DDD導入して感じた課題(実装コスト) その解決のために行ったこと

Transcript

1. DDDಋೖͯ͠ײͨ͡՝୊(࣮૷ίετ)
   ͦͷղܾͷͨΊʹߦͬͨ͜ͱ
   

   View Slide

2. ࠤ౻୓ਓ
   4BUP5BLVUP
   
   
   
   େֶ ݐஙֶઐ߈
   ଔۀޙɺ
   גࣜձࣾϫʔΫεΞϓϦέʔγϣϯζʹೖࣾ
   ձܭγεςϜͷιϑτ΢ΣΞ։ൃΛ୲౰
   ಛʹࡒ຿ձܭͷ࢓༁ؔ࿈
   ϏοτΩʔ΁ࢀը
   &$αΠτͷ։ൃอकɺࣾ಺γεςϜͷ։ൃ
   5B,V5Zͷ։ൃ
   ࠓͷ)PNFͷલ਎ͱͳΔ3FTJEFODFνʔϜʹ഑ଐ
   CJUMPDLΛѻ͏؅ཧը໘΍όοΫΤϯυɺBQQͷ։ൃ
   ʹैࣄ
   )PNFϓϩμΫτ
   ෳࡶͳࣄ৅ΛಡΈղ͍ͯߏ଄Խ͠ɺந৅Խ൚༻Խ
   Ͱ͖ΔΑ͏ʹઃܭ͠ɺ௿ίετͰଟ͘ͷՁ஋Λͩͤ
   Δ։ൃΛ͢Δ͜ͱΛ޷Ή
   

   View Slide

3. 1. ͸͡Ίʹ
   ࿩͢಺༰
   DDDΛಋೖͯ͠Έͯײͨ͡՝୊(࣮૷ίετ)
   ΁ͷରԠํ๏ͱߟ͑ͨ͜ͱ
   
   
   

   View Slide

4. ͸͡Ίʹ
   
   
   

   View Slide

5. 
   
   ͸͡Ίʹ
   

   View Slide

6. 
   
   ͸͡Ίʹ
   

   View Slide

7. ͸͡Ίʹ
   ಛ௃
   ର৅ྖҬ͕ͻΖ͍
   ྖҬΛΧόʔ(ͭͳ͛Δ)͜ͱͰՁ஋͕ग़Δ
   ݶΒΕͨϦιʔεͰ೗Կʹޮ཰తͳ։ൃ͢Δ͔
   1ͭͷ։ൃͰଟ͘ͷՁ஋͕ग़ͤΔ։ൃΛॏࢹ
   
   
   

   View Slide

8. ͸͡Ίʹ
   ଟ͘ͷػೳΛര଎Ͱ։ൃͨ݁͠Ռ...
   
   
   

   View Slide

9. 
   ՝୊
   - ଞػೳͰෆ੔߹ͱͳΔσʔλΛ࡞Δ࣮૷͕Մೳ
   - Өڹൣғͷ೺Ѳࠔ೉Ͱɺಛఆσʔλར༻ՕॴνΣοΫ͕ඞཁ & ͭΒ͍
   - ௐࠪ࣌ͳͲσʔλ͔Βݱঢ়ͷεςʔλε೺Ѳ͕ࠔ೉ (σʔλભҠ)
   - σʔλमਖ਼࣌ʹඞཁͳՕॴͷચ͍ग़͕͠ࠔ೉ (ػೳ × σʔλͷؔ࿈)
   - validation౳ͷϩδοΫ͕ࢄཚͯ͠ػೳमਖ਼͕େม…
   - ొ࿥஋ͷೝࣝͷ࢓ํ͕֤ػೳࠩҟ͕͋Γػೳमਖ਼࣌ʹͭΒ͍…
   - Ͳ͜ʹͲͷΑ͏ͳ࣮૷͞Ε͍ͯΔ͔ೝ͕ࣝͣΕΔ͜ͱ͕͋Δ
   - service૚ˠservice૚ˠ...→service૚ˠ update & commit
   
