NHibernate映射的代碼，沒有persister爲：

Question

所以我一直在爲此掙扎了大約半天吧.. 我來eclipselink和java，對於一個項目我正在做一些代碼與NHibernate和C＃。 關於通過nhibernate上的代碼映射的不幸的文檔是我猜想的缺乏。我無法找到我得到了錯誤的任何資源..

出於測試目的，我用Northwind數據庫的工作，所以我創建了一個一流的客戶

public class Customer{ 
    public virtual string CustomerID { get; set; } 
    public virtual string CompanyName { get; set; } 
    public virtual string ContactName { get; set; } 
    public virtual string ContactTitle { get; set; } 
    public virtual string Address { get; set; } 
    public virtual string City { get; set; } 
    public virtual string Region { get; set; } 
    public virtual string PostalCode { get; set; } 
    public virtual string Country { get; set; } 
    public virtual string Phone { get; set; } 
    public virtual string Fax { get; set; } 
} 

另外一個映射類：

public class CustomerMap: ClassMapping<Customer> 
{ 
    public CustomerMap() { 
     Schema("dbo"); 
     Lazy(true); 
     Id(x => x.CustomerID, map => map.Generator(Generators.Assigned)); 
     Property(x => x.CompanyName, map => map.NotNullable(true)); 
     Property(x => x.ContactName); 
     Property(x => x.ContactTitle); 
     Property(x => x.Address); 
     Property(x => x.City); 
     Property(x => x.Region); 
     Property(x => x.PostalCode); 
     Property(x => x.Country); 
     Property(x => x.Phone); 
     Property(x => x.Fax); 
    } 
} 

但後來我得到的不留存錯誤

ModelMapper mm = new ModelMapper(); 
mm.AddMapping<CustomerMap>(); 
HbmMapping hbmm = mm.CompileMappingForAllExplicitlyAddedEntities(); 
XmlSerializer xml = new XmlSerializer(hbmm.GetType()); 
xml.Serialize(Console.Out, hbmm); 

這是TH的XML上述E碼生成

<?xml version="1.0" encoding="Windows-1252"?> 
<hibernate-mapping xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" namespace="NHibernate.Classes.Domain" assembly="NHibernate, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" xmlns="urn:nhibernate-mapping-2.2"> 
     <class name="Customer" schema="dbo"> 
     <id name="CustomerID" type="String"> 
      <generator class="assigned" /> 
     </id> 
     <property name="CompanyName" not-null="true" /> 
     <property name="ContactName" /> 
     <property name="ContactTitle" /> 
     <property name="Address" /> 
     <property name="City" /> 
     <property name="Region" /> 
     <property name="PostalCode" /> 
     <property name="Country" /> 
     <property name="Phone" /> 
     <property name="Fax" /> 
     </class> 
    </hibernate-mapping> 

由於我與地圖通過代碼的東西的工作，我不想創建這個XML自己，所以我不知道什麼我可能是做錯了。我搜遍了谷歌。

Answer 1

這裏是我的電話，其中_mapper是ModelMapper映射實體

_mapper.AddMappings(MappingAssembly.GetExportedTypes()); 
      Configure.AddDeserializedMapping(_mapper.CompileMappingForAllExplicitlyAddedEntities(), "MyWholeDomain"); 

。我還明確地添加了一個配置設置來告訴應用程序我的映射在哪裏。所以，我加載該程序集，然後調用GetExportedTypes（）

這裏是我的整個NhibernateInitializer類

public abstract class NHibernateInitializer : IDomainMapper 
{ 
    protected Configuration Configure; 
    private ISessionFactory _sessionFactory; 
    private readonly ModelMapper _mapper = new ModelMapper(); 
    private Assembly _mappingAssembly; 
    private readonly String _mappingAssemblyName; 
    private readonly String _connectionString; 

    protected NHibernateInitializer(String connectionString, String mappingAssemblyName) 
    { 
     if (String.IsNullOrWhiteSpace(connectionString)) 
      throw new ArgumentNullException("connectionString", "connectionString is empty."); 

     if (String.IsNullOrWhiteSpace(mappingAssemblyName)) 
      throw new ArgumentNullException("mappingAssemblyName", "mappingAssemblyName is empty."); 

     _mappingAssemblyName = mappingAssemblyName; 
     _connectionString = connectionString; 
    } 

    public ISessionFactory SessionFactory 
    { 
     get 
     { 
      return _sessionFactory ?? (_sessionFactory = Configure.BuildSessionFactory()); 
     } 
    } 

    private Assembly MappingAssembly 
    { 
     get 
     { 
      return _mappingAssembly ?? (_mappingAssembly = Assembly.Load(_mappingAssemblyName)); 
     } 
    } 

    public void Initialize() 
    { 
     Configure = new Configuration(); 
     Configure.EventListeners.PreInsertEventListeners = new IPreInsertEventListener[] { new EventListener() }; 
     Configure.EventListeners.PreUpdateEventListeners = new IPreUpdateEventListener[] { new EventListener() }; 
     Configure.SessionFactoryName(System.Configuration.ConfigurationManager.AppSettings["SessionFactoryName"]); 
     Configure.DataBaseIntegration(db => 
             { 
              db.Dialect<MsSql2008Dialect>(); 
              db.Driver<SqlClientDriver>(); 
              db.KeywordsAutoImport = Hbm2DDLKeyWords.AutoQuote; 
              db.IsolationLevel = IsolationLevel.ReadCommitted; 
              db.ConnectionString = _connectionString; 
              db.BatchSize = 20; 
              db.Timeout = 10; 
              db.HqlToSqlSubstitutions = "true 1, false 0, yes 'Y', no 'N'"; 
             }); 
     Configure.SessionFactory().GenerateStatistics(); 

     Map(); 
    } 

    private void Map() 
    { 
     _mapper.AddMappings(MappingAssembly.GetExportedTypes()); 
     Configure.AddDeserializedMapping(_mapper.CompileMappingForAllExplicitlyAddedEntities(), "MyWholeDomain"); 
    } 

    public HbmMapping HbmMapping 
    { 
     get { return _mapper.CompileMappingFor(MappingAssembly.GetExportedTypes()); } 
    } 

    public IList<HbmMapping> HbmMappings 
    { 
     get { return _mapper.CompileMappingForEach(MappingAssembly.GetExportedTypes()).ToList(); } 
    } 

    /// <summary> 
    /// Gets the domain entities. 
    /// </summary> 
    /// <returns></returns> 
    /// <remarks>by default anything that derives from EntityBase and isn't abstract or generic</remarks> 
    protected virtual IEnumerable<System.Type> GetDomainEntities() 
    { 
     List<System.Type> domainEntities = (from t in MappingAssembly.GetExportedTypes() 
              where typeof(EntityBase<Guid>).IsAssignableFrom(t) 
              && (!t.IsGenericType || !t.IsAbstract) 
              select t 
              ).ToList(); 

     return domainEntities; 
    } 
}