我收到以下错误:功能NHibernate映射帮助
无效指数3本OracleParameterCollection以计数=当我试图插入一个新列到表3
。
我的实体类是:
public class Operator
{
public Operator()
{
this.OperatorMemberships = new List<OperatorMembership>();
}
public virtual int Id { get; set; }
public virtual int OperatorMembershipId { get; set; }
public virtual int SchemeId { get; set; }
public virtual string Description { get; set; }
public virtual IList<OperatorMembership> OperatorMemberships { get; set; }
}
public class OperatorMembership
{
public virtual int Id { get; set; }
public virtual int OperatorId { get; set; } // delete
public virtual int UserRoleId { get; set; } // delete
public virtual UserRole UserRole { get; set; }
public virtual Operator Operator { get; set; }
}
我的映射是:
public OperatorMap()
{
Table("OPERATOR");
Id(x => x.Id, "OPERATOR_ID").GeneratedBy.Identity();
Map(x => x.SchemeId, "SCHEME_ID");
Map(x => x.Description, "DESCRIPTION");
//HasMany(x => x.OperatorMemberships).Inverse().AsBag().Cascade.AllDeleteOrphan();
HasMany(x => x.OperatorMemberships).Inverse().AsBag();
//References(x => x.SchemeServices, "OPERATOR_ID");
}
}
public class OperatorMembershipMap : ClassMap<OperatorMembership>
{
public OperatorMembershipMap()
{
Table("USER_OPERATOR_MEMBERSHIP");
Id(x => x.Id, "USER_OPERATOR_MEMBERSHIP_ID").GeneratedBy.Identity();
Map(x => x.OperatorId, "OPERATOR_ID");
Map(x => x.UserRoleId, "USER_ROLE_ID");
References(x => x.Operator).Column("OPERATOR_ID"); ;
References(x => x.UserRole).Column("USER_ROLE_ID");
}
}
代码插入新行:
public int AddOperatorMembership(int operatorId, int userRoleId)
{
OperatorMembership op = new OperatorMembership();
op.OperatorId = operatorId;
op.UserRoleId = userRoleId;
_provider.AddEntity(op);
return op.Id;
}
和我的数据库表:
USER_OPERATOR_MEMBERSHIP_ID -- OPERATOR_ID -- USER_ROLE_ID
任何帮助都很好,我确信有一些非常聪明流利的nhibernate开发人员可以马上发现错误。
非常感谢。
Randolf。
如果删除的属性,然后我不能与我的代码访问它们用于与这些值的更新:op.OperatorId = operatorId; op.UserRoleId = userRoleId; – 2011-05-27 13:33:36
好的,但是你会在你的问题中出现错误。 – mathieu 2011-05-27 14:54:45
你可以使用op.Operator = session.Load(operatorId) – mathieu 2011-05-27 14:56:14