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   в РУЖЭЛЬ


   Геннадий Кушнир
бумажные отчеты         до
                  информатизации
бумажные отчеты       “дикая”
                  информатизация
принудительная
          “информатизация”




протест
Московская
ОЭЖД
       “интеграция”
Каждое отображение
снижает достоверность
Нужна сводка




Каждая отдельная отметка не важна
Подход ОЭЖД

запрос                 обработка
                        данных
отчет


         отображение
         всех данных




    Актуальные данные
Предлагаемый подход

 запрос                          оформление
                                   сводки
  отчет
                                 за
                                   пр
               рос                   ос
          з ап
                     результат
                     обработки




     Актуальные данные
Хочу сводный отчет
 об успеваемости

 Сейчас запрошу...
                     HTTP GET


                     <XML />


 Ваш отчет готов:




   Спасибо!
Перечень отчетов
                      Конечное количество
                   стандартизованных отчетов


                          Разработчик
                     напряжется однажды и
                         реализует их
Перечень отчетов
                                Изменения Дополнения




              !"#$%&'(Разработчик
«)**+,-. /0123405.36»

«)**+,-. +-*7-,88296»

«)**+,-. :,-3,2/*: -0;0236»

<0123405.30 5=*3 (50/>, ?@. +3/,230, !#, A0@0B*)
Обобщенная модель данных




позволит согласовать язык запросов
Описание модели данных
на примере итоговой оценки




В полной модели несколько связанных сущностей
Протокол гибких запросов
               с опорой на модель
        запрос
http://…/agr/itogMark?eduYear=2011&perNum=1&_grp1=grade%2Cstudent&
_agr1=c0%2Cc2%2Cc3%2Cc4%2Cc5%2Ccn&c0=count%28mark%3D%27н%2Fа%27%29&…

                                                                  ответ
         <?xml version="1.0" encoding="UTF-8"?>
         <!DOCTYPE request SYSTEM "agregate.dtd" >
         <response entity="itogMark">
           <param attribute = "eduYear">2011</param>
           <param attribute = "perNum">1</param>
           <param attribute = "perCount">1</param>
           <grouping stage="2">
             <attribute name="grade">5</attribute>
             <agregate name="total" type="count">37</agregate>
             <agregate name="fine" type="count">32</agregate>
             <agregate name="exl" type="count">1</agregate>
             <agregate name="good" type="count">12</agregate>
             <agregate name="one4" type="count">0</agregate>
             <agregate name="one3" type="count">3</agregate>
             <agregate name="na" type="count">4</agregate>
             <agregate name="bad" type="count">1</agregate>
             <agregate name="bad1" type="count">1</agregate>
             <agregate name="bad2" type="count">0</agregate>
             <agregate name="worse" type="count">0</agregate>
             <agregate name="cnSum" type="sum" attribute ="cn">2</agregate>
           </grouping>
         ...
Конструктор запроса
            Это форма для подготовки
                HTTP GET запроса




 http://atomic.rujel.net/Apps/WebObjects/Rujel.woa/agr
Перспективы развития

  Развитие модели

  Сохраненные запросы

  Отложенные запросы
Отложенный запрос
                     нет связи


Хочу сводный отчет
 об успеваемости
                          ???
Сейчас недоступно.
   Будет завтра.
Отложенный запрос
                 связь появилась

         HTTP GET
    Есть ко мне вопросы?

        <request/>
    Нужен такой отчет: …

    HTTP POST <XML />
     Вот, пожалуйста!

         HTTP OK
     Спасибо, принято
Отложенный запрос
Настало утро

Как там мой отчет?

Ваш отчет готов:




   Спасибо!
Спасибо
         Официальный сайт РУЖЭЛЬ
            http://www.rujel.net/

             Описания, сообщество
             http://wiki.rujel.net/

    Конструктор запросов в демо-версии
http://atomic.rujel.net/Apps/WebObjects/Rujel.woa/agr

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