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

Michael Nitschinger on Building a reactive Couc...

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Enterprise Java User Group Austria Enterprise Java User Group Austria
September 29, 2015
Technology
160
0

Michael Nitschinger on Building a reactive Couchbase driver for the JVM

Avatar for Enterprise Java User Group Austria

Enterprise Java User Group Austria

September 29, 2015

More Decks by Enterprise Java User Group Austria

See All by Enterprise Java User Group Austria
Gerrit Grunwald on What the CRaC... SUPERFAST JVM STARTUP
Avatar for Enterprise Java User Group Austria ejug
2
200
Spring Framework 5.2 - Core Container Revisited
Avatar for Enterprise Java User Group Austria ejug
0
180
Andreas Caternberg on Jenkins Pipelines
Avatar for Enterprise Java User Group Austria ejug
0
780
Martin Ahrer on Continuous Delivery Infrastructure With Docker
Avatar for Enterprise Java User Group Austria ejug
0
160
Dirk Mahler on Software Analyse mit jQAssistant & Neo4j
Avatar for Enterprise Java User Group Austria ejug
1
310
Christoph Strobl on Spring Data & Hypermedia
Avatar for Enterprise Java User Group Austria ejug
0
160
Stefan Armbruster on Graph Modelling Antipatterns
Avatar for Enterprise Java User Group Austria ejug
1
140
Stefan Armbruster on Introduction into Neo4J
Avatar for Enterprise Java User Group Austria ejug
1
99
Michael Nitschinger on State of the art JVM networking with Netty
Avatar for Enterprise Java User Group Austria ejug
1
85

Other Decks in Technology

See All in Technology
入門！AWS Blocks
Avatar for Yosuke Suzuki ysuzuki
1
130
AIのReact習熟度を測る
Avatar for uhyo uhyo
2
600
マルチアカウント環境での コーディングエージェントを使った障害調査が大変なので AIエージェントにReadOnly権限を付与してみた / ReadOnly AI Agents for Multi-Account AWS Incident Response
Avatar for Takashi Yamaguchi yamaguchitk333
2
110
AIはどのように 組織のアジリティを変えるのか？
Avatar for J.K junki
4
940
中期計画、2回作ってみた　～業務委託と正社員、両方の視点から～
Avatar for 株式会社出前館 demaecan
1
900
手塩にかけりゃいいってもんじゃない
Avatar for ming ming_ayami
0
590
Kubernetesにおける学習基盤とLLMOpsの概要
Avatar for ry ry
1
310
AIネイティブな開発のサプライチェーンリスク対策 〜激動の開発現場でリスクに立ち向かう〜【ZennFes】
Avatar for サイバーセキュリティクラウド cscengineer
PRO
2
130
気づかぬうちにセキュリティ負債を生むAPIキー運用
Avatar for Michitaka Sugawara sgwrmctk
0
160
Socrates × Looker　〜セマンティックレイヤーで進化するデータ分析エージェント〜
Avatar for Uchide Hiroki(ucchi-) hanon52_
3
2.4k
作って終わりにしない タイミーのセマンティックレイヤー育成の現在地
Avatar for chanyou0311 chanyou0311
4
2.4k
ACE-Step-1.5で見る 音楽生成AIのしくみと“破綻だけ直す”Retake機能の開発【zennfes spring 2026 登壇資料】
Avatar for asap personabb
1
500

Featured

See All Featured
How GitHub (no longer) Works
Avatar for Zach Holman holman
316
150k
Highjacked: Video Game Concept Design
Avatar for Ryan Kendrick rkendrick25
PRO
1
390
How to Build an AI Search Optimization Roadmap - Criteria and Steps to Take #SEOIRL
Avatar for Aleyda Solis aleyda
1
2.1k
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
21
1.5k
コードの90%をAIが書く世界で何が待っているのか / What awaits us in a world where 90% of the code is written by AI
Avatar for r-kagaya rkaga
62
44k
Measuring Dark Social's Impact On Conversion and Attribution
Avatar for Stephen Akadiri stephenakadiri
2
220
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
62k
Documentation Writing (for coders)
Avatar for Carmen Chung carmenintech
77
5.4k
How to optimise 3,500 product descriptions for ecommerce in one day using ChatGPT
Avatar for Katarina Dahlin katarinadahlin
PRO
1
3.6k
How to audit for AI Accessibility on your Front & Back End
Avatar for davetheseo davetheseo
0
430
Navigating Team Friction
Avatar for Lara Hogan lara
192
16k
Primal Persuasion: How to Engage the Brain for Learning That Lasts
Avatar for Mike Taylor tmiket
0
370

Transcript

  1. A  Retrospective:     Couchbase  on  the  JVM   or

     how  we’ve  built  the  first  reactive  driver  and  still  love  it       Michael  Nitschinger,  SDK  Engineer  

  2. ©2015  Couchbase  Inc.   2   Some  History  

  3. ©2015  Couchbase  Inc.   3   Memcached  

  4. ©2015  Couchbase  Inc.   4   Memcached  

  5. ©2015  Couchbase  Inc.   5   Membase  +  CouchOne  =

     

