5
我有一个下面的类:NHibernate的属性式滤波器
MyClass
public virtual int Id { get; set; }
public virtual int Code { get; set; }
public virtual int Description { get; set; }
public virtual int Name { get; set; }
具有以下映射:
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="TestApplication" assembly="TestApplication">
<class name="MyClass" table="MyTable">
<id name="Id" column="id">
<generator class="native"/>
</id>
<property name="Code" column="code"/>
<property name="Description" column="description"/>
<property name="Name" formula="(SELECT b.translation FROM translations b WHERE b.translation_id = translation_id AND b.language_id = :TranslationFilter.LanguageId)"/>
</class>
<filter-def name="TranslationFilter">
<filter-param name="LanguageId" type="Int32"/>
</filter-def>
</hibernate-mapping>
我试图通过弹簧与加载实体:
Session.EnableFilter("TranslationFilter").SetParameter("LanguageId", 1);
return Session.Get<MyClass>(1);
但我得到adoexception。我看到(在探查器中)该变量:TranslationFilter.LanguageId不被替换为?并且该参数值不发送到服务器?
这是可能的(在公式中有过滤器)以及如何?
非常感谢!
这应该是可能的,奥伦在他的博客举例说明:http:// ayende。 com/Blog/archive/2006/12/26/LocalizingNHibernateContextualParameters.aspx – 2009-05-20 13:59:10