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java-design-patterns/hexagonal
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Per Wramdemark 218ba44dbf Upgrade of maven plugins (#951) 
* Upgrade maven plugins

* Upgrade maven plugins

Some general code cleanup was necessary due to upgrade of PMD and checkstyle.

Also needed to add Junit 4 as a dependency due to Mockito.timout issue found here:
https://github.com/mockito/mockito/issues/152
2019-10-05 14:23:20 +03:00
..
etc
#190 Remove urm plugin
2017-11-28 20:55:52 +02:00
src
Upgrade of maven plugins (#951)
2019-10-05 14:23:20 +03:00
pom.xml
Set version for next development iteration
2019-09-08 11:01:12 +03:00
README.md
#190 Remove pumlids from readmes
2017-11-28 21:28:53 +02:00

README.md

layout, title, folder, permalink, pumlformat, categories, tags
layout title folder permalink pumlformat categories tags
pattern Hexagonal Architecture hexagonal /patterns/hexagonal/ svg Architectural
Java
Difficulty-Expert

Also known as

  • Ports and Adapters
  • Clean Architecture
  • Onion Architecture

Intent

Allow an application to equally be driven by users, programs, automated test or batch scripts, and to be developed and tested in isolation from its eventual run-time devices and databases.

Hexagonal Architecture class diagram

Applicability

Use Hexagonal Architecture pattern when

  • When the application needs to be independent of any frameworks
  • When it is important that the application highly maintainable and fully testable

Tutorials

Presentations

Real world examples

  • Apache Isis builds generic UI and REST API directly from the underlying domain objects

Credits