private IList <ContentHashWithLastAccessTimeAndReplicaCount> GetUnpinnedHashesAndCompilePinnedSize(
Context context,
IEnumerable <ContentHashWithLastAccessTimeAndReplicaCount> hashesToPurge,
PinnedSizeChecker pinnedSizeChecker,
PurgeResult purgeResult)
{
long totalPinnedSize = 0; // Compile aggregate pinnedSize for the fail faster case
var unpinnedHashes = new List <ContentHashWithLastAccessTimeAndReplicaCount>();
foreach (var hashInfo in hashesToPurge)
{
var pinnedSize = pinnedSizeChecker(context, hashInfo.ContentHash);
if (pinnedSize >= 0)
{
totalPinnedSize += pinnedSize;
}
else
{
unpinnedHashes.Add(hashInfo);
}
}
purgeResult.MergePinnedSize(totalPinnedSize);
return(unpinnedHashes);
}
/// <summary>
/// Finish setting up distributed eviction.
/// </summary>
public void InitializeDistributedEviction(
UpdateContentWithLastAccessTimeAsync updateMetadataFunc,
Tracer tracer,
PinnedSizeChecker pinnedSizeChecker,
NagleQueue <ContentHash> reregisterHashQueue)
{
Contract.Assert(updateMetadataFunc != null);
Contract.Assert(pinnedSizeChecker != null);
Contract.Assert(tracer != null);
Contract.Assert(reregisterHashQueue != null);
UpdateContentWithLastAccessTimeAsync = updateMetadataFunc;
Tracer = tracer;
PinnedSizeChecker = pinnedSizeChecker;
ReregisterHashQueue = reregisterHashQueue;
IsInitialized = true;
}