internal NtfsEventStore(string basePath, bool dropEvents)
{
Directory.CreateDirectory(basePath);
GlobalSequenceIndex = new GlobalSequenceIndex(basePath, dropEvents);
DataStore = new DataStore(basePath, dropEvents);
CommitLog = new CommitLog(basePath, dropEvents);
}
public void DetectCorruptionAndRecover(DataStore store, long lastCommittedGlobalSequenceNumber)
{
var numberOfRecords = _writer.BaseStream.Length/SizeofSeqRecord;
var expectedNumberOfRecords = lastCommittedGlobalSequenceNumber + 1;
if (expectedNumberOfRecords == numberOfRecords)
return;
_writer.Dispose();
foreach (var orphan in Read(long.MaxValue, lastCommittedGlobalSequenceNumber + 1))
{
store.Truncate(orphan.AggregateRootId, orphan.LocalSequenceNumber);
}
using (var stream = new FileStream(_seqFilePath, FileMode.Open, FileSystemRights.Write, FileShare.Read, 1024, FileOptions.None))
{
stream.SetLength(expectedNumberOfRecords * SizeofSeqRecord);
stream.Flush();
}
OpenWriter();
}
public IEnumerable <EventData> Load(string aggregateRootId, long firstSeq = 0)
{
var lastCommittedGlobalSequenceNumber = CommitLog.Read();
return(DataStore.Read(lastCommittedGlobalSequenceNumber, aggregateRootId, firstSeq));
}