queue_adapter=

# File activejob/lib/active_job/queue_adapter.rb, line 17
      def queue_adapter=(name_or_adapter)
        @@queue_adapter =            case name_or_adapter
          when :test
            ActiveJob::QueueAdapters::TestAdapter.new
          when Symbol, String
            load_adapter(name_or_adapter)
          else
            name_or_adapter if name_or_adapter.respond_to?(:enqueue)
          end
      end