method

define_callback

rails latest stable - Class: ActiveRecord::Associations::Builder::CollectionAssociation

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v4.0.2) is shown here.

define_callback(callback_name)
public

No documentation available.

# File activerecord/lib/active_record/associations/builder/collection_association.rb, line 61
    def define_callback(callback_name)
      full_callback_name = "#{callback_name}_for_#{name}"

      # TODO : why do i need method_defined? I think its because of the inheritance chain
      model.class_attribute full_callback_name.to_sym unless model.method_defined?(full_callback_name)
      model.send("#{full_callback_name}=", Array(options[callback_name.to_sym]))
    end