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* Fix languages * Missed change for version number * Add language field for presentation * Revert change in README for double buffer Co-authored-by: Jackie Nim <=>
layout, title, folder, permalink, categories, language, tags
| layout | title | folder | permalink | categories | language | tags | |
|---|---|---|---|---|---|---|---|
| pattern | Data Mapper | data-mapper | /patterns/data-mapper/ | Architectural | en |
|
Intent
A layer of mappers that moves data between objects and a database while keeping them independent of each other and the mapper itself
Class diagram
Applicability
Use the Data Mapper in any of the following situations
- when you want to decouple data objects from DB access layer
- when you want to write multiple data retrieval/persistence implementations
