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java-design-patterns/hexagonal/README.md
Ilkka Seppälä b6b2079a10
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Hexagonal Architecture Architectural en
Decoupling

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.

Class diagram

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

Real world examples

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

Credits