Nhibernate 映射 FluentApi Mapping by Code

Nhibernate 映射 FluentApi Mapping by Code

代码

//实体类
public class User
{
public virtual long Id { get; set; }

public virtual string Name { get; set; }

public virtual IList<Article> Articles { get; set; }
}

public class UserProfile
{
public virtual long Id { get; set; }

public virtual Gender Gender { get; set; }

public virtual DateTime? Birthday { get; set; }

public virtual string Email { get; set; }
}

public class Article
{
public virtual long Id { get; set; }

public virtual string Content { get; set; }

public virtual User User { get; set; }
}

//ORM映射
public class UserMapping : ClassMapping<User>
{
public UserMapping()
{
//对应的数据库表名
Table("User");
//定义读写属性
Cache(map => map.Usage(CacheUsage.ReadWrite));
//定义主键是自增的
Id(t => t.Id, map => map.Generator(Generators.Native));
//普通属性
Property(t => t.Name);
//定义一对一映射
OneToOne(t => t.UserProfile, map => map.Cascade(Cascade.All));
//映射的文章列表 删除User时会级联删除对应的文章
Bag(t => t.Articles , map => { map.Key(k => k.Column("ArticleId")); map.Inverse(true); map.Cascade(Cascade.Remove); }, rel => rel.OneToMany());
}
}

public UserProfileMapping()
{
Table("UserProfile");
Cache(map => map.Usage(CacheUsage.ReadWrite));
Id(t => t.Id, map => map.Generator(Generators.Foreign<UserProfile>(p => p.User)));
Property(t => t.Birthday);
Property(t => t.Email);
OneToOne(t => t.User, map => map.Constrained(true));
}

public class ArticleMapping : ClassMapping<Article>
{
public ArticleMapping()
{
Table("Article");
Cache(map => map.Usage(CacheUsage.ReadWrite));
Id(t => t.Id, map => map.Generator(Generators.Native));
Property(t => t.Content);
//定义多对一关系 多个Article对应一个User      //对应数据库列名
ManyToOne(t => t.User, map => { map.Column("UserId"); });
}
}