   ͸͡Ίʹ
   

   View Slide

10. 1. ݎ࿚ੑ
    ར༻͢Δଆͷ࣮૷ͷ࢓ํʹΑΒͣɺϧʔϧ͕ݫक͞ΕΔ
    1. ஌ࣝͷू໿
    ར༻ՕॴͷιʔεΛղಡ͢Δ͜ͱͳ͘ɺڍಈͷ೺Ѳ͕Մೳ
    
    
    ͸͡Ίʹ
    ՝୊ղܾͷϙΠϯτ
    

    View Slide

11. 1. ݎ࿚ੑ
    ར༻͢Δଆͷ࣮૷ͷ࢓ํʹΑΒͣɺϧʔϧ͕ݫक͞ΕΔ
    1. ஌ࣝͷू໿
    ར༻ՕॴͷιʔεΛղಡ͢Δ͜ͱͳ͘ɺڍಈͷ೺Ѳ͕Մೳ
    
    
    ͸͡Ίʹ
    ˠ͜ΕΛղܾ͢ΔͨΊʹ%%%ͷ࢓૊ΈΛར༻
    ˞ϘτϜΞοϓͷߟ͑ํ
    ՝୊ղܾͷϙΠϯτ
    

    View Slide

12. ΍ͬͯΈͯ
    
    
    

    View Slide

13. ͦͷ݁Ռ
    ΍ͬͯΈͯ
    
    
    

    View Slide

14. ΍ͬͯΈͯ
    
    
    ϑΝΠϧ͕૿͑ͯ
    ͳΜ͔࣮૷ྔ͕૿͑ͯ...ͭΒ͍
    

    View Slide

15. ΍ͬͯΈͯ
    
    
    ྫ
    ݐ෺ͷొ࿥ͷॲཧ
    1ͭͷݐ෺ʹෳ਺ͷ෺͕݅ඥͮ͘
    ݐ෺ + ෺݅ Λू໿ͱ͢Δ
    

    View Slide

16. ΍ͬͯΈͯ
    
    
    BuildingFirestoreType
    BuildingFirestoreCollectionPath
    PropertyFirestoreType
    PropertyFirestoreCollectionPath
    RegisterBuildingUsecase
    σʔλϕʔε(Firestore)ͷఆٛ
    σʔλऔಘ/ߋ৽͸΋ͪΖΜ
    
    
    όϦσʔγϣϯͷॲཧ
    
    
    σʔλͷՃ޻΋
    

    View Slide

17. ΍ͬͯΈͯ
    
    
    BuildingFirestoreType
    BuildingFirestoreCollectionPath
    PropertyFirestoreType
    PropertyFirestoreCollectionPath
    RegisterBuildingUsecase
    σʔλϕʔε(Firestore)ͷఆٛ
    
    
    (ͦͷ··)
    

    View Slide

18. ΍ͬͯΈͯ
    
    
    BuildingFirestoreType
    BuildingFirestoreCollectionPath
    PropertyFirestoreType
    PropertyFirestoreCollectionPath
    RegisterBuildingUsecase
    BuildingEntity
    BuildingRepository
    AddressValueObject
    PropertryFirstCollection
    PropertyEntity
    RentChargeValueObject
    PropertyStatusValueObject
    CheckDuplicationDomainService
    υϝΠϯ
    σʔλϕʔε(Firestore)ͷఆٛ
    
    
    (ͦͷ··)
    

    View Slide

19. ΍ͬͯΈͯ
    
    
    BuildingFirestoreType
    BuildingFirestoreCollectionPath
    PropertyFirestoreType
    PropertyFirestoreCollectionPath
    RegisterBuildingUsecase
    BuildingEntity
    BuildingRepository
    AddressValueObject
    PropertryFirstCollection
    PropertyEntity
    RentChargeValueObject
    PropertyStatusValueObject
    CheckDuplicationDomainService
    υϝΠϯ
    BuildingRepositoryFirestore
    BuildingFirestoreConverter
    PropertyFirestoreConverter
    σʔλϕʔε(Firestore)ͷఆٛ
    
