DDD 拼圖中的另一半 – 以戰術實踐代碼

DDDのモデリングとは何なのか、そしてどうコードに落とすのか

質問への回答(35件)を、ブログにまとめているのでこちらご覧ください https://little-hands.hatenablog.com/entry/2019/08/31/genba_de_ddd 「Mix Leap Study 特別編 - レガシーをぶっつぶせ。現場でDDD！コラボカンファレンス」登壇資料ブログ：https://little-hands.hatenablog.com/ Twitter：https://twitter.com/little_hand_s 質問箱：https://peing.net/ja/little_hands

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你是否曾經剛到一間新公司上班時，被晾在一旁不知所措呢？你是否曾經接手一個專案，但不知道該從何看起也不知道該專案在寫什麼呢？你是否會一接到需求就直接著手開發，邊開發邊想怎麼開發呢？你是否曾經開發完功能或專案後，才在趕文件呢？「文件驅動開發」是一種軟體開發方法，它強調在開發之前先撰寫文件，並將其視為開發過程的一部分。這種方法可以幫助開發團隊提高溝通效率、幫助專案維護者更快地找到和修復錯誤，減少時間和資源的浪費，同時文件本身還可作為共享知識的媒介，確保開發團隊對專案的理解保持一致。如果你也希望提高你或是你的團隊的開發效率、減少錯誤，那麼你一定不能錯過這個分享，我相信這個分享將會對你的工作和職涯發展帶來很大的幫助！

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技術書典8で発売予定だった「ドメイン駆動設計モデリング/実装ガイド」 https://little-hands.booth.pm/items/1835632 発売記念に、本書内容の第3章の内容を解説するオンライン勉強会です。特に前提知識は設定せず、本書をお持ちでなくても理解できる構成にする予定ですが、併せてお読みいただけるとより深く理解する助けになると思います。 3章より「DDD固有のモデリング手法」集約とは境界付けられたコンテキストとは sli.doを使って質疑応答 [前回イベント][https://ddd-community-jp.connpass.com/event/168674/) でお答えしきれなかったsli.doの質問にもお答えしようと思います。 ■協賛いただきました！ Forkwell（株式会社grooves）様 https://forkwell.com/ ソニー株式会社 https://www.sony.co.jp/

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透過 Event Storming 初步捕捉 Bounded Context 與 Aggregate 後，接著我們該如何把每個 Bounded Context 以及其中的 Aggregate 轉化成開發時建模的各個 Domain Model 呢？而這便是 DDD Tactical (戰術) Design Pattern 要進一步帶領我們解決的問題，在 DDD Tactical (戰術) Design Pattern，根據不同的領域概念特徵分出了不同的 Pattern ，而我們將會帶各位認識其中最重要的三個元素：Tactical 的 Aggregate, Value Object, Entity，不進一步地把 Event Storming 捕捉的各個 Bounded Context 中的 Aggregate 逐步分析拆解，並根據領域的特徵轉化成三種不同的模型做搭配。

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