/// <summary>
/// Initializes a new <see cref="EntityDataModel"/>.
/// </summary>
/// <param name="edmxDocument">The edmx file containing the model.</param>
public EntityDataModel(XDocument edmxDocument)
{
_conceptualModel = edmxDocument?.Edm() ?? throw new ArgumentNullException(nameof(edmxDocument));
_conceptualTypeNamespace = _conceptualModel.Descendants("Schema")
.Single()
.Attribute("Namespace").Value;
// The conceptual model entity type that is being mapped is specified by the
// TypeName attribute of the EntityTypeMapping element. The table or view
// that is being mapped is specified by the StoreEntitySet attribute of the
// child MappingFragment element.
_mappings = edmxDocument.Cs().Descendants("EntitySetMapping")
.SelectMany(es => es.Cs().Elements("EntityTypeMapping"))
.ToDictionary(et => Sanitize(et.Attribute("TypeName").Value),
et => et.Cs().Element("MappingFragment")
.Attribute("StoreEntitySet").Value);
}
