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

Example 11 with InformationItem

use of org.kie.dmn.model.api.InformationItem 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 12 with InformationItem

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

the class DecisionServiceCompiler method checkFnConsistency.

private void checkFnConsistency(DMNModelImpl model, DecisionServiceNodeImpl ni, DMNType type, List<DecisionNode> outputDecisions) {
    SimpleFnTypeImpl fnType = ((SimpleFnTypeImpl) type);
    FunctionItem fi = fnType.getFunctionItem();
    if (fi.getParameters().size() != ni.getInputParameters().size()) {
        MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.PARAMETER_COUNT_MISMATCH_COMPILING, ni.getName(), fi.getParameters().size(), ni.getInputParameters().size());
        return;
    }
    for (int i = 0; i < fi.getParameters().size(); i++) {
        InformationItem fiII = fi.getParameters().get(i);
        String fpName = ni.getInputParameters().keySet().stream().skip(i).findFirst().orElse(null);
        if (!fiII.getName().equals(fpName)) {
            List<String> fiParamNames = fi.getParameters().stream().map(InformationItem::getName).collect(Collectors.toList());
            List<String> funcDefParamNames = ni.getInputParameters().keySet().stream().collect(Collectors.toList());
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.PARAMETER_NAMES_MISMATCH_COMPILING, ni.getName(), fiParamNames, funcDefParamNames);
            return;
        }
        QName fiQname = fiII.getTypeRef();
        QName fdQname = null;
        DMNNode fpDMNNode = ni.getInputParameters().get(fpName);
        if (fpDMNNode instanceof InputDataNodeImpl) {
            fdQname = ((InputDataNodeImpl) fpDMNNode).getInputData().getVariable().getTypeRef();
        } else if (fpDMNNode instanceof DecisionNodeImpl) {
            fdQname = ((DecisionNodeImpl) fpDMNNode).getDecision().getVariable().getTypeRef();
        }
        if (fiQname != null && fdQname != null && !fiQname.equals(fdQname)) {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.PARAMETER_TYPEREF_MISMATCH_COMPILING, ni.getName(), fiII.getName(), fiQname, fdQname);
        }
    }
    QName fiReturnType = fi.getOutputTypeRef();
    if (ni.getDecisionService().getOutputDecision().size() == 1) {
        QName fdReturnType = outputDecisions.get(0).getDecision().getVariable().getTypeRef();
        if (fiReturnType != null && fdReturnType != null && !fiReturnType.equals(fdReturnType)) {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.RETURNTYPE_TYPEREF_MISMATCH_COMPILING, ni.getName(), fiReturnType, fdReturnType);
        }
    } else if (ni.getDecisionService().getOutputDecision().size() > 1) {
        final Function<QName, QName> lookupFn = (in) -> DMNCompilerImpl.getNamespaceAndName(ni.getDecisionService(), model.getImportAliasesForNS(), in, model.getNamespace());
        LinkedHashMap<String, QName> fdComposite = new LinkedHashMap<>();
        for (DecisionNode dn : outputDecisions) {
            fdComposite.put(dn.getName(), lookupFn.apply(dn.getDecision().getVariable().getTypeRef()));
        }
        final QName lookup = lookupFn.apply(fiReturnType);
        Optional<ItemDefNodeImpl> composite = model.getItemDefinitions().stream().filter(id -> id.getModelNamespace().equals(lookup.getNamespaceURI()) && id.getName().equals(lookup.getLocalPart())).map(ItemDefNodeImpl.class::cast).findFirst();
        if (!composite.isPresent()) {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.RETURNTYPE_TYPEREF_MISMATCH_COMPILING, ni.getName(), lookup, fdComposite);
            return;
        }
        LinkedHashMap<String, QName> fiComposite = new LinkedHashMap<>();
        for (ItemDefinition ic : composite.get().getItemDef().getItemComponent()) {
            fiComposite.put(ic.getName(), lookupFn.apply(ic.getTypeRef()));
        }
        if (!fiComposite.equals(fdComposite)) {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.RETURNTYPE_TYPEREF_MISMATCH_COMPILING, ni.getName(), fiComposite, fdComposite);
        }
    }
}

Example 13 with InformationItem

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

the class DMNCompilerImpl method processDrgElements.

