Object-Oriented Abstraction of Redis Sorted Set

https://github.com/Altech/red_blocks
https://speee.connpass.com/event/84915/

Transcript

1. 0CKFDU0SJFOUFE"CTUSBDUJPO
   PG3FEJT4PSUFE4FU
   4PIFJ5BLFOP!3FKFDU,BJHJ
   

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2. "CPVUNF
   !"MUFDI@
   8BOUFEMZ *OD
   "QQMJDBUJPO&OHJOFFS
   1SPpMF%BUB4USBUFHZ(SPVQ
   4PIFJ5BLFOP
   

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3. ໨࣍
   3FEJTʹ͍ͭͯ4PSUFE4FUͷ༻ྫ
   Α͋͘Δ3FEJTͷݺͼํ3FEJTΫϥΠΞϯτΛ࢖͏
   3FE#MPDLTͷ঺հΫϥεʹந৅Խ͢Δ
   ·ͱΊ
   

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4. 3FEJTʹ͍ͭͯ
   4PSUFE4FUͷ༻ྫ
   

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5. 3FEJTʹ͍ͭͯ
   4FU )BTI౳ׂͱߴڃͳσʔλܕΛඋ͑ͨΠϯϝϞϦ,74
   8FCαʔϏεͷߴ଎Խͱ͔ͰΑ͘࢖ΘΕΔ
   4PSUFE4FU
   3FEJT͕ఏڙ͢ΔσʔλܕͷҰͭ
   είΞ෇͖ͷཁૉͷू߹ʢείΞͰιʔτ͞Ε͍ͯΔʣ
   ϥϯΩϯάʹ࢖͑Δ
   ू߹ʹରͯ͠࿨ू߹΍ੵू߹ͱݴͬͨԋࢉ΋༻ҙ͞Ε͍ͯΔ
   είΞ͸σϑΥϧτͰ଍͠߹Θ͞ΕΔ
   ਪનɾݕࡧͳͲԿ͔Λ୳͢Ұཡը໘ͷ࣮૷ʹ΋࢖͑Δ
   

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6. 4PSUFE4FUͷ༻ྫ
   
   4UBS਺Ͱιʔτ͞ΕͨϦϙδτϦ
   ݴޠ͕3VCZ·ͨ͸1ZUIPOͰॻ͔ΕͨϦϙδτϦ
   ࠓिͷτϨϯυʹࡌ͍ͬͯΔϦϙδτϦ
   ࠓिͷτϨϯυʹࡌ͍ͬͯͯɺ͔ͭݴޠ͕3VCZ·ͨ͸1ZUIPOͰॻ͔ΕͨϦϙδτϦ
   

   ݴޠ͕3VCZͰॻ͔Ε͍ͯͯɺ͔ͭYNMΛΩʔϫʔυͱؚͯ͠ΉϦϙδτϦ
   [શͯͷϦϙδτϦ(Star ਺ΛείΞʹ࣋ͭ)]
   [ݴޠ͕ Ruby ͷϦϙδτϦ] ∪ [ݴޠ͕ Python ͷϦϙδτϦ]
   [ࠓिͷτϨϯυʹؚ·ΕΔϦϙδτϦ]
   [ࠓिͷτϨϯυʹؚ·ΕΔϦϙδτϦ] ∩ 

   ([ݴޠ͕ Ruby ͷϦϙδτϦ] ∪ [ݴޠ͕ Python ͷϦϙδτϦ])
   [ݴޠ͕ Ruby ͷϦϙδτϦ] ∪
   [จষதʹ “xml” ΛؚΉϦϙδτϦ(ݕࡧΤϯδϯͷධՁ஋ΛείΞʹ࣋ͭ)]
   

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7. ͱ͜ΖͰɿͲͷٕज़ʹدͤΔ͔໰୊
   Ϛελʔσʔλతͳ΋ͷ͸%#ʹೖΕΒΕ͍ͯΔ͜ͱ͕ଟ͍

