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

Example 6 with DecisionServiceNode

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

the class DMNRuntimeImpl method evaluateDecision.

private boolean evaluateDecision(DMNContext context, DMNResultImpl result, DecisionNode d, boolean typeCheck) {
    DecisionNodeImpl decision = (DecisionNodeImpl) d;
    String decisionId = d.getModelNamespace().equals(result.getModel().getNamespace()) ? decision.getId() : decision.getModelNamespace() + "#" + decision.getId();
    if (isNodeValueDefined(result, decision, decision)) {
        // already resolved
        return true;
    } else {
        // check if the decision was already evaluated before and returned error
        DMNDecisionResult.DecisionEvaluationStatus status = Optional.ofNullable(result.getDecisionResultById(decisionId)).map(DMNDecisionResult::getEvaluationStatus).orElse(// it might be an imported Decision.
        DMNDecisionResult.DecisionEvaluationStatus.NOT_EVALUATED);
        if (FAILED == status || SKIPPED == status || EVALUATING == status) {
            return false;
        }
    }
    BeforeEvaluateDecisionEvent beforeEvaluateDecisionEvent = null;
    try {
        beforeEvaluateDecisionEvent = DMNRuntimeEventManagerUtils.fireBeforeEvaluateDecision(eventManager, decision, result);
        boolean missingInput = false;
        DMNDecisionResultImpl dr = (DMNDecisionResultImpl) result.getDecisionResultById(decisionId);
        if (dr == null) {
            // an imported Decision now evaluated, requires the creation of the decision result:
            String decisionResultName = d.getName();
            Optional<String> importAliasFor = ((DMNModelImpl) result.getModel()).getImportAliasFor(d.getModelNamespace(), d.getModelName());
            if (importAliasFor.isPresent()) {
                decisionResultName = importAliasFor.get() + "." + d.getName();
            }
            dr = new DMNDecisionResultImpl(decisionId, decisionResultName);
            if (importAliasFor.isPresent()) {
                // otherwise is a transitive, skipped and not to be added to the results:
                result.addDecisionResult(dr);
            }
        }
        dr.setEvaluationStatus(DMNDecisionResult.DecisionEvaluationStatus.EVALUATING);
        for (DMNNode dep : decision.getDependencies().values()) {
            try {
                if (typeCheck && !checkDependencyValueIsValid(dep, result)) {
                    missingInput = true;
                    DMNMessage message = MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, ((DMNBaseNode) dep).getSource(), result, null, null, Msg.ERROR_EVAL_NODE_DEP_WRONG_TYPE, getIdentifier(decision), getDependencyIdentifier(decision, dep), MsgUtil.clipString(Objects.toString(result.getContext().get(dep.getName())), 50), ((DMNBaseNode) dep).getType());
                    reportFailure(dr, message, DMNDecisionResult.DecisionEvaluationStatus.SKIPPED);
                }
            } catch (Exception e) {
                MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, ((DMNBaseNode) dep).getSource(), result, e, null, Msg.ERROR_CHECKING_ALLOWED_VALUES, getDependencyIdentifier(decision, dep), e.getMessage());
            }
            if (!isNodeValueDefined(result, decision, dep)) {
                boolean walkingIntoScope = walkIntoImportScope(result, decision, dep);
                if (dep instanceof DecisionNode) {
                    if (!evaluateDecision(context, result, (DecisionNode) dep, typeCheck)) {
                        missingInput = true;
                        DMNMessage message = MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, decision.getSource(), result, null, null, Msg.UNABLE_TO_EVALUATE_DECISION_REQ_DEP, getIdentifier(decision), getDependencyIdentifier(decision, dep));
                        reportFailure(dr, message, DMNDecisionResult.DecisionEvaluationStatus.SKIPPED);
                    }
                } else if (dep instanceof BusinessKnowledgeModelNode) {
                    evaluateBKM(context, result, (BusinessKnowledgeModelNode) dep, typeCheck);
                } else if (dep instanceof DecisionServiceNode) {
                    evaluateDecisionService(context, result, (DecisionServiceNode) dep, typeCheck);
                } else {
                    missingInput = true;
                    DMNMessage message = MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, decision.getSource(), result, null, null, Msg.REQ_DEP_NOT_FOUND_FOR_NODE, getDependencyIdentifier(decision, dep), getIdentifier(decision));
                    reportFailure(dr, message, DMNDecisionResult.DecisionEvaluationStatus.SKIPPED);
                }
                if (walkingIntoScope) {
                    result.getContext().popScope();
                }
            }
        }
        if (missingInput) {
            return false;
        }
        if (decision.getEvaluator() == null) {
            DMNMessage message = MsgUtil.reportMessage(logger, DMNMessage.Severity.WARN, decision.getSource(), result, null, null, Msg.MISSING_EXPRESSION_FOR_DECISION, getIdentifier(decision));
            reportFailure(dr, message, DMNDecisionResult.DecisionEvaluationStatus.SKIPPED);
            return false;
        }
        try {
            EvaluatorResult er = decision.getEvaluator().evaluate(this, result);
            if (er.getResultType() == EvaluatorResult.ResultType.SUCCESS) {
                Object value = er.getResult();
                if (!decision.getResultType().isCollection() && value instanceof Collection && ((Collection) value).size() == 1) {
                    // spec defines that "a=[a]", i.e., singleton collections should be treated as the single element
                    // and vice-versa
                    value = ((Collection) value).toArray()[0];
                }
                try {
                    if (typeCheck && !d.getResultType().isAssignableValue(value)) {
                        DMNMessage message = MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, decision.getSource(), result, null, null, Msg.ERROR_EVAL_NODE_RESULT_WRONG_TYPE, getIdentifier(decision), decision.getResultType(), value);
                        reportFailure(dr, message, DMNDecisionResult.DecisionEvaluationStatus.FAILED);
                        return false;
                    }
                } catch (Exception e) {
                    MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, decision.getSource(), result, e, null, Msg.ERROR_CHECKING_ALLOWED_VALUES, getIdentifier(decision), e.getMessage());
                    return false;
                }
                result.getContext().set(decision.getDecision().getVariable().getName(), value);
                dr.setResult(value);
                dr.setEvaluationStatus(DMNDecisionResult.DecisionEvaluationStatus.SUCCEEDED);
            } else {
                dr.setEvaluationStatus(DMNDecisionResult.DecisionEvaluationStatus.FAILED);
                return false;
            }
        } catch (Throwable t) {
            DMNMessage message = MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, decision.getSource(), result, t, null, Msg.ERROR_EVAL_DECISION_NODE, getIdentifier(decision), t.getMessage());
            reportFailure(dr, message, DMNDecisionResult.DecisionEvaluationStatus.FAILED);
        }
        return true;
    } finally {
        DMNRuntimeEventManagerUtils.fireAfterEvaluateDecision(eventManager, decision, result, beforeEvaluateDecisionEvent);
    }
}

