public static ITransactionManagerFactory CreateFactory()
 {
     if (_factory == null)
     {
         _factory = _factoryByConfig ?? _factoryByRegister ?? TransactionScopeManagerFactory.Instance;
     }
     return(_factory);
 }
        static TransactionManagerFactory()
        {
            var config = DomainDrivenConfiguration.Current.RepositoryConfig;

            if (config != null)
            {
                _factoryByConfig = config.GetTransactionManagerFactory();
            }
        }
 /// <summary>
 /// 以单例的形式,注册事务管理器工厂,请保证<paramref name="factory"/>是单例的
 /// </summary>
 /// <param name="factory"></param>
 public static void RegisterFactory(ITransactionManagerFactory factory)
 {
     _factoryByRegister = factory;
 }