Examples with ContextEntry org.kie.dmn.model.api.ContextEntry used on opensource projects

Example 6 with ContextEntry

use of org.kie.dmn.model.api.ContextEntry in project drools by kiegroup.

the class DMNEvaluatorCompiler method compileFunctionDefinitionJAVA.

private DMNExpressionEvaluator compileFunctionDefinitionJAVA(DMNCompilerContext ctx, DMNModelImpl model, DMNBaseNode node, String functionName, FunctionDefinition funcDef) {
    if (funcDef.getExpression() instanceof Context) {
        // proceed
        Context context = (Context) funcDef.getExpression();
        String clazz = null;
        String method = null;
        for (ContextEntry ce : context.getContextEntry()) {
            if (ce.getVariable() != null && ce.getVariable().getName() != null && ce.getExpression() != null && ce.getExpression() instanceof LiteralExpression) {
                if (ce.getVariable().getName().equals("class")) {
                    clazz = stripQuotes(((LiteralExpression) ce.getExpression()).getText().trim());
                } else if (ce.getVariable().getName().equals("method signature")) {
                    method = stripQuotes(((LiteralExpression) ce.getExpression()).getText().trim());
                }
            }
        }
        if (clazz != null && method != null) {
            String params = funcDef.getFormalParameter().stream().map(p -> p.getName()).collect(Collectors.joining(","));
            String expr = String.format("function(%s) external { java: { class: \"%s\", method signature: \"%s\" }}", params, clazz, method);
            try {
                FEELFunction feelFunction = ctx.getFeelHelper().evaluateFunctionDef(ctx, expr, model, funcDef, Msg.FUNC_DEF_COMPILATION_ERR, functionName, node.getIdentifierString());
                if (feelFunction != null) {
                    ((BaseFEELFunction) feelFunction).setName(functionName);
                }
                DMNInvocationEvaluator invoker = new DMNInvocationEvaluator(node.getName(), node.getSource(), functionName, null, (fctx, fname) -> feelFunction, // feel can be null as anyway is hardcoded to `feelFunction`
                null);
                DMNFunctionDefinitionEvaluator func = new DMNFunctionDefinitionEvaluator(node, funcDef);
                for (InformationItem p : funcDef.getFormalParameter()) {
                    DMNCompilerHelper.checkVariableName(model, p, p.getName());
                    DMNType dmnType = compiler.resolveTypeRef(model, p, p, p.getTypeRef());
                    func.addParameter(p.getName(), dmnType);
                    invoker.addParameter(p.getName(), dmnType, (em, dr) -> new EvaluatorResultImpl(dr.getContext().get(p.getName()), EvaluatorResult.ResultType.SUCCESS));
                }
                func.setEvaluator(invoker);
                return func;
            } catch (Throwable e) {
                MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, funcDef, model, e, null, Msg.FUNC_DEF_COMPILATION_ERR, functionName, node.getIdentifierString(), "Exception raised: " + e.getClass().getSimpleName());
            }
        } else {
            MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, funcDef, model, null, null, Msg.FUNC_DEF_MISSING_ENTRY, functionName, node.getIdentifierString());
        }
    } else {
        // error, java function definitions require a context
        MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, funcDef, model, null, null, Msg.FUNC_DEF_BODY_NOT_CONTEXT, node.getIdentifierString());
    }
    return new DMNFunctionDefinitionEvaluator(node, funcDef);
}

Example 7 with ContextEntry

use of org.kie.dmn.model.api.ContextEntry in project drools by kiegroup.

the class DMNEvaluatorCompiler method inferTypeRef.

