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Fixed after_initialize/after_find guide

Defining after_initialize and after_find as ordinary methods like
documented in the guide doesn't work with Rails 3.1.1; now macro-style
is used here, too.

Conflicted while cherry picking from master (Original Author: Florian Walch)
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1 parent 64122c7 commit 3cd33ea612748b5e9c38e20349b30382aec2fbc9 @vijaydev vijaydev committed Nov 5, 2011
Showing with 3 additions and 3 deletions.
  1. +3 −3 railties/guides/source/active_record_validations_callbacks.textile
@@ -982,15 +982,15 @@ The +after_initialize+ callback will be called whenever an Active Record object
The +after_find+ callback will be called whenever Active Record loads a record from the database. +after_find+ is called before +after_initialize+ if both are defined.
-The +after_initialize+ and +after_find+ callbacks are a bit different from the others. They have no +before_*+ counterparts, and the only way to register them is by defining them as regular methods. If you try to register +after_initialize+ or +after_find+ using macro-style class methods, they will just be ignored. This behavior is due to performance reasons, since +after_initialize+ and +after_find+ will both be called for each record found in the database, significantly slowing down the queries.
+The +after_initialize+ and +after_find+ callbacks have no +before_*+ counterparts, but they can be registered just like the other Active Record callbacks.
class User < ActiveRecord::Base
- def after_initialize
+ after_initialize do |user|
puts "You have initialized an object!"
- def after_find
+ after_find do |user|
puts "You have found an object!"

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