流畅的NHibernate:如何告诉它不要映射基类

Question

在过去的两个小时里,我一直在谷歌搜索和堆栈溢出,无法找到我的问题的答案:

我正在使用ASP.NET MVC和NHibernate,我所要做的就是手动映射我的实体而不映射它的基类.我使用以下约定:

public class Car : EntityBase
{
    public virtual User User { get; set; }
    public virtual string PlateNumber { get; set; }
    public virtual string Make { get; set; }
    public virtual string Model { get; set; }
    public virtual int Year { get; set; }
    public virtual string Color { get; set; }
    public virtual string Insurer { get; set; }
    public virtual string PolicyHolder { get; set; }
}

EntityBase不应该映射的地方.

我的NHibernate助手类看起来像这样:

namespace Models.Repository
{
    public class NHibernateHelper
    {
        private static string connectionString;
        private static ISessionFactory sessionFactory;
        private static FluentConfiguration config;

        /// <summary>
        /// Gets a Session for NHibernate.
        /// </summary>
        /// <value>The session factory.</value>
        private static ISessionFactory SessionFactory
        {
            get
            {
                if (sessionFactory == null)
                {
                    // Get the connection string
                    connectionString = ConfigurationManager.ConnectionStrings["connectionString"].ConnectionString;
                    // Build the configuration
                    config = Fluently.Configure().Database(PostgreSQLConfiguration.PostgreSQL82.ConnectionString(connectionString));
                    // Add the mappings
                    config.Mappings(AddMappings);
                    // Build the session factory
                    sessionFactory = config.BuildSessionFactory();
                }
                return sessionFactory;
            }
        }

        /// <summary>
        /// Add the mappings.
        /// </summary>
        /// <param name="mapConfig">The map config.</param>
        private static void AddMappings(MappingConfiguration mapConfig)
        {
            // Load the assembly where the entities live
            Assembly assembly = Assembly.Load("myProject");
            mapConfig.FluentMappings.AddFromAssembly(assembly);
            // Ignore base types
            var autoMap = AutoMap.Assembly(assembly).IgnoreBase<EntityBase>().IgnoreBase<EntityBaseValidation>();
            mapConfig.AutoMappings.Add(autoMap);
            // Merge the mappings
            mapConfig.MergeMappings();
        }

        /// <summary>
        /// Opens a session creating a DB connection using the SessionFactory.
        /// </summary>
        /// <returns></returns>
        public static ISession OpenSession()
        {
            return SessionFactory.OpenSession();
        }

        /// <summary>
        /// Closes the NHibernate session.
        /// </summary>
        public static void CloseSession()
        {
            SessionFactory.Close();
        }
    }
}

我现在得到的错误是:

System.ArgumentException:类型或方法有2个通用参数,但提供了1个通用参数.必须为每个通用参数提供通用参数

当我尝试添加映射时会发生这种情况.有没有其他方法可以手动映射您的实体并告诉NHibernate不要映射基类？

Answer 1

IncludeBase<T>

AutoMap.AssemblyOf<Entity>()
  .IgnoreBase<Entity>()
  .Where(t => t.Namespace == "Entities");

在这里阅读更多http://wiki.fluentnhibernate.org/Auto_mapping :)