private TypeUsage TypeUsageForPrimitiveType(Type type)
{
bool isNullable = IsNullableType(type);
type = PrimitiveTypeForType(type);
// Find equivalent EdmType in CSpace. This is a 1-to-1 mapping to CLR types except for the Geometry/Geography types
// (so not supporting those atm).
var primitiveTypeList = _ObjectContext.MetadataWorkspace
.GetPrimitiveTypes(DataSpace.CSpace)
.Where(p => p.ClrEquivalentType == type)
.ToList();
if (primitiveTypeList.Count != 1)
{
throw new ApplicationException(string.Format("Unable to map parameter of type {0} to TypeUsage. Found {1} matching types", type.Name, primitiveTypeList.Count));
}
var primitiveType = primitiveTypeList.FirstOrDefault();
var facetList = new List <Facet>();
if (isNullable)
{
// May not even be necessary to specify these Facets, but just to be safe. And only way to create them is to call the internal Create method...
var createMethod = typeof(Facet).GetMethod("Create", BindingFlags.NonPublic | BindingFlags.Static, null, new Type[] { typeof(FacetDescription), typeof(object) }, null);
var facetDescription = Facet.GetGeneralFacetDescriptions().FirstOrDefault(fd => fd.FacetName == "Nullable");
if (facetDescription != null)
{
facetList.Add((Facet)createMethod.Invoke(null, new object[] { facetDescription, true }));
}
facetDescription = Facet.GetGeneralFacetDescriptions().FirstOrDefault(fd => fd.FacetName == "DefaultValue");
if (facetDescription != null)
{
facetList.Add((Facet)createMethod.Invoke(null, new object[] { facetDescription, null }));
}
}
return(TypeUsage.Create(primitiveType, facetList));
}