ginza-ruby-kaigi-01

https://ginzarb.github.io/kaigi01/

Transcript

1. Spring Frameworkͱൺֱֶͯ͠Ϳɺ
 WebΞϓϦέʔγϣϯϑϨʔϜϫʔΫͷ ੹຿෼ׂ ͗Μ͟Rubyձٞ 01 2017-08-05 @onigra_
2. Yudai Suzuki / ླ໦༤େ @onigra_ onigra
3. ͜ͷ࿩Λ͢Δʹ͋ͨͬͯ • ϓϩάϥϚʔͱͯ͠࢓ࣄ͢Δ্Ͱɺ
 ॳΊͯͪΌΜͱֶΜͩͷ͕Ruby • ࢓ࣄͰ࢖͏Web Application Framework͸ɺ ΄ͱΜͲRailsͩͬͨ
4. Railsʹֶ͍ͭͯΜͰߦ͘͏ͪʹ • ৘ใΛूΊͯΈΔͱɺRailsʹ͸ׂͱ
 ൷൑͕ଟ͍͜ͱʹؾͮ͘
5. ྫ • MVCͷఆٛʹ͍ͭͯ • ActiveRecord
6. ͳΔ΄Ͳ
7. ࠓ೥ͷ4݄ʹస৬
8. http://rubykaigi.org/2017/sponsors • http://rubykaigi.org/2017/sponsors
9. స৬ͯ͠
 Java + Spring Frameworkʹ৮ΕΔ • ਖ਼֬ʹ͸Spring Boot • Spring Boot͸ɺSpring Frameworkͷ͍ͭ͘ ͔ͷϞδϡʔϧΛ౷߹ͯ͠ɺWebΞϓϦ έʔγϣϯΛߏங͠΍ͨ͘͢͠΋ͷ
10. Spring FrameworkΛ௨͠ ൷൑ͷ಺༰Λ
 վΊͯཧղ͢Δ
11. ͜ͷൃදͷதͰ఻͍͑ͨ͜ͱ • ࢲͷΑ͏ʹɺϓϩάϥϛϯά΍Web։ൃΛ RubyɺRails͔Β͸͡Ίͨํʑʹɺ
 ҟͳΔݴޠͷϑϨʔϜϫʔΫͷ
 ઃܭࢥ૝΍ύϥμΠϜʹ৮ΕΔ͜ͱʹΑΓɺ ৽͍͠஌ݟΛಘΔػձʹͳ͍͚ͬͯͨͩΕ͹ ޾͍Ͱ͢
12. ஫ҙ • ຊൃදͰ͸পʹೖΓࠐΉͷΛආ͚ΔͨΊɺҎԼʹ͍ͭͯ
 ਂ͘౿ΈࠐΜͩ࿩͸͠·ͤΜ • υϝΠϯۦಈઃܭ(DDD) • ΤϯλʔϓϥΠζΞϓϦέʔγϣϯΞʔΩςΫνϟύλʔ ϯ(PofEAA) • ͋͘·ͰRuby on RailsͱSpring Frameworkͷػೳͷൺֱͱ ͍͏؍఺Ͱ͓࿩͠·͢
13. ࠂ஌
14. גࣜձࣾΤεΤϜΤεͰ͸ɺ ษڧձͷձ৔ఏڙΛ͸͡Ί·͢ • ࠷େͰ136໊·Ͱऩ༰Մೳͳձ৔ΛఏڙͰ͖· ͢ • ৄࡉ͸@onigra_·Ͱ͓໰͍߹Θ͍ͤͩ͘͞ • ৔ॴ͸େ໳(ࣳެԂ) • https://twitter.com/onigra_
15. Elastic Leadershipͷ Πϕϯτ΍Γ·͢ • ฐࣾͨͳ΂͢ͳ͓(@sunaot)͕ΤοηΠΛدߘ͠ ͨɺElastic LeadershipͷΠϕϯτΛߦ͍·͢ • ήετʹϨδϟϦʔϫʔΫε߹ಉձࣾͷ Shinichiro OGAWA(@conceal_rs)͞ΜΛ͓ট͖͠ ·͢ • ͪ͜Β΋ৄࡉ͕ܾ·Γ࣍ୈɺSNSʹͯࠂ஌͠·͢
16. σʔλΞΫηε
17. σʔλΞΫηε • Spring Frameworkʹ͸ɺRDBMS౳ͷσʔλ ӬଓԽ૚ʹΞΫηε͢ΔͨΊͷϥΠϒϥϦͱ ͯ͠ɺSpring Data͕ଘࡏ͢Δ • Spring Data͸ɺRDBMSҎ֎ͷσʔλιʔε ʹରԠ࣮ͨ͠૷͕ଘࡏ͢Δ
