【发布时间】:2011-10-13 13:40:19
【问题描述】:
我有 2 个相互引用的类。我们的 CRM 需要这种奇怪的情况。
我有一个组织和 EmAddress 表和类。组织继承自订阅者,订阅者也有一个表。我认为这可能是我的问题,或者我无法在这些上设置 Inverse 因为没有“HasMany”...
插入/更新的顺序是.. 插入电子邮件 插入组织 更新电子邮件以设置 Email.Subscriber
Email.Subscriber 必须是“NOT NULL”,所以这不起作用。如何更改顺序,我不能使用 Inverse,因为没有列表。只有 2 个参考。
public class Organization : Subscriber
{
public override string Class { get { return "Organization"; } }
EmAddress PrimaryEmailAddress {get;set;}
}
public class OrganizationMap : SubclassMap<Organization>
{
public OrganizationMap()
{
Table("Organization");
KeyColumn("Organization");
References(x => x.PrimaryEmail,"PrimaryEmailAddress").Cascade.SaveUpdate();
}
}
public EmAddressMap()
{
Id(x => x.Id, "EmAddress");
Map(x => x.EmailAddress, "eMailAddress");
References<Subscriber>(x => x.Subscriber,"Subscriber").LazyLoad().Fetch.Select().Not.Nullable();
/*not.nullable() throw s error. NHibernate INSERTS email, INSERTS org, UPDATES email. */
}
public class EmAddress
{
public virtual Guid Id { get; set; }
public virtual string EmailAddress { get; set; }
public virtual Subscriber Subscriber { get; set; }
}
//Implementation
var session = NHIbernateHelper.GetSession();
using(var tx = session.BeginTransaction())
{
var org = new Organization();
org.PrimaryEmail = new EmAddress(){Subscriber = org};
session.Save(org);
tx.commit();
}
【问题讨论】:
标签: c# nhibernate fluent-nhibernate nhibernate-mapping