diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/observer.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/observer.rb b/activerecord/lib/active_record/observer.rb index ceba78b043..f08374596d 100644 --- a/activerecord/lib/active_record/observer.rb +++ b/activerecord/lib/active_record/observer.rb @@ -43,7 +43,11 @@ module ActiveRecord # The observer can implement callback methods for each of the methods described in the Callbacks module. class Observer include Singleton - + + def self.observe(*models) + define_method(:observed_class) { models } + end + def initialize [ observed_class ].flatten.each do |klass| klass.add_observer(self) |