public IEnumerable <byte[]> Stream(long globalSequenceNumber = 0)
{
var lastCommitId = CommitLog.Read();
return(from record in GlobalSequenceIndex.Read(lastCommitId, offset: globalSequenceNumber)
select DataStore.Read(record.AggregateRootId, record.LocalSequenceNumber));
}
internal FisqStore(string basePath, bool dropEvents)
{
Directory.CreateDirectory(basePath);
GlobalSequenceIndex = new GlobalSequenceIndex(basePath, dropEvents);
DataStore = new DataStore(basePath, dropEvents);
CommitLog = new CommitLog(basePath, dropEvents);
}
public void Enqueue(string streamId, long seq, byte[] data)
{
lock (_lock)
{
var commitId = CommitLog.Read(out var isCorrupted);
if (isCorrupted)
{
CommitLog.Recover();
}
GlobalSequenceIndex.DetectCorruptionAndRecover(DataStore, commitId);
var nextCommitId = commitId + 1;
var @event = new EventData(streamId, seq, data);
GlobalSequenceIndex.Write(nextCommitId, @event);
DataStore.Write(@event);
CommitLog.Write(nextCommitId);
}
}
public void Dispose()
{
GlobalSequenceIndex.Dispose();
CommitLog.Dispose();
}