You want something that is not an entity. What you want ? an entity or
something else ?

2009/8/12 Colin Bowern <[email protected]>

>
> I'd like to avoid the DTOs if possible.  Are there any examples of
> extending the AliasToBean transformer to deal with situations like
> this?
>
> On Aug 12, 6:37 pm, armin-landscheidt <[email protected]> wrote:
> > Try to use a third class:
> >
> > class FooBar{
> >     public long Id{get;set;}
> >     public string Name{get;set;}
> >     public string BarCode{get;set;}
> >
> > }
> >
> >    IList<FooBar> result = session.CreateCriteria(typeof(Foo))
> >         .CreateAlias("Bar", "Bar")
> >         .SetProjection(Projections.ProjectionList()
> >             .Add(Projections.Property("Id"), "Id")
> >             .Add(Projections.Property("Name"), "Name")
> >             .Add(Projections.Property("Bar.Code"), "BarCode"))
> >         .SetResultTransformer(Transformers.AliasToBean(typeof(FooBar)))
> >         .List<FooBar>();
> >
> > This is for creating DTOs.
> >
> >
> >
> > > If I have two classes:
> >
> > >     public class Foo
> > >     {
> > >         public virtual int Id { get; set; }
> > >         public virtual string Name { get; set; }
> > >         public virtual Bar Bar { get; set; }
> > >     }
> >
> > >     public class Bar
> > >     {
> > >         public virtual int Id { get; set; }
> > >         public virtual string Code { get; set; }
> > >         public virtual string Name { get; set; }
> > >     }
> >
> > > And I want to only return Foo.Id, Foo.Name and Bar.Code (ignoring
> > > Bar.Id and Bar.Name) I was thinking that projections would be the way
> > > to go:
> >
> > >     IList<Foo> result = session.CreateCriteria(typeof(Foo))
> > >         .CreateAlias("Bar", "Bar")
> > >         .SetProjection(Projections.ProjectionList()
> > >             .Add(Projections.Property("Id"), "Id")
> > >             .Add(Projections.Property("Name"), "Name")
> > >             .Add(Projections.Property("Bar.Code"), "Bar.Code"))
> > >         .SetResultTransformer(Transformers.AliasToBean(typeof(Foo)))
> > >         .List<Foo>();
> >
> > > When I run this, however, the transformer complains of not being able
> > > to find a setter for the property Bar.Code.  I understand this is
> > > because the projection cannot resolve the sub-property.  I can't find
> > > much of a reference on how to do this sort of query.  Any thoughts?
> >
> > > Thanks,
> > > Colin- Hide quoted text -
> >
> > - Show quoted text -
> >
>


-- 
Fabio Maulo

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