderImpl kbuilder, DMNCompiler dmnCompiler, ResourceWithConfiguration r, Collection<DMNModel> dmnModels) throws Exception {
    r.getBeforeAdd().accept(kbuilder);
    DMNModel dmnModel = compileResourceToModel(kbuilder, dmnCompiler, r.getResource(), dmnModels);
    r.getAfterAdd().accept(kbuilder);
    return dmnModel;
}

Example 3 with DMNModel

use of org.kie.dmn.api.core.DMNModel in project drools by kiegroup.

the class DMNCompilerImpl method compile.

@Override
public DMNModel compile(Reader source, Collection<DMNModel> dmnModels) {
    try {
        Definitions dmndefs = getMarshaller().unmarshal(source);
        DMNModel model = compile(dmndefs, dmnModels);
        return model;
    } catch (Exception e) {
        logger.error("Error compiling model from source.", e);
    }
    return null;
}

Example 4 with DMNModel

use of org.kie.dmn.api.core.DMNModel in project drools by kiegroup.

the class ValidatorTest method testDryRun.

@Test
public void testDryRun() {
    DMNRuntime runtime = DMNRuntimeUtil.createRuntime("0001-input-data-string.dmn", DMNInputRuntimeTest.class);
    DMNModel dmnModel = runtime.getModel("https://github.com/kiegroup/drools/kie-dmn", "_0001-input-data-string");
    assertThat(dmnModel, notNullValue());
    Definitions definitions = dmnModel.getDefinitions();
    assertThat(definitions, notNullValue());
    DMNValidatorFactory.newValidator().validate(definitions);
}

Example 5 with DMNModel

use of org.kie.dmn.api.core.DMNModel in project drools by kiegroup.

the class InvokeFunction method invoke.

public FEELFnResult<Object> invoke(@ParameterName("ctx") EvaluationContext ctx, @ParameterName("namespace") String namespace, @ParameterName("model name") String modelName, @ParameterName("decision name") String decisionName, @ParameterName("parameters") Map<String, Object> parameters) {
    DMNRuntime dmnRuntime = ctx.getDMNRuntime();
    if (namespace == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(FEELEvent.Severity.ERROR, "namespace", "cannot be null"));
    }
    if (modelName == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(FEELEvent.Severity.ERROR, "model name", "cannot be null"));
    }
    if (decisionName == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(FEELEvent.Severity.ERROR, "decision name", "cannot be null"));
    }
    if (parameters == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(FEELEvent.Severity.ERROR, "parameters", "cannot be null"));
    }
    FEELEvent capturedException = null;
    try {
        ctx.enterFrame();
        DMNModel dmnModel = dmnRuntime.getModel(namespace, modelName);
        if (dmnModel == null) {
            return FEELFnResult.ofError(new FEELEventBase(FEELEvent.Severity.ERROR, "Cannot find model '" + modelName + "' in namespace " + namespace, null));
        }
        if (dmnModel.getDecisionByName(decisionName) == null) {
            return FEELFnResult.ofError(new FEELEventBase(FEELEvent.Severity.ERROR, "Cannot find decision '" + decisionName + "' in the model", null));
        }
        DMNContext dmnContext = dmnRuntime.newContext();
        dmnContext.getAll().putAll(parameters);
        DMNResult requiredDecisionResult = dmnRuntime.evaluateByName(dmnModel, dmnContext, decisionName);
        if (requiredDecisionResult.hasErrors()) {
            return FEELFnResult.ofError(new FEELEventBase(FEELEvent.Severity.ERROR, "Errors occurred while invoking the external decision: " + requiredDecisionResult.getMessages(), null));
        }
        return FEELFnResult.ofResult(requiredDecisionResult.getContext().get(decisionName));
    } catch (Exception e) {
        capturedException = new FEELEventBase(FEELEvent.Severity.ERROR, "Error invoking function", new RuntimeException("Error invoking function " + getName() + ".", e));
    } finally {
        ctx.exitFrame();
    }
    return FEELFnResult.ofError(capturedException);
}