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
120
Spring Framework 5.2 - Core Container Revisited
ejug
0
130
Andreas Caternberg on Jenkins Pipelines
ejug
0
620
Martin Ahrer on Continuous Delivery Infrastructure With Docker
ejug
0
130
Dirk Mahler on Software Analyse mit jQAssistant & Neo4j
ejug
1
260
Christoph Strobl on Spring Data & Hypermedia
ejug
0
93
Stefan Armbruster on Graph Modelling Antipatterns
ejug
1
100
Stefan Armbruster on Introduction into Neo4J
ejug
1
81
Michael Nitschinger on State of the art JVM networking with Netty
ejug
1
56
Other Decks in Technology
See All in Technology
Amazon S3標準/ S3 Tables/S3 Express One Zoneを使ったログ分析
shigeruoda
4
550
Amazon Bedrockで実現する 新たな学習体験
kzkmaeda
2
610
OpenHands🤲にContributeしてみた
kotauchisunsun
1
470
GeminiとNotebookLMによる金融実務の業務革新
abenben
0
240
JEDAI Databricks Free Editionもくもく会
taka_aki
1
100
「Chatwork」の認証基盤の移行とログ活用によるプロダクト改善
kubell_hr
1
200
Oracle Audit Vault and Database Firewall 20 概要
oracle4engineer
PRO
3
1.7k
Claude Code Actionを使ったコード品質改善の取り組み
potix2
PRO
6
2.4k
CursorによるPMO業務の代替 / Automating PMO Tasks with Cursor
motoyoshi_kakaku
0
360
Understanding_Thread_Tuning_for_Inference_Servers_of_Deep_Models.pdf
lycorptech_jp
PRO
0
140
rubygem開発で鍛える設計力
joker1007
2
220
Microsoft Build 2025 技術/製品動向 for Microsoft Startup Tech Community
torumakabe
2
300
Featured
See All Featured
Docker and Python
trallard
44
3.4k
Adopting Sorbet at Scale
ufuk
77
9.4k
Thoughts on Productivity
jonyablonski
69
4.7k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
The Pragmatic Product Professional
lauravandoore
35
6.7k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
Designing for humans not robots
tammielis
253
25k
Automating Front-end Workflow
addyosmani
1370
200k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
46
9.6k
Producing Creativity
orderedlist
PRO
346
40k
The Straight Up "How To Draw Better" Workshop
denniskardys
234
140k
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!