   㲈"DUJWF3FDPSE͍ͬͯ͏࠷ߴͷ03.BQQFS͕͋Δ3VCZΛ࢖͍͍ͨʁ
   FHϦϙδτϦͷ࡞੒೔࣌ɺ4UBS਺
   શจݕࡧΛ͍ͨ͠ͷͰݕࡧΤϯδϯ͕࢖͍͍ͨ
   FHYNMΛΩʔϫʔυͱؚͯ͠Ή
   ػցֶशΛऔΓೖΕ͍ͨͷͰ1ZUIPOͰαʔόʔॻ͖͍ͨ
   FHਪનΛ͍ͨ͠ͷͰॱҐ෇͚͸౎౓ܭࢉ͍ͨ͠
   

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8. ҰͭͷղܾҊɿ3FEJTͰ౷߹͢Δ
   ߴ଎ͳ3FEJT্ͰܭࢉͰ͖Δ
   Ωϟογϡػೳ΋෇ՃͰ͖Δ
   DGҰཡը໘͸଎౓͕ٻΊΒΕ͕ͪ
   

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9. Α͋͘Δ3FEJTͷݺͼํ
   3FEJTΫϥΠΞϯτΛ࢖͏
   

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10. ೋͭͷू߹ͷੵΛऔͬͯ݅औಘ͢Δ
    3FEJTΫϥΠΞϯτΛ࢖͏ͱͻͨ͢Βखଓ͖తʹͳΔ
    ؔ਺ʹ·ͱΊΔ͜ͱ͸Ͱ͖Δ͕ɺେ͖͘վળ͠ͳ͍
    c = Redis.new
    if c.ttl(“src1”) < 0
    c.zadd("src1", [[32.0, "a"], [64.0, “b”]])
    c.expire("src1", 60)
    end
    if c.ttl(“src2”) < 0
    c.zadd("src2", [[44.0, "a"], [21.0, "c"]])
    c.expire("src2", 60)
    end
    c.zinterstore("dest", ["src1", "src2"])
    c.expire("dest", 10)
    c.zrevrange("dest", 0, 5) #=> [“a"]
    dest = src1 ∩ src2
    

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11. ࢖͍·ΘͤΔΑ͏ʹΩʔΛఆٛ͢Δ
    ͜͏͍͏Ωʔੜ੒ΛΑ͘΍Δʢ͏͔ͬΓΩʔ͕িಥͨ͠Γ͠ͳ͍ʁʣ
    lࠓिͷτϨϯυʹࡌ͍ͬͯͯɺ͔ͭݴޠ͕3VCZ·ͨ͸1ZUIPO
    Ͱॻ͔ΕͨϦϙδτϦz

    <ࠓिͷτϨϯυ>㱯 <ݴޠ͕3VCZ>㱮<ݴޠ͕1ZUIPO>
    

    ɾɾɾΈ͍ͨͳෳࡶͳू߹ͷΩʔ͸Ͳ͏΍ܾͬͯΊΑ͏ʁ
    def user_repository_key(user_id)
    "user_repositories:#{user_id}"
    end
    c.zadd(
    user_repository_key(user_id),
    get_user_repositories(user_id)
    )
    

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12. ଞʹ΋࣮ࡍʹӡ༻͢Δ্Ͱ͸৭ʑ͋Δ
    ۭͷέʔε
    ԋࢉதʹσʔλ͕ඈΜͩΒͲ͏͢Δʁ
    ɾɾɾ
    

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13. ͜ΕΛ࡞Δ্ͰϑΥʔΧε͍ͨ͜͠ͱ
    
    ֤αϒγεςϜͷग़ྗΛͲ͏૊Έ߹ΘͤΔ͔

    ʜ"/%ͳͷ͔03ͳͷ͔ɺείΞΛͲ͏૊Έ߹ΘͤΔ͔
    
    ͦΕͧΕͷܭࢉஈ֊ʹ͓͚ΔσʔλΛͲͷఔ౓Ωϟογϡ͢Δ͔
    ந৅ԽͰղܾ
    

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14. 3FE#MPDLTͷ঺հ
    Ϋϥεʹந৅Խ͢Δ
    

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15. HFN3FE#MPDLT
    3FEJTͷ4PSUFE4FUʹؔ͢Δந৅ԽΛఏڙ
    ࣮ࡍͷαʔϏεͰ࢖ΘΕ͍ͯΔ΋ͷΛ੾Γग़ͨ͠ͷͰɺ৭ʑࡉ
    ͔͍ศརΫϥε΋ؚ·ΕΔ
    IUUQTHJUIVCDPN"MUFDISFE@CMPDLT
    

