Nick Kallen

Pivotal Labs

Nick Kallen has been developing Ruby on Rails applications for two years at Pivotal Labs in San Francisco. He is a prolific blogger on Rails idioms and Ruby metaprogramming tricks, and is the author of the popular HasFinder gem.

Sessions

1:50pm - 2:40pm Sunday, 06/01/2008
ActiveRecord Associations and the Proxy Pattern
General
 Location: E145 - E146
Nick Kallen (Pivotal Labs)
Ever wondered how has_many, belongs_to, etc. really work? The secret sauce is the Proxy pattern, whereby one object acts on behalf of another, intercepting and transforming messages. In this tutorial, you will learn advanced features of ActiveRecord associations, how to monkey-patch these associations to do your bidding, and how and when to implement the Proxy pattern in your own metaprograms. Read more.
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