Strategies for Mapping Views in NHibernate
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by Nathan Fisher
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Published on 2010-06-03T02:44:47Z
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2010/06/03
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It seems that NHibernate needs to have an id tag specified as part of the mapping. This presents a problem for views as most of the time (in my experience) a view will not have an Id. I have mapped views before in nhibernate, but they way I did it seemed to be be messy to me.
Here is a contrived example of how I am doing it currently.
Mapping
<class name="ProductView" table="viewProduct" mutable="false" >
<id name="Id" type="Guid">
<generator class="guid.comb" />
</id>
<property name="Name" />
<!-- more properties -->
</class>
View SQL
Select NewID() as Id, ProductName as Name, --More columns
From Product
Class
public class ProductView
{
public virtual Id {get; set;}
public virtual Name {get; set;}
}
I don't need an Id for the product or in the case of some views I may not have an id for the view, depending on if I have control over the View
Is there a better way of mapping views to objects in nhibernate?
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