diff options
Diffstat (limited to 'activerecord/lib/active_record/observer.rb')
-rw-r--r-- | activerecord/lib/active_record/observer.rb | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/observer.rb b/activerecord/lib/active_record/observer.rb index ed0f039597..0ea7fe7365 100644 --- a/activerecord/lib/active_record/observer.rb +++ b/activerecord/lib/active_record/observer.rb @@ -88,7 +88,7 @@ module ActiveRecord # class Observer < ActiveModel::Observer class_attribute :observed_methods - self.observed_methods = [] + self.observed_methods = [].freeze def initialize super @@ -97,7 +97,11 @@ module ActiveRecord def self.method_added(method) method = method.to_sym - observed_methods << method if ActiveRecord::Callbacks::CALLBACKS.include?(method) + + if ActiveRecord::Callbacks::CALLBACKS.include?(method) + self.observed_methods += [method] + self.observed_methods.freeze + end end protected |