0
我使用VS2010,NHibernate 3.1.0.4000
和fluent Nhibernate 1.2.0.712.
多层次
我的程序包含以下的类层次:
public abstract class Stop
{
}
public abstract class WorkStop : Stop
{
}
public class PatientStop : WorkStop
{
}
public class DoctorStop : WorkStop
{
}
public class HubStop : Stop
{
}
我mappping倍率如下:
public class StopMappingOverride : IAutoMappingOverride<Stop>
{
public void Override(AutoMapping<Stop> mapping)
{
mapping.DiscriminateSubClassesOnColumn("StopType");
mapping.SubClass<HubStop>("HubStop");
mapping.SubClass<WorkStop>("WorkStop").Abstract();
mapping.References(x => x.Planning).Cascade.None();
}
}
public class WorkStopMappingOverride : IAutoMappingOverride<WorkStop>
{
public void Override(AutoMapping<WorkStop> mapping)
{
//mapping.Table("Stop");
mapping.DiscriminateSubClassesOnColumn("StopType");
mapping.SubClass<DoctorStop>("DoctorStop");
mapping.SubClass<PatientStop>("PatientStop");
mapping.HasMany(d => d.Tasks).KeyColumn("StopId")
.AsSet()
.Access.CamelCaseField(Prefix.Underscore);
mapping.References(x => x.Doctor).Cascade.None();
}
}
public class DoctorStopMappingOverride : IAutoMappingOverride<DoctorStop>
{
public void Override(AutoMapping<DoctorStop> mapping)
{
mapping.References(x => x.Practice).Cascade.None();
mapping.HasMany(d => d.Protocols).KeyColumn("StopId")
.AsSet()
.Access.CamelCaseField(Prefix.Underscore);
mapping.HasMany(d => d.Materials).KeyColumn("StopId")
.AsSet()
.Access.CamelCaseField(Prefix.Underscore);
}
}
public class PatientStopMappingOverride : IAutoMappingOverride<PatientStop>
{
public void Override(AutoMapping<PatientStop> mapping)
{
mapping.References(x => x.Patient).Cascade.None();
}
}
public class HubStopMappingOverride : IAutoMappingOverride<HubStop>
{
public void Override(AutoMapping<HubStop> mapping)
{
}
}
以上用于在以前的项目中工作。除了工作台的额外抽象层次外,这是新的。 但是,然后hubstop应仍然工作,我会在下面说明。
如果是使用映射覆盖的是,我得到的错误: System.Data.SqlClient.SqlException : Invalid object name 'WORKSTOP'
,所以我想,如果我指定表名什么,是因为WorkStop鉴别填充在映射覆盖的正确和医生和patientstops可以坚持。
但后来我得到的错误: System.Data.SqlClient.SqlException : Invalid object name 'HUBSTOP'
所以我再次使用的表名,但现在我得到以下错误: Cannot insert the value NULL into column 'StopType'
为什么没有在第一表鉴别工作地方,在停止映射覆盖?