private Task <TResource> Find(TKey key, CsDataFindOptions options)
{
TResource cached;
if (resources.TryGetValue(key, out cached))
{
return(Task.FromResult(cached));
}
lock (this.inFlightLock)
{
Task <TResource> inFlight;
if (!this.inFlight.TryGetValue(key, out inFlight))
{
this.inFlight[key] = inFlight = this.adapter.Find <TKey, TResource>(key);
inFlight.ContinueWith(t =>
{
if (t.IsCompleted)
{
this.Inject(new[] { t.Result }, options);
}
lock (this.inFlightLock)
{
this.inFlight.Remove(key);
}
});
}
return(inFlight);
}
}
Task <IEnumerable <TResource> > ICsDataResource <TKey, TResource> .FindAll <TQuery>(TQuery query, CsDataFindOptions options)
{
throw new NotImplementedException();
}
Task <TResource> ICsDataResource <TKey, TResource> .Find(TKey key, CsDataFindOptions options)
{
return(this.Find(key, options ?? CsDataFindOptions.Default));
}