java_ja java_ja_ddd 2013-3-22 発表。ドメイン駆動設計(DDD)の実践Read less
Validating data is a common task that occurs throughout all application layers, from the presentation to the persistence layer. Often the same validation logic is implemented in each layer which is time consuming and error-prone. To avoid duplication of these validations, developers often bundle validation logic directly into the domain model, cluttering domain classes with validation code which i
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