具有子类关系的Fluent NHibernate自动映射继承

具有子类关系的Fluent NHibernate自动映射继承,nhibernate,inheritance,relationship,fluent,automapping,Nhibernate,Inheritance,Relationship,Fluent,Automapping,我在使用Fluent NHibernate自动映射继承时遇到问题。下面是我的实体设置(为简单起见缩写)。我已将Fluent NHibernate配置为使用鉴别器列为层次结构创建1个类。自动映射似乎工作正常,就像我生成数据库时一样,创建了一个名为“AddressBase”的表,其中包含一个鉴别器列,指示每行的地址类型 问题在于,当我在UserAccount类上调用方法“GetPrimaryBillingAddress()”时,NHibernate正在创建一个查询,该查询同时查看帐单地址和发货地址,

我在使用Fluent NHibernate自动映射继承时遇到问题。下面是我的实体设置(为简单起见缩写)。我已将Fluent NHibernate配置为使用鉴别器列为层次结构创建1个类。自动映射似乎工作正常,就像我生成数据库时一样,创建了一个名为“AddressBase”的表,其中包含一个鉴别器列,指示每行的地址类型

问题在于,当我在UserAccount类上调用方法“GetPrimaryBillingAddress()”时,NHibernate正在创建一个查询,该查询同时查看帐单地址和发货地址,而不仅仅是查询帐单地址。它根本不考虑鉴别器。我假设有某种配置我可以设置,但没有找到任何东西

public abstract class AddressBase : ActiveRecord<AddressBase>
{
    public virtual long Id { get; set; }

    public virtual string Address1 { get; set; }

}

public class AddressBilling : AddressBase
{
    public class TypedQuery : ActiveRecordQuery<AddressBilling> { }

    public virtual bool IsPrimary { get; set; }
}

public class AddressShipping : AddressBase
{
    public class TypedQuery : ActiveRecordQuery<AddressShipping> { }

    [Display(Name = "Is Primary")]
    public virtual bool IsPrimary { get; set; }

}

public class UserAccount : ActiveRecord<UserAccount>
{
    public virtual long Id { get; set; }

    public virtual IList<AddressBilling> BillingAddresses { get; set; }
    public virtual IList<AddressShipping> ShippingAddresses { get; set; }

    public UserAccount()
    {
        BillingAddresses = new List<AddressBilling>();
        ShippingAddresses = new List<AddressShipping>();
    }

    public virtual AddressBilling GetPrimaryBillingAddress()
    {
        if (BillingAddresses.Any(x => x.IsPrimary))
        {
            return BillingAddresses.Single(x => x.IsPrimary);
        }

        return BillingAddresses.FirstOrDefault();
    }

    public virtual AddressShipping GetPrimaryShippingAddress()
    {
        if (ShippingAddresses.Any(x => x.IsPrimary)) {
            return ShippingAddresses.Single(x => x.IsPrimary);            
        }

        return ShippingAddresses.FirstOrDefault();
    }

}
公共抽象类AddressBase:ActiveRecord
{
公共虚拟长Id{get;set;}
公共虚拟字符串地址1{get;set;}
}
公共类AddressBilling:AddressBase
{
公共类TypedQuery:ActiveRecordQuery{}
公共虚拟bool IsPrimary{get;set;}
}
公共类AddressShipping:AddressBase
{
公共类TypedQuery:ActiveRecordQuery{}
[显示(Name=“Is Primary”)]
公共虚拟bool IsPrimary{get;set;}
}
公共类用户帐户:ActiveRecord
{
公共虚拟长Id{get;set;}
公共虚拟IList计费地址{get;set;}
公共虚拟IList ShippingAddresses{get;set;}
公共用户帐户()
{
BillingAddresses=新列表();
ShippingAddresses=新列表();
}
公共虚拟地址计费GetPrimaryBillingAddress()
{
if(账单地址任意(x=>x.IsPrimary))
{
返回BillingAddresss.Single(x=>x.IsPrimary);
}
返回BillingAddresss.FirstOrDefault();
}
公共虚拟地址Shipping GetPrimaryShippingAddress()
{
if(发货地址任意(x=>x.IsPrimary)){
返回ShippingAddresses.Single(x=>x.IsPrimary);
}
返回ShippingAddresses.FirstOrDefault();
}
}
更新: 以下是自动映射中使用的映射覆盖函数:

