private static IEdmTypeReference GetEdmTypeReference(Dictionary <Type, IEdmType> availableTypes, IEdmTypeConfiguration configuration, bool nullable)
{
Contract.Assert(availableTypes != null);
if (configuration == null)
{
return(null);
}
EdmTypeKind kind = configuration.Kind;
if (kind == EdmTypeKind.Collection)
{
CollectionTypeConfiguration collectionType = (CollectionTypeConfiguration)configuration;
EdmCollectionType edmCollectionType =
new EdmCollectionType(GetEdmTypeReference(availableTypes, collectionType.ElementType, nullable));
return(new EdmCollectionTypeReference(edmCollectionType));
}
else
{
Type configurationClrType = TypeHelper.GetUnderlyingTypeOrSelf(configuration.ClrType);
if (!configurationClrType.IsEnum)
{
configurationClrType = configuration.ClrType;
}
IEdmType type;
if (availableTypes.TryGetValue(configurationClrType, out type))
{
if (kind == EdmTypeKind.Complex)
{
return(new EdmComplexTypeReference((IEdmComplexType)type, nullable));
}
else if (kind == EdmTypeKind.Entity)
{
return(new EdmEntityTypeReference((IEdmEntityType)type, nullable));
}
else if (kind == EdmTypeKind.Enum)
{
return(new EdmEnumTypeReference((IEdmEnumType)type, nullable));
}
else
{
throw Error.InvalidOperation(SRResources.UnsupportedEdmTypeKind, kind.ToString());
}
}
else if (configuration.Kind == EdmTypeKind.Primitive)
{
PrimitiveTypeConfiguration primitiveTypeConfiguration = configuration as PrimitiveTypeConfiguration;
return(new EdmPrimitiveTypeReference(primitiveTypeConfiguration.EdmPrimitiveType, nullable));
}
else
{
throw Error.InvalidOperation(SRResources.NoMatchingIEdmTypeFound, configuration.FullName);
}
}
}