efficient-counter-caches-ex19.rb

class CCRecalculationEnqueuer < CCEnqueuer
def perform
class_to_update = @options[:relation_class_name].constantize
instance_id = @options[:relation_id]
instance = class_to_update.public_send(:find, instance_id)
method_name = @options[:method]

instance.public_send(method_name.to_sym)
unmark_as_queued
end

private

def enqueuer_name
'recalculation'
end

def form_key
class_name = @options[:relation_class_name]
column_name = @options[:column]
instance_id = @options[:relation_id]
"cc::#{class_name}::#{instance_id}::#{column_name}::recalculation"
end
end