  6. ©2015  Couchbase  Inc.   6   =  Couchbase  

  7. ©2015  Couchbase  Inc.   7   Java  SDK  1.x  

    § Extends  Spymemcached   § Adds  Config  &  View  Capabilities   § Stable  &  Mature   § Old  codebase,  difficult  to  maintain  and  evolve   § API  grew  organically  

  8. ©2015  Couchbase  Inc.   8   Spymemcached   §  Initial

     Work  Started  mid  2006  (Java  5)   §  No  Generics   §  Memcached  ASCII  Protocol  

  9. ©2015  Couchbase  Inc.   9   API  Inconsistencies  

  10. ©2015  Couchbase  Inc.   10   Reworking  the  API  

  11. ©2015  Couchbase  Inc.   11   From  Key  Value  to

     Documents   Key   Value   Views   N1QL   Search   mcd   ✔   1.8   ✔   2.0   ✔   ✔   3.0   ✔   ✔   4.0   ✔   ✔   ✔   .next   ✔   ✔   ✔   ✔  

  12. ©2015  Couchbase  Inc.   12   Reworking  the  API  –

     The  Document  

  13. ©2015  Couchbase  Inc.   13   Reworking  the  API  –

     2.x  

  14. ©2015  Couchbase  Inc.   14   Reworking  the  API  

  15. ©2015  Couchbase  Inc.   15   Rx  Semantics   single

      multiple   sync   T   Iterable<T>   async   Future<T>   Observable<T>  

  16. ©2015  Couchbase  Inc.   16   Rx  Semantics   Event

      Iterable<T>   Observable<T>   data  retrieval   T  next()   onNext(T)   discover  error   throws  Exception   onError(Throwable)   complete   returns   onCompleted()  

  17. ©2015  Couchbase  Inc.   17   Consuming  Observables   17

      §  The  Observer  subscribes     and  receives  events.   §  A  cold  Observable   starts  when  subscribed.   §  onNext  can  be  called   0..N  times  

  18. ©2015  Couchbase  Inc.   18   RxJava:  Creating  Observables  

    just 18  

  19. ©2015  Couchbase  Inc.   19   RxJava:  Creating  Observables  

    19  

  20. ©2015  Couchbase  Inc.   20   RxJava:  Creating  Observables  

    20  

  21. ©2015  Couchbase  Inc.   21   RxJava:  Creating  Observables  

    21  

  22. ©2015  Couchbase  Inc.   22   RxJava:  Creating  Observables  

    22  

  23. ©2015  Couchbase  Inc.   23   RxJava:  Creating  Observables  

    23  

  24. ©2015  Couchbase  Inc.   24   RxJava:  Transforming  Observables  

    24  

  25. ©2015  Couchbase  Inc.   25   RxJava:  Transforming  Observables  

    25  

  26. ©2015  Couchbase  Inc.   26   RxJava:  Transforming  Observables  

    26  

  27. ©2015  Couchbase  Inc.   27   RxJava:  Transforming  Observables  

    27  

  28. ©2015  Couchbase  Inc.   28   RxJava:  Transforming  Observables  

    28  

  29. ©2015  Couchbase  Inc.   29   RxJava:  Transforming  Observables  

    29  

  30. ©2015  Couchbase  Inc.   30   RxJava:  Transforming  Observables  

    30  

  31. ©2015  Couchbase  Inc.   31   RxJava:  Transforming  Observables  

    31  

  32. ©2015  Couchbase  Inc.   32   RxJava:  Transforming  Observables  

    32  

  33. ©2015  Couchbase  Inc.   33   RxJava:  Filtering  Observables  

    33  

  34. ©2015  Couchbase  Inc.   34   RxJava:  Filtering  Observables  

    34  

  35. ©2015  Couchbase  Inc.   35   RxJava:  Filtering  Observables  

    35  

  36. ©2015  Couchbase  Inc.   36   RxJava:  Filtering  Observables  

    36  

  37. ©2015  Couchbase  Inc.   37   Simple  Query   37

     

  38. ©2015  Couchbase  Inc.   38   Parameterized  Query   38

      §  Named  Params  

  39. ©2015  Couchbase  Inc.   39   Parametrized  Query   39

      §  Positional  Params  

  40. ©2015  Couchbase  Inc.   40   Conditional  Index  Creation  

    40  

  41. ©2015  Couchbase  Inc.   41   Coordinated  Fallback   41

     

  42. ©2015  Couchbase  Inc.   42   Coordinated  Retry:  Builder  

    42   §  Declarative  API  instead  of  complicated  retryWhen  

  43. ©2015  Couchbase  Inc.   43   Levelling  up  the  Architecture

     

  44. ©2015  Couchbase  Inc.   44   Why  Reactive?   44

     

  45. ©2015  Couchbase  Inc.   45   Java  !=  JVM  

  46. ©2015  Couchbase  Inc.   46   Architecture  

  47. ©2015  Couchbase  Inc.   47   Smart  Batching  

  48. ©2015  Couchbase  Inc.   48   Backpressure  

  49. ©2015  Couchbase  Inc.   49   Netty  

  50. ©2015  Couchbase  Inc.   50   Netty  –  In  the

     next  Session!