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POHow can I implement NHibernate session per request without a dependency on NHibernate?
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  1. POHow can I implement NHibernate session per request without a dependency on NHibernate?
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    copied!<p>I've raised this question before but am still struggling to find an example that I can get my head around (please don't just tell me to look at the S#arp Architecture project without at least some directions).</p> <p>So far I have achieved near persistance ignorance in my web project. My repository classes (in my data project) take an ISession in the constructor:</p> <pre><code>public class ProductRepository : IProductRepository { private ISession _session; public ProductRepository(ISession session) { _session = session; } </code></pre> <p>In my global.asax I expose the current session and am creating and disposing session on beginrequest and endrequest (this is where I have the dependency on NHibernate):</p> <pre><code> public static ISessionFactory SessionFactory = CreateSessionFactory(); private static ISessionFactory CreateSessionFactory() { return new Configuration() .Configure() .BuildSessionFactory(); } protected MvcApplication() { BeginRequest += delegate { CurrentSessionContext.Bind(SessionFactory.OpenSession()); }; EndRequest += delegate { CurrentSessionContext.Unbind(SessionFactory).Dispose(); }; } </code></pre> <p>And finally my StructureMap registry:</p> <pre><code> public AppRegistry() { For&lt;ISession&gt;().TheDefault .Is.ConstructedBy(x =&gt; MvcApplication.SessionFactory.GetCurrentSession()); For&lt;IProductRepository&gt;().Use&lt;ProductRepository&gt;(); } </code></pre> <p>It would seem I need my own generic implementations of ISession and ISessionFactory that I can use in my web project and inject into my repositories?</p> <p><strong>So just to clarify - I am using NHibernate in my repository layer and want to use a session-per-(http)request. Therefore I am injecting an ISession into my repository constructors (using structuremap). Currently to create and dispose the sessions in each request I have had to reference NHibernate from my web project. This is the dependency I would like to remove.</strong></p> <p>Thanks, Ben</p>
 

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