Domain Driven Design Entity Validation

2012 04 03 12 31 by mickael marrache.

Domain driven design entity validation. In his book implementing domain driven design vaughn vernon discusses these in the section on validation. Pour un objet il existe un certain nombre d invariants qui doivent toujours avoir la valeur true. If the validation rules form part of the business domain they belong in the model.

Jeffrey palermo proposes that the always valid entity is a fallacy. In domain driven design there are two schools of thought regarding validation which revolve around the notion of the always valid entity. The other school of thought.

Also consider two step validation. If you find that the validation rules are very complex you can create a validation service that will be. You can do this by returning a result object instead of exceptions in order to make it easier to deal with the validation errors.

Les entités de domaine doivent toujours être des entités valides. Par exemple un objet d élément de commande doit toujours avoir une quantité qui doit être un entier positif ainsi qu un nom d article et un prix. C asp net domain validation logic in domain driven design ddd this is an example showing how and where to implement domain model validation and business logic in c and asp net projects including mvc web api or asp net core the code is pure c so it doesn t matter what type of project or solution it s in.