private void processDrgElements(DMNCompilerContext ctx, DMNModelImpl model, Definitions dmndefs) {
    for (DRGElement e : dmndefs.getDrgElement()) {
        boolean foundIt = false;
        for (DRGElementCompiler dc : drgCompilers) {
            if (dc.accept(e)) {
                foundIt = true;
                dc.compileNode(e, this, model);
                continue;
            }
        }
        if (!foundIt) {
            MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, e, model, null, null, Msg.UNSUPPORTED_ELEMENT, e.getClass().getSimpleName(), e.getId());
        }
    }
    // in DMN v1.1 the DecisionService is not on the DRGElement but as an extension
    if (dmndefs.getExtensionElements() != null) {
        List<DecisionServices> decisionServices = dmndefs.getExtensionElements().getAny().stream().filter(DecisionServices.class::isInstance).map(DecisionServices.class::cast).collect(Collectors.toList());
        for (DecisionServices dss : decisionServices) {
            for (DecisionService ds : dss.getDecisionService()) {
                // compatibility with DMN v1.1, create Decision Service's variable:
                if (ds.getVariable() == null) {
                    InformationItem variable = new TInformationItem();
                    variable.setId(UUID.randomUUID().toString());
                    variable.setName(ds.getName());
                    variable.setParent(ds);
                    // the introduction of an on-the-fly ItemDefinition has been removed. The variable type will be evaluated as feel:any, or in v1.2 will receive the (user-defined, explicit) ItemDefinition type.
                    ds.setVariable(variable);
                }
                // continuing with normal compilation of Decision Service:
                boolean foundIt = false;
                for (DRGElementCompiler dc : drgCompilers) {
                    if (dc.accept(ds)) {
                        foundIt = true;
                        dc.compileNode(ds, this, model);
                        continue;
                    }
                }
            }
        }
    }
    for (DecisionServiceNode ds : model.getDecisionServices()) {
        DecisionServiceNodeImpl dsi = (DecisionServiceNodeImpl) ds;
        dsi.addModelImportAliases(model.getImportAliasesForNS());
        for (DRGElementCompiler dc : drgCompilers) {
            if (dsi.getEvaluator() == null && dc.accept(dsi)) {
                // will compile in fact all DS belonging to this model (not the imported ones).
                dc.compileEvaluator(dsi, this, ctx, model);
            }
        }
    }
    for (BusinessKnowledgeModelNode bkm : model.getBusinessKnowledgeModels()) {
        BusinessKnowledgeModelNodeImpl bkmi = (BusinessKnowledgeModelNodeImpl) bkm;
        bkmi.addModelImportAliases(model.getImportAliasesForNS());
        for (DRGElementCompiler dc : drgCompilers) {
            if (bkmi.getEvaluator() == null && dc.accept(bkm)) {
                dc.compileEvaluator(bkm, this, ctx, model);
            }
        }
    }
    for (DecisionNode d : model.getDecisions()) {
        DecisionNodeImpl di = (DecisionNodeImpl) d;
        di.addModelImportAliases(model.getImportAliasesForNS());
        for (DRGElementCompiler dc : drgCompilers) {
            if (di.getEvaluator() == null && dc.accept(d)) {
                dc.compileEvaluator(d, this, ctx, model);
            }
        }
    }
    for (AfterProcessDrgElements callback : afterDRGcallbacks) {
        logger.debug("About to invoke callback: {}", callback);
        callback.callback(this, ctx, model);
    }
    detectCycles(model);
}

Example 14 with InformationItem

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

the class XLS2DMNParser method appendInputData.

private void appendInputData(Definitions definitions, Map<String, DTHeaderInfo> headerInfos) {
    Set<String> usedRI = new LinkedHashSet<>();
    for (DTHeaderInfo hi : headerInfos.values()) {
        for (String ri : hi.getRequiredInput()) {
            if (!usedRI.contains(ri)) {
                InputData id = new TInputData();
                id.setName(ri);
                id.setId("id_" + CodegenStringUtil.escapeIdentifier(ri));
                InformationItem variable = new TInformationItem();
                variable.setName(ri);
                variable.setId("idvar_" + CodegenStringUtil.escapeIdentifier(ri));
                variable.setTypeRef(new QName("Any"));
                id.setVariable(variable);
                definitions.getDrgElement().add(id);
            }
            usedRI.add(ri);
        }
    }
}

Example 15 with InformationItem

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

the class XLS2DMNParser method appendDecisionDT.

private void appendDecisionDT(Definitions definitions, Map<String, DTHeaderInfo> headerInfos) {
    for (DTHeaderInfo hi : headerInfos.values()) {
        Decision decision = new TDecision();
        decision.setName(hi.getSheetName());
        decision.setId("d_" + CodegenStringUtil.escapeIdentifier(hi.getSheetName()));
        InformationItem variable = new TInformationItem();
        variable.setName(hi.getSheetName());
        variable.setId("dvar_" + CodegenStringUtil.escapeIdentifier(hi.getSheetName()));
        variable.setTypeRef(new QName("Any"));
        decision.setVariable(variable);
        for (String ri : hi.getRequiredInput()) {
            InformationRequirement ir = new TInformationRequirement();
            DMNElementReference er = new TDMNElementReference();
            er.setHref("#id_" + CodegenStringUtil.escapeIdentifier(ri));
            ir.setRequiredInput(er);
            decision.getInformationRequirement().add(ir);
        }
        for (String ri : hi.getRequiredDecision()) {
            InformationRequirement ir = new TInformationRequirement();
            DMNElementReference er = new TDMNElementReference();
            er.setHref("#d_" + CodegenStringUtil.escapeIdentifier(ri));
            ir.setRequiredDecision(er);
            decision.getInformationRequirement().add(ir);
        }
        DecisionTable dt = new TDecisionTable();
        dt.setOutputLabel(hi.getSheetName());
        dt.setId("ddt_" + CodegenStringUtil.escapeIdentifier(hi.getSheetName()));
        dt.setHitPolicy(HitPolicy.ANY);
        for (String ri : hi.getRequiredInput()) {
            InputClause ic = new TInputClause();
            ic.setLabel(ri);
            LiteralExpression le = new TLiteralExpression();
            le.setText(ri);
            ic.setInputExpression(le);
            dt.getInput().add(ic);
        }
        for (String rd : hi.getRequiredDecision()) {
            InputClause ic = new TInputClause();
            ic.setLabel(rd);
            LiteralExpression le = new TLiteralExpression();
            le.setText(rd);
            ic.setInputExpression(le);
            dt.getInput().add(ic);
        }
        OutputClause oc = new TOutputClause();
        dt.getOutput().add(oc);
        decision.setExpression(dt);
        definitions.getDrgElement().add(decision);
    }
}