protected FieldBase(
FieldDescriptionBase description,
DirectiveLocation location)
{
if (description == null)
{
throw new ArgumentNullException(nameof(description));
}
if (string.IsNullOrEmpty(description.Name))
{
throw new ArgumentException(
"The name of a field mustn't be null or empty.",
nameof(description));
}
Name = description.Name;
Description = description.Description;
TypeReference = description.TypeReference;
var directives = new DirectiveCollection(
this,
location,
description.Directives);
RegisterForInitialization(directives);
Directives = directives;
}
internal static void AcquireNonNullStatus(
this FieldDescriptionBase fieldDescription,
MemberInfo member)
{
if (member.IsDefined(typeof(GraphQLNonNullTypeAttribute)))
{
var attribute =
member.GetCustomAttribute <GraphQLNonNullTypeAttribute>();
fieldDescription.IsNullable = attribute.IsNullable;
fieldDescription.IsElementNullable = attribute.IsElementNullable;
}
}
internal static void RewriteClrType(
this FieldDescriptionBase fieldDescription,
Func <Type, TypeReference> createContext)
{
if (fieldDescription.IsNullable.HasValue &&
fieldDescription.TypeReference.IsClrTypeReference())
{
fieldDescription.TypeReference = createContext(
DotNetTypeInfoFactory.Rewrite(
fieldDescription.TypeReference.ClrType,
!fieldDescription.IsNullable.Value,
!fieldDescription.IsElementNullable.Value));
}
}
protected FieldBase(FieldDescriptionBase description)
{
if (description == null)
{
throw new ArgumentNullException(nameof(description));
}
if (string.IsNullOrEmpty(description.Name))
{
throw new ArgumentException(
"The name of a field mustn't be null or empty.",
nameof(description));
}
Name = description.Name;
Description = description.Description;
TypeReference = description.TypeReference;
}