public bool Success(Tval val, TimeSpan outdated_ttl, out ProCacheEntry <Tval> entry)
{
entry = _entry;
if (_completion is null)
{
entry.Reset(val, outdated_ttl);
return(true);
}
_completion.SetResult(val);
entry.Reset(val, null);
return(false);
}
public bool Empty(TimeSpan outdated_ttl, out ProCacheEntry <Tval> entry)
{
entry = _entry;
if (_completion is null)
{
entry.Reset(outdated_ttl);
return(true);
}
entry.Reset(null);
_completion.SetResult(default(Tval));
return(false);
}
private async ValueTask <Tval> UpdateAsync(Tkey key, ProCacheEntry <Tval> entry, object state, CancellationToken cancellation)
{
try
{
var res = await _get(key, state, cancellation).ConfigureAwait(false);
entry.Reset(res, _outdateTtl);
_cache.Set(key, entry, _expireTtl);
return(res);
}
catch
{
entry.Reset();
throw;
}
}
public bool Error(Exception ex)
{
if (_completion is null)
{
_entry.Reset();
return(false);
}
_completion.SetException(ex);
return(true);
}
public bool Success(Tval val, TimeSpan outdated_ttl, out ProCacheEntry <Tval> entry)
{
switch (_state)
{
case ResultState.Add:
((TaskCompletionSource <(bool, Tval)>)_completion).SetResult((true, val));
entry = null;
return(false);
case ResultState.Outdate:
entry = (ProCacheEntry <Tval>)_completion;
entry.Reset(val, outdated_ttl);
return(true);
}
throw new NotImplementedException();
}