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我試圖在FNH中映射下面的表/實體,並且似乎快速變得無處不在!流利的NHibernate映射 - 複合鍵

**Tables** 
Contacts 
    ID (PK - int - generated) 
    ... 

PhoneTypes 
    ID (PK - varchar - assigned) (e.g. MOBILE, FAX) 

ContactPhones 
    ContactRefId (PK - FK to Contacts) 
    PhoneTypeRefId (PK - FK to PhoneTypes) 
    ... 

(我要指出,我也使用S#ARP架構框架)

**Entities** 
public class Contact : Entity 
{ 
    (The ID property is defined in the Entity base class and is type int) 

    public virtual ICollection<ContactPhone> PhoneNumbers { get; set; } 
} 

public class PhoneType : EntityWithTypedId<string>, IHasAssignedId<string> 
{ 
    (The ID property is defined in the base class and is type string) 

    .... 
} 

public class ContactPhone : EntityWithTypedId<ContactPhoneId>, IHasAssignedId<ContactPhoneId> 
{ 
    public virtual Contact Contact { get; set; } 

    public virtual PhoneType PhoneType { get; set; } 
    .... 
} 

,我讀了它與複合IDS工作時,對複合ID分隔成不同的建議類。 hibernate composite key

public class ContactPhoneId : EntityWithTypedId<ContactPhoneId>, IHasAssignedId<ContactPhoneId> 
{ 
    public virtual Contact Contact { get; set; } 

    public virtual PhoneType PhoneType { get; set; } 
} 
...I could just make this class serializable and override 
Equals and GetHashCode myself instead of using the S#arp Arch base class. 

我已經試過了現在我完全糊塗了映射這麼多的組合。

這是我最新拍攝:

public class ContactMap : IAutoMappingOverride<Contact> 
{ 
    public void Override(AutoMapping<Contact> mapping) 
    { 
     mapping.HasMany<ContactPhone>(x => x.PhoneNumbers) 
      .KeyColumns.Add("ContactRefId") 
      .KeyColumns.Add("PhoneTypeRefId") 
      .AsSet() 
      .Inverse() 
      .Cascade.All(); 
    } 
} 


public class PhoneTypeMap : IAutoMappingOverride<PhoneType> 
{ 
    public void Override(AutoMapping<PhoneType> mapping) 
    { 
     mapping.Id(x => x.Id).Column("Id").GeneratedBy.Assigned(); 
    } 
} 


public class ContactPhoneMap : IAutoMappingOverride<ContactPhone> 
{ 
    public void Override(AutoMapping<ContactPhone> mapping) 
    { 
     mapping.Table("ContactPhones"); 
     mapping.CompositeId<ContactPhoneId>(x => x.Id) 
      .KeyReference(y => y.Contact, "ContactRefId") 
      .KeyReference(y => y.PhoneType, "PhoneTypeRefId"); 
    } 
} 

我已經試圖生成的映射,其中最近的是當拋出許多例外:

Foreign key (FK672D91AE7F050F12:ContactPhones [ContactRefId, PhoneTypeRefId])) 
must have same number of columns as the referenced primary key (Contacts [Id]) 

有誰看到任何明顯的是,我做錯了?我是NH和FNH的新手,從這篇文章可能會很明顯。 :-)另外,有沒有人在使用S#arp Architecture時使用過這樣的Composite Ids?什麼是最佳實踐(除了使用代理鍵:-))?

非常感謝......並對這篇長文章感到抱歉。

回答

0

我也有多對多的關係。我有我的設置是這樣的:

mapping.HasManyToMany(x => x.Artists).Cascade.All().Inverse().Table("ArtistImages");

的ArtistImages表對錶藝術家和圖像的主鍵。