private static FluentConfiguration GetFluentConfiguration(string connectionStringName = "CS")
{
        var autoMapping = AutoMap
            .AssemblyOf<Product>(new Mapping.AutoMappingConfiguration())
            .Conventions.Setup(c =>
            {
                c.Add<Mapping.ForeignKeyConvention>();
                c.Add<Mapping.DiscriminatorConvention>();
            })
            .IgnoreBase<AddressBilling.TypedQuery>()
            .IgnoreBase<AddressShipping.TypedQuery>()
            .IncludeBase<AddressBase>();

        return Fluently.Configure()
            .Database(MsSqlConfiguration.MsSql2005.ConnectionString(c => c.FromConnectionStringWithKey(connectionStringName)))
            .Mappings(m => m.AutoMappings.Add(autoMapping));
}

public class AutoMappingConfiguration : DefaultAutomappingConfiguration
{
    public override bool ShouldMap(Type type)
    {
        var isStatic = type.IsAbstract && type.IsSealed;

        return type.Namespace == typeof(Entities.Product).Namespace && !isStatic;
    }

    public override bool IsDiscriminated(Type type)
    {

        if (type == (typeof(Entities.AddressBase))) {
            return true;
        }

        return false;
    }

    public override string GetDiscriminatorColumn(Type type)
    {
        return "Type";
    }

public class DiscriminatorConvention : ISubclassConvention
{
    public void Apply(ISubclassInstance instance)
    {
        //Address 
        if (instance.Name == typeof(AddressBilling).AssemblyQualifiedName)
        {
            instance.DiscriminatorValue(Enums.AddressType.BillingAddress);
        } 
        else if (instance.Name == typeof(AddressShipping).AssemblyQualifiedName)
        {
            instance.DiscriminatorValue(Enums.AddressType.ShippingAddress);
        }
    }
}
private static FluentConfiguration GetFluentConfiguration(string connectionStringName=“CS”)
{
var自动映射=自动映射
.AssemblyOf(新映射.AutoMappingConfiguration())
.Conventions.Setup(c=>
{
c、 添加();
c、 添加();
})
.IgnoreBase()
.IgnoreBase()
.IncludeBase();
流畅地返回。Configure()
.Database(MsSqlConfiguration.MsSql2005.ConnectionString(c=>c.FromConnectionStringWithKey(connectionStringName)))
.Mappings(m=>m.AutoMappings.Add(autoMapping));
}
公共类自动映射配置:默认自动映射配置
{
公共覆盖布尔ShouldMap(类型)
{
var isStatic=type.isastract&&type.IsSealed;
返回type.Namespace==typeof(Entities.Product).Namespace&&!isStatic;
}
公共覆盖布尔值已区分(类型)
{
if(type==(typeof(Entities.AddressBase))){
返回true;
}
返回false;
}
公共重写字符串GetDiscriminatorColumn(类型)
{
返回“类型”;
}
公共类鉴别器约定:ISubclassConvention
{
public void Apply(ISubclassInstance实例)
{
//地址
if(instance.Name==typeof(AddressBilling.AssemblyQualifiedName)
{
DiscriminatorValue(Enums.AddressType.BillingAddress);
} 
else if(instance.Name==typeof(AddressShipping.AssemblyQualifiedName)
{
DiscriminatorValue(Enums.AddressType.ShippingAddress);
}
}
}

谢谢!

请尝试如下更改您的类用户帐户:

public class UserAccount : ActiveRecord<UserAccount>
{
    public virtual IList<AddressBase> Addresses { get; set; }
    public virtual IList<AddressBilling> BillingAddresses { get {return this.Addresses.OfType<AddressBilling>();} }
    public virtual IList<AddressShipping> ShippingAddresses { get {return this.Addresses.OfType<AddressShipping>();} }
    // ...
}
公共类用户帐户:ActiveRecord
{
公共虚拟IList地址{get;set;}
公共虚拟IList BillingAddresses{get{返回this.Addresses.OfType();}
公共虚拟IList ShippingAddresses{get{返回this.Addresses.OfType();}
// ...
}

当然,这里应该只映射Addresses属性。

如何映射用户帐户的属性BillingAddresses和ShippingAddresses?是否有一些映射覆盖?更新后的帖子包括映射覆盖。