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
0
110
Michael Nitschinger on Building a reactive Couchbase driver for the JVM
Enterprise Java User Group Austria
September 29, 2015
Tweet
Share
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
110
Spring Framework 5.2 - Core Container Revisited
ejug
0
130
Andreas Caternberg on Jenkins Pipelines
ejug
0
590
Martin Ahrer on Continuous Delivery Infrastructure With Docker
ejug
0
130
Dirk Mahler on Software Analyse mit jQAssistant & Neo4j
ejug
1
240
Christoph Strobl on Spring Data & Hypermedia
ejug
0
90
Stefan Armbruster on Graph Modelling Antipatterns
ejug
1
97
Stefan Armbruster on Introduction into Neo4J
ejug
1
80
Michael Nitschinger on State of the art JVM networking with Netty
ejug
1
55
Other Decks in Technology
See All in Technology
クラウドネイティブ環境の脅威モデリング
kyohmizu
2
410
Part1 GitHubってなんだろう?その1
tomokusaba
3
780
さくらのクラウド開発の裏側
metakoma
PRO
4
1.8k
Part2 GitHub Copilotってなんだろう
tomokusaba
2
780
Developer 以外にこそ使って欲しい Amazon Q Developer
mita
0
110
MagicPod MCPサーバー開発の裏側とAIエージェント活用の展望
magicpod
0
140
Azure & DevSecOps
kkamegawa
2
180
MagicPodが描くAIエージェント戦略とソフトウェアテストの未来
magicpod
0
150
20250514 1Passwordを使い倒す道場 vol.1
east_takumi
0
100
続・やっぱり余白が大切だった話
kakehashi
PRO
3
320
雑に疎通確認だけしたい...せや!CloudShell使ったろ!
alchemy1115
0
220
Global Azure2025(GitHub Copilot ハンズオン)
tomokusaba
2
760
Featured
See All Featured
Bash Introduction
62gerente
613
210k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
12k
Adopting Sorbet at Scale
ufuk
76
9.4k
RailsConf 2023
tenderlove
30
1.1k
We Have a Design System, Now What?
morganepeng
52
7.6k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
How GitHub (no longer) Works
holman
314
140k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
5
600
How to Think Like a Performance Engineer
csswizardry
23
1.6k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
179
53k
Building Applications with DynamoDB
mza
94
6.4k
Git: the NoSQL Database
bkeepers
PRO
430
65k
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!