Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
AWS CDKにおけるL2 Constructの仕組み / aws-cdk-l2-construct
Search
k.goto
March 13, 2025
Programming
1.7k
6
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
AWS CDKにおけるL2 Constructの仕組み / aws-cdk-l2-construct
2025/03/13開催「JAWS-UG東京 IaC Night 〜入門から上級まで!AWSをコードで構築しよう〜」での登壇資料です。
k.goto
March 13, 2025
More Decks by k.goto
See All by k.goto
Level Up Your CDK DX: 5 Tools I’ve Been Building
gotok365
2
210
AWS CDK を「作」ってみた 〜フルスクラッチで見えた CDK の裏側〜 / aws-cdk-from-scratch
gotok365
3
3k
IaC コードを資産へ:AWS CDK 社内ライブラリと横断展開 / aws-summit-japan-2026
gotok365
10
4.9k
AWS CDK の目玉新機能「Mixins」とは / cdk-mixins
gotok365
2
780
AWS CDKの仕組み / how-aws-cdk-works
gotok365
18
6k
AWS CDK 実践的アプローチ N選 / aws-cdk-practical-approaches
gotok365
9
2.9k
TypeScript製IaCツールのAWS CDKが様々な言語で実装できる理由 ~他言語変換の仕組み~ / cdk-language-transformation
gotok365
10
1.7k
とあるEdTechベンチャーのシステム構成こだわりN選 / edtech-system
gotok365
7
1.1k
CodePipelineのアクション統合から学ぶAWS CDKの抽象化技術 / codepipeline-actions-cdk-abstraction
gotok365
5
570
Other Decks in Programming
See All in Programming
更なる可用性を求めて、5年間運用したKotlinのアプリケーションをGoでリプレイスする話
ken_tunc
0
470
ソニーのクラウド共通基盤の変遷とAI時代の開発スタイルに合わせた進化 / The Journey of Sony’s Common Cloud Platform and Its Evolution for AI-Native Development
kenjiyoneyama
0
250
JAWS-UG 東京支部が始める、JAWS-UG支部コラボ / JAWS-UG lunchtime LT Collaboration
y0hgi
0
220
[2026-09-26]空論ジェネリックプロセス~テスト資産とAIで紡ぐ、再現可能なパフォーマンスチューニングの話~
tosite
0
260
速く作れる。その次は、速く確かめられる開発へ 〜AIネイティブ開発を支える、Shift Down〜 / Can build fast. Next, moving to development where we can verify fast.
rkaga
8
5.6k
sbt 2.0: takeoff
eed3si9n
0
120
AI時代のコードレビューは人に向けるな、仕組みに向けろ
texmeijin
5
3.6k
phperだってパンチカードでコーディングしたい
o0h
