Methods
Public Instance methods
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
[ show source ]
# File vendor/rails/activerecord/lib/active_record/observer.rb, line 21
21: def observers=(*observers)
22: observers = [ observers ].flatten.each do |observer|
23: observer.is_a?(Symbol) ?
24: observer.to_s.camelize.constantize.instance :
25: observer.instance
26: end
27: end