Using JSON.NET to serialize proxied NHibernate objects

[Roy.Jacobs]

Hi all,

Just thought I'd let you know that I ran into issues with JSON.NET not being able to serialize NHibernate objects that contained any proxies due to lazy loading. With a bit of googling and hacking I was able to solve it by adding a converter and resolver to JSON.NET that automatically proxies any objects that implement INHibernateProxy.

http://www.royjacobs.org/2011/07/27/using-json-net-to-serialize-proxied-nhibernate-objects/

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Roy

[Jason Meckley]

this topic has been covered many times over. most times the best approach is to create contextual dtos from the domain objects and serialize the dto. Keeping the domain within the scope of the NH session.

[José F. Romaniello]

I second what Jason says.

Martin Fowler first law of Distributed Objects Design is "don't distribute your objects"; http://martinfowler.com/bliki/FirstLaw.html

2011/7/27 Jason Meckley <jasonm...@gmail.com>

this topic has been covered many times over. most times the best approach is to create contextual dtos from the domain objects and serialize the dto. Keeping the domain within the scope of the NH session.

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[Roy Jacobs]

Oh certainly, but the way we build contextual dto's as an interim solution is by marking objects as [DataContract] certain properties as [DataMember], basically. This should control the amount of properties that get serialized, essentially building up dto's that way. However, when JSON.NET walks this tree, it will find the proxy which does not contain a [DataContract] and it will therefore serialize the *entire* object, which is something we don't want.

Roy