Domain-Driven Refactoring: Encapsulating Collections

Posts in this series: IntroProcedural BeginningsLong MethodsExtracting Domain ServicesDefactoring and Pushing Behavior DownEncapsulating DataEncapsulating CollectionsIn the last post, we looked at refactoring our domain model so that we have explicit entry points in order to mutate our domain object. I skipped one of members because it deserved a post all