Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Michael Nitschinger on Building a reactive Couc...
Search
Enterprise Java User Group Austria
September 29, 2015
Technology
150
0
Share
Michael Nitschinger on Building a reactive Couchbase driver for the JVM
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
ejug
2
180
Spring Framework 5.2 - Core Container Revisited
ejug
0
170
Andreas Caternberg on Jenkins Pipelines
ejug
0
760
Martin Ahrer on Continuous Delivery Infrastructure With Docker
ejug
0
160
Dirk Mahler on Software Analyse mit jQAssistant & Neo4j
ejug
1
300
Christoph Strobl on Spring Data & Hypermedia
ejug
0
150
Stefan Armbruster on Graph Modelling Antipatterns
ejug
1
130
Stefan Armbruster on Introduction into Neo4J
ejug
1
90
Michael Nitschinger on State of the art JVM networking with Netty
ejug
1
69
Other Decks in Technology
See All in Technology
Introduction to Sansan for Engineers / エンジニア向け会社紹介
sansan33
PRO
6
74k
NOSTR, réseau social et espace de liberté décentralisé
rlifchitz
0
160
Zero-Downtime Migration: Moving a Massive, Historic iOS App from CocoaPods to SPM and Tuist without Stopping Feature Delivery
kagemiku
0
230
AI前提とはどういうことか
daisuketakeda
0
180
生成AI時代のエンジニア育成 変わる時代と変わらないコト
starfish719
0
650
Master Dataグループ紹介資料
sansan33
PRO
1
4.6k
Sansan Engineering Unit 紹介資料
sansan33
PRO
1
4.2k
Data Hubグループ 紹介資料
sansan33
PRO
0
2.9k
今年60歳のおっさんCBになる
kentapapa
1
370
Contract One Engineering Unit 紹介資料
sansan33
PRO
0
16k
Azure Lifecycle with Copilot CLI
torumakabe
3
620
【Findy FDE登壇_2026_04_14】— 現場課題を本気で解いてたら、FDEになってた話
miyatakoji
0
1k
Featured
See All Featured
Documentation Writing (for coders)
carmenintech
77
5.3k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
34
2.7k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
31
3.1k
We Are The Robots
honzajavorek
0
210
Getting science done with accelerated Python computing platforms
jacobtomlinson
2
160
B2B Lead Gen: Tactics, Traps & Triumph
marketingsoph
0
100
Facilitating Awesome Meetings
lara
57
6.8k
Prompt Engineering for Job Search
mfonobong
0
260
What the history of the web can teach us about the future of AI
inesmontani
PRO
1
520
Redefining SEO in the New Era of Traffic Generation
szymonslowik
1
270
The Director’s Chair: Orchestrating AI for Truly Effective Learning
tmiket
1
150
Crafting Experiences
bethany
1
110
Transcript
A Retrospective: Couchbase on the JVM or
how we’ve built the first reactive driver and still love it Michael Nitschinger, SDK Engineer
©2015 Couchbase Inc. 2 Some History
©2015 Couchbase Inc. 3 Memcached
©2015 Couchbase Inc. 4 Memcached
©2015 Couchbase Inc. 5 Membase + CouchOne =
©2015 Couchbase Inc. 6 = Couchbase
©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
©2015 Couchbase Inc. 8 Spymemcached § Initial
Work Started mid 2006 (Java 5) § No Generics § Memcached ASCII Protocol
©2015 Couchbase Inc. 9 API Inconsistencies
©2015 Couchbase Inc. 10 Reworking the API
©2015 Couchbase Inc. 11 From Key Value to
Documents Key Value Views N1QL Search mcd ✔ 1.8 ✔ 2.0 ✔ ✔ 3.0 ✔ ✔ 4.0 ✔ ✔ ✔ .next ✔ ✔ ✔ ✔
©2015 Couchbase Inc. 12 Reworking the API –
The Document
©2015 Couchbase Inc. 13 Reworking the API –
2.x
©2015 Couchbase Inc. 14 Reworking the API
©2015 Couchbase Inc. 15 Rx Semantics single
multiple sync T Iterable<T> async Future<T> Observable<T>
©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()
©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
©2015 Couchbase Inc. 18 RxJava: Creating Observables
just 18
©2015 Couchbase Inc. 19 RxJava: Creating Observables
19
©2015 Couchbase Inc. 20 RxJava: Creating Observables
20
©2015 Couchbase Inc. 21 RxJava: Creating Observables
21
©2015 Couchbase Inc. 22 RxJava: Creating Observables
22
©2015 Couchbase Inc. 23 RxJava: Creating Observables
23
©2015 Couchbase Inc. 24 RxJava: Transforming Observables
24
©2015 Couchbase Inc. 25 RxJava: Transforming Observables
25
©2015 Couchbase Inc. 26 RxJava: Transforming Observables
26
©2015 Couchbase Inc. 27 RxJava: Transforming Observables
27
©2015 Couchbase Inc. 28 RxJava: Transforming Observables
28
©2015 Couchbase Inc. 29 RxJava: Transforming Observables
29
©2015 Couchbase Inc. 30 RxJava: Transforming Observables
30
©2015 Couchbase Inc. 31 RxJava: Transforming Observables
31
©2015 Couchbase Inc. 32 RxJava: Transforming Observables
32
©2015 Couchbase Inc. 33 RxJava: Filtering Observables
33
©2015 Couchbase Inc. 34 RxJava: Filtering Observables
34
©2015 Couchbase Inc. 35 RxJava: Filtering Observables
35
©2015 Couchbase Inc. 36 RxJava: Filtering Observables
36
©2015 Couchbase Inc. 37 Simple Query 37
©2015 Couchbase Inc. 38 Parameterized Query 38
§ Named Params
©2015 Couchbase Inc. 39 Parametrized Query 39
§ Positional Params
©2015 Couchbase Inc. 40 Conditional Index Creation
40
©2015 Couchbase Inc. 41 Coordinated Fallback 41
©2015 Couchbase Inc. 42 Coordinated Retry: Builder
42 § Declarative API instead of complicated retryWhen
©2015 Couchbase Inc. 43 Levelling up the Architecture
©2015 Couchbase Inc. 44 Why Reactive? 44
©2015 Couchbase Inc. 45 Java != JVM
©2015 Couchbase Inc. 46 Architecture
©2015 Couchbase Inc. 47 Smart Batching
©2015 Couchbase Inc. 48 Backpressure
©2015 Couchbase Inc. 49 Netty
©2015 Couchbase Inc. 50 Netty – In the
next Session!