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16. جఈΫϥεɿ3FE#MPDLT4FU
    SFRVJSFEkey_suffix, get
    PQUJPOBMcache_time
    class RepositorySearchService::LanguageSet < RedBlocks::Set
    def initialize(language)
    raise ArgumentError unless Repository::LANGS.include?(language)
    @language = language
    end
    def key_suffix
    @language.to_s
    end
    def get
    Repository.where(language: @language).pluck(:id)
    end
    def cache_time
    60.minutes
    end
    end
    

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17. جຊతͳ࢖͍ํ
    set = RepositorySearchService::LanduageSet.new(:Ruby)
    # ઌ಄5݅Λऔಘ
    set.ids #=> [341, 325, 932, 421, 523]
    # 10ϖʔδ໨Λऔಘ
    set.ids(paginator: RedBlocks::Paginator.new(per: 10, page:
    10))
    # શମͷ݅਺Λऔಘ
    set.size #=> 2314
    # Redis ͷΩʔΛ֬ೝ
    set.key #=> “RB:RepositorySearchService::LanguageSet:Ruby”
    # ໌ࣔతʹ Redis ্ͷσʔλΛ࠷৽ʹ͢Δ
    set.update!
    

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18. ΑΓৄ͘͠ʜ
    3FE#MPDLT4FUHFU
    3FE#MPDLT4FUJET
    3FE#MPDLT4FULFZ@TV⒏Y
    3FE#MPDLT4FUVQEBUF
    

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19. 3FE#MPDLT4FUHFUείΞͳ͠ͱείΞ͋Γ
    ཁૉʢJEʣͷϦετɺ·ͨ͸ཁૉͱείΞͷϖΞͷϦετΛฦͤΔ
    ཁૉͷϦετΛฦͨ͠৔߹ɺείΞ͸શͯʹͳΔ
    ू߹ಉ࢜ͷԋࢉͷࡍɺείΞ͸σϑΥϧτͰ଍͞ΕΔͷͰɺͦ͸શମͷείΞʢॱংʣʹӨڹΛ༩͑ͳ͍
    ॱংʹڵຯ͕ͳ͘ɺ͍ΘΏΔ਺ֶతͳҙຯͰͷू߹Λఆ͍ٛͨ͠৔߹ɺγϯϓϧʹཁૉ͚ͩΛฦͤ͹ྑ͍
    def get
    Repository.where(language: @language).pluck(:id)
    end
    def get
    Repository.all.pluck(:id, :star_count)
    end
    ಛఆͷݴޠͷϦϙδτϦͷू߹ɿ
    શͯͷϦϙδτϦͷू߹ʢελʔ਺ΛείΞʹ࣋ͭʣɿ
    

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20. 3FE#MPDLT4FUJETۭू߹ͷදݱ
    3FEJTͷ4PSUFE4FUͷ࢓༷Ͱ͸ɺ಺แ͢Δཁૉ͕݅Ͱ͋Δͱ͍͏ঢ়ଶͱɺ
    4PSUFE4FUࣗମ͕ଘࡏ͠ͳ͍ͱ͍͏ঢ়ଶΛ۠ผͰ͖ͳ͍
    ͔͠͠ɺʮۭͷू߹Ͱ͋Δʯͱ͍͏ঢ়ଶ΋Ωϟογϡ͍ͨ͠ʢྫ͑͹ɺಛఆͷΩʔ
    ϫʔυʹΑΔશจݕࡧͷ݁Ռ͕݅Ͱ͋Δͱ͍͏͜ͱࣗମΛΩϟογϡ͍ͨ͠ʣ
    ࣮ࡏ͢Δཁૉ͕஋ͱͯ͠औΓಘͳ͍΋ͷʢA3FE#MPDLTDPOpHCMBOL@JEAʣΛɺ
    શͯͷ4PSUFE4FUʹඞؚͣΊΔΑ͏ʹ͍ͯ͠Δ
    def ids(paginator: Paginator.new)
    update! if disabled?
    RedBlocks.client.zrevrange(key,
    paginator.head, paginator.tail
    ).reject { |id|
    id == RedBlocks.config.blank_id
    }
    end
    

