The book you are looking for, Designing Hexagonal Architecture with Java by Davi Vieira, was published by Packt Publishing
Designing Hexagonal Architecture with Java - Second Edition - OReilly
To illustrate the design of a hexagonal architecture with Java, let's consider a simple feature: User Authentication.
Warning: If you find a PDF claiming to be the exact copy of "Designing Hexagonal Architecture with Java" (ISBN 978-1617294545) for free, it is likely pirated. Support the authors who push Java forward.
package com.myapp.domain.ports.inbound;
- "Hexagonal Architecture: A Design Pattern for Java Applications" by Alistair Cockburn
- "Clean Architecture: A Craftsman's Guide to Software Structure and Design" by Robert C. Martin
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Hexagonal Architecture, first introduced by Alistair Cockburn, aims to decouple the core logic of an application from external concerns like databases, user interfaces, and third-party services. The "hexagon" represents the application's core, which communicates with the outside world through "ports" (interfaces) and "adapters" (implementations). Core Components
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