18. Spring Data • https://projects.spring.io/spring-data/ • MongoDB • LDAP • ֎෦Web API • Redis • Elasticsearch • etc…
19. Repository • Spring Core͕ఏڙ͍ͯ͠Δ • υϝΠϯΦϒδΣΫτͱσʔλΞΫηεͷ࣮૷Λ ෼཭্ͨ͠ͰɺRepository͸ͦΕΒͷ஥հΛߦ͏ • Spring Core͕ఏڙ͢ΔRepositoryʹର͠ɺ Spring Dataͷ੹຿ΛTemplateͱݺͿ
20. ϑϨʔϜϫʔΫͱͯ͠ͷ ActiveRecordͷσϝϦοτ • ϞσϧͱDB͕ີ݁߹ • Modelͱσʔλϕʔεઃܭ͕݁߹ͯ͠͠·͏ • ΦϒδΣΫτ͕σʔλϕʔεςʔϒϧͱ௚઀ରԠ͠ ͍ͯΔͱActiveRecord͸ඇৗʹ༗ޮ • σʔλϕʔεͷઃܭ͕ɺ͍͔ʹActiveRecordͰѻ͍ ΍͘͢͢Δʹ͸Ͳ͏͢Δ͔ɺͱ͍͏ํ޲ʹͳΓ͕ͪ
21. RepositoryͱTemplateΛ
 ༻͍࣮ͨ૷ • Interfaceͷఆٛ • Interfaceʹର͠ɺσʔλιʔε͝ͱʹɺσʔ λΞΫηεͷ۩ମతͳ࣮૷Λߦ͏
22. RepositoryͱTemplateΛ
 ༻͍࣮ͨ૷
23. Կ͕خ͍͔͠ʁ • RepositoryͰఆٛͨ͠ΠϯλʔϑΣʔεͱɺ Templateͷ࣮૷Λ෼͚Δ͜ͱʹΑͬͯɺ
 ϏδωεϩδοΫͱ࣮૷ͷ෼཭͕Ͱ͖Δ • σʔλΞΫηε૚ͷ࣮૷Λ੾Γସ͑Δ͚ͩͰɺΞϓ Ϧέʔγϣϯͷมߋ͕׬ྃ͢Δ • ϏδωεϩδοΫʹର࣮ͯ͠૷ͷมߋ͕༰қʹͳΔ
24. ActiveResource • ֎෦ͷWeb APIΛɺAcriveRecordΦϒδΣΫ τͷΑ͏ʹѻ͏͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔgem • Rails2, 3ʹ͸Coreʹ͕͋ͬͨɺ4Ͱ֎Εͨ
25. RubyͰRepository • rom-rb • http://rom-rb.org/ • Ruby Object Mapper • HANAMIͷ಺෦Ͱ࢖༻͞Ε͍ͯΔ • http://hanamirb.org/
26. Callbackͱ
 ΞεϖΫτࢦ޲ϓϩάϥϛϯά
27. ΞεϖΫτࢦ޲ϓϩάϥϛϯά ͱ͸ʁ • Aspect Oriented Programming • ΦϒδΣΫτͷ୯ҐͰ͸͏·͘෼཭Ͱ͖ͳ͍ɺ
 ΦϒδΣΫτؒΛ·͙ͨػೳΛʮہ໘ʯͱ͍͏
 ୯Ґ͝ͱʹϞδϡʔϧԽ͢ΔϓϩάϥϛϯάύϥμΠ Ϝ • ΦϒδΣΫτؒΛ·͙ͨػೳͷ͜ͱΛ
 ʮCrosscutting Concern(ԣஅతؔ৺ࣄ)ʯͱݺͿ
28. Crosscutting Concernͷྫ • Logging • Caching • Error Handling • Transaction
29. ΞεϖΫτࢦ޲ϓϩάϥϛϯά Ͱ༻͍ΒΕΔ༻ޠ • Join Point • ΞϓϦέʔγϣϯ࣮ߦதͷɺ͋Δಛఆͷʮ࣌఺ʯΛࢦ͢ • Advice • Join PointͰ࣮ߦ͞ΕΔॲཧ • Pointcut • Join Pointͷఆٛ
