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ドメイン駆動設計 勉強会 〜 ドメインサービス編 〜 / 2024-03-05
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Takuma Yamamoto
March 05, 2024
Programming
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ドメイン駆動設計 勉強会 〜 ドメインサービス編 〜 / 2024-03-05
Takuma Yamamoto
March 05, 2024
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Transcript
υϝΠϯۦಈઃܭ ษڧձ Takuma Yamamoto ʙ υϝΠϯαʔϏεฤ ʙ
BIOGRAPHY ͋ͳͨ୭Ͱ͔͢ʁ 5BLVNB:BNBNPUP 8PSLBUTOBQNF 'SPN.JZB[BLJ 4/4 झຯ ɾɹɹIUUQTHJUIVCDPNUBNBHPLFSBO ɾɹɹIUUQTUXJUUFSDPNZBNBUBLV ɾɹɹIUUQTRJJUBDPNUBNBHPLFSBO
ɾɹɹIUUQT[FOOEFWUBNBHPLFSBO ɾ͓ͭ ɾαφ ɾΞχϝ ɾɹɹIUUQTOPUFDPNUBNBHPLFSBO ࠷͍ۙͬͯΔ͜ͱ ɾΤϯδχΞ࠾༻શൠ ɾ-BNCEBΛͬͨ$3.ͷ࣮
INTRODUCTION Ҿ͖ଓ͖͜ͷຊΛࢀߟʹ͍ͯ͠·͢ ࠳ંͨ͠%%%Λࠓ͔ͦͬ͜͠ΓֶͿͨΊɺ։ൃऀʹͱͬͯ༏͍͠ೖॻͰ͋ΔʮυϝΠϯۦಈ ઃܭೖʯΛҾ͖ଓ͖ࢀߟʹ͍ͯ͠·͢ɻ
INTRODUCTION υϝΠϯϞσϧ͔Β࣮ʹམͱ͠ࠐΉ෦ʹϑΥʔΧε վΊͯͷઆ໌ʹͳΓ·͕͢ɺ͜ͷษڧձͰ։ൃऀʹͱͬͯཧղ͍͢͠lϞσϦϯάͨ֓͠೦Λ࣮ ʹམͱ͠ࠐΉͨΊͷύλʔϯzʹϑΥʔΧε͍ͯ͠·͢ɻ αϯϓϧίʔυͳͲҰॹʹڞ༗͠ͳ͕ΒਐΊΔͷͰɺͥͻΠϝʔδΛΒ·ͤͯɺۀʹ׆͔ͤͦ͏ ͳ෦Λ୳͍͚ͯͨͩ͠Εͱࢥ͍·͢ʂ υϝΠϯͷ֓೦ υϝΠϯϞσϧ υϝΠϯ ΦϒδΣΫτ
͜͜ʹूத
Previous Review લճͷৼΓฦΓ
