6、Domain-Driven Design: Concepts, Patterns, and Implementation

最新推荐文章于 2025-09-10 09:15:47 发布

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最新推荐文章于 2025-09-10 09:15:47 发布

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分类专栏：掌握Java微服务：从入门到精通文章标签： Domain-Driven Design DDD Repository

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Domain-Driven Design: Concepts, Patterns, and Implementation

1. Repository and Factory in Domain Modeling

1.1 Repository

In a domain model, numerous domain objects exist, each with its own life - cycle. A repository is a central object that manages references to all available domain objects. It interacts with infrastructures like databases or file systems to retrieve persisted objects.

The main advantage of using a repository is that it provides a consistent way to retrieve objects without the requester having to interact directly with storage. For example, if you need a customer with ID 31, you query the repository. If the customer object is already in the repository, it is returned; otherwise, the repository fetches it from storage.