PRO
0
260
技術的負債の返済は、AI時代の複利で効く投資 — 経営としての意思決定とその遂行
curekoshimizu
1
2.3k
技術的負債を組織課題として解く-増えすぎたマイクロサービスとの戦い-
reimaru
1
3k
Domain-Driven Transformation
hschwentner
2
2.3k
setup-vp GitLab対応の裏側
naokihaba
0
160
Featured
See All Featured
Efficient Content Optimization with Google Search Console & Apps Script
katarinadahlin
PRO
1
920
GitHub's CSS Performance
jonrohan
1033
470k
Paper Plane
katiecoart
PRO
4
54k
The Mindset for Success: Future Career Progression
greggifford
PRO
0
530
First, design no harm
axbom
PRO
2
1.3k
Redefining SEO in the New Era of Traffic Generation
szymonslowik
1
470
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
23k
Agile Leadership in an Agile Organization
kimpetersen
PRO
0
280
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.8k
Color Theory Basics | Prateek | Gurzu
gurzu
1
480
Mind Mapping
helmedeiros
1
400
Unsuck your backbone
ammeep
672
58k
Transcript
LHPUP AWS CDKʹ͓͚Δ L2 ConstructͷΈ +"846(౦ژ*B$/JHIU ʙೖ͔Β্ڃ·Ͱʂ"84ΛίʔυͰߏங͠Α͏ʙ
ࣗݾհ LHPUP "84)&30 "84$%,ίϯτϦϏϡʔτ 0QFO$POTUSVDUT-JCSBSZ ίϛϡχςΟۦಈ$%,$POTUSVDUϥΠϒϥϦ "84πʔϧ DMT EFMTUBDL MBNWFS
"84%FW5PPMT)FSP .BJOUBJOFS 5PQ$POUSJCVUPS $PNNVOJUZ3FWJFXFS ࣗ࡞044 $%,$POTUSVDUϥΠϒϥϦ 9!@TUFQ@UFDI (JU)VC!HPUPL
"84$%,ʹ͓͚Δ -$POTUSVDUͷΈ
w -$POTUSVDUͷΈΛΔ͜ͱͰ$%,Λ༻͍ͨ։ൃͷώϯτΛಘΔ w -$POTUSVDUΛ࡞ΕΔΑ͏ʹͳΔ ͨΊͷֻ͔Γʹ ‣ ຊηογϣϯ͚ͩͰͦͷશͯΛΧόʔͰ͖ͳ͍ ‣ ͬ͘͟ΓͰ֓ཁΛ௫ΊΔͱHPPE
ຊηογϣϯͷత
w 044Ͱ͋Δ"84$%,5ZQF4DSJQUͰ࣮͞Ε͍ͯΔ ‣ HJUIVCDPNBXTBXTDEL w ຊηογϣϯͰొ͢Δίʔυͯ͢$%,ͷ෦ίʔυ W࣌ ‣ ඞͣ͠ۀͰ$%,Λ͏ࡍͷίʔυʹͯΊΔ͖ͷͰͳ͍
‣ ͕ɺۀݸਓͰͷ$POTUSVDU։ൃ$%,ίϯτϦϏϡʔγϣϯͷࢀߟʹͳΕ ຊηογϣϯͷલఏ
$POTUSVDU ίϯετϥΫτ ͬͯʁ
$POTUSVDU ίϯετϥΫτ ͱ w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84ϦιʔεఆٛͷநԽ ‣ -$POTUSVDUෳͷϦιʔεΛؚΉҰൠతͳߏύλʔϯ ‣
-$POTUSVDUσϑΥϧτศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε ‣ -$POTUSVDU$MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ ˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠நԽͨ͠୯ҰϦιʔε͋Γ ந
w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84ϦιʔεఆٛͷநԽ ‣ -$POTUSVDUෳͷϦιʔεΛؚΉҰൠతͳߏύλʔϯ ‣ -$POTUSVDUσϑΥϧτศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε ‣ -$POTUSVDU$MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ
˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠நԽͨ͠୯ҰϦιʔε͋Γ ந w ಛఆͷϢʔεέʔεΛݺͼग़͠Ͱ࣮ݱ FH"-# 'BSHBUF w ൚༻ੑ͕͍ͷͰ͏γνϡΤʔγϣϯݶΒΕΔ w $%,ຊՈ͔Β΄ͱΜͲެ։͞Ε͍ͯͳ͍ $POTUSVDU ίϯετϥΫτ ͱ
w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84ϦιʔεఆٛͷநԽ ‣ -$POTUSVDUෳͷϦιʔεΛؚΉҰൠతͳߏύλʔϯ ‣ -$POTUSVDUσϑΥϧτศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε ‣ -$POTUSVDU$MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ
˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠நԽͨ͠୯ҰϦιʔε͋Γ ந w ୯ҰϦιʔε Ћ $MPVE8BUDI-PHTͱ͔*".ϩʔϧͱ͔ ͳͨΊ൚༻ੑ͕ߴ͍ w ྑ͍۩߹ʹநԽͯ͘͠Εͯศར நΛԼ͛Δ͜ͱՄ w ΈࠐΈόϦσʔγϣϯͰσϓϩΠલʹΤϥʔݕ $POTUSVDU ίϯετϥΫτ ͱ ˠΤεέʔϓϋον
w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84ϦιʔεఆٛͷநԽ ‣ -$POTUSVDUෳͷϦιʔεΛؚΉҰൠతͳߏύλʔϯ ‣ -$POTUSVDUσϑΥϧτศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε ‣ -$POTUSVDU$MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ
˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠நԽͨ͠୯ҰϦιʔε͋Γ ந w શͯͷϓϩύςΟΛ໌ࣔతʹࢦఆ͢Δඞཁ͕͋Δ w ϓϩύςΟʹ༻Ͱ͖Δܕͷछྨ͕গͳ͍ -Ͱ๛ $POTUSVDU ίϯετϥΫτ ͱ
w ৄ͘͠"84#MBDL#FMUΛࢀর IUUQTQBHFTBXTDMPVEDPNST5;.JNBHFT"84#MBDL#FMU@@"84$%,#BTJD0WFSWJFX@@WQEG $POTUSVDU ίϯετϥΫτ ͱ
w ͋ͷେมͳ71$ઃఆ͜Μͳ͓खܰʹ ‣ ˞ͪ͜Β7ͰɺΑΓΧελϜ͍͢͠7QD7Ћ൛ͰϦϦʔεࡁΈ $POTUSVDUͷศརػೳ
w ͍͍ײ͡ͷ*".ݖݶΛ༩ͯ͘͠ΕΔHSBOUϝιου ͜ͷόέοτͱΦϒδΣΫτʹର͢Δ T(FU0CKFDU T(FU#VDLFU T-JTU $POTUSVDUͷศརػೳ