REVIEW ΦϒδΣΫτฒͼʹ “” ͕࣋ͭੑ࣭ ΦϒδΣΫτͦͷ໊ͷ௨Γɺzzͱͯ͠ͷੑ࣭Λ࣋ͭΦϒδΣΫτͰͨ͠ɻͦͯ͠ɺzz͕࣋ͬ ͍ͯΔੑ࣭ͱͯ͠ɺҎԼͷΑ͏ͳͷ͕ڍ͛ΒΕ͍ͯ·ͨ͠ɻ ɾෆมͰ͋Δ ɾަ͕ՄೳͰ͋Δ ɾՁੑʹΑͬͯൺֱ͞ΕΔ
REVIEW ΤϯςΟςΟ͕࣋ͭੑ࣭ ΦϒδΣΫτͱਅٯͷΑ͏ͳੑ࣭Λ࣋ͭͱ͞Ε͍ͯͨͷ͕lΤϯςΟςΟzͰͨ͠ɻ۩ମతʹҎ ԼͷΑ͏ͳੑ࣭͕ڍ͛ΒΕ͍ͯ·ͨ͠Ͷɻ ɾՄมͰ͋Δ ɾಉ͡ଐੑͰ͋ͬͯ۠ผ͞ΕΔ ɾಉҰੑΛͭ
INTRODUCTION ࠓͷࡐ “υϝΠϯαʔϏε” Ͱ͢ ։ൃΛ͍ͯ͠ΔͱlΦϒδΣΫτzlΤϯςΟςΟzʹఆٛ͢Δͱෆࣗવʹͳͬͯ͠·͏;Δ·͍ ͕ग़͖ͯ·͢ɻͦΕΛղফͯ͘͠ΕΔυϝΠϯΦϒδΣΫτ͕lυϝΠϯαʔϏεzͰ͢ɻ ΦϒδΣΫτ ΤϯςΟςΟ ;Δ·͍ ෆࣗવ…
What’s an unnatural behavior? ۩ମతʹෆࣗવͳ;Δ·͍ͱͲ͏͍ͬͨͷͰ͠ΐ͏͔ʁ
LESSON ۩ମతͳྫΛϕʔεʹߟ͑ͯΈ·͢ Ϣʔβʔ͕ॏෳ͍ͯ͠ͳ͍͔Λ֬ೝ͢ΔϝιουΛɺΤϯςΟςΟͰ͋Δ6TFSΫϥεʹఆٛͨ͠ ߹Λߟ͑·͢ɻ ͰγεςϜ্ͰϢʔβʔ͕ॏෳ͍ͯ͠ͳ͍͔Λ֬ೝ͢ΔͨΊɺίʔυΛ࣮͠Α͏ͱ͢ΔͱͲ͏ͳ ΔͰ͠ΐ͏͔ʁ
LESSON Ϣʔβʔ͕ࣗʹॏෳΛ֬ೝ͢Δͱ͍͏ෆࣗવ͞ 6TFSΫϥεʹॏෳ֬ೝͷϝιουΛ࣮͢ΔͱɺϢʔβʔ͕ࣗʹରͯ͠ॏෳ͍ͯ͠ͳ͍͔Λ֬ೝ͢ Δͱ͍͏ෆࣗવͳίʔυʹͳͬͯ͠·͍·͢ɻ ͜ͷෆࣗવ͞Λճආ͢ΔͨΊʹɺ6TFSΫϥεͷΠϯελϯεͱͯ֬͠ೝ༻ΦϒδΣΫτΛੜ͢Δ ํ๏͋Γ·͢ɻ
LESSON ෆࣗવ͞Λճආͯ͠ະͩΔෆࣗવ͞ ॏෳ֬ೝ༻ͷΦϒδΣΫτΛੜ͢Δ͜ͱͰɺzϢʔβʔ͕ࣗʹ͍߹ΘͤΔzͱ͍͏ෆࣗવ͞Λճ ආ͢Δ͜ͱͰ͖·͢ɻ͔͠͠ɺ6TFSΫϥεΛΠϯελϯεԽͨ͠zϢʔβʔΛද͢ΦϒδΣΫτͰ ͋Γͳ͕ΒɺϢʔβʔͰͳ͍zͱ͍͏ผͷෆࣗવ͞Λͯ͠͠·͍·͢ɻ ͜͏͍ͬͨෆࣗવ͞ΛղফͰ͖Δͷ͕ɺzυϝΠϯαʔϏεzͱ͍͏υϝΠϯΦϒδΣΫτͰ͢ɻ
LESSON ෆࣗવ͞Λղܾ͢ΔΦϒδΣΫτ “υϝΠϯαʔϏε” ΦϒδΣΫτΤϯςΟςΟʹఆٛ͢ΔͱෆࣗવʹͳΔ;Δ·͍ʢࠓճͩͱϢʔβʔͷॏෳ֬ೝʣ ɺҎԼͷΑ͏ʹzυϝΠϯαʔϏεzͱ࣮ͯ͢͠Δͱɺͦͷෆࣗવ͞Λղܾ͢Δ͜ͱ͕Ͱ͖·͢ɻ ˞ΦϒδΣΫτΤϯςΟςΟͱҧ͍ɺࣗͷ;Δ·͍Λมߋ͢ΔΑ͏ͳΠϯελϯεಛ༗ͷঢ়ଶΛͪ·ͤΜɻ
