private async Task <IReadOnlyList <InvalidPackageHash> > PartitionAndProcessAsync(
int bucketNumber,
int bucketCount,
IReadOnlyList <Package> batch,
CancellationToken token)
{
var packages = batch
.Select(x => new PackageHash(
new PackageIdentity(
x.PackageRegistration.Id,
NuGetVersion.Parse(x.NormalizedVersion)),
x.Hash))
.Where(x => MatchesBucket(bucketNumber, bucketCount, x))
.ToList();
_logger.LogInformation(
"{PackageCount} packages are in bucket {BucketNumber}/{BucketCount} from a batch of size {BatchSize}.",
packages.Count,
bucketNumber,
bucketCount,
batch.Count);
return(await _batchProcessor.ProcessBatchAsync(
packages,
CoreConstants.Sha512HashAlgorithmId,
token));
}