# File lib/ruote/exp/ro_persist.rb, line 123
    def do_p (pers)

      case r = self.send("try_#{pers}")
        when true
          false # don't go on
        when Hash
          self.h = r
          self.send("do_#{@msg['action']}", @msg)
          false # don't go on
        else
          true # success, please go on
      end
    end