Hypermedia Primer

Transcript

1. Quickest Primer Ever For Hypermedia

2. REST stands for...?

3. Representational State Transfer

4. First, what REST is not

5. What REST Isn't 1. CRUD 2. Pretty URLs 3. JSON

   4. HTTP Verbs

6. It is not about exposing your database

7. But we design apps this way

8. None
9. None

10. If we use a state machine, then how do we

    transfer state from server to client?

11. Instead of transfering state, we transfer representations of state

12. Hence, Representational State Transfer

13. But what about state transitions?

14. Hypermedia

15. HATEOAS Hypermedia as the the engine of application state

16. The client relies on the server to tell it what

    it can do

17. Affordances

18. Example: Beer glass

19. Beer Glass: Empty State 1. Drink? No 2. Add beer?

    Yes 3. Complain of lack of beer? Yes

20. Beer Glass: Half Full State 1. Drink? Yes 2. Add

    beer? Yes 3. Complain of lack of beer? Yes

21. Beer Glass: Full State 1. Drink? Yes 2. Add beer?

    No 3. Complain of lack of beer? No

22. Code time