Nhibernate Thread Static CurrentSessionContext that supports multiple ISessionFactory's

ThreadStaticMultiSession

using System;
using System.Collections;

using NHibernate.Context;
using NHibernate.Engine;

public class ThreadStaticMultiSession : MapBasedSessionContext
{
    [ThreadStatic]
    private static IDictionary sessionFactories;

    public ThreadStaticMultiSession(ISessionFactoryImplementor factory)
        : base(factory)
    {
    }

    protected override IDictionary GetMap()
    {
        return sessionFactories;
    }

    protected override void SetMap(IDictionary value)
    {
        sessionFactories = value;
    }
}