Extreme Isolation (Lightning talk)

Slides for a lightning talk given at Barcuo 2013.

Transcript

1. EXTREME ISOLATION @chrismdp Sunday, 15 September 13
2. PROBLEM Sunday, 15 September 13
3. baz bar foo quux eke baz bar foo quux eke baz bar foo quux eke baz bar foo quu eke baz bar foo quux eke foo quux bar quux eke bar eke bar foo quux baz eke baz bar foo Sunday, 15 September 13
4. ACTOR MODEL OF CONCURRENCY Separating Arrangement and Work Sunday, 15 September 13
5. baz bar foo quux eke Sunday, 15 September 13
6. bar foo POROs baz calling code handles the arrangement objects handle the work, don’t know about others objects can be called in any order POROs POROs Sunday, 15 September 13
7. HEXAGONAL RAILS Ports and Adaptors Sunday, 15 September 13
8. persistence web mailer view controller domain Sunday, 15 September 13
9. persistence web mailer view controller domain Sunday, 15 September 13
10. persistence web Plain Ruby representing your domain mailer Sunday, 15 September 13
11. EXTREME ISOLATION Sunday, 15 September 13
12. domain persistence Person Sunday, 15 September 13
13. Person Repository Person PORO Sunday, 15 September 13
14. Person Repository Person Sunday, 15 September 13
15. PersonRepository PersonValidator Person Web Handler Mongo web page request Request Handler InvalidPerson UpdatePerson Sunday, 15 September 13
16. put “person/:slug” do |slug| updated_person = find(slug). with_description(params[:description]). with_topics([params[:topics]) queue = PersonValidator.new.validate(updated_person) queue = PersonEditor.new(slug).pipe(queue) PersonMongoRepository.apply(queue) SinatraResponder.apply(queue) end Sunday, 15 September 13
17. BENEFITS Sunday, 15 September 13
18. EACH OBJECT IS INDEPENDENT Dealing with value objects on the edges Sunday, 15 September 13
19. UpdatePerson Web Handler web page InvalidPerson Sunday, 15 September 13
20. PersonRepository UpdatePerson Mongo InvalidPerson Sunday, 15 September 13
21. IMMUTABLE VALUE OBJECTS Freeze is your friend Sunday, 15 September 13
22. EXAMPLE ON GITHUB http://github.com/thinkcodelearn/discover Sunday, 15 September 13
23. BLOG SERIES http://chrismdp.com Sunday, 15 September 13
24. THANKS @chrismdp Sunday, 15 September 13