Data processing components architecture in mobile applications

This slides will briefly show you about 2 most used data access layer designs in mobile application

Transcript

1. Data processing components architecture in mobile applications Malakhovskyi Vitalii iOS Developer @
2. Why?
3. Can we talk about architecture? OИ
4. Benefits: - you know what to do - code review - it saves your time - better code
5. The type of application you are building: Business Logic CRUD Active Record Data Mapper
6. Active Record
7. id name surname 1 Vasya Bananoshvili 2 Evgen Lypan
8. Active Record Instance - create - save - delete - findBy - validate - work - firstName - lastName
10. Domain Data Presentation View Model
11. Advantages: - easy to use - easy to implement
12. Disadvantages: - violates SRP - hard to unit test
13. Data Mapper
14. Business Object - firstName - lastName - middleName
15. Antenna Antenna Adapter Cloud Adapter Magic Adapter Application How it works? Cloud Magic
16. Data Access Object or Data Mapper Data Mapper Instance Data Source Parser Application < CRUD > JSON Serializer JSON Object JSON Object Object
18. Database Mapper Network Mapper Mapper with strategy ? Strategy
19. Magic Mapper Mapper Repository Parser / Serializer Cloud Mapper Antenna Mapper Parser / Serializer Parser / Serializer
20. Advantages: - separation of concerns - allows easy unit testing
21. Disadvantages: - adds another layer of abstraction
23. Conclusion Data mapper better Active Record Active Record better Data mapper
24. “Architecture is about intent, not frameworks” - Robert C. Martin
25. Thank you!
26. Contact me: purpleshirted crimsongf Vitaliy Malakhovskiy
27. 1. Martin Fowler - Presentation Domain Data Layering http://martinfowler.com/bliki/PresentationDomainDataLayering.html 2. Active Record vs. Data Mapper http://culttt.com/2014/06/18/whats-difference-active-record-data-mapper/ 3. The Clean Architecture http://blog.8thlight.com/uncle-bob/2012/08/13/the-clean-architecture.html What to read?