def overflow_items_controller
      @overflow_manager = QueueOverflow::Manager.new(self, queue_factory, @options[:queue_items_limit])

      # In the time, url policy may change so policy is re-evaluated
      @overflow_manager.url_filter do |page|
        should_be_visited?(page.url, false)
      end

      QueueOverflow::Worker.new(@overflow_manager)
    end
def overflow_items_controller
      @overflow_manager = QueueOverflow::Manager.new(self, queue_factory, @options[:queue_items_limit])

      # In the time, url policy may change so policy is re-evaluated
      @overflow_manager.url_filter do |page|
        should_be_visited?(page.url, false)
      end

      QueueOverflow::Worker.new(@overflow_manager)
    end
It handles the overflow item policy (if any)