# File lib/innate/cache/file_based.rb, line 11
      def cache_setup(*args)
        @prefix = args.compact.join('-')

        @dir = File.join(Dir.tmpdir, self.class::DIR)
        FileUtils.mkdir_p(@dir)

        @filename = File.join(@dir, @prefix + self.class::EXT)
        @store = self.class::STORE.new(@filename)
      end