/// <inheritdoc />
public async Task TrimStream(IStream stream, int version)
{
var maxVersion = stream.Version;
var count = maxVersion - version;
Log.StopWatch.Start("TrimStream.TruncateStreamStore");
await TruncateStreamStore(stream, version);
Log.StopWatch.Stop("TrimStream.TruncateStreamStore");
if (_useVersionCache)
{
var dict = _versions.GetOrAdd(stream.Key, new ConcurrentDictionary <int, Time>());
while (maxVersion > version)
{
dict.TryRemove(maxVersion, out _);
maxVersion--;
}
}
Log.Debug($"Deleted ({version + 1}..{maxVersion}) {(count > 1 ? "events" : "event")} from {stream.Key}@{stream.Version}");
stream.Version = version;
stream.AddDeleted(count);
UpdateStreamMetadata(stream);
}
