internal static IEdmType ResolveTypeName(
IEdmModel model,
IEdmType expectedType,
string typeName,
Func <IEdmType, string, IEdmType> customTypeResolver,
ODataVersion version,
out EdmTypeKind typeKind)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(model != null, "model != null");
Debug.Assert(typeName != null, "typeName != null");
IEdmType resolvedType = null;
// Collection types should only be recognized in V3 and higher.
string itemTypeName = version >= ODataVersion.V3 ? EdmLibraryExtensions.GetCollectionItemTypeName(typeName) : null;
if (itemTypeName == null)
{
// Note: we require the type resolver or the model to also resolve
// primitive types.
if (customTypeResolver != null && model.IsUserModel())
{
resolvedType = customTypeResolver(expectedType, typeName);
if (resolvedType == null)
{
// If a type resolver is specified it must never return null.
throw new ODataException(Strings.MetadataUtils_ResolveTypeName(typeName));
}
}
else
{
resolvedType = model.FindType(typeName);
}
// Spatial types are only recognized in V3 and higher.
if (version < ODataVersion.V3 && resolvedType != null && resolvedType.IsSpatial())
{
resolvedType = null;
}
typeKind = resolvedType == null ? EdmTypeKind.None : resolvedType.TypeKind;
}
else
{
// Collection
typeKind = EdmTypeKind.Collection;
EdmTypeKind itemTypeKind;
IEdmType expectedItemType = null;
if (customTypeResolver != null && expectedType != null && expectedType.TypeKind == EdmTypeKind.Collection)
{
expectedItemType = ((IEdmCollectionType)expectedType).ElementType.Definition;
}
IEdmType itemType = ResolveTypeName(model, expectedItemType, itemTypeName, customTypeResolver, version, out itemTypeKind);
if (itemType != null)
{
resolvedType = EdmLibraryExtensions.GetCollectionType(itemType);
}
}
return(resolvedType);
}