Module | ActiveRecord::Observing::ClassMethods |
In: |
lib/active_record/observer.rb
|
Activates the observers assigned. Examples:
# Calls PersonObserver.instance ActiveRecord::Base.observers = :person_observer # Calls Cacher.instance and GarbageCollector.instance ActiveRecord::Base.observers = :cacher, :garbage_collector # Same as above, just using explicit class references ActiveRecord::Base.observers = Cacher, GarbageCollector
Note: Setting this does not instantiate the observers yet. instantiate_observers is called during startup, and before each development request.