NHibernate：通用方法中的QueryOver

Question

我有这个测试方法，我对“List”方法有问题。我想使用几个类（所有实现IAdminDecimal）。在QueryOver，我有这样的错误： 类型“T”必须是为了用它作为参数“T”在通用类型或方法“NHibernate.ISession.QueryOver（）”

引用类型

using (var session = sessions.OpenSession()) 
{ 
    using (var tx = session.BeginTransaction()) 
    { 
     CurrentSessionContext.Bind(session); 

     AdministrationService service = new AdministrationService(session); 
     service.List<AdminDelay>(); 

     tx.Commit(); 
    } 
} 

类：

public class AdministrationService 
{ 
    private readonly ISession _session; 

    public AdministrationService(ISession session) 
    { 
     _session = session; 
    } 

    public IList<T> List<T>() where T : IAdminDecimal 
    { 
     var res = _session.QueryOver<T>().List<T>(); 
     return res; 
    } 
} 


public interface IAdminDecimal 
{ 
    int Id { get; set; } 
    int Code { get; set; } 
    decimal Value { get; set; } 
    bool IsDeleted { get; set; } 
} 

public class AdminVAT : IAdminDecimal 
{ 
    public virtual int Id { get; set; } 
    public virtual int Code { get; set; } 
    public virtual decimal Value { get; set; } 
    public virtual bool IsDeleted { get; set; } 
} 

Answer 1

尝试：

public IList<T> List<T>() where T : class, IAdminDecimal 

Answer 2

尝试看看这里：

Is it possible to do create a generic Session.QueryOver<T>?