public void Execute()
{
var deleteSet = new HashSet <ulong>(
_pks.Select(x => x.ToHash()).ToList());
foreach (var ix in _ixs)
{
var dataFile = Path.Combine(_directory, ix.Key + ".rdb");
using (var stream = new FileStream(dataFile, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
stream.Seek(ix.Value.DocHashOffset, SeekOrigin.Begin);
var buffer = new byte[DocumentSerializer.SizeOfDocHash()];
while (stream.Position < ix.Value.DocAddressesOffset)
{
stream.Read(buffer, 0, buffer.Length);
var hash = DocumentSerializer.DeserializeDocHash(buffer);
if (deleteSet.Contains(hash.Hash))
{
stream.Position = stream.Position - buffer.Length;
buffer[0] = 1;
stream.Write(buffer, 0, buffer.Length);
deleteSet.Remove(hash.Hash);
}
if (deleteSet.Count == 0)
{
break;
}
}
}
}
}