30. Spring AOP
31. Spring AOPͷ࢖͍ํ • Join PointΛܾΊͯPointcutͱͯ͠ఆٛ͠ɺ PointcutͰߦ͏࣮ॲཧͰ͋ΔAdviceΛఆٛ͢ Δ • ಛఆͷΫϥεͷಛఆͷϝιου͕࣮ߦ͞ΕΔ લ΍ޙʹɺ࣮ߦ͢ΔॲཧΛఆٛ͢Δ
32. Pointcutͷఆٛ @Aspect public class RepositoryPointcut { // UserRepositoryͷsaveϝιου͕࣮ߦ͞ΕΔ࣌఺(Join Point)ΛPointcutͱͯ͠ఆٛ @Pointcut("execution(* com.onigra.springaopsample.repository..UserRepository+.save(..))") public void save() {} }
33. Adviceͷఆٛ @Aspect @Component public class LoggingAdvice { private static final Logger LOGGER = LoggerFactory.getLogger(LoggingAdvice.class); @Before(“com.onigra.springaopsample.aspect.UserPointcut.save()") public void beforeSave(JoinPoint joinPoint) { LOGGER.info("UserRepositoryͷsaveϝιου࣮ߦલʹϩάΛग़ྗ͢Δ"); } }
34. RailsͰݴ͏ͱCallback͔ͳ
35. AOPͱCallback͸ ࣅͯඇͳΔ΋ͷ
36. RailsͷCallback • ActiveSupport::Callbacks#run_callbacksʹ
 ϒϩοΫΛ౉͢͜ͱͰ࣮ݱ • Rubyͷݴޠͱͯ͠ͷػೳΛར༻͍ͯ͠Δ
37. Spring AOP • όΠτίʔυม׵ • ίϯύΠϧޙͷόΠφϦΛվม͠ɺॲཧΛࠩ ͠ࠐΉ
38. TransactionͰͷAOP • Rails͸ɺActiveRecord::Transactions.transactionʹϒϩοΫΛ౉͢ • Spring Framework͸ɺTransactionΛ͔͚͍ͨ
 ϝιουʹର͠ɺTransactionalΞϊςʔγϣϯ(෇Ճ৘ใ)Λ෇༩ • RailsͷΑ͏ʹɺϓϩάϥϜͷதͰ੍ޚΛߦ͏ํ๏ʹର͠ɺʮಛఆ ͷϝιουͷ࣮ߦ࣌ʹτϥϯβΫγϣϯΛ͔͚Δʯͱ͍͏
 એݴΛߦ͏͜ͱΛɺʮએݴతτϥϯβΫγϣϯʯͱݺͿ • ※ϓϩάϥϛϯάʹΑΔτϥϯβΫγϣϯ؅ཧ΋Ͱ͖Δ
39. MVCͱ ϨΠϠʔυΞʔΩςΫνϟ
40. ΞϓϦέʔγϣϯͷ ϨΠϠʔԽͷ࿩ͱ MVC(MVC2, MVC Model2)ͷ࿩͸ શ͘ผͷ࿩ʂʂʂ
41. Railsͷ੹຿෼ׂͷ࿩͸ɺ ΞϓϦέʔγϣϯͷϨΠϠʔԽͷ࿩ͱɺ MVCͷ࿩͕ࠞͬͯ͟͠·͍ͬͯΔ ʢ͜ͱ͕ଟ͍ؾ͕͢Δʣ
42. ͞Βʹͦ͜ʹDDDʹ͓͚ΔαʔϏεͱ PofEAAͷαʔϏεͷ࿩͕ࠞͬͯ͟ େมͳ͜ͱʹ…
