internal static TypeUsage ValidateNewEntityWithRelationships(
EntityType entityType,
IEnumerable <DbExpression> attributeValues,
IList <DbRelatedEntityRef> relationships,
out DbExpressionList validArguments,
out ReadOnlyCollection <DbRelatedEntityRef> validRelatedRefs)
{
TypeUsage typeUsage = ArgumentValidation.ValidateNew(ArgumentValidation.CreateResultType((EdmType)entityType), attributeValues, out validArguments);
if (relationships.Count > 0)
{
List <DbRelatedEntityRef> relatedEntityRefList = new List <DbRelatedEntityRef>(relationships.Count);
for (int index = 0; index < relationships.Count; ++index)
{
DbRelatedEntityRef relationship = relationships[index];
EntityTypeBase elementType = TypeHelpers.GetEdmType <RefType>(relationship.SourceEnd.TypeUsage).ElementType;
if (!entityType.EdmEquals((MetadataItem)elementType) && !entityType.IsSubtypeOf((EdmType)elementType))
{
throw new ArgumentException(Strings.Cqt_NewInstance_IncompatibleRelatedEntity_SourceTypeNotValid, StringUtil.FormatIndex(nameof(relationships), index));
}
relatedEntityRefList.Add(relationship);
}
validRelatedRefs = new ReadOnlyCollection <DbRelatedEntityRef>((IList <DbRelatedEntityRef>)relatedEntityRefList);
}
else
{
validRelatedRefs = new ReadOnlyCollection <DbRelatedEntityRef>((IList <DbRelatedEntityRef>) new DbRelatedEntityRef[0]);
}
return(typeUsage);
}