private void InternalRollbackTransaction()
{
if (transactionLevel > 0)
{
// Remove opened streams created during transaction
lock (openedStreams)
{
foreach (Guid streamId in streamsCreatedDuringTransaction)
{
WeakReference <StorageStream> reference;
if (openedStreams.TryGetValue(streamId, out reference))
{
StorageStream tmpStream;
if (reference.TryGetTarget(out tmpStream))
{
if (tmpStream != null)
{
tmpStream.InternalClose();
}
}
openedStreams.Remove(streamId);
}
}
streamsCreatedDuringTransaction.Clear();
// Rollback data
transactionStream.RollbackTransaction();
MasterStream.RollbackTransaction();
streamsChangedDuringTransaction.Clear();
// Rollback changes in stream table
streamTableStream.ReloadSegmentsOnRollback(streamTableStreamMetadata);
streamTable.RollbackTransaction();
// Reload segments in system and opened streams because segments has changed
foreach (var item in openedStreams.Values.ToList())
{
StorageStream tmpStream;
if (item.TryGetTarget(out tmpStream))
{
if (streamTable.Contains(tmpStream.StreamId))
{
StorageStreamMetadata tmpStreamMetadata = streamTable.Get(tmpStream.StreamId);
tmpStream.ReloadSegmentsOnRollback(tmpStreamMetadata);
}
else
{
tmpStream.InternalClose();
}
}
}
// Reload empty space segments
var freeSpaceStreamMetadata = streamTable.Get(SystemStreamId.EmptySpace);
FreeSpaceStream.ReloadSegmentsOnRollback(freeSpaceStreamMetadata);
}
}
}
