はてなブックマーク

One of the most trickiest things to understand in DDD is the domain relationship between 2 concepts. Most of the time when people think relationship they use the programmer mindset and they look for: has-a or is-a or parent-child or (worse) one-to-many etc relationships. Which is valid when you write code but absolutely wrong when you do domain modelling. What we're looking for is a Domain Relatio