Correct Configuration for Deleting Related Entities

[ni...@customapp.co.za]

Say I got 3 Entities : Car, Damage, Picture.

A Car have a List of Damages.

A Damage have a Picture.

When I delete a car, it's damages get removed just fine, but the damage picture would still be in the database.

I assume it's just a Override I need to configure, but not sure the correct way.

[Billy McCafferty]

What you're looking for is the cascade of all-delete-orphan.  The various cascade types are described at: http://ayende.com/blog/1890/nhibernate-cascades-the-different-between-all-all-delete-orphans-and-save-update

There are some great links here with respect to configuring NHibernate:  http://stackoverflow.com/questions/6348670/getting-started-with-nhibernate-3-2-loquacious-api - here's an example which includes a cascade:  http://notherdev.blogspot.com/2012/01/mapping-by-code-join.html

Hope this helps!

Billy McCafferty

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