method
add_association_callbacks
add_association_callbacks(association_name, options)
private
Hide source
# File activerecord/lib/active_record/associations.rb, line 1813 def add_association_callbacks(association_name, options) callbacks = %(before_add after_add before_remove after_remove) callbacks.each do |callback_name| full_callback_name = "#{callback_name}_for_#{association_name}" defined_callbacks = options[callback_name.to_sym] if options.has_key?(callback_name.to_sym) class_inheritable_reader full_callback_name.to_sym write_inheritable_attribute(full_callback_name.to_sym, [defined_callbacks].flatten) else write_inheritable_attribute(full_callback_name.to_sym, []) end end end