public FetchSingleDataLoader(
FetchSingle <TKey, TValue> fetch,
int cacheSize)
: base(new DataLoaderOptions <TKey>
{
AutoDispatching = false,
Batching = false,
CacheSize = cacheSize,
MaxBatchSize = DataLoaderDefaults.MaxBatchSize,
SlidingExpiration = TimeSpan.Zero
})
{
_fetch = fetch ?? throw new ArgumentNullException(nameof(fetch));
}
public static IDataLoader <TKey, TValue> DataLoader <TKey, TValue>(
this IResolverContext context,
string key,
FetchSingle <TKey, TValue> fetch)
{
if (string.IsNullOrEmpty(key))
{
// TODO : resources
throw new ArgumentException(
"The DataLoader key cannot be null or empty.",
nameof(key));
}
if (fetch == null)
{
throw new ArgumentNullException(nameof(fetch));
}
return(DataLoader(context, key, services => fetch));
}
public static bool Register <TKey, TValue>(
this IDataLoaderRegistry registry,
string key,
FetchSingle <TKey, TValue> fetch)
{
if (string.IsNullOrEmpty(key))
{
// TODO : Resources
throw new ArgumentException(
"The DataLoader key cannot be null or empty.",
nameof(key));
}
if (fetch == null)
{
throw new ArgumentNullException(nameof(fetch));
}
return(registry.Register(key, services =>
new FetchSingleDataLoader <TKey, TValue>(fetch)));
}
public FetchSingleDataLoader(FetchSingle <TKey, TValue> fetch)
: this(fetch, DataLoaderDefaults.CacheSize)
{
}
