protected virtual void Dispose(bool disposing)
        {
            if (_disposed)
            {
                return;
            }

            if (disposing)
            {
                if (db != null)
                {
                    db.Dispose();
                    db = null;
                }
            }
            _disposed = true;
        }
 public EfSequenceRepository(DbContextOptions options)
 {
     db = new TraficContext(options);
 }