w $%,ϨΠϠʔͰ5ZQF4DSJQU -BNCEB ͷϏϧυ ‣ /PEFKT'VODUJPO Ϗϧυ্ͨ͠ͰΞηοτ -BNCEBͰݺͿ;*1ϑΝΠϧ Λ$%,༻ͷ4ʹΞοϓϩʔυ
$POTUSVDUͷศརػೳ
w $%,ϨΠϠʔͰ%PDLFSϏϧυ&$3ϓογϡ ‣ %PDLFS*NBHF"TTFU Ϗϧυ্ͨ͠ͰΞηοτ &$4͔ΒݺͿΠϝʔδ Λ$%,༻ͷ&$3ʹϓογϡ ‣ &$3%FQMPZNFOU
ಛఆͷ&$3ʹίϐʔ $POTUSVDUͷศརػೳ
w $%,ϨΠϠʔͰ4Ξοϓϩʔυ ‣ #VDLFU%FQMPZNFOU ΞηοτΛ4ʹΞοϓϩʔυ ;*1Λల։͢Δ͜ͱՄೳ $POTUSVDUͷศརػೳ
ͳΜͰ-$POTUSVDU ͷΛ͢Δͷ ʁ
w -$POTUSVDUʁ ‣ ൚༻ੑ͕ͯ͑͘Δέʔε͕͋·Γͳ͘ɺͦͦຊՈ͔Β͋·Γग़͍ͯͳ͍ ‣ ϢʔβଆͰಠࣗͷΧελϜ - $POTUSVDUΛ࡞Δͷ͕ओྲྀ --$POTUSVDUΛࣗϓϩμΫτͷϢʔεέʔεʹ߹Θͤͯࣗ༝ʹΈ߹ΘͤΔ
ͦͷͨΊ༷༷ࣜʑ w -$POTUSVDUʁ ‣ நԽ͕ͳ͍ศརػೳ͕ͳ͍ܕͷදݱ͕ऑ͍ ‣ -$POTUSVDU͕ରԠ͍ͯ͠ͳ͍෦ΛΧόʔ͢Δ͍ํ͕ଟ͍ ͳΜͰ-$POTUSVDU ͷΛ͢Δͷ ʁ $%,ͱ͍ͬͨΒ-$POTUSVDUʂʂ
-$POTUSVDUͷΈ
-$POTUSVDUͷΈ ֓ཁ -$POTUSVDU $POTUSVDU*%3FTPVSDF *".3PMF1PMJDZ -PH(SPVQ FUD ϓϥΠϚϦϦιʔε ηΧϯμϦϦιʔε -$POTUSVDU
1SPQT QSPQFSUZ" QSPQFSUZ# QSPQFSUZ$ QSPQFSUZ% SPMF MPH(SPVQ ʜ ʜ ͳ͚Εࣗಈੜ ͳ͚ΕσϑΥϧτ ϝιου ϝιου ϝιου
-$POTUSVDUͷΈ ৄࡉ
-$POTUSVDUͷΈ ৄࡉ
-$POTUSVDUͷΈ ৄࡉ
-$POTUSVDUͷΈ ৄࡉ
-$POTUSVDUͷΈ ৄࡉ ࡞Δ͖ͷ͜Ε͚ͩ
-$POTUSVDUͷΈ ৄࡉ
-$POTUSVDUͷΈ ৄࡉ
None
w 6OPXOFE3FTPVSDFTͷͨΊͷ#FIBWJPSBM*OUFSGBDF *9YYܕ ‣ ελοΫ֎ͷϦιʔεΛٖࣅతʹελοΫཧԼʹऔΓࠐΉͨΊͷಡΈࠐΈ༻ܕ FH *#VDLFUɺ*5PQJDɺ*2VFVF
㱠DELJNQPSU ˡ࣮ࡍʹελοΫͷཧϦιʔεʹҠ͢ *&YBNQMF $%,ελοΫ Ϛωίϯ -BNCEB 4 #VDLFU ελοΫॴ༗ ࣮$POTUSVDU HSBOU1VU ελοΫඇॴ༗ *#VDLFU JOUFSGBDF ٖࣅऔΓࠐΈ GSPN#VDLFU"UUSJCVUFT
w zGSPN9YY"SO zͳͲͷಡΈࠐΈϝιου͕ٖࣅϦιʔεΛ͜ͷܕͰฦ͢ w ී௨ͷ$POTUSVDUͱ ΄΅ ಉ͡Α͏ʹϓϩύςΟऔΕΔ͠ϝιουݺΔ *&YBNQMF *#VDLFUܕ
w ී௨ͷ$POTUSVDUͱ ΄΅ ಉ͡Α͏ʹϓϩύςΟ͕औΕΔΈ ‣ ͨ͠Λͱʹ$POTUSVDUΛٖࣅߏͯ͠6OPXOFE3FTPVSDFTܕͱͯ͠ฦ͢ *&YBNQMF GSPN#VDLFU"SO Ͱόέοτͷ"SOΛ͢
ͦΕ͕CVDLFU"SOʹηοτ "SOͷ໋໊نଇʹԊͬͯ/BNFΛநग़ɺCVDLFU/BNFϓϩύςΟʹηοτ 㾎ଞʹ͜ͷ4UBDL3FHJPOใ͔Βಋ͖ग़ͤΔϓϩύςΟηοτ͞ΕΔ "SO͔Βಋ͚ͳ͍VOEF fi OFEʹͳΔ͕ɺGSPN"UUSJCVUFT ͩͱશͯͤΔ GSPN-PPLVQ ͱ͍͏4%,Ͱ࣮ࡍʹΛऔಘ͢Δಛघͳϝιου͋Δ
w ී௨ͷ$POTUSVDUͱ ΄΅ ಉ͡Α͏ʹϝιου͕ݺΔΈ ‣ -$POTUSVDU࣮ମ ͘͠#BTFΫϥε ͜ͷJOUFSGBDFΛJNQMFNFOUT͢Δ *&YBNQMF
