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Spring for the Architecturally Curious Developer

Oliver Drotbohm
November 09, 2022
Programming
5
1.7k

Spring for the Architecturally Curious Developer

Oliver Drotbohm

November 09, 2022
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Transcript

  1. SPRING FOR ARCHITECTURALLY CURIOUS DEVELOPERS Oliver Drotbohm [email protected] / odrotbohm

  2. None

  3. Coming in 2023… Follow @mawspring on

  4. The Domain

  5. Orders Inventory Order Line items Stock Inventory items

  6. Unfortunately, Post-its don't run in production…

  7. Unfortunately, Post-its don't run in production… … except you work

    at Miro.
  8. None
  9. None

  10. Awesome! ! Now… what? "

  11. Let's get started… src/main/java ….acme.myproject ….acme.myproject.domain ….acme.myproject.persistence ….acme.myproject.service ….acme.myproject.web

  12. None

  13. Let's get started… src/main/java ….acme.myproject ….acme.myproject.domain ….acme.myproject.persistence ….acme.myproject.service ….acme.myproject.web #$

  14. via https://devopedia.org/cohesion-vs-coupling

  15. Domain Based Structure Domain Based Boundaries via Dan North –

    CUPID—for joyful coding Video cast episode @ Software Architektur im Stream (english)

  16. src/main/java ….acme.myproject ….acme.myproject.customer ….acme.myproject.inventory ….acme.myproject.order Much better… %!

  17. via https://devopedia.org/cohesion-vs-coupling

  18. Web Business logic Data access @Repository Order Inventory … @Controller

    @Service Verification? Testing? Documentation? Observation?
  19. None

  20. Sample code https://github.com/odrotbohm/arch-evident-spring

  21. Demo time! &!

  22. Error Scenarios Transactional Event Listeners

  23. @EventListener @EventListener … @TransactionalEventListener @TransactionalEventListener … @Transactional Event Event Commit

    Consistency boundary Spring bean Legend

  24. Error scenarios

  25. What if a transactional event listener fails? "

  26. @EventListener @EventListener … @TransactionalEventListener @TransactionalEventListener … @Transactional Event Event Commit

    Consistency boundary Spring bean Legend Publication lost! ) '(

  27. Event Publication Registry

  28. @TransactionalEventListener @TransactionalEventListener … Event @TransactionalEventListener … @TransactionalEventListener … Transaction Commit

  29. Demo time! &!

  30. Spring Modulith A convention to map modules to packages Simple

    set of access rules and API to verify Test support to bootstrap modules Documentation support Observability support

  31. Thank you! Questions? Oliver Drotbohm [email protected] odrotbohm Sample Code