James Coplien(@jcoplien), thankfully, gave us a talk titled "DCI and Ruby — the current DCI language of choice". Which was arranged by @kakutani to, I guess, let us, Japanese Rubyists, know about true DCI concept given by its main advocator. Thanks guys for the great opportunity. Here, I'll wrap up what I got from today's talk. It probablly includes many misunderstanding, though. It doesn't precis
Within DDD, the idea is to allocate all logic (as much as feasible) to the entity POJOs. This often includes logic of the following categories: accessing state (setters, getters, navigation and change of object graph), validating the state, calculation of derived attributes (calculating order sum of an order) and event processing (action-logic triggered by changes to the state of an entity, such a
DCI (Data Context Interaction) is a new way to look at object oriented programming. If you’d like to read some theory to see the difference between DCI and traditional OOP there is a nice article coverting the topic: http://www.artima.com/articles/dci_vision.htmlAnd this presentation can be very helpful too: http://www.infoq.com/presentations/The-DCI-ArchitectureIn this post I’d like to show one s
Beat the Plan: Probabilistic Strategies for Successful Software Delivery at Scale Large-scale software delivery demands managing complexity across teams and organizations. Similarly to betting strategies in Vegas, embracing probabilistic thinking helps tackle uncertainty, shifting from rigid plans to adaptive systems. By making informed bets and designing for change, leaders can control volatility
この記事はartima developerに掲載されている、Trygve Reenskaug氏とJames O. Coplien氏による記事「The DCI Architecture: A New Vision of Object-Oriented Programming」を、著作権者であるBill Bennrs氏の許可を得て翻訳したものです。本文内の図の著作権はArtima, Inc.に帰属します。（原文公開日：2009年3月20日） 要約 オブジェクト指向プログラミングはプログラマとエンドユーザの視点をコンピュータコードにおいて統一するものと考えられていた。この恩恵はユーザビリティとプログラムの分かりやすさの両面にわたる。しかし、オブジェクトは構造をとらえるのに長けている一方で、システムの動作をとらえることができていない。DCIはエンドユーザのロールに関する認識モデルとロール間の関係を
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