public void Delete(PersistentIndexMemoryChunkStatus statusToDelete, bool includeChunksFromEarlierForks)
{
foreach (string path in GetPathsOfMemoryChunksToDelete(statusToDelete, includeChunksFromEarlierForks))
{
BlobManager.Delete(path);
}
}
private void SetMemoryChunkStatus(int memoryBlockID, PersistentIndexMemoryChunkStatus status)
{
if (memoryBlockID >= MemoryChunkStatus.Length)
{
const int numToAddAtOnce = 10;
byte[] memoryChunkStatus = new byte[memoryBlockID + numToAddAtOnce];
for (int i = 0; i < MemoryChunkStatus.Length; i++)
{
memoryChunkStatus[i] = (byte)MemoryChunkStatus.Span[i];
}
MemoryChunkStatus = memoryChunkStatus;
}
MemoryChunkStatus.Span[memoryBlockID] = (byte)status;
}
private IEnumerable <string> GetPathsOfMemoryChunksToDelete(PersistentIndexMemoryChunkStatus statusToDelete, bool includeChunksFromEarlierForks)
{
int numIDs = MemoryChunkStatus.Length;
for (int memoryBlockID = 0; memoryBlockID < numIDs; memoryBlockID++)
{
PersistentIndexMemoryChunkStatus status = GetMemoryChunkStatus(memoryBlockID);
if (status == statusToDelete)
{
if (includeChunksFromEarlierForks || MemoryChunkIsOnSameFork(memoryBlockID))
{
string fullPath = GetPathForMemoryChunk(memoryBlockID);
yield return(fullPath);
}
}
}
}
private void InitializeMemoryChunkStatusFromPrevious()
{
int length = PreviousPersistentIndex.MemoryChunkStatus.Length;
byte[] updated = new byte[length];
for (int memoryBlockID = 0; memoryBlockID < length; memoryBlockID++)
{
PersistentIndexMemoryChunkStatus status = PreviousPersistentIndex.GetMemoryChunkStatus(memoryBlockID);
PersistentIndexMemoryChunkStatus revisedStatus = status switch
{
PersistentIndexMemoryChunkStatus.NotYetUsed => PersistentIndexMemoryChunkStatus.NotYetUsed,
PersistentIndexMemoryChunkStatus.PreviouslyIncluded => PersistentIndexMemoryChunkStatus.PreviouslyIncluded,
PersistentIndexMemoryChunkStatus.NewlyIncluded => PersistentIndexMemoryChunkStatus.PreviouslyIncluded,
PersistentIndexMemoryChunkStatus.PreviouslyOmitted => PersistentIndexMemoryChunkStatus.PreviouslyOmitted,
PersistentIndexMemoryChunkStatus.NewlyOmitted => PersistentIndexMemoryChunkStatus.PreviouslyOmitted,
_ => throw new NotImplementedException()
};
updated[memoryBlockID] = (byte)revisedStatus;
}
MemoryChunkStatus = updated;
}
