public IEnumerable <ValidationMetaData> Validate(
DomainId <IQuestionnaireRootNode> rootNode)
{
var untypedOperators = GetUntypedOperators();
foreach (var untypedOperator in untypedOperators)
{
var leftName = m_domainItemLocator
.Get <IUntypedVariableNode>(untypedOperator.LeftExpression.Id)
.VariableName;
var rightName = m_domainItemLocator
.Get <IUntypedVariableNode>(untypedOperator.RightExpression.Id)
.VariableName;
if (m_variableService.AreCompatible(leftName, rightName))
{
var type = m_variableService.GetQuestionType(leftName);
if (!type.IsValidOperation(untypedOperator))
{
yield return(IncompatableOperationError(untypedOperator, leftName, rightName));
}
continue;
}
yield return(IncompatibleTypeError(leftName, rightName, untypedOperator));
}
}