我有一个遗留数据库,我正在尝试创建一个 NHibernate DAL。我在多对多表上的映射有问题。
数据库表:
studio_Subscribers
studio_Groups
(包含订阅者的 IList)studio_Subscribers_Groups
- 带有主键的多对多表
问题是当我创建一个SubscriberGroup
实例并用订阅者填充它时,它们会保存到studio_Subscribers
表中,但不会保存到多对多表中。
我想不通怎么了?
studio_Subscribers
表映射:
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
assembly="Meridix.Studio.Common"
namespace="Meridix.Studio.Common">
<class name="SubscriberItem" table="studio_Subscribers">
<id name="StorageId" column="Id" unsaved-value="0" access="nosetter.camelcase">
<generator class="identity" />
</id>
<property name="Id" column="DomainId" not-null="true" />
<property name="Subscriber" column="Subscriber" not-null="true" length="50" />
<property name="Description" column="Description" not-null="false" length="100" />
<property name="Type" column="Type" not-null="true" length="40"
type="Meridix.Studio.Data.Repositories.EnumStringTypes.SubscriberTypeEst, Meridix.Studio.Data.Repositories" />
</class>
</hibernate-mapping>
studio_Groups
表映射:
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
assembly="Meridix.Studio.Common"
namespace="Meridix.Studio.Common">
<class name="SubscriberGroup" table="studio_Groups">
<id name="StorageId" column="Id" unsaved-value="0" access="nosetter.camelcase">
<generator class="identity" />
</id>
<property name="Id" column="DomainId" not-null="true" />
<property name="Name" column="Name" not-null="true" length="200" />
<property name="Description" column="Description" not-null="false" length="300" />
<bag name="Subscribers" table="studio_Groups_Subscribers" access="nosetter.camelcase">
<key column="GroupId"></key>
<many-to-many column="SubscriberId" class="SubscriberItem" />
</bag>
</class>
</hibernate-mapping>