Method: Mongoid::Association::Options#touch_field

Defined in:

lib/mongoid/association/options.rb

#touch_field ⇒ nil

The field for saving the associated object’s type.

Returns:

• (nil) —

  Default is nil.

# File 'lib/mongoid/association/options.rb', line 113

def touch_field
  @touch_field ||= options[:touch] if (options[:touch].is_a?(String) || options[:touch].is_a?(Symbol))
end