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
RxNight
Search
mattak
November 19, 2015
Programming
0
100
RxNight
2015-11-19
mattak
November 19, 2015
Tweet
Share
More Decks by mattak
See All by mattak
最近やった作業環境改善施策10個
mattak
0
220
UnixTime is Simple
mattak
0
140
おっさんが停滞しないために
mattak
32
18k
tech invest
mattak
1
290
Nodux - node base redux framework
mattak
0
1.3k
what_is_technical_investment
mattak
0
110
unitypackage distribution
mattak
0
720
Unity energy usage
mattak
0
770
Unidux 0.3.1
mattak
1
350
Other Decks in Programming
See All in Programming
単体テストを書かない技術 #phpcon_odawara
o0h
PRO
25
7.7k
本格ローグライク制作にEbitengineを選んでみた
nagainaganawa
0
290
HUIT新歓2024「競技プログラミング、やってみませんか?」
slephy2784
1
250
甘い香りに誘われてVanilla Extractを1年間運用してみた
miyahkun
1
110
エンターテイメント業界で利用されるAWS
demuyan
0
200
Ruby製社内ツールのGo移行
bgpat
2
330
Site Reliability Engineering for GMO
pyama86
6
840
pixivアプリでマルチモジュールを実現するまで
gatosyocora
1
130
ドメイン・ファーストで考える問題解決に役立つモデル設計 / Domain First Model Design
suzushin54
2
2.1k
元気予報
suu_mire0726
0
850
From Spring Boot 2 to Spring Boot 3 with Java 22 and Jakarta EE
ivargrimstad
0
860
二郎系ラーメンのコールで学ぶ AST 解析
memory1994
PRO
7
1.6k
Featured
See All Featured
How GitHub (no longer) Works
holman
304
140k
Into the Great Unknown - MozCon
thekraken
10
980
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
15
1.4k
10 Git Anti Patterns You Should be Aware of
lemiorhan
645
57k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
34
8.8k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
29
6k
Facilitating Awesome Meetings
lara
40
5.6k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
243
20k
Bash Introduction
62gerente
604
210k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
118
38k
The World Runs on Bad Software
bkeepers
PRO
61
6.7k
What’s in a name? Adding method to the madness
productmarketing
PRO
15
2.6k
Transcript
Reactive Practices at Kotlin 2015/11/05 RxNight @mattak
RxJava+KotlinͰͷ tipsհ͢ΔΑ
1.notNull() -ɹnullͰͳ͍ͷΛ௨͢ -
%FpOJUJPO GVO50CTFSWBCMF5 OPU/VMM 0CTFSWBCMF5\ SFUVSOUIJTpMUFS\JUOVMM^NBQ\JU^ ^ 6TBHF WBMPCTFSWBCMF0CTFSWBCMFKVTU OVMM
OPU/VMM PCTFSWBCMFTVCTDSJCF\ QSJOUMO JU ^
2.retry() -ɹࣦഊͯ͠·ͨsubscribe -
CVUUPO$MJDL qBU.BQ\OFUXPSL3FRVFTU ^ࣦഊ͢ΔͱAPO&SSPS A SFUSZ PO&SSPS͕ݺΕͯSFUSZͰ࠶ͼTVCTDSJCF͞ΕΔ TVCTDSJCF\ PO/FYU࣌ͷॲཧ ^
3.doOnNext() -ɹ෭࡞༻Λ༩͑Δ -
0CTFSWBCMFKVTU EP0O/FYU\-PHW %( PO/FYU JU
^ EP0O&SSPS\-PHW %( PO&SSPS JU ^ EP0O$PNQMFUFE\-PHW %( PO$PNQMFUFE ^ EP0O&BDI\-PHW %( PO&BDI JU ^ TVCTDSJCF\^ // σόοΫ͢Δͱ͖ʹศར
4.CompositeSubscription -ɹsubscriptionΛ·ͱΊΔ -
WBMTVCTDSJQUJPO0CTFSWBCMFKVTU TVCTDSJCF\^ WBMTVCTDSJQUJPO0CTFSWBCMFKVTU B C D TVCTDSJCF\^
WBMDPNQPTJUF4VCTDSJQUJPO$PNQPTJUF4VCTDSJQUJPO DPNQPTJUF4VCTDSJQUJPOBEE TVCTDSJQUJPO DPNQPTJUF4VCTDSJQUJPOBEE TVCTDSJQUJPO DPNQPTJUF4VCTDSJQUJPOVOTVCTDSJCF // Ұؾʹunsubscribe͢Δͱ͖ʹศར
5.onErrorResumeNext -ɹerrorΛແࢹ͍ͨ͠ -
QVCMJDPCKFDU3FTPVSDFT&SSPS\ WBMFSSPS1VCMJTI4VCKFDU5ISPXBCMFCZMB[Z\1VCMJTI4VCKFDUDSFBUF5ISPXBCMF ^ ^ GVO50CTFSWBCMF5JOUFSDFQU/FUXPSL&SSPS 0CTFSWBCMF5\ SFUVSOUIJT EP0O&SSPS\JG JUJT3FUSPpU&SSPS
3FTPVSDFT&SSPSFSSPSPO/FYU JU ^ PO&SSPS3FTVNF/FYU\JG JUJT3FUSPpU&SSPS 0CTFSWBCMFFNQUZ FMTFUISPXJU^ ^ // Network errorΛ interceptͯ͠௨
6.combineAndDispose -ɹൃՐͤͭͭ͞ແࢹ͍ͨ͠ -
GVO5 30CTFSWBCMF5DPNCJOF"OE%JTQPTF TJHOBM0CTFSWBCMF0CTFSWBCMF3 0CTFSWBCMF5\ SFUVSO0CTFSWBCMFDPNCJOF-BUFTU UIJT TJHOBM0CTFSWBCMF \EBUB TJHOBMEBUB^
^ // Definition GVODIFDL&SSPS 0CTFSWBCMF*OU\ SFUVSO0CTFSWBCMF FSSPS*OU *MMFHBM4UBUF&YDFQUJPO TUBUFJTXSPOH ^ GVOFYFDVUF 0CTFSWBCMF*OU\ SFUVSO0CTFSWBCMF KVTU DPNCJOF"OE%JTQPTF DIFDL&SSPS ^ // Usage: ΤϥʔνΣοΫ͚͍ͩͨ͠
7.MergeReactiveProperty -ɹmergeͭͭ͠ɺΛอ͍࣋ͨ͠ -
// Definition DMBTT.FSHF3FBDUJWF1SPQFSUZ5"OZ QSJWBUFWBMDPODBU0CTFSWBCMF0CTFSWBCMF5 \ QSJWBUFMBUFJOJUWBSWBMVF5 QSJWBUFWBMDIBOOFM#FIBWJPS4VCKFDUDSFBUF5 QSJWBUFWBSEJSUZGBMTF
GVOHFU 5\SFUVSOWBMVF^ GVOTFU OFX7BMVF5 \ WBMVFOFX7BMVF DIBOOFMPO/FYU OFX7BMVF ^ WBMPCTFSWBCMF0CTFSWBCMF5 HFU 0CTFSWBCMF NFSHF DPODBU0CTFSWBCMFEP0O/FYU\EJSUZUSVF^ DIBOOFM EP0O/FYU\JG EJSUZ WBMVFJUEJSUZGBMTF^ ^