private void CompleteAbstractTypeResolver(
ICompletionContext context,
ResolveAbstractType resolveAbstractType)
{
if (resolveAbstractType == null)
{
Func <ISchema> schemaResolver = context.GetSchemaResolver();
// if there is no custom type resolver we will use this default
// abstract type resolver.
IReadOnlyCollection <ObjectType> types = null;
_resolveAbstractType = (c, r) =>
{
if (types == null)
{
ISchema schema = schemaResolver.Invoke();
types = schema.GetPossibleTypes(this);
}
foreach (ObjectType type in types)
{
if (type.IsOfType(c, r))
{
return(type);
}
}
return(null);
};
}
else
{
_resolveAbstractType = resolveAbstractType;
}
}
