public async ValueTask PersistMemoryChunksAsync(bool isInitialVersion)
{
var memoryChunksToPersist = GetUnpersistedMemoryChunks();
long offset = 0;
string pathForSingleBlob = ContainedInSingleBlob ? GetPathForMemoryChunk(0) : null;
if (ContainedInSingleBlob)
{
if (isInitialVersion)
{
if (BlobManager.Exists(pathForSingleBlob))
{
BlobManager.Delete(pathForSingleBlob);
}
offset = 0;
}
else
{
offset = BlobManager.GetLength(pathForSingleBlob);
}
BlobManager.OpenForWriting(pathForSingleBlob);
}
foreach (var memoryChunkToPersist in memoryChunksToPersist)
{
await memoryChunkToPersist.LoadMemoryAsync();
int memoryBlockID = memoryChunkToPersist.MemoryBlockID;
string path = GetPathForMemoryChunk(memoryBlockID);
if (ContainedInSingleBlob)
{
await BlobManager.AppendAsync(path, memoryChunkToPersist.MemoryAsLoaded.ReadOnlyMemory);
UpdateLoadingOffset(memoryChunkToPersist.MemoryBlockID, offset);
offset += memoryChunkToPersist.LoadingInfo.PreTruncationLength;
}
else
{
BlobManager.Write(path, memoryChunkToPersist.MemoryAsLoaded.ReadOnlyMemory);
}
memoryChunkToPersist.IsPersisted = true;
OnMemoryChunkPersisted(memoryBlockID);
}
if (ContainedInSingleBlob)
{
BlobManager.CloseAfterWriting(pathForSingleBlob);
}
}