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POHow to identify a particular entity's Session Factory with Fluent NHibernate and Multiple Databases
 

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  1. POHow to identify a particular entity's Session Factory with Fluent NHibernate and Multiple Databases
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    <p>Question follows on from <a href="https://stackoverflow.com/questions/2655861/fluent-nhibernate-multiple-databases">Fluent NHibernate + multiple databases</a> (no need to follow this link,there should be enough background here).</p> <p>My problem is this:</p> <p>I'm using Fluent NHibernate. My application uses multiple databases. Each database has its own entities registered (mapped) against it. The result is that have multiple Session Factories, each one relating to a single DB, and each 'containing' its own set of mapped entities.</p> <p>For loading entities I've created a generic Factory class that provides some standard load methods usable for any registered entity (in any DB). The problem is: The load methods need to use the correct session factory for the entity class I'm busy dealing with. How would I determine which session factory I need to use? I have all the Session Factories 'on hand' (and indexed by database name), I just need a way, knowing just the type of Entity I'm about to load, of choosing the right Session Factory to use.</p> <p>For example:</p> <pre><code>public IBaseBusinessObject CreatePopulatedInstance(Type boType, Guid instanceKey) { IBaseBusinessObject result = null; ISessionFactory sessionFactory = GetSessionFactory(boType); using (ISession session = sessionFactory.OpenSession()) { using (session.BeginTransaction()) { result = (IBaseBusinessObject)session.Get(boType, instanceKey); } } return result; } </code></pre> <p>What needs to go on in GetSessionFactory(boType) ?</p> <p>Thanks for reading!</p>
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