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21. 3FE#MPDLT4FULFZ@TV⒏YΩʔͷମܥԽ
    શମͷ໊લۭؒ3FE#MPDLT͕ར༻͢ΔϕʔεͱͳΔ໊લۭؒ
    ΫϥεϨϕϧͷࣝผࢠLFZ@QSFpYΫϥε໊Λࣗಈతʹ࠾༻
    ΠϯελϯεϨϕϧͷࣝผࢠLFZ@TV⒏YϢʔβʔ͕ఆٛ͢Δ
    ௨ৗɺΦϒδΣΫτͷଐੑΛҰҙͳจࣈྻදݱʹ͢Ε͹ྑ͍
    <શମͷ໊લۭؒ>:<ΫϥεϨϕϧͷࣝผࢠ>:<ΠϯελϯεϨϕϧͷࣝผࢠ>
    set = RepositorySearchService::LanguageSet.new(:Ruby)
    set.key #=> “RB:RepositorySearchService::LanguageSet:Ruby”
    

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22. 3FE#MPDLT4FUVQEBUFσʔλͷࠩ෼ߋ৽
    Ұ౓શͯΛ࡟আ͔ͯ͠Β৽͘͠σʔλΛೖΕΔͱ͍͏ํ๏ͩͱɺ
    σʔλ͕ͳ͘ͳͬͯ͠·͏ॠ͕ؒ͋Δ
    ΞοϓσʔτલͱޙͰൺֱ͠ɺফ͑ͨཁૉͷΈΛ࡟আ͢Δ
    είΞ͸શͯߋ৽͢Δ
    def update!
    entries = normalize_entries(validate_entries!(self.get))
    removed_ids = self.ids(paginator: Paginator.all,
    update_if_disabled: false) - entries.map(&:last)
    RedBlocks.client.pipelined do
    RedBlocks.client.zrem(key, removed_ids) if removed_ids.size > 0
    RedBlocks.client.zadd(key, all_entries)
    RedBlocks.client.expire(key, expiration_time)
    end
    end
    

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23. ू߹ԋࢉΛѻ͏ɿ
    3FE#MPDLT6OJPO4FU
    3FE#MPDLT*OUFSTFDUJPO4FU
    

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24. 3FE#MPDLT6OJPO4FU3FE#MPDLT*OUFSTFDUJPO4FU
    HFU3FEJTʹ৐ͬͯͳ͍શͯͷ಺แ͢Δू߹ʹରͯ͠AVQEBUFAΛൃߦͨ͠
    ޙɺA[VOJPOTUPSF EFTU TSD TSD
    AͰԋࢉ݁ՌΛ֨ೲ
    LFZ@TV⒏YΠϯελϯεϨϕϧͷࣝผࢠʹશͯͷ಺แ͢Δू߹ͷΩʔͷλϓϧ
    ”[#{ruby_set.key}|#{python_set.key}]"Έ͍ͨͳΠϝʔδ
    set1 = RedBlocks::UnionSet.new([ruby_set, python_set])
    # ܭࢉ݁ՌΛΩϟογϡ͢Δ͜ͱ΋Մೳ
    set1 = RedBlocks::UnionSet.new([ruby_set, python_set],
    cache_time: 3.minutes
    )
    # ෳࡶͳωετ΋΋ͪΖΜՄೳ
    set2 = RedBlocks::IntersectionSet.new(starred_count_set, set1)
    ˞HFU LFZ@TV⒏Y͸ϥΠϒϥϦଆͰ࣮૷͍ͯ͠ΔͷͰɺΫϥεఆٛͳ͠Ͱར༻Մೳ
    

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25. 3FEJT্ͷσʔλͷੜଘظؒ
    

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26. 3FEJT্ͷσʔλͷੜଘظؒ
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    

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27. 3FEJT্ͷσʔλͷੜଘظؒ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    

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28. 3FEJT্ͷσʔλͷੜଘظؒ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    

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29. 3FEJT্ͷσʔλͷੜଘظؒ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    3FEJT্Ͱ"ͱ#ͷ࿨ू߹Λܭࢉ͠อଘ $
    
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    

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30. 3FEJT্ͷσʔλͷੜଘظؒ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    3FEJT্Ͱ"ͱ#ͷ࿨ू߹Λܭࢉ͠อଘ $
    
