June 2026
Intermediate
180 pages
4h 38m
French
Content preview from Le modèle C4 (French Edition)
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Chapitre 5. Diagrammede composants
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Ce chapitre présente le diagramme de composants C4, qui permet de zoomer pour afficher les composants contenus dans un seul conteneur.
Aspects clés du diagramme de composants
Pour comprendre pourquoi et comment utiliser les diagrammes de composants, il est utile d'en saisir l'objectif, la portée, le contenu, les cas d'utilisation et le public visé.
Objectif
Un diagramme de composants t'aide à répondre aux questions suivantes, en particulier pour les conteneurs qui sont des applications plutôt que des magasins de données :
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Comment le conteneur a-t-il été décomposé en un ensemble de composants ?
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Quelles sont les responsabilités de ces composants ?
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Comment les composants collaborent-ils et communiquent-ils entre eux ?
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Quels sont les principaux choix technologiques (par exemple, les frameworks et les bibliothèques) utilisés pour implémenter les composants ?
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En tant qu'ingénieur logiciel, où dois-tu écrire du code pour ajouter une fonctionnalité ?
Si tu dessines un diagramme de composants lors d’un exercice de conception en amont, tu ne disposes peut-être pas de certains détails techniques, tels que les frameworks et les bibliothèques que tu utilises pour implémenter un composant. Encore une fois, ne t’inquiète pas : ajoute simplement ce que tu sais. Si, en revanche, tu dessines un diagramme pour documenter ...
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