private TypeUsage GetNewType(TypeUsage type)
{
if (TypeUtils.IsStructuredType(type))
{
return(this.GetTypeInfo(type).FlattenedTypeUsage);
}
TypeUsage elementType;
if (TypeHelpers.TryGetCollectionElementType(type, out elementType))
{
TypeUsage newType = this.GetNewType(elementType);
if (newType.EdmEquals((MetadataItem)elementType))
{
return(type);
}
return(TypeHelpers.CreateCollectionTypeUsage(newType));
}
if (TypeUtils.IsEnumerationType(type))
{
return(TypeHelpers.CreateEnumUnderlyingTypeUsage(type));
}
if (TypeSemantics.IsStrongSpatialType(type))
{
return(TypeHelpers.CreateSpatialUnionTypeUsage(type));
}
return(type);
}
/// <summary>
/// Factory method for creating a type usage for underlying union type of spatial type usage.
/// </summary>
/// <param name="spatialTypeUsage"> Spatial type usage used to create a union type usage of. </param>
/// <returns> Type usage for the spatial union type of the correct topology. </returns>
internal static TypeUsage CreateSpatialUnionTypeUsage(TypeUsage spatialTypeUsage)
{
DebugCheck.NotNull(spatialTypeUsage);
Debug.Assert(TypeSemantics.IsStrongSpatialType(spatialTypeUsage), "spatialTypeUsage is not a strong spatial type");
return(TypeUsage.Create(Helper.GetSpatialNormalizedPrimitiveType(spatialTypeUsage.EdmType), spatialTypeUsage.Facets));
}