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[NHibernate-development] NHibernate.Linq and properties

Kim Johansson

2009-04-01


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Hello gurus! I've quite recently discovered NHibernate.Linq, written
some code and it worked perfectly. There's one thing I want to be able
to do, I want to be able to use the IQueryable interface on my
properties on my entities. How would you do that? I'm thinking about
creating a class implementing IQueryable and ICollection, that takes an
ISession and runs queries in that. I want to make the properties more
lazy loaded than they are by default in NHibernate. So I can do
something like this:

IUser user = this.UserService.GetUserById(1);
IEnumerable<IMessage> messages = user.Messages.Where(m =>
m.IsActive).Skip(offset).Take(10);

foreach(IMessage message in messages)
Console.WriteLine(message);

And that query will only get 10 messages from the database.

How would you do this?

Thanks in advance, Kim Johansson

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