Example 7 with DecisionServiceNode

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

the class DMNTypeSafeTypeGenerator method processTypes.

public DMNTypeSafeTypeGenerator processTypes() {
    Set<InputDataNode> inputs = dmnModel.getInputs();
    DMNInputSetType inputSetType = new DMNInputSetType(index, codeGenConfig);
    for (InputDataNode i : inputs) {
        inputSetType.addField(i.getName(), i.getType());
    }
    inputSetType.initFields();
    inputSetType.setJavadoc(postfixToJavadoc(new StringBuilder("A representation of all the InputData and other DRG Requirement of the whole DMN '").append(dmnModel.getName()).append("' inputs.").toString(), dmnModel));
    types.add(inputSetType);
    Set<DecisionNode> decisions = dmnModel.getDecisions();
    Collection<DecisionServiceNode> decisionServices = dmnModel.getDecisionServices();
    Set<BusinessKnowledgeModelNode> bkms = dmnModel.getBusinessKnowledgeModels();
    DMNOutputSetType outputSetType = new DMNOutputSetType(index, codeGenConfig);
    for (InputDataNode i : inputs) {
        // OutputSet also contains inputs
        outputSetType.addField(i.getName(), i.getType());
    }
    for (DecisionNode d : decisions) {
        outputSetType.addField(d.getName(), d.getResultType());
    }
    for (DecisionServiceNode ds : decisionServices) {
        outputSetType.addField(ds.getName(), dmnModel.getTypeRegistry().unknown());
    }
    for (BusinessKnowledgeModelNode bkm : bkms) {
        outputSetType.addField(bkm.getName(), dmnModel.getTypeRegistry().unknown());
    }
    outputSetType.initFields();
    outputSetType.setJavadoc(postfixToJavadoc(new StringBuilder("A representation of all the OutputData of the whole DMN '").append(dmnModel.getName()).append("' outputs.").toString(), dmnModel));
    types.add(outputSetType);
    for (DMNType type : index.typesToGenerateByNS(dmnModel.getNamespace())) {
        // this generator shall only be concerned with the types belonging to this generator dmnModel.
        DMNDeclaredType dmnDeclaredType = new DMNDeclaredType(index, type, codeGenConfig);
        dmnDeclaredType.setJavadoc(postfixToJavadoc(new StringBuilder("A representation of the DMN defined ItemDefinition type '").append(type.getName()).append("'.").toString(), dmnModel));
        types.add(dmnDeclaredType);
    }
    return this;
}

