Rafy 框架：领域控制器

/// <summary>
/// 帐户插件的领域控制器。
/// </summary>
public class AccountController : DomainController
{
	/// <summary>
	/// 注册指定的用户。
	/// </summary>
	/// <param name="user"></param>
	/// <returns></returns>
	[ControllerLogic]
	public virtual Result Register(User user)
	{
		if (user == null) throw new ArgumentNullException("user");
		var userNameAsId = _identityMode.HasFlag(UserIdentityMode.UserName);
		if (userNameAsId && string.IsNullOrEmpty(user.UserName)) return new Result(ResultCodes.RegisterUserNameInvalid, "用户名不能为空。");
		var emailAsId = _identityMode.HasFlag(UserIdentityMode.Email);
		if (emailAsId && !TextFormatter.ReEmail.IsMatch(user.Email)) return new Result(ResultCodes.RegisterEmailInvalid, "邮箱格式不正确。");
		if (!userNameAsId && !emailAsId) throw new InvalidProgramException("!userNameAsId && !useEmailAsId");

		//验证其它属性。
		var brokenRules = Validator.Validate(user);
		if (brokenRules.Count > 0) return new Result(ResultCodes.RegisterPropertiesInvalid, brokenRules.ToString());

		//检查用户名、邮箱的重复性。
		var repo = RF.ResolveInstance<UserRepository>();
		var criteria = new CommonQueryCriteria();
		criteria.Concat = BinaryOperator.Or;
		if (userNameAsId)
		{
			criteria.Add(new PropertyMatch(User.UserNameProperty, user.UserName));
		}
		if (emailAsId)
		{
			criteria.Add(new PropertyMatch(User.EmailProperty, user.Email));
		}
		var exists = repo.GetFirstBy(criteria);
		if (exists != null)
		{
			if (emailAsId && exists.Email == user.Email)
			{
				return new Result(ResultCodes.RegisterEmailDuplicated, string.Format("注册失败，已经存在邮箱为：{0} 的用户。", user.Email));
			}
			else
			{
				return new Result(ResultCodes.RegisterUserNameDuplicated, string.Format("注册失败，已经存在用户名为：{0} 的用户。", user.UserName));
			}
		}

		//保存这个用户
		user.PersistenceStatus = PersistenceStatus.New;
		repo.Save(user);

		this.OnRegisterSuccessed(user);

		return true;
	}

	/// <summary>
	/// 注册成功的事件。
	/// </summary>
	public event EventHandler<AccountEventArgs> RegisterSuccessed;

	/// <summary>
	/// 注册成功的事件。
	/// </summary>
	/// <param name="user"></param>
	protected virtual void OnRegisterSuccessed(User user)
	{
		var handler = this.RegisterSuccessed;
		if (handler != null) handler(this, new AccountEventArgs(user));
	}
}

var controller = DomainControllerFactory.Create<AccountController>();

var res = controller.Register(new User
{
    UserName = "hqf",
    RealName = "hqf",
    Password = controller.EncodePassword("hqf")
});

//业务插件一：库存模块
public class StockController : DomainController
{
    public event EventHandler StockChanged;

    protected virtual void OnStockChanged()
    {
        var handler = this.StockChanged;
        if (handler != null) handler(this, EventArgs.Empty);
    }
}

//业务插件二：入库管理插件
public class RecieveController : DomainController
{
    static RecieveController()
    {
        Depend<RecieveController>().On<StockController>();
    }

    protected override void OnAlwaysDependon(DomainController controller)
    {
        var sc = controller as StockController;
        if (sc != null)
        {
            sc.StockChanged += OnStockChanged;
        }
    }

    private void OnStockChanged(object sender, EventArgs e)
    {
        //根据库存变化信息，来实现特定功能
    }
}