public static BaseDMNTypeImpl inferTypeRef(DMNModelImpl model, DecisionTable dt, OutputClause oc) {
    BaseDMNTypeImpl typeRef = (BaseDMNTypeImpl) model.getTypeRegistry().unknown();
    if (oc.getTypeRef() != null) {
        QName outputExpressionTypeRef = oc.getTypeRef();
        QName resolvedOutputExpressionTypeRef = DMNCompilerImpl.getNamespaceAndName(oc, model.getImportAliasesForNS(), outputExpressionTypeRef, model.getNamespace());
        typeRef = (BaseDMNTypeImpl) model.getTypeRegistry().resolveType(resolvedOutputExpressionTypeRef.getNamespaceURI(), resolvedOutputExpressionTypeRef.getLocalPart());
        if (typeRef == null) {
            typeRef = (BaseDMNTypeImpl) model.getTypeRegistry().unknown();
        }
    } else if (dt.getOutput().size() == 1 && (dt.getParent() instanceof Decision || dt.getParent() instanceof BusinessKnowledgeModel || dt.getParent() instanceof ContextEntry)) {
        QName inferredTypeRef = recurseUpToInferTypeRef(model, oc, dt);
        // if inferredTypeRef is null, a std err will have been reported
        if (inferredTypeRef != null) {
            QName resolvedInferredTypeRef = DMNCompilerImpl.getNamespaceAndName(oc, model.getImportAliasesForNS(), inferredTypeRef, model.getNamespace());
            typeRef = (BaseDMNTypeImpl) model.getTypeRegistry().resolveType(resolvedInferredTypeRef.getNamespaceURI(), resolvedInferredTypeRef.getLocalPart());
        }
    }
    return typeRef;
}

Example 8 with ContextEntry

use of org.kie.dmn.model.api.ContextEntry in project drools by kiegroup.

the class ValidatorContextTest method testCONTEXT_ENTRY_MISSING_VARIABLE_ReaderInput.

@Test
public void testCONTEXT_ENTRY_MISSING_VARIABLE_ReaderInput() throws IOException {
    try (final Reader reader = getReader("context/CONTEXT_ENTRY_MISSING_VARIABLE.dmn")) {
        final List<DMNMessage> validate = validator.validate(reader, VALIDATE_SCHEMA, VALIDATE_MODEL, VALIDATE_COMPILATION);
        assertThat(ValidatorUtil.formatMessages(validate), validate.size(), is(1));
        assertTrue(validate.stream().anyMatch(p -> p.getMessageType().equals(DMNMessageType.MISSING_VARIABLE)));
        // check that it reports and error for the second context entry, but not for the last one
        final ContextEntry ce = (ContextEntry) validate.get(0).getSourceReference();
        assertThat(((Context) ce.getParent()).getContextEntry().indexOf(ce), is(1));
    }
}

Example 9 with ContextEntry

use of org.kie.dmn.model.api.ContextEntry in project drools by kiegroup.

the class ValidatorContextTest method testCONTEXT_ENTRY_MISSING_VARIABLE_DefinitionsInput.

@Test
public void testCONTEXT_ENTRY_MISSING_VARIABLE_DefinitionsInput() {
    final List<DMNMessage> validate = validator.validate(getDefinitions("context/CONTEXT_ENTRY_MISSING_VARIABLE.dmn", "https://github.com/kiegroup/kie-dmn", "CONTEXT_MISSING_EXPR"), VALIDATE_MODEL, VALIDATE_COMPILATION);
    assertThat(ValidatorUtil.formatMessages(validate), validate.size(), is(1));
    assertTrue(validate.stream().anyMatch(p -> p.getMessageType().equals(DMNMessageType.MISSING_VARIABLE)));
    // check that it reports and error for the second context entry, but not for the last one
    final ContextEntry ce = (ContextEntry) validate.get(0).getSourceReference();
    assertThat(((Context) ce.getParent()).getContextEntry().indexOf(ce), is(1));
}

Example 10 with ContextEntry

use of org.kie.dmn.model.api.ContextEntry in project drools by kiegroup.

the class ValidatorContextTest method testCONTEXT_ENTRY_MISSING_VARIABLE_DefinitionsInput.

@Test
public void testCONTEXT_ENTRY_MISSING_VARIABLE_DefinitionsInput() {
    final List<DMNMessage> validate = validator.validate(getDefinitions("context/CONTEXT_ENTRY_MISSING_VARIABLE.dmn", "https://github.com/kiegroup/kie-dmn", "CONTEXT_MISSING_EXPR"), VALIDATE_MODEL, VALIDATE_COMPILATION);
    assertThat(ValidatorUtil.formatMessages(validate), validate.size(), is(1));
    assertTrue(validate.stream().anyMatch(p -> p.getMessageType().equals(DMNMessageType.MISSING_VARIABLE)));
    // check that it reports and error for the second context entry, but not for the last one
    final ContextEntry ce = (ContextEntry) validate.get(0).getSourceReference();
    assertThat(((Context) ce.getParent()).getContextEntry().indexOf(ce), is(1));
}