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Example 1 with DTInvokerFunction

use of org.kie.dmn.feel.runtime.functions.DTInvokerFunction in project drools by kiegroup.

the class DMNEvaluatorCompiler method compileDecisionTable.

private DMNExpressionEvaluator compileDecisionTable(DMNCompilerContext ctx, DMNModelImpl model, DMNBaseNode node, String dtName, DecisionTable dt) {
    java.util.List<DTInputClause> inputs = new ArrayList<>();
    int index = 0;
    for (InputClause ic : dt.getInput()) {
        index++;
        String inputExpressionText = ic.getInputExpression().getText();
        String inputValuesText = Optional.ofNullable(ic.getInputValues()).map(UnaryTests::getText).orElse(null);
        java.util.List<UnaryTest> inputValues = null;
        if (inputValuesText != null) {
            inputValues = textToUnaryTestList(ctx, inputValuesText, model, ic, Msg.ERR_COMPILING_FEEL_EXPR_ON_DT_INPUT_CLAUSE_IDX, inputValuesText, node.getIdentifierString(), index);
        } else if (ic.getInputExpression().getTypeRef() != null) {
            QName inputExpressionTypeRef = ic.getInputExpression().getTypeRef();
            BaseDMNTypeImpl typeRef = (BaseDMNTypeImpl) model.getTypeRegistry().resolveType(resolveNamespaceForTypeRef(inputExpressionTypeRef, ic.getInputExpression()), inputExpressionTypeRef.getLocalPart());
            inputValues = typeRef.getAllowedValuesFEEL();
        }
        CompiledExpression compiledInput = feel.compileFeelExpression(ctx, inputExpressionText, model, dt, Msg.ERR_COMPILING_FEEL_EXPR_ON_DT_INPUT_CLAUSE_IDX, inputExpressionText, dtName, index);
        inputs.add(new DTInputClause(inputExpressionText, inputValuesText, inputValues, compiledInput));
    }
    java.util.List<DTOutputClause> outputs = new ArrayList<>();
    index = 0;
    boolean hasOutputValues = false;
    for (OutputClause oc : dt.getOutput()) {
        String outputName = oc.getName();
        if (outputName != null) {
            DMNCompilerHelper.checkVariableName(model, node.getSource(), outputName);
        }
        String id = oc.getId();
        String outputValuesText = Optional.ofNullable(oc.getOutputValues()).map(UnaryTests::getText).orElse(null);
        String defaultValue = oc.getDefaultOutputEntry() != null ? oc.getDefaultOutputEntry().getText() : null;
        BaseDMNTypeImpl typeRef = (BaseDMNTypeImpl) DMNTypeRegistry.UNKNOWN;
        java.util.List<UnaryTest> outputValues = null;
        if (oc.getTypeRef() != null) {
            QName outputExpressionTypeRef = oc.getTypeRef();
            typeRef = (BaseDMNTypeImpl) model.getTypeRegistry().resolveType(resolveNamespaceForTypeRef(outputExpressionTypeRef, oc), outputExpressionTypeRef.getLocalPart());
            if (typeRef == null) {
                typeRef = (BaseDMNTypeImpl) DMNTypeRegistry.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) {
                typeRef = (BaseDMNTypeImpl) model.getTypeRegistry().resolveType(resolveNamespaceForTypeRef(inferredTypeRef, oc), inferredTypeRef.getLocalPart());
            }
        }
        if (outputValuesText != null) {
            outputValues = textToUnaryTestList(ctx, outputValuesText, model, oc, Msg.ERR_COMPILING_FEEL_EXPR_ON_DT_OUTPUT_CLAUSE_IDX, outputValuesText, node.getIdentifierString(), ++index);
        } else if (typeRef != DMNTypeRegistry.UNKNOWN) {
            outputValues = typeRef.getAllowedValuesFEEL();
        }
        if (outputValues != null && !outputValues.isEmpty()) {
            hasOutputValues = true;
        }
        outputs.add(new DTOutputClause(outputName, id, outputValues, defaultValue, typeRef.getFeelType(), typeRef.isCollection()));
    }
    if (dt.getHitPolicy().equals(HitPolicy.PRIORITY) && !hasOutputValues) {
        MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, dt.getParent(), model, null, null, Msg.MISSING_OUTPUT_VALUES, dt.getParent());
    }
    java.util.List<DTDecisionRule> rules = new ArrayList<>();
    index = 0;
    for (DecisionRule dr : dt.getRule()) {
        DTDecisionRule rule = new DTDecisionRule(index);
        for (UnaryTests ut : dr.getInputEntry()) {
            final java.util.List<UnaryTest> tests;
            if (ut == null || ut.getText() == null || ut.getText().isEmpty()) {
                tests = Collections.emptyList();
                MsgUtil.reportMessage(logger, DMNMessage.Severity.ERROR, ut, model, null, null, Msg.DTABLE_EMPTY_ENTRY, dt.getRule().indexOf(dr) + 1, dr.getInputEntry().indexOf(ut) + 1, dt.getParentDRDElement().getIdentifierString());
            } else {
                tests = textToUnaryTestList(ctx, ut.getText(), model, dr, Msg.ERR_COMPILING_FEEL_EXPR_ON_DT_RULE_IDX, ut.getText(), node.getIdentifierString(), index + 1);
            }
            rule.getInputEntry().add((c, x) -> tests.stream().anyMatch(t -> {
                Boolean result = t.apply(c, x);
                return result != null && result == true;
            }));
        }
        for (LiteralExpression le : dr.getOutputEntry()) {
            String expressionText = le.getText();
            CompiledExpression compiledExpression = feel.compileFeelExpression(ctx, expressionText, model, dr, Msg.ERR_COMPILING_FEEL_EXPR_ON_DT_RULE_IDX, expressionText, dtName, index + 1);
            rule.getOutputEntry().add(compiledExpression);
        }
        rules.add(rule);
        index++;
    }
    String policy = dt.getHitPolicy().value() + (dt.getAggregation() != null ? " " + dt.getAggregation().value() : "");