43. ΞϓϦέʔγϣϯઃܭʹ͓͚Δ ϨΠϠͷ֓೦ͱ͸ • ݩ͸Client-Server Modelͷߟ͑ํ • Webʹ΋ߟ͑ํ͕Ԡ༻͞Εɺൃల͖ͯͨ͠ • ͔͠͠ɺΞʔΩςΫνϟ΍จݙʹΑ༷ͬͯʑ ͳϨΠϠʔͷ໊শ͕ଘࡏ͢ΔͷͰ஫ҙ͕ඞཁ
44. ΫϥΠΞϯταʔόϞσϧʹ͓ ͚Δ3૚ΞʔΩςΫνϟ • ϓϨθϯςʔγϣϯ: UI • ΞϓϦέʔγϣϯ: ϏδωεϩδοΫ • σʔλ: σʔλΞΫηε
45. PofEAAʹ͓͚Δ3૚ΞʔΩςΫ νϟ • ϓϨθϯςʔγϣϯ: UI • υϝΠϯ: ϏδωεϩδοΫ • σʔλιʔε: σʔλΞΫηε
46. ͜ͷجຊͱͳΔ3૚Ͱ ߟ͑ͯݟΔ
47. Spring Framework • ϓϨθϯςʔγϣϯ • View(Template Engine(ThymeLeaf౳)) • Controller(Spring MVC) • υϝΠϯ • Service(Spring Core) • Repository(Spring Core) • σʔλιʔε • Template(Spring Data) • ͦΕͧΕͷ૚͔ΒModelΛѻ͏
48. Spring Framework https://yo1000.gitbooks.io/self-study-spring/content/chapter1.html
49. Ruby on Rails • ϓϨθϯςʔγϣϯ • View(ActionView, View Template Engine(ERB౳)) • Controller(ActionController) • υϝΠϯ • Model(ActiveRecord, ActiveModel) • σʔλιʔε • Model(ActiveRecord)
50. ༷ʑͳϨΠϠʔԽͷύλʔϯ͕ ଘࡏ͢Δ • ΞϓϦέʔγϣϯʹΑͬͯɺద੾ͳϨΠϠԽ ͸ҟͳΔ • จ຺΍ΞʔΩςΫνϟʹΑͬͯɺ໊শ͕ඃͬ ͨΓҟͳͬͨΓ૿͑ͨΓ͢Δͷʹ஫ҙ • ϨΠϠͷҙຯΛཧղ͠ɺద੾ͳϨΠϠΛબ୒ ͠Α͏
51. ·ͱΊ
52. 2ͭͷϑϨʔϜϫʔΫΛ
 ൺֱͯ͠ • Rails͸ϢʔεέʔεΛߜͬͯɺׂΓ੾ͬͨઃܭʹ͍ͯ͠Δ • ͦͷ෼ɺϚον͠ͳ͍Ϗδωεཁ݅ʹΑͬͯɺਏΈ͸౰વग़Δ • Spring Framework͸ɺ͸͡Ί͔Β޿͍ϢʔεέʔεʹରԠ͢Δ ͜ͱΛ໨ࢦ͍ͯ͠Δ • ෳࡶͳϏδωεཁ݅΍ɺ௕ظతͳ֦ுͷՄೳੑΛߟ͑Δͱɺ Spring Framework͸༏Εͨબ୒ࢶ • ҰํͰɺ͋Β͔͡Ίཧղ͓ͯ͘͠΂͖จ຺ɺ஌͕ࣝଟ͍
53. 2ͭͷϑϨʔϜϫʔΫΛ
 ൺֱͯ͠ • ઃܭͷ෯Λ٘ਜ਼ʹͭͭ͠΋ɺ֮͑Δ͜ͱΛݮΒͯ͠։ ൃ଎౓Λ্͛Δ͜ͱ͕Ͱ͖ΔActiveRecord͸΍͸Γศ ར • ੹຿΍໊শɺจ຺Λཧղ্ͨ͠ͰΞʔΩςΫνϟύλʔ ϯΛ࢖͍͜ͳ͢ͷ͸େม͔ͩΒɺେ୾ʹMVCͱ͍͏෼ ྨΛͨ͠ͷͰ͸ʁ • ͦ͏ߟ͑ΔͱDHHϚδͰ͍͢͝…
54. ฏຌͳ݁࿦Ͱ͕͢ • ͲͪΒͷํ͕༏Ε͍ͯΔͱ͍͏࿩Ͱ͸ͳ͘ɺ ϑϨʔϜϫʔΫ΍ΞʔΩςΫνϟͷࢥ૝ͱ
 ϢʔεέʔεΛཧղ͠ɺద੾ͳٕज़બఆΛͯ͠ ͍͖·͠ΐ͏
55. ҟͳΔݴޠͷϑϨʔϜϫʔΫ΍ ઃܭࢥ૝ʹ৮ΕΔ͜ͱ͸ɺ ઃܭͷ෯Λ޿͛Δ͜ͱʹͭͳ͕Δ