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Contents
module ActionController #:nodoc:
module Caching
class Sweeper < ActiveRecord::Observer #:nodoc:
attr_accessor :controller
def initialize(*args)
super
@controller = nil
end
def before(controller)
self.controller = controller
callback(:before) if controller.perform_caching
true # before method from sweeper should always return true
end
def after(controller)
self.controller = controller
callback(:after) if controller.perform_caching
end
def around(controller)
before(controller)
yield
after(controller)
ensure
clean_up
end
protected
# gets the action cache path for the given options.
def action_path_for(options)
Actions::ActionCachePath.new(controller, options).path
end
# Retrieve instance variables set in the controller.
def assigns(key)
controller.instance_variable_get("@#{key}")
end
private
def clean_up
# Clean up, so that the controller can be collected after this request
self.controller = nil
end
def callback(timing)
controller_callback_method_name = "#{timing}_#{controller.controller_name.underscore}"
action_callback_method_name = "#{controller_callback_method_name}_#{controller.action_name}"
__send__(controller_callback_method_name) if respond_to?(controller_callback_method_name, true)
__send__(action_callback_method_name) if respond_to?(action_callback_method_name, true)
end
def method_missing(method, *arguments, &block)
return super unless @controller
@controller.__send__(method, *arguments, &block)
end
end
end
end
Version data entries
5 entries across 4 versions & 3 rubygems