    
    (ͦͷ··)
    ϞσϧΛIFʹ
    
    
    σʔλϕʔεʹ
    
    
    ΞΫηε͢Δॲཧ
    

    View Slide

20. ΍ͬͯΈͯ
    ৽͘͠EntityΛ࡞ͬͯ...ͬͯͳΔͱ...͜ΕΒΛ࣮૷͠ͳ͚Ε͹ͳΒ
    ͳ͍...ɻ
    ͜Ε͚ͩͰɺ
    - ؾ࣋ͪͱͯ͠ԯ߷ʹͳΔ
    - ॳಈ͕஗͘ͳΔ
    
    
    …ͷͰɺ͜ΕΛղܾ͍ͨ͠ʂ
    

    View Slide

21. ΍ͬͯΈͯ
    usecaseʹهࡌ͍ͯͨ͠ॲཧΛద੾ʹ੾Γग़͍ͯ͠Δ
    ͱ͍͏఺͸ϝϦοτʂ͕ͩ...
    ϑΝΠϧ਺ͷ૿Ճ
    ϑΝΠϧ෼ׂʹ൐͏Interfaceͷ௥Ճ
    Ϋϥεͷఆٛʹ൐͏࣮૷ྔͷ૿Ճ
    Ϟσϧͱσʔλͷม׵ॲཧ
    ͸ͭΒ͍...ɻ
    
    
    

    View Slide

22. ΍ͬͨ͜ͱ
    
    
    

    View Slide

23. ͭΒ͍͜ͱ / ղܾ͍ͨ͜͠ͱ
    ΍ͬͨ͜ͱ
    
    
    

    View Slide

24. ͭΒ͍͜ͱ / ղܾ͍ͨ͜͠ͱ
    ΍ͬͨ͜ͱ
    
    
    ػցతͳ࡞ۀ͕ଟ͍...
    (ଟ͘ײ͡Δ)
    

    View Slide

25. ͭΒ͍͜ͱ / ղܾ͍ͨ͜͠ͱ
    ΍ͬͨ͜ͱ
    
    
    ػցతͳ࡞ۀ͕ଟ͍...
    (ଟ͘ײ͡Δ)
    → ػցతͳ෦෼͸ࣗಈԽʂ
    (πʔϧ࡞ͬͯࣗಈԽͨ͠)
    

    View Slide

26. ΍ͬͨ͜ͱ
    
    
    BuildingFirestoreType
    BuildingFirestoreCollectionPath
    PropertyFirestoreType
    PropertyFirestoreCollectionPath
    RegisterBuildingUsecase
    BuildingEntity
    BuildingRepository
    AddressValueObject
    PropertryFirstCollection
    PropertyEntity
    RentChargeValueObject
    PropertyStatusValueObject
    CheckDuplicationDomainService
    BuildingRepositoryFirestore
    BuildingFirestoreConverter
    PropertyFirestoreConverter
    ྫ͑͹...
    Buildingͷ৔߹
    

    View Slide

27. ΍ͬͨ͜ͱ
    
    
    

    View Slide

28. ΍ͬͨ͜ͱ
    
    
    ϑΟʔϧυ͸
    
    
    ಠࣗཁૉ
    constructor͸ػցతʹܾ·Δ
    ΠϯελϯεԽ͢ΔͨΊͷϝιου͸
    
    
    ػցతʹܾ·Δ෦෼΋͋Δ͕
    
    
    ॳظ஋౳͸ݸผ࣮૷
    σʔλΛݩʹΠϯελϯεԽ͢Δ৔߹͸
    
    
    reconstructϝιουΛհ͢ΔΑ͏ʹ͓ͯ͠Γ
    
    
    ػցతʹܾ·Δ
    ଞݸผϝιου͸ݸผ࣮૷
    

    View Slide

29. ΍ͬͨ͜ͱ
    
    
    buildingRepository.ts IDΛݩʹऔಘ͢Δϝιου͸
    
    
    อଘ͢Δϝιου͸
    
    
    ݪଇඞཁͱͳΔͷͰ
    
    
    ػցతʹ࡞ͬͯ͠·͑Δ
    ಛఆͷϑΟʔϧυͰͷߜΓࠐΈ
    ͸
    
    
    ݸผ࣮૷͕ඞཁ
    buildingFirestoreType.ts
    Entityͱ࣋ͪํม͑ΔͳΒݸผఆ͕ٛඞཁ
    
    
    Entityͱಉ࣋ͪ͡ํ͢ΔͳΒػցతʹܾ·Δ
    
    
    (※EntityͷFirstCollection͸আ֎)
    

