Examples with DecisionServiceNodeImpl org.kie.dmn.core.ast.DecisionServiceNodeImpl used on opensource projects

Example 1 with DecisionServiceNodeImpl

use of org.kie.dmn.core.ast.DecisionServiceNodeImpl in project drools by kiegroup.

the class DMNRuntimeImpl method evaluateDecisionService.

@Override
public DMNResult evaluateDecisionService(DMNModel model, DMNContext context, String decisionServiceName) {
    Objects.requireNonNull(model, () -> MsgUtil.createMessage(Msg.PARAM_CANNOT_BE_NULL, "model"));
    Objects.requireNonNull(context, () -> MsgUtil.createMessage(Msg.PARAM_CANNOT_BE_NULL, "context"));
    Objects.requireNonNull(decisionServiceName, () -> MsgUtil.createMessage(Msg.PARAM_CANNOT_BE_NULL, "decisionServiceName"));
    boolean typeCheck = performRuntimeTypeCheck(model);
    DMNResultImpl result = createResultImpl(model, context);
    // the engine should evaluate all belonging to the "local" model namespace, not imported nodes explicitly.
    Optional<DecisionServiceNode> lookupDS = ((DMNModelImpl) model).getDecisionServices().stream().filter(d -> d.getModelNamespace().equals(model.getNamespace())).filter(ds -> ds.getName().equals(decisionServiceName)).findFirst();
    if (lookupDS.isPresent()) {
        DecisionServiceNodeImpl decisionService = (DecisionServiceNodeImpl) lookupDS.get();
        for (DMNNode dep : decisionService.getInputParameters().values()) {
            if (!isNodeValueDefined(result, decisionService, dep)) {
                DMNMessage message = MsgUtil.reportMessage(logger, DMNMessage.Severity.WARN, decisionService.getSource(), result, null, null, Msg.REQ_INPUT_NOT_FOUND_FOR_DS, getDependencyIdentifier(decisionService, dep), getIdentifier(decisionService));
                final boolean walkingIntoScope = walkIntoImportScope(result, decisionService, dep);
                result.getContext().set(dep.getName(), null);
                if (walkingIntoScope) {
                    result.getContext().popScope();
                }
            } else {
                final boolean walkingIntoScope = walkIntoImportScope(result, decisionService, dep);
                final Object originalValue = result.getContext().get(dep.getName());
                DMNType depType = ((DMNModelImpl) model).getTypeRegistry().unknown();
                if (dep instanceof InputDataNode) {
                    depType = ((InputDataNode) dep).getType();
                } else if (dep instanceof DecisionNode) {
                    depType = ((DecisionNode) dep).getResultType();
                }
                Object c = coerceUsingType(originalValue, depType, typeCheck, (r, t) -> MsgUtil.reportMessage(logger, DMNMessage.Severity.WARN, decisionService.getDecisionService(), result, null, null, Msg.PARAMETER_TYPE_MISMATCH_DS, dep.getName(), t, MsgUtil.clipString(r.toString(), 50)));
                if (c != originalValue) {
                    // intentional by-reference
                    result.getContext().set(dep.getName(), c);
                }
                if (walkingIntoScope) {
                    result.getContext().popScope();
                }
            }
        }
        // please note singleton output coercion does not influence anyway when invoked DS on a model.
        EvaluatorResult evaluate = new DMNDecisionServiceEvaluator(decisionService, true, false).evaluate(this, result);
    } else {
        MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, null, result, null, null, Msg.DECISION_SERVICE_NOT_FOUND_FOR_NAME, decisionServiceName);
    }
    return result;
}

Example 2 with DecisionServiceNodeImpl

use of org.kie.dmn.core.ast.DecisionServiceNodeImpl in project drools by kiegroup.

the class DynamicDMNContextBuilder method populateContextForDecisionServiceWith.

public DMNContext populateContextForDecisionServiceWith(String decisionServiceName, Map<String, Object> json) {
    DecisionServiceNode dsNode = model.getDecisionServices().stream().filter(ds -> ds.getName().equals(decisionServiceName)).findFirst().orElseThrow(IllegalArgumentException::new);
    for (Entry<String, Object> kv : json.entrySet()) {
        DecisionServiceNodeImpl dsNodeImpl = (DecisionServiceNodeImpl) dsNode;
        DMNNode node = dsNodeImpl.getInputParameters().get(kv.getKey());
        if (node instanceof InputDataNode) {
            processInputDataNode(kv, (InputDataNode) node);
        } else if (node instanceof DecisionNode) {
            processDecisionNode(kv, (DecisionNode) node);
        } else {
            LOG.debug("The key {} was not a RequiredInput nor a RequiredDecision for the DecisionService, setting it as-is.", kv.getKey());
            context.set(kv.getKey(), kv.getValue());
        }
    }
    return context;
}

Example 3 with DecisionServiceNodeImpl

use of org.kie.dmn.core.ast.DecisionServiceNodeImpl in project drools by kiegroup.

the class DecisionServiceCompiler method compileEvaluator.

