public override async Task <AsyncDisposableValue <Stream> > OpenReadAsync(CancellationToken cancellationToken = new CancellationToken())
{
if (!await BlockBlob.ExistsAsync(cancellationToken))
{
throw new ResourceNotFoundException("Metadata not found for this store");
}
cancellationToken.ThrowIfCancellationRequested();
var stream = new ArrayPoolMemoryStream(InitialCapacity, ArrayPool ?? ArrayPool <byte> .Shared);
await BlockBlob.DownloadToStreamAsync(stream, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
stream.Seek(0, SeekOrigin.Begin);
return(new AsyncDisposableValue <Stream>(stream, async() => stream.Dispose()));
}