    $͔ΒσʔλΛҾ͘
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    

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31. 3FEJT্ͷσʔλͷੜଘظؒ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    3FEJT্Ͱ"ͱ#ͷ࿨ू߹Λܭࢉ͠อଘ $
    
    ྫ͑͹ɺ͜͜ʹདྷΔ·Ͱʹ"͕FYQJSF
    ͪ͠ΌͬͨΒɾɾɾ
    $͔ΒσʔλΛҾ͘
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    

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32. 3FEJT্ͷσʔλͷੜଘظؒ
    શͯͷू߹ͷϛχϚϜ
    ͷੜଘظؒΛΩϟογϡ
    ظؒͱ͸ผʹઃఆ͢Δ
    ͦͷؒʹશͯͷॲཧ
    ͕ऴΘΔඞཁ͕͋Δ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    3FEJT্Ͱ"ͱ#ͷ࿨ू߹Λܭࢉ͠อଘ $
    
    ྫ͑͹ɺ͜͜ʹདྷΔ·Ͱʹ"͕FYQJSF
    ͪ͠ΌͬͨΒɾɾɾ
    $͔ΒσʔλΛҾ͘
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    

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33. 3FEJT্ͷσʔλͷੜଘظؒ
    શͯͷू߹ͷϛχϚϜ
    ͷੜଘظؒΛΩϟογϡ
    ظؒͱ͸ผʹઃఆ͢Δ
    ͦͷؒʹશͯͷॲཧ
    ͕ऴΘΔඞཁ͕͋Δ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    3FEJT্Ͱ"ͱ#ͷ࿨ू߹Λܭࢉ͠อଘ $
    
    ྫ͑͹ɺ͜͜ʹདྷΔ·Ͱʹ"͕FYQJSF
    ͪ͠ΌͬͨΒɾɾɾ
    $͔ΒσʔλΛҾ͘
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    def expiration_time
    RedBlocks.config.min_ttl
    + self.cache_time
    end
    

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34. 3FEJT্ͷσʔλͷੜଘظؒ
    શͯͷू߹ͷϛχϚϜ
    ͷੜଘظؒΛΩϟογϡ
    ظؒͱ͸ผʹઃఆ͢Δ
    ͦͷؒʹશͯͷॲཧ
    ͕ऴΘΔඞཁ͕͋Δ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    3FEJT্Ͱ"ͱ#ͷ࿨ू߹Λܭࢉ͠อଘ $
    
    ྫ͑͹ɺ͜͜ʹདྷΔ·Ͱʹ"͕FYQJSF
    ͪ͠ΌͬͨΒɾɾɾ
    $͔ΒσʔλΛҾ͘
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    def expiration_time
    RedBlocks.config.min_ttl
    + self.cache_time
    end
    

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35. 3FEJT্ͷσʔλͷੜଘظؒ
    શͯͷू߹ͷϛχϚϜ
    ͷੜଘظؒΛΩϟογϡ
    ظؒͱ͸ผʹઃఆ͢Δ
    ͦͷؒʹશͯͷॲཧ
    ͕ऴΘΔඞཁ͕͋Δ
    3VCZͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ "
    
    1ZUIPOͷू߹Λ%#͔ΒҾ͍ͯ3FEJTʹอଘ #
    
    3FEJT্Ͱ"ͱ#ͷ࿨ू߹Λܭࢉ͠อଘ $
    
    ྫ͑͹ɺ͜͜ʹདྷΔ·Ͱʹ"͕FYQJSF
    ͪ͠ΌͬͨΒɾɾɾ
    $͔ΒσʔλΛҾ͘
    U
    ಺෦ͰߦΘΕΔॲཧͷྲྀΕ
    3FE#MPDLT6OJPO4FUOFX
    JET
    def expiration_time
    RedBlocks.config.min_ttl
    + self.cache_time
    end
    RedBlocks.config.min_tll ʼ
    