    org.kie.dmn.feel.runtime.decisiontables.HitPolicy hp = org.kie.dmn.feel.runtime.decisiontables.HitPolicy.fromString(policy);
    java.util.List<String> parameterNames = new ArrayList<>();
    if (node instanceof BusinessKnowledgeModelNode) {
        // need to break this statement down and check for nulls
        parameterNames.addAll(((BusinessKnowledgeModelNode) node).getBusinessKnowledModel().getEncapsulatedLogic().getFormalParameter().stream().map(f -> f.getName()).collect(toList()));
    } else {
        parameterNames.addAll(node.getDependencies().keySet());
    }
    // creates a FEEL instance which will be used by the invoker/impl (s)
    FEEL feelInstance = feel.newFEELInstance();
    DecisionTableImpl dti = new DecisionTableImpl(dtName, parameterNames, inputs, outputs, rules, hp, feelInstance);
    DTInvokerFunction dtf = new DTInvokerFunction(dti);
    DMNDTExpressionEvaluator dtee = new DMNDTExpressionEvaluator(node, feelInstance, dtf);
    return dtee;
}
Also used : InformationItem(org.kie.dmn.model.v1_1.InformationItem) DMNMessage(org.kie.dmn.api.core.DMNMessage) ContextEntry(org.kie.dmn.model.v1_1.ContextEntry) OutputClause(org.kie.dmn.model.v1_1.OutputClause) FunctionDefinition(org.kie.dmn.model.v1_1.FunctionDefinition) LoggerFactory(org.slf4j.LoggerFactory) LiteralExpression(org.kie.dmn.model.v1_1.LiteralExpression) DMNExpressionEvaluator(org.kie.dmn.core.api.DMNExpressionEvaluator) DTDecisionRule(org.kie.dmn.feel.runtime.decisiontables.DTDecisionRule) EvaluatorResult(org.kie.dmn.core.api.EvaluatorResult) Binding(org.kie.dmn.model.v1_1.Binding) UnaryTest(org.kie.dmn.feel.runtime.UnaryTest) DMNModelInstrumentedBase(org.kie.dmn.model.v1_1.DMNModelInstrumentedBase) BaseDMNTypeImpl(org.kie.dmn.core.impl.BaseDMNTypeImpl) DMNModelImpl(org.kie.dmn.core.impl.DMNModelImpl) DecisionTable(org.kie.dmn.model.v1_1.DecisionTable) DMNRelationEvaluator(org.kie.dmn.core.ast.DMNRelationEvaluator) Collectors(java.util.stream.Collectors) BusinessKnowledgeModelNode(org.kie.dmn.api.core.ast.BusinessKnowledgeModelNode) Context(org.kie.dmn.model.v1_1.Context) List(java.util.List) DMNDTExpressionEvaluator(org.kie.dmn.core.ast.DMNDTExpressionEvaluator) CompiledExpression(org.kie.dmn.feel.lang.CompiledExpression) Invocation(org.kie.dmn.model.v1_1.Invocation) Optional(java.util.Optional) QName(javax.xml.namespace.QName) DMNLiteralExpressionEvaluator(org.kie.dmn.core.ast.DMNLiteralExpressionEvaluator) BusinessKnowledgeModel(org.kie.dmn.model.v1_1.BusinessKnowledgeModel) DMNElement(org.kie.dmn.model.v1_1.DMNElement) FEEL(org.kie.dmn.feel.FEEL) MsgUtil(org.kie.dmn.core.util.MsgUtil) DMNType(org.kie.dmn.api.core.DMNType) DMNContextEvaluator(org.kie.dmn.core.ast.DMNContextEvaluator) DTOutputClause(org.kie.dmn.feel.runtime.decisiontables.DTOutputClause) EvaluatorResultImpl(org.kie.dmn.core.ast.EvaluatorResultImpl) DTInputClause(org.kie.dmn.feel.runtime.decisiontables.DTInputClause) ArrayList(java.util.ArrayList) HitPolicy(org.kie.dmn.model.v1_1.HitPolicy) Relation(org.kie.dmn.model.v1_1.Relation) DecisionNode(org.kie.dmn.api.core.ast.DecisionNode) FEELFunction(org.kie.dmn.feel.runtime.FEELFunction) DMNBaseNode(org.kie.dmn.core.ast.DMNBaseNode) DecisionRule(org.kie.dmn.model.v1_1.DecisionRule) UnaryTests(org.kie.dmn.model.v1_1.UnaryTests) Expression(org.kie.dmn.model.v1_1.Expression) DMNInvocationEvaluator(org.kie.dmn.core.ast.DMNInvocationEvaluator) Logger(org.slf4j.Logger) DMNListEvaluator(org.kie.dmn.core.ast.DMNListEvaluator) DTInvokerFunction(org.kie.dmn.feel.runtime.functions.DTInvokerFunction) Decision(org.kie.dmn.model.v1_1.Decision) Collectors.toList(java.util.stream.Collectors.toList) DMNFunctionDefinitionEvaluator(org.kie.dmn.core.ast.DMNFunctionDefinitionEvaluator) InputClause(org.kie.dmn.model.v1_1.InputClause) Msg(org.kie.dmn.core.util.Msg) DecisionTableImpl(org.kie.dmn.feel.runtime.decisiontables.DecisionTableImpl) Collections(java.util.Collections) BaseFEELFunction(org.kie.dmn.feel.runtime.functions.BaseFEELFunction) FEEL(org.kie.dmn.feel.FEEL) ArrayList(java.util.ArrayList) BusinessKnowledgeModelNode(org.kie.dmn.api.core.ast.BusinessKnowledgeModelNode) UnaryTest(org.kie.dmn.feel.runtime.UnaryTest) CompiledExpression(org.kie.dmn.feel.lang.CompiledExpression) ContextEntry(org.kie.dmn.model.v1_1.ContextEntry) DTDecisionRule(org.kie.dmn.feel.runtime.decisiontables.DTDecisionRule) DecisionRule(org.kie.dmn.model.v1_1.DecisionRule) DTDecisionRule(org.kie.dmn.feel.runtime.decisiontables.DTDecisionRule) DTInputClause(org.kie.dmn.feel.runtime.decisiontables.DTInputClause) DTInputClause(org.kie.dmn.feel.runtime.decisiontables.DTInputClause) InputClause(org.kie.dmn.model.v1_1.InputClause) QName(javax.xml.namespace.QName) DecisionTableImpl(org.kie.dmn.feel.runtime.decisiontables.DecisionTableImpl) LiteralExpression(org.kie.dmn.model.v1_1.LiteralExpression) DTOutputClause(org.kie.dmn.feel.runtime.decisiontables.DTOutputClause) DMNDTExpressionEvaluator(org.kie.dmn.core.ast.DMNDTExpressionEvaluator) BaseDMNTypeImpl(org.kie.dmn.core.impl.BaseDMNTypeImpl) Decision(org.kie.dmn.model.v1_1.Decision) OutputClause(org.kie.dmn.model.v1_1.OutputClause) DTOutputClause(org.kie.dmn.feel.runtime.decisiontables.DTOutputClause) BusinessKnowledgeModel(org.kie.dmn.model.v1_1.BusinessKnowledgeModel) DTInvokerFunction(org.kie.dmn.feel.runtime.functions.DTInvokerFunction) UnaryTests(org.kie.dmn.model.v1_1.UnaryTests)