$POTUSVDU࣮ମ6OPXOFE3FTPVSDFTͷ࣋ͭఆٛΛશͯ࣋ͭ ޓੑ 㾎&YBNQMFJNQMFNFOUT*&YBNQMF 㾎&YBNQMF#BTFJNQMFNFOUT*&YBNQMF ਖ਼͘͠ʮ࣮$POTUSVDU͕6OPXOFE3FTPVSDFTܕͱಉ͜͡ͱ͕Ͱ͖Δʯ
w 6OPXOFE3FTPVSDFTܕͷܕఆٛʹ͍ͭͯ ‣ *3FTPVSDFΛFYUFOET ‣ ඞཁ͕͋Ε*(SBOUBCMF *$POOFDUBCMF FUDʜFYUFOET HSBOUϝιουɺBMMPX5PϝιουͳͲͷରʹ͍ͨ͠߹
*&YBNQMF
w 6OPXOFE3FTPVSDFTܕͷϓϩύςΟఆٛʹ͍ͭͯ ‣ ಡΈࠐΈ༻Ϧιʔε͔Βެ։͍ͨ͠ϓϩύςΟΛఆٛ $MPVE'PSNBUJPOͰϦιʔε࡞࣌ʹฦ٫͞ΕΔϓϩύςΟ جຊతʹ ࣋ͨͤΔ 㾎3FG (FU"UUͳͲͰฦ͞ΕΔͷYY/BNF
YY"SO FUD ໋໊ͷYY෦লུ͠ͳ͍ 㾎ͦΕΒʹ!BUUSJCVUFϥϕϧΛ͚ͭΔ $%,ಠࣗͰఆٛͨ͠ϓϩύςΟʹෆཁ *&YBNQMF
w 6OPXOFE3FTPVSDFTܕͷϝιουఆٛʹ͍ͭͯ ‣ JOUFSGBDFʹ࣮Λॻ͚ͳ͍ͷͰ࣮ࡍͷॲཧ࣮ઌͰఆٛ ಡΈࠐΈ༻ͷΫϥεΛผͰఆٛ͢Δ ʮ&YBNQMF -$POTUSVDU ʯʹͯޙड़
‣ ͜ͷϦιʔεࣗମʹมߋΛՃ͑ͳ͍ྨͷϝιουͷΈఆٛ ͦͷ$POTUSVDU͕ॴ༗͢ΔผϦιʔεͷߋ৽ܥՄೳͳέʔε ߋ৽ϝιουΛఆٛ͠ɺ࣮ମͰ࣮ࡍͷॲཧɺಡΈࠐΈ༻Ͱμϛʔ࣮Λ͢Δ͜ͱ ‣ HSBOUϝιουಡΈࠐΈ༻ϦιʔεͰ͑ΔͷͰجຊతʹఆٛ͢Δ͜ͱ͕ଟ͍ ͜ͷϦιʔεʹΞΫηε͢ΔͨΊͷݖݶΛΞΫηεݩͷϦιʔεʹ༩͢ΔͨΊ *&YBNQMF
w $POTUSVDUͷ1SPQTͰड͚औΔϦιʔε6OPXOFE3FTPVSDFTܕʹ ‣ ελοΫͰ࡞ͨ͠Ϧιʔε֎͔ΒಡΈࠐΜͩϦιʔεͤΔ -$POTUSVDU &YBNQMF ͜ͷܕ *&YBNQMF ΛJNQMFNFOUT͢ΔͨΊܕͷޓੑ͕͋Δ
ϝιου͑ΔͷͰɺϓϦϛςΟϒܕ TUSJOHͳͲ ΑΓ͜ͷܕʹ͓ͯ͜͠͏ w $POTUSVDU͔Β֎ʹެ։͢ΔϦιʔε6OPXOFE3FTPVSDFTܕʹ ‣ ͦͷϦιʔεΛ࡞ͨ͠$POTUSVDUͷ֎Ͱߋ৽͞Εͳ͍Α͏ʹͰ͖Δ ͷɾ҆શੑͷ্ *&YBNQMF
None
&YBNQMF"UUSJCVUFT w GSPN9YY"UUSJCVUFT ϝιουʹ͢4USVDUT*OUFSGBDF ‣ ͜ͷใΛͱʹ6OPXOFE3FTPVSDFT͕ߏ͞ΕΔ ͜ΕΑΓελοΫ֎ͷϦιʔεͰٖࣅ$POTUSVDUͱͯ͠ѻ͑ΔΑ͏ʹ *&YBNQMF 6OPXOFE3FTPVSDFT
GSPN&YBNQMF"UUSJCVUFT TDPQF JE FYBNQMF"UUSJCVUFT *&YBNQMF YY"SO YY/BNF &YBNQMF"UUSJCVUFT *&YBNQMFΛJNQMFNFOUTͨ͠ ΫϥεͷΠϯελϯε͕ฦΔ
&YBNQMF"UUSJCVUFT w શͯͷϓϩύςΟSFBEPOMZ 4USVDUT*OUFSGBDFͷಛ ‣ *OQVUͱͳΔͷΠϛϡʔλϒϧ มߋෆՄೳ Ͱ͋Δ͠
None
&YBNQMF#BTF w ͭͷϦιʔεʹରͯ͠ෳͷ$POTUSVDUΛ࣮͢ΔͷͨΊͷڞ௨Ϋϥε ‣ $POTUSVDUΛෳ࡞Βͳ͍߹ແͯ͘ྑ͍͕֦ுͷͨΊʹ࡞͓ͬͯ͘ͷ͕ਪ ‣ ͜Ε͕͋ΔͱಡΈࠐΈ༻ΫϥεΛ࡞Δࡍʹ࠶ར༻Ͱ͖Δ ޙड़ ྫBXTBQJHBUFXBZϞδϡʔϧ ྫBXTTϞδϡʔϧ
&YBNQMF#BTF w #BTFΫϥεͷܕఆٛʹ͍ͭͯ ‣ BCTUSBDUΫϥε ‣ 3FTPVSDFΫϥεΛFYUFOET -$POTUSVDUͱ3FTPVSDFΫϥεΛܧঝͨ͠ͷ