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36. ྫɿϦϙδτϦΛݕࡧ͢ΔαʔϏεΫϥε
    

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37. 3FE#MPDLT6OJPO4FU3FE#MPDLT*OUFSTFDUJPO4FU
    class RepositorySearchService
    def initialize(params); @params = params end
    def fetch(per: nil, page: nil)
    case format
    when :ids
    set.ids(paginator: RedBlocks::Paginator.new(per || 10, page || 1))
    when :count
    set.size
    end
    end
    def set
    @set ||= build_set(@params)
    end
    def build_set(params)
    sets = [PublicSet.new]
    sets += params.map { |key, value|
    case key.to_sym
    when :languages
    RedBlocks::UnionSet.new(value.map { |v| LanguageSet.new(v) })
    when :tags
    RedBlocks::UnionSet.new(value.map { |v| TagSet.new(v) })
    when :keywords
    RedBlocks::UnionSet.new(value.map { |v| KeywordSet.new(v) })
    when :order
    case value.to_sym
    when :starred
    StarredSet.new
    when :recent
    RecentSet.new
    end
    end
    }.compact
    RedBlocks::IntersectionSet.new(sets, cache_time: 5.minutes).unset
    end
    end
    

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38. ݕ౼ɿ3FE#MPDLTͰͲ͏มΘ͔ͬͨ
    ಉ༷ͷϩδοΫΛ࣋ͭू߹ΛΫϥε୯ҐͰ·ͱΊΒΕΔ
    ྫɿݴޠʢʹ֘౰͢ΔϦϙδτϦͷू߹ʣΫϥε3VCZʢʹ֘౰͢ΔϦϙδτ
    Ϧͷू߹ʣΠϯελϯε
    ݸผͷσʔλΛҾ͘෦෼Λ4FUΫϥεɺ౷߹Λ4FSWJDFͰߦ
    ͏ͱ͍͏෼཭͕Ͱ͖Δ
    ྫɿ֤αϒγεςϜ΁ͷΞΫηε͸4FUΫϥεͷHFUϝιουʹہॴԽ͞ΕΔ
    3FEJTʹؔ͢Δ༷ʑͳৄࡉ࣮૷Λ౎౓ߟྀ͢Δඞཁ͕ͳ͍
    ྫɿ࿨ू߹ͷΩʔΛߟ͑Δඞཁ͕ͳ͍
    

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39. ݕ౼ɿ3FE#MPDLTͰͲ͏มΘ͔ͬͨ
    ಉ༷ͷϩδοΫΛ࣋ͭू߹ΛΫϥε୯ҐͰ·ͱΊΒΕΔ
    ྫɿݴޠʢʹ֘౰͢ΔϦϙδτϦͷू߹ʣΫϥε3VCZʢʹ֘౰͢ΔϦϙδτ
    Ϧͷू߹ʣΠϯελϯε
    ݸผͷσʔλΛҾ͘෦෼Λ4FUΫϥεɺ౷߹Λ4FSWJDFͰߦ
    ͏ͱ͍͏෼཭͕Ͱ͖Δ
    ྫɿ֤αϒγεςϜ΁ͷΞΫηε͸4FUΫϥεͷHFUϝιουʹہॴԽ͞ΕΔ
    3FEJTʹؔ͢Δ༷ʑͳৄࡉ࣮૷Λ౎౓ߟྀ͢Δඞཁ͕ͳ͍
    ྫɿ࿨ू߹ͷΩʔΛߟ͑Δඞཁ͕ͳ͍
    ͷΑ͏ͳ΋ͷ΋؆୯ʹͭ͘ΕΔ
    

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40. ·ͱΊ
    

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41. ·ͱΊ
    3FEJTͷ4PSUFE4FUΛ3VCZͰ4FUΫϥεͱͯ͠ఏڙ
    3FEJTʹରͯ͠ద੾ͳந৅ԽΛߦ͏͜ͱͰɺෳࡶͳॲཧ͕
    3VCZͰهड़Մೳʹͳͬͨ
    ͦΕʹΑΓɺ3VCZͰ΋ਪનγεςϜͷ౷߹ॲཧͷΑ͏ͳ΋ͷ
    Λ࡞Δ͜ͱ͕Ͱ͖Δ
    ϝΠϯͷॲཧ͸$Ͱॻ͔Εͨ3FEJTͰߦ͏͜ͱͰɺ

    3VCZͱ͍͏ݴޠͷԸܙʢߴੜ࢈ੑɾΤίγεςϜ౳ʣΛ

    ੑೳͱཱ྆͠ͳ͕ΒڗडͰ͖Δ
    ࠓޙɿ4PSUFE4FUҎ֎ͷσʔλܕʹ͍ͭͯͷݕ౼ɺ౳
    

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