alternative to invoking middleware in sidekiq

processor.rb

    def process(msg)
      klass = constantize(msg['class'])
      invoke_chain(klass.new, msg)
      @boss.processor_done!(current_actor)
    end

    def invoke_chain(worker, msg)
      chain = Sidekiq::Middleware::Chain.retrieve.dup
      traverse_chain = lambda do
        if chain.empty?
          worker.perform(*msg['args'])
        else
          chain.shift.call(worker, msg, &traverse_chain)
        end
      end
      traverse_chain.call
    end