3FTPVSDFΫϥε-$POTUSVDUڞ௨ͷใΛ࣋ͭ 㾎JT3FTPVSDF JT3FTPVSDF QIZTJDBM/BNF FUD ‣ 6OPXOFE3FTPVSDFTܕ *9YYܕ ΛJNQMFNFOUT ͜ΕͰಡΈࠐΈ༻ͷܕͷ࣋ͭϓϩύςΟɾϝιουఆٛΛҾ͖ܧ͙
&YBNQMF#BTF w #BTFΫϥεͷϓϩύςΟఆٛʹ͍ͭͯ ‣ جຊ6OPXOFE3FTPVSDFTͷଐੑΛҾ͖ܧ͍ͩͷ #BTFΫϥεݻ༗ͷଐੑ࡞ͬͯྑ͍ ‣ -$POTUSVDU αϒΫϥε
ଆͰઃఆ͍ͨ͠ଐੑBCTUSBDUʹ
&YBNQMF#BTF w #BTFΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ ‣ Ҿ 9YY#BTF1SPQTPS3FTPVSDF1SPQT ‣ ॲཧ αϒΫϥεͷ-$POTUSVDUଆʹճͯ͠0,
ཧ໊ηοτɺڞ௨ϓϩύςΟηοτɺڞ௨όϦσʔγϣϯɺFUDʜ ‣ #BTFଆͰॳظԽॲཧ͕ෆཁͳ߹DPOTUSVDUPS͕ͳ͍͜ͱ ͦͷ߹-$POTUSVDUࣗମ αϒΫϥε Ͱఆٛ͢Δ
&YBNQMF#BTF w #BTFΫϥεͷϝιουఆٛʹ͍ͭͯ ‣ ֤-$POTUSVDUͰڞ௨Ͱ༻͍ͨ͠ϝιουΛఆٛ ‣ ಡΈࠐΈ༻Ϋϥε ޙड़ Ͱ༻͍ͨ͠ϝιουఆٛ ‣
HSBOUܥϝιουNFUSJDܥϝιου͍͍ͩͨ͜͜Ͱఆٛ
&YBNQMF#BTF w #BTFΫϥε͕ͳ͍έʔε͋Δ ‣ ଞͷछྨ ੜ ͷ$POTUSVDU͕ͳ͍ɾখ͍͞$POTUSVDUͷ߹ͳͲ ‣ γϯϓϧʹͳΔ͕࡞͓͍ͬͯͨํ͕ϕλʔ
None
w #BTFΫϥεͷೖྗͷͨΊͷ4USVDUT*OUFSGBDF ‣ ڞ௨Ͱηοτ͍ͨ͠ϓϩύςΟ͕͋Ε࡞Δ ߏϧʔϧ-$POTUSVDUͷ1SPQT &YBNQMF1SPQTɿޙड़ ͱಉ͡ ͦͦ#BTFΫϥεʹDPOTUSVDUPS͕ͳ͍߹ɾ3FTPVSDF1SPQTΛ͢߹ෆཁ
‣ 3FTPVSDF1SPQTΛFYUFOETͯ͠ྑ͍ &YBNQMF#BTF1SPQTFYUFOET3FTPVSDF1SPQT &YBNQMF#BTF1SPQT
None
&YBNQMF1SPQT w -$POTUSVDUͷೖྗͷͨΊͷ4USVDUT*OUFSGBDF ‣ ϓϦϛςΟϒܕ OVNCFSͳͲ ɺFOVNɺJOUFSGBDFɺΫϥεɺྻɺFUDΛ࣋ͭ 9YY#BTF1SPQT͕͋ΕFYUFOET
ͯ͢ͷϓϩύςΟΛSFBEPOMZʹ Ϧιʔε(L2 Construct)Λ͍ͨ͠߹Unowned ResourcesܕͰఆٛ
&YBNQMF1SPQT w ಛఆͷϓϩύςΟ܈Λผinterface(ωετ)ʹͯ͠ྑ͍͕ϑϥοτ͕ਪ ‣ JavaͳͲͷݴޠͩͱωετ͞ΕͨΦϒδΣΫτͷੜ͕େมͳͨΊ ‣ ϑϥοτʹ͢Δ͜ͱͰoptionalʹͤ͟ΔΛಘͳ͍߹όϦσʔγϣϯͰΧόʔ DPO fi HVSBUJPOΛઃఆ͢Δ߹ͦͷதͷ֤ϓϩύςΟඞਢ
ϑϥοτʹ͢Δ͜ͱͰͲͪΒPQUJPOBMʹͳͬͯ͠·͏ DPO fi HVSBUJPOࣗମ͕ͦͦෆཁͳ߹͕͋ΔͷͰ ͳ͕ͣɾɾɾ
&YBNQMF1SPQT w ৼΔ͍(ϝιου)Λ࣋ͭͱศརͳϓϩύςΟΫϥεʹ͢Δͱදݱ͕͕Δ
None
w -$POTUSVDUຊମʢΫϥεʣ ‣ -$POTUSVDUΛ͍উखΑ͘நԽͨ͠ͷ ؔ࿈ϦιʔεੜɺਪͷσϑΥϧτઃఆɺศརϝιουɺόϦσʔγϣϯɺFUDʜ &YBNQMF -$POTUSVDU
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷܕఆٛʹ͍ͭͯ ‣ -$POTUSVDUͱ3FTPVSDFΫϥεΛܧঝͨ͠ͷ ࠶ܝ ‣ #BTFΫϥεΛFYUFOET
#BTFΫϥε͕͢Ͱʹ3FTPVSDFΫϥεΛܧঝ͍ͯ͠Δ ‣ #BTFΫϥε͕ͳ͚Ε 3FTPVSDFΫϥεΛFYUFOET 6OPXOFE3FTPVSDFT *9YY ΛJNQMFNFOUT
