diff options
Diffstat (limited to 'activesupport/lib/active_support/notifications.rb')
| -rw-r--r-- | activesupport/lib/active_support/notifications.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/notifications.rb b/activesupport/lib/active_support/notifications.rb index 521245e195..6735c561d3 100644 --- a/activesupport/lib/active_support/notifications.rb +++ b/activesupport/lib/active_support/notifications.rb @@ -57,6 +57,33 @@ module ActiveSupport # is able to take the arguments as they come and provide an object-oriented # interface to that data. # + # It is also possible to pass an object as the second parameter passed to the + # <tt>subscribe</tt> method instead of a block: + # + # module ActionController + # class PageRequest + # def call(name, started, finished, unique_id, payload) + # Rails.logger.debug ["notification:", name, started, finished, unique_id, payload].join(" ") + # end + # end + # end + # + # ActiveSupport::Notifications.subscribe('process_action.action_controller', ActionController::PageRequest.new) + # + # resulting in the following output within the logs including a hash with the payload: + # + # notification: process_action.action_controller 2012-04-13 01:08:35 +0300 2012-04-13 01:08:35 +0300 af358ed7fab884532ec7 { + # :controller=>"Devise::SessionsController", + # :action=>"new", + # :params=>{"action"=>"new", "controller"=>"devise/sessions"}, + # :format=>:html, + # :method=>"GET", + # :path=>"/login/sign_in", + # :status=>200, + # :view_runtime=>279.3080806732178, + # :db_runtime=>40.053 + # } + # # You can also subscribe to all events whose name matches a certain regexp: # # ActiveSupport::Notifications.subscribe(/render/) do |*args| |