/// <summary>
/// Attempts multiple casts on Data.Edm.IEdmType to reach derived classes and extract full name.
/// Implementation taken (copy-pasted and primitiveType case commented) from OData V4 ExtensionMethods.
/// </summary>
/// <param name="type">OData V3 type to extract name of</param>
/// <returns>Full name of V3 type</returns>
public static string GetFullTypeName(this Data.Edm.IEdmType type)
{
// Taken from OData v4 EdmConstants (internal)
const string CollectionTypeFormat = "Collection({0})";
var namedDefinition = type as Data.Edm.IEdmSchemaElement;
var collectionType = type as Data.Edm.IEdmCollectionType;
if (collectionType == null)
{
return(namedDefinition?.GetFullName());
}
// Handle collection case.
namedDefinition = collectionType.ElementType.Definition as Data.Edm.IEdmSchemaElement;
return(namedDefinition != null?string.Format(CultureInfo.InvariantCulture, CollectionTypeFormat, GetFullName(namedDefinition)) : null);
}
/// <summary>
/// Finds a V4 type definition by the name of a V3 type definition
/// </summary>
/// <param name="model">V4 model to search</param>
/// <param name="t">V3 type</param>
/// <returns>Equivalent V4 Type or null if not found</returns>
public static IEdmType GetV4Definition(this IEdmModel model, Data.Edm.IEdmType t)
{
return(t == null ? null : model.FindType(t.GetFullTypeName()));
}