Example 8 with DecisionServiceNode

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

the class DMNInputRuntimeTest method testOrdering.

@Test
public void testOrdering() {
    final DMNRuntime runtime = DMNRuntimeUtil.createRuntime("Order.dmn", this.getClass());
    final DMNModel dmnModel = runtime.getModel("http://www.trisotech.com/definitions/_6318588b-c32f-4070-848b-bd8017e6b94e", "Drawing 1");
    int index = 1;
    for (InputDataNode node : dmnModel.getInputs()) {
        assertTrue(node.getName().endsWith("" + index++));
    }
    index = 1;
    for (DecisionNode node : dmnModel.getDecisions()) {
        assertTrue(node.getName().endsWith("" + index++));
    }
    index = 1;
    for (BusinessKnowledgeModelNode node : dmnModel.getBusinessKnowledgeModels()) {
        assertTrue(node.getName().endsWith("" + index++));
    }
    index = 1;
    for (ItemDefNode node : dmnModel.getItemDefinitions()) {
        assertTrue(node.getName().endsWith("" + index++));
    }
    index = 1;
    for (DecisionServiceNode node : dmnModel.getDecisionServices()) {
        assertTrue(node.getName().endsWith("" + index++));
    }
}

Example 9 with DecisionServiceNode

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

the class DMNCompilerImpl method linkRequirements.

public void linkRequirements(DMNModelImpl model, DMNBaseNode node) {
    for (InformationRequirement ir : node.getInformationRequirement()) {
        if (ir.getRequiredInput() != null) {
            String id = getId(ir.getRequiredInput());
            InputDataNode input = model.getInputById(id);
            if (input != null) {
                node.addDependency(input.getName(), input);
            } else {
                MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, ir.getRequiredInput(), model, null, null, Msg.REQ_INPUT_NOT_FOUND_FOR_NODE, id, node.getName());
            }
        } else if (ir.getRequiredDecision() != null) {
            String id = getId(ir.getRequiredDecision());
            DecisionNode dn = model.getDecisionById(id);
            if (dn != null) {
                node.addDependency(dn.getName(), dn);
            } else {
                MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, ir.getRequiredDecision(), model, null, null, Msg.REQ_DECISION_NOT_FOUND_FOR_NODE, id, node.getName());
            }
        }
    }
    for (KnowledgeRequirement kr : node.getKnowledgeRequirement()) {
        if (kr.getRequiredKnowledge() != null) {
            String id = getId(kr.getRequiredKnowledge());
            BusinessKnowledgeModelNode bkmn = model.getBusinessKnowledgeModelById(id);
            DecisionServiceNode dsn = model.getDecisionServiceById(id);
            if (bkmn != null) {
                node.addDependency(bkmn.getName(), bkmn);
            } else if (dsn != null) {
                node.addDependency(dsn.getName(), dsn);
            } else {
                MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, kr.getRequiredKnowledge(), model, null, null, // TODO or a DS ?
                Msg.REQ_BKM_NOT_FOUND_FOR_NODE, id, node.getName());
            }
        }
    }
}