    View Slide

30. ΍ͬͨ͜ͱ
    
    
    Entityͱσʔλͷ࣋ͪํ͕ҟͳΔ৔
    ߹
    
    
    ʹ͸ػցతʹߦ͏͜ͱ͸೉͍͕͠
    
    
    Entityͱσʔλͷ࣋ͪํ͕ಉ͡৔߹
    
    
    ʹ͸ػցతʹܾΊΔ͜ͱ͕Մೳ
    σʔλΛݩʹEntityʹม׵͢Δॲཧ
    
    
    Ϟσϧಠࣗͷ࣮૷Λ͢ΔΘ͚Ͱ͸ͳ
    ͍͕൥ࡶʹͳΓ͕ͪ....
    
    
    ϑΟʔϧυ๨Εͯͯɺಛఆͷ஋͕Ҿ
    ͖ܧ͕Εͳ͍...ͬͯ͜ͱ΋...
    

    View Slide

31. ΍ͬͨ͜ͱ
    
    
    buildingRepositoryFirestore.ts
    buildingͱpropertyͷσʔλͷϦϨʔγϣ
    ϯͷ΋ͨͤํΛػցతʹܾΊΒΕΔ࢓૊
    Έͱ͓͚ͯ͠͹ػցతʹܾ·Δ
    
    
    هࡌ͍ͯ͠Δͷ͸propertyʹbuilding+Idͷ
    จࣈྻͰbuildingͷIdΛอ࣋͢ΔͱܾΊͨ
    ৔߹ͷྫ
    BuildingRepositoryΛfirestoreͰ࣮૷ͨ͠Ϋϥε
    

    View Slide

32. ΍ͬͨ͜ͱ
    - ϑΝΠϧ໊ / Ϋϥε໊͸ػցతʹܾΊΒΕΔ
    - Entity΍Repository͸ڞ௨ॲཧΛ·ͱΊΒΕΔ
    ※ ܧঝͰղܾͰ͖Δ෦෼΋͋Δ
    - σʔλͷ࣋ͪํ = EntityͷཁૉͱͰ͖ΔͳΒɺ
    σʔλܕఆٛ΍convertॲཧ͸ػցతʹܾ·Δ
    
    
    

    View Slide

33. ΍ͬͨ͜ͱ
    Entityͷཁૉ = σʔλͷ࣋ͪํ Λݫक͢Δඞཁ͸ͳ͍
    ͕ɺഎܠͱͯ͠ݱঢ়طଘ࣮૷ͷϦϑΝΫλ + ݎ࿚ੑͷ޲্Λ༏ઌతʹ
    ߦ͓ͬͯΓɺ
    Entityͷཁૉ = σʔλͷ࣋ͪํ ͱܾΊ࣮ͯ૷ਐΊͨͱͯ͠΋ϝϦοτ
    ͕͋Γར༻Ͱ͖ΔՕॴʹ͸ੵۃతʹ࠾༻
    
    
    

    View Slide

34. ΍ͬͨ͜ͱ
    ओͳม਺
    - Ϟσϧ໊ (Building)
    - छผ (Entity / ValueObject / FirstCollection …)
    - ཁૉ (code:string, address: AddressValueObject)
    
