public async Task <Possible <Stream, Failure> > GetStreamAsync(CasHash hash, UrgencyHint urgencyHint, Guid activityId)
{
var result = await ReadOnlyCacheSession.OpenStreamAsync(new Context(Logger), hash.ToMemoization(), CancellationToken.None);
switch (result.Code)
{
case OpenStreamResult.ResultCode.Success:
if (result.Stream != null)
{
return(result.Stream);
}
return(new NoCasEntryFailure(CacheId, hash));
case OpenStreamResult.ResultCode.Error:
return(new CacheFailure(result.ErrorMessage));
case OpenStreamResult.ResultCode.ContentNotFound:
return(new NoCasEntryFailure(CacheId, hash));
default:
return(new CacheFailure("Unrecognized OpenStreamAsync result code: " + result.Code + ", error message: " + (result.ErrorMessage ?? string.Empty)));
}
}
/// <inheritdoc />
public Task <OpenStreamResult> OpenStreamAsync(Context context, ContentHash contentHash, CancellationToken cts, UrgencyHint urgencyHint)
{
return(_innerCacheSession.OpenStreamAsync(context, contentHash, cts, urgencyHint));
}
