42 lines
1.3 KiB
Markdown
42 lines
1.3 KiB
Markdown
---
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layout: pattern
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title: Hexagonal Architecture
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folder: hexagonal
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permalink: /patterns/hexagonal/
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pumlformat: svg
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categories: Architectural
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tags:
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- Java
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- Difficulty-Expert
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---
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## Also known as
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* Ports and Adapters
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* Clean Architecture
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* Onion Architecture
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## Intent
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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.
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## Applicability
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Use Hexagonal Architecture pattern when
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* When the application needs to be independent of any frameworks
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* When it is important that the application highly maintainable and fully testable
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## Tutorials
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* [Build Maintainable Systems With Hexagonal Architecture](http://java-design-patterns.com/blog/build-maintainable-systems-with-hexagonal-architecture/)
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## Presentations
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* [Hexagonal Architecture](https://github.com/iluwatar/java-design-patterns/tree/master/hexagonal/etc/presentation.html)
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## Real world examples
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* [Apache Isis](https://isis.apache.org/) builds generic UI and REST API directly from the underlying domain objects
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## Credits
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* [Alistair Cockburn - Hexagonal Architecture](http://alistair.cockburn.us/Hexagonal+architecture)
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