public void Save(Guid batchId, IEnumerable <EventData> events)
{
lock (_lock)
{
var batch = events.ToList();
bool isCorrupted;
var globalSequenceNumber = CommitLog.Read(out isCorrupted);
if (isCorrupted)
{
CommitLog.Recover();
}
GlobalSequenceIndex.DetectCorruptionAndRecover(DataStore, globalSequenceNumber);
foreach (var domainEvent in batch)
{
domainEvent.Meta[DomainEvent.MetadataKeys.GlobalSequenceNumber] = (++globalSequenceNumber).ToString(Metadata.NumberCulture);
domainEvent.Meta[DomainEvent.MetadataKeys.BatchId] = batchId.ToString();
}
EventValidation.ValidateBatchIntegrity(batchId, batch);
GlobalSequenceIndex.Write(batch);
DataStore.Write(batchId, batch);
CommitLog.Write(globalSequenceNumber);
}
}
public IEnumerable <EventData> Stream(long globalSequenceNumber = 0)
{
var lastCommittedGlobalSequenceNumber = CommitLog.Read();
return(from record in GlobalSequenceIndex.Read(lastCommittedGlobalSequenceNumber, offset: globalSequenceNumber)
select DataStore.Read(record.AggregateRootId, record.LocalSequenceNumber));
}
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 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 Dispose()
{
GlobalSequenceIndex.Dispose();
CommitLog.Dispose();
}