    
    → ্ه͕ఆٛ͞Ε͍ͯΕ͹ɺޙ͸ػցతʹܾΊΒΕͦ͏
    ػցతʹܾΊΔͨΊʹඞཁͳཁૉ
    

    View Slide

35. ΍ͬͨ͜ͱ
    ఆٛϑΝΠϧ͔ΒࣗಈͰιʔεΛ
    ࡞ΔπʔϧΛར༻ʢࣗ࡞ʣ
    
    
    ͳʹΛ͔ͨ͠ͱ͍͏ͱ...
    ※ݱࡏࢼݧӡ༻த..,
    

    View Slide

36. ΍ͬͨ͜ͱ
    
    
    ఆٛϑΝΠϧͷΠϝʔδ
    ※openapiͷschemaͷϑΥʔϚοτʹଇͬͯهࡌ
    

    View Slide

37. ΍ͬͨ͜ͱ
    ఆٛϑΝΠϧ
    ʴ
    npm run gen
    Ͱ...
    
    
    

    View Slide

38. ΍ͬͨ͜ͱ
    
    
    

    View Slide

39. ΍ͬͨ͜ͱ
    
    
    

    View Slide

40. ΍ͬͨ͜ͱ
    
    
    

    View Slide

41. ΍ͬͨ͜ͱ
    
    
    

    View Slide

42. ΍ͬͨ͜ͱ
    ͜ΕΒ͕ࣗಈͰ࡞੒͞Εͯ
    ޙ͸ݸผ෦෼Λద࣮ٓ૷ʂ
    
    
    

    View Slide

43. ΍ͬͨ͜ͱ
    
    
    Ϟσϧͱͷม׵΋ର৅ͱ͍ͯ͠ΔͷͰɺORMతͳཁૉ΋͋Γ·͕͢ɺ
    ҎԼ؍఺Λॏཁࢹ͍ͯ͠·͢
    ɾORMͷཁૉ͸͋͘·ͰҰ෦ɻݱࡏͷߏ੒ʹ͓͍࣮ͯ૷Λָʹ͢Δ
    ͨΊͷ࢓૊Έɻ
    ɾશϞσϧͷม׵ॲཧΛࣗಈੜ੒ͷ࢓૊ΈʹدͤΔඞཁ͸ͳ͍ɻಛʹ
    ORMͷ෦෼͸ෳࡶͳදݱ͸೉͍͠ͷͰɺݸผ࣮૷΋͘͠͸αϙʔτ
    తͳཱͪҐஔʹཹΊΔɻ
    

    View Slide

44. ΍ͬͨ͜ͱ
    
    
    ৺͕͚ͨ఺
    ঢ়گ͝ͱͷ࢖͍෼͚
    ɾΑ͋͘Δγϯϓϧͳύλʔϯ͸ۃྗશࣗಈ
    ɾෳࡶͳύλʔϯ΍ྫ֎͸Ұ෦αϙʔτ
    ࣗಈԽͷ࢓ํ
    ɾॳظςϯϓϨʔτΛ࡞੒ͯͦ͜͠ʹݸผ࣮૷
    ɾఆٛϑΝΠϧͱৗʹ࿈ಈ
    ɾ্هͷ૊Έ߹Θͤ
    

    View Slide

45. ·ͱΊ
    
    
    

    View Slide

46. ·ͱΊ
    
    
    ੒Ռ
    ɾDomainModel ͱӬଓԽ૚ͷߏ଄͕ဃ཭͍ͯ͠ͳ͍৔߹ʹ
    ͸ඇৗʹڧྗͰɺΑΓυϝΠϯͷ࣮૷ʹूதͰ͖Δɻ
    ※ ͨͩ͠ແཧʹDomainModel ͱӬଓԽ૚ͷߏ଄Λ߹ΘͤΔ
    ͱຊ຤స౗ͱͳΔͷͰͦͷ৔߹ʹ͸ɺར༻͠ͳ͍ or ςϯϓ
    Ϩʔτͱͯ͠ੜ੒ͨ͠ޙʹݸผमਖ਼͢Δɻ
    

