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

Example 6 with LiteralExpression

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

the class DecisionRuleConverter method writeChildren.

@Override
protected void writeChildren(HierarchicalStreamWriter writer, MarshallingContext context, Object parent) {
    super.writeChildren(writer, context, parent);
    DecisionRule dr = (DecisionRule) parent;
    for (UnaryTests ie : dr.getInputEntry()) {
        writeChildrenNode(writer, context, ie, INPUT_ENTRY);
    }
    for (LiteralExpression oe : dr.getOutputEntry()) {
        writeChildrenNode(writer, context, oe, OUTPUT_ENTRY);
    }
    for (RuleAnnotation a : dr.getAnnotationEntry()) {
        writeChildrenNode(writer, context, a, ANNOTATION_ENTRY);
    }
}

Example 7 with LiteralExpression

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

the class LiteralExpressionConverter method writeChildren.

@Override
protected void writeChildren(HierarchicalStreamWriter writer, MarshallingContext context, Object parent) {
    super.writeChildren(writer, context, parent);
    LiteralExpression le = (LiteralExpression) parent;
    if (le.getText() != null)
        writeChildrenNodeAsValue(writer, context, le.getText(), TEXT);
    if (le.getImportedValues() != null)
        writeChildrenNode(writer, context, le.getImportedValues(), IMPORTED_VALUES);
}

Example 8 with LiteralExpression

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

the class LiteralExpressionConverter method assignAttributes.

@Override
protected void assignAttributes(HierarchicalStreamReader reader, Object parent) {
    super.assignAttributes(reader, parent);
    LiteralExpression le = (LiteralExpression) parent;
    String exprLanguage = reader.getAttribute(EXPR_LANGUAGE);
    le.setExpressionLanguage(exprLanguage);
}

Example 9 with LiteralExpression

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

the class LiteralExpressionConverter method writeAttributes.

@Override
protected void writeAttributes(HierarchicalStreamWriter writer, Object parent) {
    super.writeAttributes(writer, parent);
    LiteralExpression le = (LiteralExpression) parent;
    if (le.getExpressionLanguage() != null)
        writer.addAttribute(EXPR_LANGUAGE, le.getExpressionLanguage());
}

Example 10 with LiteralExpression

use of org.kie.dmn.model.api.LiteralExpression 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);
}