# File lib/chef/runner.rb, line 48
    def run_action(resource, action, notification_type=nil, notifying_resource=nil)
      resource.run_action(action, notification_type, notifying_resource)

      # Execute any immediate and queue up any delayed notifications
      # associated with the resource, but only if it was updated *this time*
      # we ran an action on it.
      if resource.updated_by_last_action?
        run_context.immediate_notifications(resource).each do |notification|
          Chef::Log.info("#{resource} sending #{notification.action} action to #{notification.resource} (immediate)")
          run_action(notification.resource, notification.action, :immediate, resource)
        end

        run_context.delayed_notifications(resource).each do |notification|
          if delayed_actions.any? { |existing_notification| existing_notification.duplicates?(notification) }
            Chef::Log.info( "#{resource} not queuing delayed action #{notification.action} on #{notification.resource}"\
                            " (delayed), as it's already been queued")
          else
            delayed_actions << notification
          end
        end
      end
    end