DDDã®ä»•æ§˜ãƒ‘ターン - pospomeã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°æ—¥è¨˜-----------追記------------- 仕様パターンã«ã¤ã„ã¦ã¯ä»¥ä¸‹ã®æ›¸ç±ã§å¯èƒ½ãªé™ã‚Šè©³ã—ã解説ã—ã¦ã„ã¾ã™ã€‚ 興味ã‚ã‚Œã°èªã‚“ã§ã¿ã¦ãã ã•ã„。 pospome.booth.pm -----------追記ãŠã‚ã‚Š------------- エリック・エヴァンスã®DDD本ã§ã¯ã€Œä»•æ§˜ãƒ‘ターンã€ã¨ã„ã†å®Ÿè£…パターンãŒèª¬æ˜Žã•ã‚Œã¦ã„る。 仕様上ã®ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã¯ã‚¨ãƒ³ãƒ†ã‚£ãƒ†ã‚£ã‚„値オブジェクトã«å®Ÿè£…ã—ã¦ã¯ã„ã‘ãªã„。 複雑ãªä»•æ§˜ã«ã‚ˆã‚‹è¤‡é›‘ãªãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ãƒã‚¸ãƒƒã‚¯ã¯ クラスã®è‚¥å¤§åŒ–ã‚’æ‹›ã„ã¦ã—ã¾ã†ã€‚ class User { //ã“ã†ã„ã£ãŸãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã¯è‚¥å¤§åŒ–ã‚’æ‹›ã public boolean isXXX(){ //複雑ãªãƒã‚¸ãƒƒã‚¯ } } ã¾ãŸã€ã“ã†ã„ã£ãŸãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã¯è¤‡æ•°ã®ã‚¨ãƒ³ãƒ†ã‚£ãƒ†ã‚£ã‚’å¿…è¦ã¨ã™ã‚‹å ´åˆãŒã‚ã‚‹ã®ã§ã€ ã©ã®ã‚¯ãƒ©ã‚¹ã®è²¬å‹™ã¨ã™ã‚‹ã®ã‹ã‚’明確ã«åˆ¤æ–ã§ããªã„ã“ã¨ã‚‚ã‚る。 class User
第一回DDD勉強会を開催ã—ã¾ã—ãŸï¼ï½œå‚本é¾å¤ª: ãƒã‚°ãƒ©ã‚¹å…±åŒå‰µæ¥è€…å–ç· å½¹
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CQRS実践入門 [ドメイン駆動è¨è¨ˆ] - little hands' lab![CQRS実践入門 [ドメイン駆動è¨è¨ˆ] - little hands' lab](https://cdn-ak-scissors.b.st-hatena.com/image/square/c1461d1de08cfc1309c0a0f3c18a2f498485bb45/height=288;version=1;width=512/https%3A%2F%2Fcdn.image.st-hatena.com%2Fimage%2Fscale%2F1a101957924fd716c353278f0d65759b39326613%2Fbackend%3Dimagemagick%3Bheight%3D1200%3Bversion%3D1%3Bwidth%3D1200%2Fhttps%253A%252F%252Fcdn-ak.f.st-hatena.com%252Fimages%252Ffotolife%252Fl%252Flittle_hands%252F20191202%252F20191202061944.png)
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