@Override
public void compileEvaluator(DMNNode node, DMNCompilerImpl compiler, DMNCompilerContext ctx, DMNModelImpl model) {
    DecisionServiceNodeImpl ni = (DecisionServiceNodeImpl) node;
    List<DSFormalParameter> parameters = new ArrayList<>();
    for (DMNElementReference er : ni.getDecisionService().getInputData()) {
        String id = DMNCompilerImpl.getId(er);
        InputDataNode input = model.getInputById(id);
        String inputNamePrefix = inputQualifiedNamePrefix(input, model);
        if (input != null) {
            ni.addInputParameter(inputNamePrefix != null ? inputNamePrefix + "." + input.getName() : input.getName(), input);
            parameters.add(new DSFormalParameter(inputNamePrefix, input.getName(), input.getType()));
        } else {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.REFERENCE_NOT_FOUND_FOR_DS, id, node.getName());
        }
    }
    for (DMNElementReference er : ni.getDecisionService().getInputDecision()) {
        String id = DMNCompilerImpl.getId(er);
        DecisionNode input = model.getDecisionById(id);
        String inputNamePrefix = inputQualifiedNamePrefix(input, model);
        if (input != null) {
            ni.addInputParameter(inputNamePrefix != null ? inputNamePrefix + "." + input.getName() : input.getName(), input);
            parameters.add(new DSFormalParameter(inputNamePrefix, input.getName(), input.getResultType()));
        } else {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.REFERENCE_NOT_FOUND_FOR_DS, id, node.getName());
        }
    }
    for (DMNElementReference er : ni.getDecisionService().getEncapsulatedDecision()) {
        String id = DMNCompilerImpl.getId(er);
        DecisionNode input = model.getDecisionById(id);
        if (input != null) {
        // nothing to do.
        } else {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.REFERENCE_NOT_FOUND_FOR_DS, id, node.getName());
        }
    }
    List<DecisionNode> outputDecisions = new ArrayList<>();
    for (DMNElementReference er : ni.getDecisionService().getOutputDecision()) {
        String id = DMNCompilerImpl.getId(er);
        DecisionNode outDecision = model.getDecisionById(id);
        if (outDecision != null) {
            outputDecisions.add(outDecision);
        } else {
            MsgUtil.reportMessage(LOG, DMNMessage.Severity.ERROR, ni.getDecisionService(), model, null, null, Msg.REFERENCE_NOT_FOUND_FOR_DS, id, node.getName());
        }
    }
    boolean coerceSingleton = ((DMNCompilerConfigurationImpl) compiler.getDmnCompilerConfig()).getOption(CoerceDecisionServiceSingletonOutputOption.class).isCoerceSingleton();
    DMNDecisionServiceFunctionDefinitionEvaluator exprEvaluator = new DMNDecisionServiceFunctionDefinitionEvaluator(ni, parameters, coerceSingleton);
    ni.setEvaluator(exprEvaluator);
    if (ni.getType() != null) {
        checkFnConsistency(model, ni, ni.getType(), outputDecisions);
    }
}

Example 4 with DecisionServiceNodeImpl

use of org.kie.dmn.core.ast.DecisionServiceNodeImpl 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 5 with DecisionServiceNodeImpl

use of org.kie.dmn.core.ast.DecisionServiceNodeImpl in project drools by kiegroup.

the class DecisionServiceCompiler method compileNode.

/**
 * backport of DMN v1.1
 */
public void compileNode(DecisionService ds, DMNCompilerImpl compiler, DMNModelImpl model) {
    DMNType type = null;
    DMNType fnType = null;
    if (ds.getVariable() == null) {
        // even for the v1.1 backport, variable creation is taken care in DMNCompiler.
        DMNCompilerHelper.reportMissingVariable(model, ds, ds, Msg.MISSING_VARIABLE_FOR_DS);
        return;
    }
    DMNCompilerHelper.checkVariableName(model, ds, ds.getName());
    if (ds.getVariable() != null && ds.getVariable().getTypeRef() != null) {
        type = compiler.resolveTypeRef(model, ds, ds.getVariable(), ds.getVariable().getTypeRef());
        if (type instanceof SimpleFnTypeImpl) {
            fnType = type;
            type = ((SimpleFnTypeImpl) type).getReturnType();
        }
    } else {
        // for now the call bellow will return type UNKNOWN
        type = compiler.resolveTypeRef(model, ds, ds, null);
    }
    DecisionServiceNodeImpl bkmn = new DecisionServiceNodeImpl(ds, fnType, type);
    model.addDecisionService(bkmn);
}