ConfORM OneToMany级联

Question

我对Nhibernate ConfORM级联有一些问题。存在两个实体：

 public class User : BaseEntity
{        
    public User(Role role)
    {            
        this.Role = role;          
    }

    protected User()
    {
    }

    public virtual Role Role { get; protected set; }
}

和作用：

public class Role : BaseEntity
{
    public Role()
    {
        this.Users = new HashedSet<User>();
    }      
    public virtual ISet<User> Users { get; protected set; }
}

级联设置：

 var relationalMapper = new ObjectRelationalMapper();
        relationalMapper.TablePerConcreteClass(domainEntities);
        relationalMapper.Patterns.PoidStrategies.Add(new NativePoidPattern());
        relationalMapper.Cascade<User, Role>(Cascade.Persist);
        relationalMapper.Cascade<Role, User>(Cascade.Persist);

这种自动操作给出：

<class name="User" table="Users">
<id name="Id" type="Int32">
  <generator class="native" />
</id>
<many-to-one name="Role" column="RoleId" cascade="save-update, persist" />

                                            I want to delete User without delete Role. All most all tests have passed, but this one falls:

this.role = new Role();
        this.user = new User(this.role) { Login = "memoryUser", Password = "memoryPass" }.SetIdTo(0);
        role.Users.Add(user);
        this.session.SaveOrUpdate(this.user);
        repo.Delete(this.user);
        var u = repo.GetByName("memoryUser");

        u.Should().Be.Null(); 

错误消息:当我尝试删除用户时(var u= repo.GetByName("memoryUser");)。

已删除对象将通过级联删除关联中的已删除对象重新保存。

我该怎么做才能解决这个问题？

Answer 1

清除对DB的更改，提交事务？