这一篇讲的是如何插入/删除简单对象--一对一关系或者简单的一个对象。
首先,我们来看看SignOn的NHibernate描述:
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在这里我们看到了,这个对象对应的命名空间的PetShop.BLL.SignOn对象,对应的数据库表是SignOn。他拥有4个属性:UserID Password Account信息 Profile信息
其中Userid对应了数据库表的用户名,20个字符型,属于赋值型的
Password是一个不为空的20长度的字符型属性
Profile是一个1:1的属性,类名:PetShop.BLL.Profile
Account是一个1:1的属性,类名:PetShop.BLL.Account
他们指定了当作新增/修改的时候提示NHibernate进行级联操作。
接着,我们来看看SignOn对象的DataAccess接口
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在这里,我们可以很清楚地看到SignOn对象所具备的行为规范:SignOn Insert Update Delete
接着,我们来看看SignOn实体类
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在这里,我们可以看到当一个SignOn对象作新增操作的时候
他通过对象工厂去获取一个SignOnDAO的实例,并且以接口的形式返回,然后执行更新的操作。其实,我个人偏向,还是应该增加一个外观层,让SignOnDAO只是一个实体类。
哦,忘了补充SingONDAO对象了。
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