我有以下表格场景:
User
- Id (PK)
- Username
Advert
- Id (PK)
- Title
AdvertPhoto
- Advert (PK) (Also a FK for Advert table)
- Image
Bid
- Advert (PK) (Also a FK for Advert table)
- User (PK) (Also a FK for User table)
- Value
好的,我正在尝试使用以下代码映射这些实体:
public class AdvertMapping : BaseMapping<Advert> {
public AdvertMapping() : base("Advert") {
Id(model => model.Id).Not.Nullable().Unique().GeneratedBy.Identity();
Map(model => model.Title).Not.Nullable().Length(100).Insert().Update();
}
}
public class AdvertPhotoMapping : BaseMapping<Advert> {
public AdvertPhotoMapping() : base("AdvertPhoto") {
Id(model => model.Advert)
.Column("Id")
.GeneratedBy.Foreign("Advert");
Map(model => model.Description).Nullable();
Map(model => model.Photo).CustomSqlType("image").Not.Nullable();
References(model => model.Advert, "Advert").Not.Nullable().Not.LazyLoad();
}
}
public class BidMapping { //: BaseMapping<Bid> {
public BidMapping() : base("Bid") {
Id(model => model.Advert, "Advert").GeneratedBy.Foreign("Advert");
CompositeId()
.KeyReference(model => model.Advert, "Advert")
.KeyReference(model => model.User, "User");
Map(model => model.Value).Not.Nullable().Insert().Update();
References(model => model.Advert, "Advert").Not.Nullable().Not.LazyLoad();
}
}
AdvertPhotoMapping
好的,当 Fluent NHibernate 尝试引用类中的 Advert 列并且我不知道BidMapping
CompositeId 是否正确映射时,我遇到了一个异常。
我得到的例外是:
{"Could not determine type for: SYB.Engine.Entities.Advert, SYB.Engine, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null, for columns: NHibernate.Mapping.Column(Advert)"}
我究竟做错了什么?谢谢大家!