public PersistCommandsHandler(IAppendBatch appendBatch)
 {
     _appendBatch = appendBatch;
     signal       = new EventWaitHandle(false, EventResetMode.AutoReset);
 }
 public PersistCommandsHandler(IAppendBatch appendBatch)
 {
     _appendBatch = appendBatch;
     signal = new EventWaitHandle(false, EventResetMode.AutoReset);
 }