“永久性”的SessionFactory，ASP.NET MVC和NHibernate [英] The 'Permanent' SessionFactory, ASP.NET MVC and nHibernate

问题描述

我一直在建立一个应用程序与功能NHibernate / ASP.NET MVC - 和我周围挖想通了，它被认为最适当的做法，以保持一个永久性的SessionFactory打开，然后使用会话为每个请求到数据库中。好吧，这听起来不错...

I've been building an application with Fluent nHibernate/ASP.NET MVC - and I've dug around and figured out that it's considered most appropriate practice to keep a 'permanent' SessionFactory open, and then use sessions for each request to the database. Okay, this sounds good...

我是如何做到这一点相当混乱，虽然。一切，我觉得假设一个完整的框架结构，使用某种IoC容器系统...，这对我有什么迄今为止太先进。是否有更简单的如何实现这种设计的例子吗？

I'm quite confused on how to accomplish this, though. Everything I find assumes an entire structured framework that uses some kind of IoC container system ...and that's just too advanced for what I have so far. Are there any more simple examples of how to implement this kind of design?

我已经采取了看<一个href=\"http://stackoverflow.com/questions/563030/where-can-i-find-a-good-nhibernate-and-asp-net-mvc-reference-application\">Where我能找到一个很好的NHibernate和ASP.NET MVC参考应用

即使读的书ASP.NET MVC在行动，但它的例子只是远远大于我所试图实现更加复杂。我想一个单身模式将在的的Global.asax '的工作的Application_Start但没有取得我所希望的结果。这样可以保证我厂处置，从来没有重新创建它。

And even read the book "ASP.NET MVC in Action", but it's example is just far more complicated than what I am trying to achieve. I thought a singleton model would work in the Application_Start of the 'global.asax' but that didn't yield the results I had hoped for. It would keep disposing of my factory and never recreating it.

推荐答案

您可以暴露 ISessionFactory 为单：

public sealed class FactoryManager
{
    private static readonly ISessionFactory _instance = CreateSessionFactory();

    static FactoryManager()
    { }

    public static ISessionFactory Instance
    {
        get { return _instance; }
    }

    private static ISessionFactory CreateSessionFactory()
    {
        // TODO: configure fluentnhibernate and create a session factory
    }
}

现在，你可以在你的code使用 FactoryManager.Instance ：

Now you could use FactoryManager.Instance in your code:

using (var session = FactoryManager.Instance.OpenSession())
using (var tx = session.BeginTransaction())
{
    // TODO: use the session here
    tx.Commit();
}

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