public DataLoaderResolver(Func <TSource, TKey> keySelector, DataLoaderResolverDelegate <TKey, TReturn> resolverDelegate)
{
_keySelector = keySelector;
_captureFieldContext = true;
_loaderContext = new DataLoaderContext();
_loader = new DataLoader <TKey, TReturn>(ids => resolverDelegate(ids, _lastContext.Value), _loaderContext);
}
/// <summary>
/// Configures a field to use a <see cref="DataLoaderResolver"/> to resolve batches.
/// </summary>
public static FieldBuilder <TSource, IEnumerable <TReturn> > BatchResolve <TSource, TKey, TReturn>(this FieldBuilder <TSource, object> fieldBuilder, Func <TSource, TKey> keySelector, DataLoaderResolverDelegate <TKey, TReturn> fetchDelegate)
{
return(fieldBuilder
.Returns <IEnumerable <TReturn> >()
.Resolve(new DataLoaderResolver <TSource, TKey, TReturn>(keySelector, fetchDelegate)));
}
