protected bool IsEnumeration(InverseAttribute attribute) { return(attribute.AggregationType != null); }
protected bool IsAggregation(InverseAttribute attribute) { return(attribute.InvertedAttr.Domain is AggregationType); }
protected bool IsDoubleAggregation(InverseAttribute attribute) { var aggr = attribute.InvertedAttr.Domain as AggregationType; return(aggr?.ElementType is AggregationType); }