Serializing configuration saves you from XML validation, at least.

Tuna Toksöz
http://tunatoksoz.com
http://twitter.com/tehlike

Typos included to enhance the readers attention!



On Thu, Feb 5, 2009 at 3:53 PM, Fabio Maulo <[email protected]> wrote:

> Configuration useless.Which are the classes, used in sessionFactory state,
> that are not serializable ?
>
> 2009/2/5 Tuna Toksoz <[email protected]>
>
> Yesterday I played with the idea of Serializing the configuration. People
>> complain about sessionFactory initialization takes forever and serialization
>> is an option most of the time.
>> I tried the idea of serializing SessionFactory which wasn't possible since
>> it has dependency on many nonserializable classes within NH (and marking
>> them as serializable is time consuming).  Instead, I tried serializing
>> Configuration right after the buildSessionFactory operation
>>
>>             BinaryFormatter fm = new BinaryFormatter();
>>             Stopwatch sw = Stopwatch.StartNew();
>>             FileStream fs = new FileStream("myfile.dat",
>> FileMode.OpenOrCreate, FileAccess.Write);
>>             Configuration cfg = new Configuration();
>>             cfg.Configure();
>>             cfg.AddAssembly("DomainWith75EntityClass");
>>             cfg.Configure();
>>             cfg.BuildSessionFactory();
>>             fm.Serialize(fs, cfg);
>>             sw.Stop();
>>             Console.WriteLine(sw.ElapsedMilliseconds);
>>
>> before BuildSessionFactory, serialization wasn't possible as
>> System.Xml.XmlSchema is nonserializable.
>>
>> This took 3998 ms
>>
>> and then I tried
>>
>>             BinaryFormatter fm = new BinaryFormatter();
>>             Stopwatch sw = Stopwatch.StartNew();
>>             FileStream fs = new FileStream("myfile.dat", FileMode.Open,
>> FileAccess.Read);
>>             var cfg = fm.Deserialize(fs) as Configuration;
>>             cfg.BuildSessionFactory();
>>             sw.Stop();
>>             Console.WriteLine(sw.ElapsedMilliseconds);
>>
>> this took 1578 ms on average.
>>
>> Should I make Configuration serializable, or do you think it is useless?
>>
>>
>>
>> Tuna Toksöz
>> http://tunatoksoz.com
>> http://twitter.com/tehlike
>>
>> Typos included to enhance the readers attention!
>>
>>
>
>
> --
> Fabio Maulo
>

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