Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Co(ol)routines - Javaforum Q1

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Ola Petersson Ola Petersson
February 21, 2019
Education
0
140

Co(ol)routines - Javaforum Q1

Slides for the javaforum gbg q1 presentation

Avatar for Ola Petersson

Ola Petersson

February 21, 2019
Tweet

More Decks by Ola Petersson

See All by Ola Petersson
NDC_Oslo__DevOps_in_Real_Life_-_A_How_To.pdf
Avatar for Ola Petersson olbpetersson
0
70
Coolroutines - non-blocking Kotlin
Avatar for Ola Petersson olbpetersson
0
90
JWTB - Begin EventSourcing With Lagom
Avatar for Ola Petersson olbpetersson
0
110
Begin EventSourcing with Lagom - Javaforum Q4 2017
Avatar for Ola Petersson olbpetersson
0
81
Begin Event Sourcing with Lagom
Avatar for Ola Petersson olbpetersson
2
190
JavaOne - Reactive Java EE
Avatar for Ola Petersson olbpetersson
0
150
JHipster - The best way to breed a new app
Avatar for Ola Petersson olbpetersson
0
840
Reactive Java EE
Avatar for Ola Petersson olbpetersson
0
360

Other Decks in Education

See All in Education
SJRC 2526
Avatar for cbtlibrary cbtlibrary
0
200
HTML5 and the Open Web Platform - Lecture 3 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
2
3.2k
【ベテランCTOからのメッセージ】AIとか組織とかキャリアとか気になることはあるけどさ、個人の技術力から目を背けないでやっていきましょうよ
Avatar for Toshiaki Baba netmarkjp
2
2.8k
AIは若者の成長機会を奪うのか？
Avatar for Frieve-A frievea
0
180
NUTMEG紹介スライド
Avatar for Mugicha mugiiicha
0
910
栃木県警サイバーセキュリティ研修会2026
Avatar for Nomizo Nomizo nomizone
0
190
子どものためのプログラミング道場『CoderDojo』〜法人提携例〜 / Partnership with CoderDojo Japan
Avatar for CoderDojo Japan coderdojojapan
PRO
4
18k
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.2k
The World That Saved Me: A Story of Community and Gratitude
Avatar for hashimo2 _hashimo2
3
510
1014
Avatar for cbtlibrary cbtlibrary
0
530
0121
Avatar for cbtlibrary cbtlibrary
0
120
MySmartSTEAM 2526
Avatar for cbtlibrary cbtlibrary
0
190

Featured

See All Featured
Bootstrapping a Software Product
Avatar for Garrett Dimon garrettdimon
PRO
307
120k
GitHub's CSS Performance
Avatar for Jon Rohan jonrohan
1032
470k
Design in an AI World
Avatar for tapps tapps
0
140
Evolving SEO for Evolving Search Engines
Avatar for Ryan Jones ryanjones
0
130
16th Malabo Montpellier Forum Presentation
Avatar for AKADEMIYA2063 akademiya2063
PRO
0
51
WENDY [Excerpt]
Avatar for Tessa Abrams tessaabrams
9
36k
Leo the Paperboy
Avatar for Maya Tellez mayatellez
4
1.4k
The Mindset for Success: Future Career Progression
Avatar for Greg Gifford greggifford
PRO
0
240
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
Avatar for Sara Fernández Carmona sarafernandez
0
120
Intergalactic Javascript Robots from Outer Space
Avatar for Vicent Martí tanoku
273
27k
The Pragmatic Product Professional
Avatar for Laura Van Doore lauravandoore
37
7.1k
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
Avatar for Aleyda Solis aleyda
1
1.1k

Transcript

  1. CO(OL)ROUTINES NON-BLOCKING KOTLIN

  2. OLA PETERSSON @gotoola [email protected]

  3. None

  4. JUNE, 2018 MISSION: TOP SECRET

  5. TOTWOWITOTTOTEROR

  6. T.W.I.T.T.E.R

  7. “EVERY SECOND, ON AVERAGE, AROUND 6,000 T.W.E.E.T.S. ARE TWEETED ON

    T.W.I.T.T.E.R.”

  8. SO WE NEED TO BE FAST

  9. None
  10. None
  11. None

  12. COROUTINES

  13. COROUTINES ARE LIGHTWEIGHT THREADS

  14. THREAD

  15. THREAD

  16. COROUTINE

  17. COROUTINE

  18. @SinceKotlin("1.1") public interface Continuation<in T> { public val context: CoroutineContext

    public fun resume(value: T) public fun resumeWithException(e: Throwable) }

  19. public static Object getPizzaSlices(@NotNull Continuation c)

  20. None
  21. None

  22. HOW DO WE WRITE ASYNC CODE?

  23. DO YOU EVEN SPEAK FUTURE?

  24. SHARED MUTABLE STATE

  25. COROUTINESCOPE AND LIFECYCLES

  26. NOW WHAT? STRUCTURED CONCURRENCY COROUTINE SCOPE DISPATCHERS (THREAD POOLS) KTOR

    - A KOTLIN FRAMEWORK

  27. HTTP://SLIDES.OLAPETERSSON.SE

  28. HTTP://KOTLIN.OLAPETERSSON.SE

  29. THANKS!