Important things for using “Domain Service” υϝΠϯαʔϏεΛ༻͢Δ্Ͱҙ͖͢͜ͱ
LESSON υϝΠϯαʔϏεΛཞ༻ͯ͠͠·͏ͱ… ͯ͢ͷ;Δ·͍υϝΠϯαʔϏεʹهड़Ͱ͖ͯ͠·͍·͢ɻຊདྷΦϒδΣΫτΤϯςΟςΟ ʹఆ͖ٛ͢ॲཧΛυϝΠϯαʔϏεͰ࣮ͯ͠͠·͏ͱԿ͕ى͜ΔͰ͠ΐ͏͔ʁ ͯ͢ͷ;Δ·͍ΛυϝΠϯαʔϏεͰ࣮ͯ͠͠·͏ͱ
LESSON υϝΠϯϞσϧශ݂Λىͯ͜͠͠·͏ υϝΠϯαʔϏεʹͯ͢ͷ;Δ·͍هड़͢Δͱɺ6TFSΫϥεʹҎԼͷΑ͏ͳهࡌ͔͠Γ· ͤΜɻ͜ΕͰϢʔβʔͱ͍͏υϝΠϯʹͲͷΑ͏ͳ;Δ·͍ϧʔϧ͕ଘࡏ͢Δͷ͔ɺಡΈऔΔ͜ ͱ͕ෆՄೳʹͳͬͯ͠·͍·͢Ͷɻ ͜ͷΑ͏ʹຊདྷυϝΠϯΦϒδΣΫτ͕ޠΔ͖͜ͱΛɺԿޠ͍ͬͯͳ͍ঢ়ଶͷ͜ͱΛzυϝΠϯ Ϟσϧශ݂zͱݴ͍·͢ɻ ͭ·ΓɺυϝΠϯαʔϏεΛཞ༻͢Δ͜ͱͰσʔλͱ;Δ·͍͕அઈ͠ɺϩδοΫ͕ࡏ͢Δ͜ͱΛ ڐ͠ɺมߋ༰қੑͷԼΛট͍ͯ͠·͍·͢ɻΑͬͯɺΦϒδΣΫτΤϯςΟςΟʹఆٛ͢Δͱ ෆࣗવͳͷ͚ͩΛυϝΠϯαʔϏεͰ࣮͢Δͷ͕Αͦ͞͏Ͱ͢ɻ
Where do we use Domain Service? εφοΫϛʔͩͱɺͲ͜ͰυϝΠϯαʔϏεΛར༻͍ͯ͠Δ͔ʁ
GitHub Ͱ୳ͯ͠Έ·͠ΐ͏ʂ
Summary υϝΠϯαʔϏεʹ͍ͭͯ·ͱΊΔͱ…
SUMMARY υϝΠϯαʔϏεʹֶ͍ͭͯΜͰΈͯ… ɾυϝΠϯαʔϏεͷ͍Ͳ͜Ζ ɹɾΦϒδΣΫτΤϯςΟςΟʹهड़͢Δͱෆࣗવʹͳͬͯ͠·͏ͱ͖ ɾυϝΠϯαʔϏεͷཞ༻Λආ͚Δ͖ཧ༝ ɹɾυϝΠϯΦϒδΣΫτ͔ΒԿಡΈऔΕͳ͘ͳͬͯ͠·͏ ɹɾϩδοΫͷࡏΛڐ͢͜ͱʹͳΓɺมߋ༰қੑΛԼͤͯ͞͠·͏ ɾΦϒδΣΫτΤϯςΟςΟʹهड़͢Δͱෆࣗવͳͱ͖ʹ͚ͩ༻͢Δ͜ͱ
Recruitment ΤϯδχΞืूதͰ͢ʂ
RECRUITMENT We are Hiring! εφοΫϛʔͰɺʮ͓ͭͱɺੈքΛ໘ന ͘ʯ͍ͯ͘͠ɺͦΜͳ׆ಈΛࣄͱͯ͠औΓ Έ͍ͨΤϯδχΞΛืू͍ͯ͠·͢ɻ IUUQTUFBNTOBRNFDPN εφοΫϛʔ࠾༻