Aggregations

ArrayList (java.util.ArrayList)1 Collections (java.util.Collections)1 List (java.util.List)1 Optional (java.util.Optional)1 Collectors (java.util.stream.Collectors)1 Collectors.toList (java.util.stream.Collectors.toList)1 QName (javax.xml.namespace.QName)1 DMNMessage (org.kie.dmn.api.core.DMNMessage)1 DMNType (org.kie.dmn.api.core.DMNType)1 BusinessKnowledgeModelNode (org.kie.dmn.api.core.ast.BusinessKnowledgeModelNode)1 DecisionNode (org.kie.dmn.api.core.ast.DecisionNode)1 DMNExpressionEvaluator (org.kie.dmn.core.api.DMNExpressionEvaluator)1 EvaluatorResult (org.kie.dmn.core.api.EvaluatorResult)1 DMNBaseNode (org.kie.dmn.core.ast.DMNBaseNode)1 DMNContextEvaluator (org.kie.dmn.core.ast.DMNContextEvaluator)1 DMNDTExpressionEvaluator (org.kie.dmn.core.ast.DMNDTExpressionEvaluator)1 DMNFunctionDefinitionEvaluator (org.kie.dmn.core.ast.DMNFunctionDefinitionEvaluator)1 DMNInvocationEvaluator (org.kie.dmn.core.ast.DMNInvocationEvaluator)1 DMNListEvaluator (org.kie.dmn.core.ast.DMNListEvaluator)1 DMNLiteralExpressionEvaluator (org.kie.dmn.core.ast.DMNLiteralExpressionEvaluator)1