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

Example 6 with BusinessKnowledgeModelNodeImpl

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

the class BusinessKnowledgeModelCompiler method compileNode.

@Override
public void compileNode(DRGElement de, DMNCompilerImpl compiler, DMNModelImpl model) {
    BusinessKnowledgeModel bkm = (BusinessKnowledgeModel) de;
    BusinessKnowledgeModelNodeImpl bkmn = new BusinessKnowledgeModelNodeImpl(bkm);
    DMNType type = null;
    DMNType fnType = null;
    if (bkm.getVariable() == null) {
        DMNCompilerHelper.reportMissingVariable(model, de, bkm, Msg.MISSING_VARIABLE_FOR_BKM);
        return;
    }
    DMNCompilerHelper.checkVariableName(model, bkm, bkm.getName());
    if (bkm.getVariable().getTypeRef() != null) {
        // variable must be present, otherwise error was already reported above.
        type = compiler.resolveTypeRef(model, bkm, bkm.getVariable(), bkm.getVariable().getTypeRef());
        if (type instanceof SimpleFnTypeImpl) {
            fnType = type;
            type = ((SimpleFnTypeImpl) type).getReturnType();
        }
        // consistency checks
        if (bkm.getEncapsulatedLogic() != null && bkm.getEncapsulatedLogic().getTypeRef() != null) {
            DMNType bkmELType = compiler.resolveTypeRef(model, bkm, bkm.getEncapsulatedLogic(), bkm.getEncapsulatedLogic().getTypeRef());
            if (!areSameDMNType(fnType != null ? fnType : type, bkmELType)) {
                MsgUtil.reportMessage(LOG, DMNMessage.Severity.WARN, bkm.getEncapsulatedLogic(), model, null, null, Msg.VARIABLE_TYPE_MISMATCH_FOR_BKM_EL, bkm.getEncapsulatedLogic().getTypeRef(), bkm.getVariable().getTypeRef());
            }
        }
        if (fnType == null && bkm.getEncapsulatedLogic() != null && bkm.getEncapsulatedLogic().getExpression() != null && bkm.getEncapsulatedLogic().getExpression().getTypeRef() != null) {
            // if fnType != null, this is already taken care of DROOLS-6488 in method checkFnConsistency, further below.
            DMNType elExprType = compiler.resolveTypeRef(model, bkm, bkm.getEncapsulatedLogic().getExpression(), bkm.getEncapsulatedLogic().getExpression().getTypeRef());
            if (!areSameDMNType(type, elExprType)) {
                MsgUtil.reportMessage(LOG, DMNMessage.Severity.WARN, bkm.getEncapsulatedLogic(), model, null, null, Msg.VARIABLE_TYPE_MISMATCH_FOR_BKM_EL_BODY, bkm.getEncapsulatedLogic().getExpression().getTypeRef(), type.getName());
            }
        }
    } else if (bkm.getVariable().getTypeRef() == null && bkm.getEncapsulatedLogic().getExpression() != null && bkm.getEncapsulatedLogic().getExpression().getTypeRef() != null) {
        type = compiler.resolveTypeRef(model, bkm, bkm.getEncapsulatedLogic().getExpression(), bkm.getEncapsulatedLogic().getExpression().getTypeRef());
    } else {
        // for now the call bellow will return type UNKNOWN
        type = compiler.resolveTypeRef(model, bkm, bkm, null);
    }
    bkmn.setType(fnType);
    bkmn.setResultType(type);
    model.addBusinessKnowledgeModel(bkmn);
}

Example 7 with BusinessKnowledgeModelNodeImpl

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

the class BusinessKnowledgeModelCompiler method compileEvaluator.

@Override
public void compileEvaluator(DMNNode node, DMNCompilerImpl compiler, DMNCompilerContext ctx, DMNModelImpl model) {
    BusinessKnowledgeModelNodeImpl bkmi = (BusinessKnowledgeModelNodeImpl) node;
    compiler.linkRequirements(model, bkmi);
    ctx.enterFrame();
    try {
        loadInCtx(bkmi, ctx, model);
        // to allow recursive call from inside a BKM node, a variable for self must be available for the compiler context:
        ctx.setVariable(bkmi.getName(), bkmi.getResultType());
        FunctionDefinition funcDef = bkmi.getBusinessKnowledModel().getEncapsulatedLogic();
        if (bkmi.getType() != null && funcDef != null) {
            checkFnConsistency(model, bkmi, bkmi.getType(), funcDef);
        }
        DMNExpressionEvaluator exprEvaluator = compiler.getEvaluatorCompiler().compileExpression(ctx, model, bkmi, bkmi.getName(), funcDef);
        bkmi.setEvaluator(exprEvaluator);
    } finally {
        ctx.exitFrame();
    }
}