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
98
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
1
66
Spring Framework 5.2 - Core Container Revisited
ejug
0
110
Andreas Caternberg on Jenkins Pipelines
ejug
0
440
Martin Ahrer on Continuous Delivery Infrastructure With Docker
ejug
0
110
Dirk Mahler on Software Analyse mit jQAssistant & Neo4j
ejug
0
190
Christoph Strobl on Spring Data & Hypermedia
ejug
0
78
Stefan Armbruster on Graph Modelling Antipatterns
ejug
0
85
Stefan Armbruster on Introduction into Neo4J
ejug
0
64
Michael Nitschinger on State of the art JVM networking with Netty
ejug
1
47
Other Decks in Technology
See All in Technology
巨大企業でDX革新を起こすということ BTCONJP 2024
yamaken66
0
220
本番のトラフィック量でHudiを検証して見えてきた課題
joker1007
2
270
RDS for Db2 データ移行編 - Part2:S3経由のバックアップ・リストアでデータ移行 /20241011-RDSforDb2-dojo
mayumihirano
0
140
Cosmos DB で持続可能な RAG を実現しよう!~ AOAI Dev Day ふりかえりを添えて / Sustainable RAG with Cosmos DB with recap AOAI Dev Day
miyake
0
180
Vue.js、Nuxtの機能を使い、 大量のコピペコードをリファクタリングする
igayamaguchi
3
1.4k
Demystifying Vite Internals
nozomuikuta
3
760
暴カワでビデオシンセサイザーを導入する技術
yuchi
2
130
外部カンファレンスで登壇しよう! 〜「強い」エンジニアへの一歩を踏み出す〜
logica0419
4
140
Oracle Base Database Service 技術詳細
oracle4engineer
PRO
5
48k
太田博三(@usagisan2020)
otanet
0
150
エンジニア向け会社紹介資料
caddi_eng
14
270k
実は仲良し?Amplify Gen2と生成AI
mkdev10
0
150
Featured
See All Featured
Designing Experiences People Love
moore
138
23k
Fashionably flexible responsive web design (full day workshop)
malarkey
404
65k
Building Your Own Lightsaber
phodgson
102
6k
Making Projects Easy
brettharned
115
5.9k
It's Worth the Effort
3n
183
27k
Producing Creativity
orderedlist
PRO
341
39k
StorybookのUI Testing Handbookを読んだ
zakiyama
26
5.2k
Optimising Largest Contentful Paint
csswizardry
31
2.9k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
355
29k
For a Future-Friendly Web
brad_frost
174
9.4k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
26
2k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
40
2.1k
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!