    View Slide

47. ·ͱΊ
    
    
    ෭࢈෺
    ɾϑΝΠϧ΍σΟϨΫτϦɺΫϥεͷ໋໊نଇ͕పఈͰ͖Δ
    ɾ࡞ۀલʹͨ͠ߏ੒ͷ੔ཧ͠ɺͦΕ͕ޮՌతͩͬͨɻ౰ॳ
    ඞཁ͔΋ͱࢥ͍ͬͯͨϑΝΠϧ΍ΫϥεΛഉআͯ͠ΑΓγϯ
    ϓϧʹͰ͖ͨ
    

    View Slide

48. ·ͱΊ
    
    
    ࠓޙ
    ɾӡ༻͢Δ্Ͱ࢖͍ͮΒ͞վળ / ରԠύλʔϯ௥Ճ
    ɾURLਤͳͲͷՄࢹԽରԠ
    ɾӡ༻ํ๏ͷվળ
    

    View Slide

49. 
    

    View Slide

50. Appendix
    
    
    ● DomainModel ←
    infractructure ͷ
    ιʔε࣮૷ྔ௿ݮ
    

    View Slide

51. Domain Object ͷશମ૾
    
    
    1. Appendix
    

    View Slide

52. Entity / ValueObject
    
    
    1. Appendix
    

    View Slide

53. AbstractDomainObject
    
    
    1. Appendix
    

    View Slide

54. AbstractLooseEntity
    
    
    1. Appendix
    

    View Slide

55. AbstractValueObject
    
    
    1. Appendix
    

    View Slide

56. DIͷ࣮ݱํ๏
    
    
    1. Appendix
    

    View Slide

57. DIͷ࣮ݱํ๏
    
    
    1. Appendix
    

    View Slide

58. Queue Smaple
    
    
    1. Appendix
    

    View Slide

59. Queue Smaple આ໌
    
    
    1. Appendix
    ˙2VFVF
    ɾ2VFVFΛ؅ཧ͢ΔͨΊͷσʔλ
    ɾॲཧத͔൱͔ɺॲཧ͍ͯ͠ΔUBTL͕ͳʹ͔ͳͲΛ؅ཧ͢Δ
    ˙2VFVF5BTL
    ɾ2VFVFʹੵ·ΕͨλεΫ
    ɾॲཧதͱͳΔλΠϛϯάͰ࡟আ͞Εɺॲཧʹࣦഊ͠ϦτϥΠର৅ͱͳͬͨλΠϛϯάͰ࠶ੜ੒͞ΕΔ
    ɾجຊతʹ͸FORVFVF͞Εͨ೔࣌ॱʹλεΫΛ࣮ߦ͢Δ
    ɾ༏ઌ౓͕ࢦఆ͞Εͯݴ͏৔߹ʹ͸༏ઌ౓͕ߴ͍ॱʹ࣮ߦ͢Δ
    ˙2VFVF5BTL3FTVMU
    ɾ2VFVFͷ࣮ߦ݁ՌΛ؅ཧ͢ΔͨΊͷσʔλ
    ɾॲཧࣦഊͯ͠ϦτϥΠ͢Δ৔߹ͳͲ͸ɺϦτϥΠ͝ͱʹ݁ՌσʔλΛੜ੒͢Δ
    ɾ5BTL&OUSZʹ͸࠷ऴతͳ݁ՌͷΈ֨ೲ͢Δ
    ˙2VFVF&OUSZ
    ɾ2VFVFλεΫΛ؅ཧ͢Δݩσʔλ
    ɾλεΫੜ੒࣌ʹຊσʔλ͕ੜ੒͞ΕΔ
    ɾλεΫ࣮ߦʹඞཁͳ৘ใͱɺ࠷௿ݶͷεςʔλεͷ؅ཧΛߦ͏
    ɾ࣮ࡍʹ2VFVF্ͷσʔλભҠΛ؅ཧ͢Δσʔλ͸ผ
    ˙2VFVF&OUSZ4VCUBTL
    ɾͭͷ&OUSZΛ࣮ݱ͢ΔͨΊʹෳ਺ͷ5BTLΛ࣮ߦ͢Δඞཁ͕͋Δ৔߹ʹ
    ɹෳ਺ͷ5BTLΛ4VC5BTLͱͯ͠؅ཧ͢Δ
    

    View Slide