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷϓϩύςΟఆٛʹ͍ͭͯ ‣ #BTFΫϥεͰBCTUSBDUͰఆٛͨ͠ͷͯ͢ఆٛ #BTFΫϥε͕ͳ͚Ε6OPXOFE3FTPVSDFT *9YY Ͱఆٛͨ͠ͷΛఆٛ
‣ ଞʹ֎͔ΒΞΫηεͰ͖ΔΑ͏ʹ͍ͨ͠ϓϩύςΟQVCMJDʹ SFBEPOMZਪ ͷʹΑͬͯͦ͏Ͱͳ͍ͷ͋Δ ॲཧʹඞཁͳQSJWBUFQSPUFDUFEϓϩύςΟͷઃఆࣗ͝༝ʹ
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ ‣ ཧ໊ηοτ #BTFΫϥεͰͬͯ0, ະࢦఆͷ߹$MPVE'PSNBUJPO͕ࣗಈੜ
‣ ະࢦఆͷ߹Ͱ$%,ଆͰੜ͢Δ͜ͱ ཧ໊ͷ໋໊ϧʔϧʹ߹Θͤͯ-B[ZTUSJOH /BNFTVOJRVF3FTPVSDF/BNF ΞΧϯτϦʔδϣϯލ͗༻ʹ1IZTJDBM/BNF(&/&3"5&@*'@/&&%&%
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ ‣ 1SPQT ϩδοΫͷॲཧ݁Ռ Λͱʹ-$POTUSVDU $GO9YY ੜ
$POTUSVDU*%z3FTPVSDFz ύϥϝʔλܾఆͷॲཧQSJWBUFϝιουʹΓ͚ͯ0,
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ ‣ σϑΥϧτηοτɾؔ࿈Ϧιʔεͷࣗಈੜ 1SPQTͰ͞Ε͍ͯͨΒͦΕΛ͏ "84αʔϏεͱͯ͠ਪ͖͢ઃఆ͕ͳ͚Ε$%,ଆͰσϑΥϧτͷηοτͤͣɺ
$MPVE'PSNBUJPOͷσϑΥϧτʹͤΔ͜ͱͷํ͕ଟ͍
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ ‣ όϦσʔγϣϯ 5PLFOJT6OSFTPMWFE ͰτʔΫϯΛνΣοΫ͠ɺτʔΫϯόϦσʔγϣϯ͠ͳ͍
IUUQTBXTBNB[PODPNKQCVJMEFST fl BTIDELWBMJEBUJPO ֤छόϦσʔγϣϯख๏ʹՃ͑ɺτʔΫϯͱԿ͔ॻ͍͍ͯ·͢ʂ
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ ‣ ಡΈࠐΈ༻Ϧιʔε 6OPXOFE3FTPVSDFT ͷͨΊͷTUBUJDGSPNϝιου 6OPXOFE3FTPVSDFT GSPN&YBNQMF"UUSJCVUFT
&YBNQMF"UUSJCVUFT GSPN&YBNQMF"SO GSPN-PPLVQ GSPN&YBNQMF*% GSPN&YBNQMF/BNF GSPN&YBNQMF9Z[ "84ΞΧϯτ &YBNQMF Ϧιʔε औಘ ͢ ͢ "3/ *% /BNF 9Z[ ࣮ࡍͷϦιʔεใ ٖࣅ$POTUSVDUੜ ಡΈࠐΈ༻ ˞͜ͷߏʹԊ͍ͬͯͳ͍έʔε͋Δ FH4FDVSJUZ(SPVQ
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ ‣ GSPN9YY"UUSJCVUFTϝιουͰಡΈࠐΈ༻ΫϥεఆٛΠϯελϯεฦ٫
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ ‣ GSPN9YY"UUSJCVUFTϝιουͰಡΈࠐΈ༻ΫϥεఆٛΠϯελϯεฦ٫ #BTFΫϥεΛFYUFOET ͘͠*9YYܕΛJNQMFNFOUT 3FTPVSDFΫϥεΛFYUFOET
㾎#BTFΫϥε͕͋Δͱ#BTFΫϥεͰఆٛͨ͠ϝιουͳͲΛ࠶ར༻Ͱ͖Δ 㾎͜ΕʹΑΓಡΈࠐΈ༻ϦιʔεͰHSBOUϝιουͳͲ͕ݺΔ ϝιουͦΕΛ*9YYܕͷٖࣅ$POTUSVDU ಡΈࠐΈ༻ ͱͯ͠ฦ͢
