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Project Prometheus/Mapping Object ToRDB

๊ณ ๋ คํ•ด์•ผ ํ•  ๊ฒƒ : ํ˜„์žฌ ๋งŒ๋“ค์–ด์ง„ Logic Object ๋“ค : Database ์˜ ์—ฐ๋™.

์ฐธ์กฐ ๋ฌธ์„œ : http://martinfowler.com/isa/OR-mapping.html

๋Œ€๊ฐ• ์˜ˆ์ธก ๋ฐ์ดํ„ฐ 

~cpp 
    ์‚ฌ์šฉ์ž ๋ฐ์ดํ„ฐ
        For Login

        For Recommendation System (Read Book, point )
    ์ฑ… ๋ฐ์ดํ„ฐ
        For Book Information
        For cauBook Information (์ค‘๋Œ€ ๋„์„œ๊ด€์‹œ ์œ ์ผํ•œ ํ‚ค)
            ์„œ์ง€๋ฒˆํ˜ธ(key), ๋„์„œ๊ด€์ฝ”๋“œ(ATSL)
        For Recommendation System ( Related Book Point )

ProjectPrometheus ๋Š” RDB-Object ์—ฐ๋™์„ ํ• ๋•Œ ์ผ์ข…์˜ DataMapper ๋ฅผ ๊ตฌํ˜„, ์ ์šฉํ–ˆ์—ˆ๋‹ค. ์ง€๊ธˆ ์ƒ๊ฐํ•ด๋ณด๋ฉด ์˜คํžˆ๋ ค ์ผ์„ ๋ณต์žกํ•˜๊ฒŒ ํ•œ๊ฒŒ ์•„๋‹Œ๊ฐ€ ํ•˜๋Š” ์ƒ๊ฐ์„ ํ•˜๊ฒŒ ๋œ๋‹ค. Object Persistence ์— ๋Œ€ํ•ด์„œ ๋” ๊ฐ„๋‹จํ•œ ๋ฐฉ๋ฒ•์„ ์ถ”๊ตฌํ•˜๋ ค๊ณ  ๋…ธ๋ ฅํ–ˆ๋‹ค๋ฉด ์–ด๋–ป๊ฒŒ ์ ‘๊ทผํ–ˆ์„๊นŒ. --1002

Xper ์— O/R ๋งตํ•‘ ์กฐ์–ธ ๊ตฌํ–ˆ์„๋•Œ ๊ทธ์— ๋Œ€ํ•œ ๋‹ต๋ณ€
  • ๊ณ ๋ฏผํ•  ํ•„์š” ์—†๋‹ค; ์ƒ๋‹นํžˆ ๊ท€์ฐฎ์•„ ๋ณด์ด์ง€๋งŒ, ์‹ค์ œ ์ „์ฒด ์ž‘์—…์—์„œ ์ฐจ์ง€ ํ•˜๋Š” ์–‘์€ ์–ผ๋งˆ ๋˜์ง€ ์•Š๋Š”๋‹ค. ๊ดœํžˆ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๋งŒ๋“ค๋ ค๊ณ  ํ•˜๋ฉด ๋” ๋ณต์žกํ•ด์งˆ๊ฒƒ์ด๋‹ค. O/R ๋งตํ•‘ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋กœ ํฌ์ปค์Šค๋ฅผ ๋งž์ถ”๊ฒŒ ๋˜์ง€ ์•Š๋„๋ก ์กฐ์‹ฌ.

PEAA ์˜ RDB Mapping ๊ณผ ๊ด€๋ จ๋œ ํŒจํ„ด์„ ๋ฐ”๋กœ ์ ์šฉํ•˜๋Š” ๊ฒƒ์— ๋Œ€ํ•œ ๋‹ต๋ณ€
  • ํŒจํ„ด์˜ ์˜ค/๋‚จ์šฉ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋‹ค. - ์–ด์„คํ”„๊ฒŒ ์•„๋Š”๊ฒƒ์€ ๋ชจ๋ฅด๋Š๋‹ˆ๋งŒ ๋ชปํ•œ ๊ฒฝ์šฐ๊ฐ€ ์žˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์ œ๋Œ€๋กœ ์•ˆ๋‹ค๊ณ  ํ•ด์„œ "๋งŽ์ด" ํ•˜๋Š” ๊ฒƒ์€ ์ •๋ง ์ž˜ ์•„๋Š”๊ฒŒ ์•„๋‹ ์ˆ˜ ์žˆ๋‹ค.

ํ•œํŽธ์œผ๋กœ Up-Front Design Versus Evolutionary Design In Denali's Persistence Layer ์˜ ๊ธ€์„ ๋ณด๋ฉด. DB ๊ด€๋ จ ํผ์‹œ์Šคํ„ดํŠธ ๋ถ€๋ถ„์— ๋Œ€ํ•ด์„œ๋„ ์กฐ๊ธˆ์”ฉ ์กฐ๊ธˆ์”ฉ ๋ฐœ์ „์‹œํ‚ฌ ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™๋‹ค. ๋ฐœ์ „ํ•˜๋Š” ๋ชจ์–‘์ƒˆ์˜ ์ค‘๊ฐ„๋‹จ๊ณ„๊ฐ€ PEAA ์—์„œ์˜ Table/Row Gateway ์™€๋„ ๊ฐ™์•„ ๋ณด์ธ๋‹ค.

๋‹จ, ์ด ๋…ผ๋ฌธ์„ ๋ณด๋ฉด ์•ฝ๊ฐ„์€ ์˜๋ฌธ์ด ๋“œ๋Š”๊ฒŒ
  1. 13๊ฐœ์›” ํ”„๋กœ์ ํŠธ์ธ๋ฐ 2๋งŒ๋ผ์ธ์งœ๋ฆฌ๋ผ๋Š”์  - ๋ญ.. ๊ผญ ์†Œ์Šค ๋ผ์ธ์ˆ˜๋กœ ์„ธ๋Š”๊ฑด ๋ฌด๋ฆฌ๊ฐ€ ์žˆ๊ธด ํ•˜์ง€๋งŒ. Servlet ํ”„๋กœ์ ํŠธ 2๋งŒ๋ผ์ธ. ๋‚ด๊ฐ€ ์ „์— ํŒ€ ํ”„๋กœ์ ํŠธ๋กœ MFC ์—‘์…€ ๋งŒ๋“ค๋•Œ๊ฐ€ 1๋งŒ 7์ฒœ๋ผ์ธ์ด์˜€๋Š”๋ฐ. -_-a ๋ฌผ๋ก , Refactoring ์ด ์ž˜ ๋˜์–ด์žˆ๊ณ , XP ๊ฐ€ ์ž˜ ์ ์šฉ๋œ ํ”„๋กœ์ ํŠธ์ด๋ผ๋ฉด ์ ์€๋ผ์ธ์ˆ˜๋กœ ๋งŽ์€ ์ผ์„ ํ•˜๊ฒ ์ง€๋งŒ.
  2. ์ดˆ๊ธฐ์— UpFrontDesign ๋กœ ๋‚˜๊ฐ„ ๋’ค, ํ›„๊ธฐ์— ์ ์ง„์  ๋ฐœ์ „์„ ์ถ”๊ตฌํ•œ์  - ๋‘๊ฐœ๊ฐ€ ๋น„๊ต๋Œ€์ƒ์ด ๋˜๊ธด ์–ด๋ ต๋‹ค.

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