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layout pattern
title Hexagonal Architecture
folder hexagonal
permalink /patterns/hexagonal/
categories Architectural
tags
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

  • it is important that the application is fully testable
  • you use Domain Driven Design methodology and/or Microservices architectural style

Real world examples

Credits