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ ‣ ྻϓϩύςΟͳͲʹΠϯελϯεॳظԽޙʹՃ͢ΔBEEϝιου -$POTUSVDUʹϝιουݺͼग़͠ޙʹԆ࣮ߦ͞ΕΔʮ-B[ZʯͰ͢
&YBNQMF -$POTUSVDU w -$POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ ‣ QSJWBUFϝιου ॲཧ͕ͯ͘·ͱΊ͍ͨɺ࠶ར༻͍ͨ͠ ‣ ศརܥϝιου
˞HSBOUNFUSJDϝιουಡΈࠐΈ༻ΫϥεͰ͍͍ͨͷͰجຊ#BTFଆͰ࣮
None
None
˞ຊηογϣϯͷհྫͱগ͠ҟͳΓ·͢ IUUQTHJUIVCDPNBXTBXTDELCMPCWQBDLBHFT!BXTDELFYBNQMFDPOTUSVDUMJCSBSZMJCFYBNQMFSFTPVSDFUT
$%,͕֤ϓϩάϥϛϯάݴޠͰಈ͘Έ $%,Ϣʔβ ߏఆٛ ෦ॲཧ ֤$POTUSVDUΫϥε 5ZQF4DSJQU ֤$POTUSVDUΫϥε ߏఆٛ 1ZUIPO༻ +BWB༻
(P༻ $༻ 5ZQF4DSJQU༻ +BWB4DSJQU༻ ͖ͳݴޠ Ͱ༻ ߏఆ͔ٛΒ෦ॲཧݺͼग़͠ ߏఆ͚֤ٛͩݴޠʹࣗಈม $%,ίϯτϦϏϡʔτͷൣғ HJUIVCDPNBXTBXTDEL ଞݴޠͰ࣮ͷ߹$%,࣮ߦʹ /PEFKTϥϯλΠϜ͕ඞཁ ˞֤ݴޠʹม͢ΔͨΊ 5ZQF4DSJQUݻ༗ͷܕදݱ/( ˞֤ݴޠʹม͠ͳ͍ͨΊ 5ZQF4DSJQUݻ༗ͷ࣮0, KTJJίϯύΠϥ "84ଟݴޠมπʔϧ ʰKTJJʱ HJUIVCDPNBXTKTJJ KTJJϥϯλΠϜ /PEFKTϓϩηε $%,ެ։࣌ 044ଆ $%,࣮ߦ࣌ Ϣʔβଆ τϥϯεύΠϧ
એɿࣗ࡞πʔϧOSSͷ͝հ
ࣗ࡞044"84πʔϧ ʲDMTʳ4όέοτΛߴʹআɾۭʹ͢Δπʔϧ ‣ IUUQTHJUIVCDPNHPUPLDMT ʲEFMTUBDLʳ"84$MPVE'PSNBUJPOελοΫڧ੍আπʔϧ ‣ IUUQTHJUIVCDPNHPUPLEFMTUBDL ʲMBNWFSʳ-BNCEBϥϯλΠϜόʔδϣϯݕࡧπʔϧ ‣ IUUQTHJUIVCDPNHPUPLMBNWFS
ࣗ࡞044"84πʔϧ ʲDMTʳ4όέοτΛߴʹআɾۭʹ͢Δπʔϧ ରͰݕࡧͯ͠ɺෳόέοτฒྻҰׅআʂ ඇݱߦόʔδϣϯͷΈআՄೳʂࠓͷ45BCMFTͷআʹରԠʂ
ࣗ࡞044"84πʔϧ ʲEFMTUBDLʳ"84$MPVE'PSNBUJPOελοΫڧ੍আπʔϧ $'OআͰࣦഊ͢ΔϦιʔε͕͋ͬͯελοΫϦιʔε͝ͱڧ੍আʂ ରͰݕࡧͯ͠ɺෳελοΫҰׅআՄೳʂ ґଘؔΛՃຯͯ͠৽͍͠ͷ͔Βॱʹআ
ࣗ࡞044"84πʔϧ ʲMBNWFSʳ-BNCEBϥϯλΠϜόʔδϣϯݕࡧπʔϧ ϦʔδϣϯԣஅݕࡧʂશબϑΟϧλϦϯάՄʂ $47ग़ྗΦϓγϣϯ͋Γʂ
ࣗ࡞044"84πʔϧ ʲMBNWFSʳ-BNCEBϥϯλΠϜόʔδϣϯݕࡧπʔϧ ϦʔδϣϯԣஅݕࡧʂશબϑΟϧλϦϯάՄʂ $47ग़ྗΦϓγϣϯ͋Γʂ
ࣗ࡞044"84$%,$POTUSVDUϥΠϒϥϦ ʲJNBHFTDBOOFSXJUIUSJWZʳ$%,Ͱ5SJWZͰίϯςφΠϝʔδεΩϟϯ ‣ IUUQTDPOTUSVDUTEFWQBDLBHFTJNBHFTDBOOFSXJUIUSJWZ ʲJNBHFTDBOOFSXJUIEPDLMFʳ$%,Ͱ%PDLMFͰίϯςφΠϝʔδεΩϟϯ ‣ IUUQTDPOTUSVDUTEFWQBDLBHFTJNBHFTDBOOFSXJUIEPDLMF ʲFMCPUIFSYYBMBSNʳ$%,ͰϚΠφʔͳYY
ͷ&-#ΞϥʔϜ ‣ IUUQTDPOTUSVDUTEFWQBDLBHFTJNBHFTDBOOFSXJUIEPDLMF
5IBOL:PV LHPUP "84%FW5PPMT)FSP 9!@TUFQ@UFDI (JU)VC!HPUPL