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java-design-patterns/data-mapper
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Ilkka Seppälä 417f21ed3d
Code cleanup (#1461) 
* Code cleanup

* Fix flux tests

* Fix checkstyle errors

* Fix compile error
2020-07-30 20:28:47 +03:00
..
etc
#1113 Add uml-reverse-mapper plugin
2019-12-07 18:03:49 +02:00
src
Code cleanup (#1461)
2020-07-30 20:28:47 +03:00
pom.xml
Issue 989 batch-2 (#1108)
2019-12-18 22:04:08 +02:00
README.md
https://github.com/iluwatar/java-design-patterns-web/issues/8 Update pattern categories and tags
2019-12-13 21:09:28 +02:00

README.md

layout, title, folder, permalink, categories, tags
layout title folder permalink categories tags
pattern Data Mapper data-mapper /patterns/data-mapper/ Architectural
Decoupling

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

alt text

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

Credits