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Design patterns

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by

Stéphane Py

on 3 February 2012

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Transcript of Design patterns

Design patterns Dependency
Injection Singleton Iterator Pourquoi un singleton ? Objet unique
POOL Pourquoi pas un singleton ? Difficile à tester unitairement
Peut s'avérer couteux en mémoire
Préférez l'injection de dépendance quand c'est possible Iterator
=
Array Classes Interfaces ArrayIterator
CachingIterator
.... .....
IteratorAggregate
Traversable
Iterator
ArrayAccess
... .... ... Couplages Interdit ! FORT FAIBLE Container Approuvé et utilisé par tous Symfony, Zend Magento ... ha NON QUESTIONS ? Observer Gestion d'
évènements Avantages Inconvénients Extension simple
Code unobstrusive On ne sait pas tous les impacts
Compliqué de gérer les priorités
Full transcript