
object oriented - What does mapping mean in programming?
Which is kind of the same mathematically speaking. So it might mean matching tables in a database with objects in code. Or performing an operation on each item in a list. A mapper is a …
Is "Mapper" a valid design pattern or is it a variation of the …
The Mapper is essentially a constructor inside out. Suppose for a while, if you don't have a Mapper - when you need many seta of parameters they are all arguments on the constructor. …
object oriented design - Software Engineering Stack Exchange
2015年9月10日 · Therefore, Data Mapper is perfect for representing non-trivial domain model. If your domain model is rather simple you might consider using Active Record pattern or Data …
How do Repository and Data Mapper patterns work together?
2023年6月28日 · The problem there is that that now makes the Repository as dependent on the DB as the Data Mapper, which "feels wrong". The alternative is some other abstraction has to …
Best practices regarding type mapping and extension methods
2015年11月3日 · Converter/Mapper class. I create separate class that will handle conversions and implement methods that will take source class instance as an argument and return …
Good practices to implement mappers in a multi-tier application
2013年2月4日 · What would be the "proper" way to handle it. The application I currently work with utilizes separate mapper class for every possible translation, and although it has benefits of …
java - Should I mock ObjectMapper in my unit tests? - Software ...
2020年9月29日 · He does not control it. The lib in question is also not slow or so slow that it would need to be mocked for performance, so I don't think it should be mocked. It could be replaced …
java - Uncle Bob's clean architecture - An entity/model class for …
2015年11月23日 · In every layer (presentation, domain and data), there's a model class for the same entity (talking UML). Plus, there are mapper classes that take care of object's …
Best practice for references in DTOs and entities in Spring
2020年5月13日 · Given the following architecture and frameworks: Spring Boot Application with Spring Data JPA (Hibernate is used as OR mapper); layered architecture as followed. REST …
Storing entities with mapped many-to-many relationships
2017年7月3日 · When developing a many-to-many relation I create 3 entities: Car, Part and a CarPart which contains the lists of both entities. On the client-side of the application I want to …