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Fat Modelを解消するためのCQRSアーキテクチャ
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Terai Shogo
October 28, 2023
6
9.7k
Fat Modelを解消するためのCQRSアーキテクチャ
Kaigi on Rails 2023 (
https://kaigionrails.org/2023/talks/krpk1900/
) で発表した内容です。
Terai Shogo
October 28, 2023
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Transcript
גࣜձࣾ:0653645 ࣉҪলޗ ,BJHJPO3BJMT 'BU.PEFMΛղফ͢ΔͨΊͷ $234ΞʔΩςΫνϟ
ࣗݾհ w ࣉҪলޗ !LSQL@EFW w גࣜձࣾ:0653645 ʙ w
,BJHJPO3BJMT0SHBOJ[FS ʙ w झຯͰݸਓ։ൃ w ੮ସ͑ϝʔΧʔ w େ୩ϝʔλʔ w ੈքҰηΩϡϦςΟ͕ݎ࿚ͳΞϓϦͳͲ !LSQL@EFW
w ຊͷΩϟϦΞ4/4ʰ:0653645ʱ w ΩϟϦΞͷػձΛಘΒΕΔ4/4 w ޭใुͳ͠Ͱ࠾༻Ͱ͖Δ4BB4 αʔϏεհ
ຊηογϣϯͰ͓͢Δ͜ͱ w ίʔυͷݟ௨͠Λྑ͘͢ΔͨΊʹɺ࣮ࡍʹ:0653645Ͱ࠾༻͍ͯ͠Δ $234ΞʔΩςΫνϟΛհ
'BU.PEFM 'BU$POUSPMMFSʹ Μͩ͜ͱ͋Γ·ͤΜ͔ʁ
'BU.PEFMɺ'BU$POUSPMMFSͱʁ w .PEFM$POUSPMMFS͕ଟ͘ͷϩδοΫΛ࣋ͬͨ݁Ռɺ ίʔυ͕ංେԽ͠ɺՄಡੑϝϯςφϯεੑ͕͘ͳͬͯ͠·͏
'BU.PEFMɺ'BU$POUSPMMFSͱʁ w .PEFM$POUSPMMFS͕ଟ͘ͷϩδοΫΛ࣋ͬͨ݁Ռɺ ίʔυ͕ංେԽ͠ɺՄಡੑϝϯςφϯεੑ͕͘ͳͬͯ͠·͏ ωετ͕ਂ͘ͳͬͯ͠·͍ͬͯͨΓɺ
'BU.PEFMɺ'BU$POUSPMMFSͱʁ w .PEFM$POUSPMMFS͕ଟ͘ͷϩδοΫΛ࣋ͬͨ݁Ռɺ ίʔυ͕ංେԽ͠ɺՄಡੑϝϯςφϯεੑ͕͘ͳͬͯ͠·͏ ଟ͘ͷυϝΠϯ͕ݱΕɺ ϩδοΫ͕ෳࡶʹͳͬͯ͠·͍ͬͯΔ
'BU.PEFMɺ'BU$POUSPMMFSͱʁ w .PEFM$POUSPMMFS͕ଟ͘ͷϩδοΫΛ࣋ͬͨ݁Ռɺ ίʔυ͕ංେԽ͠ɺՄಡੑϝϯςφϯεੑ͕͘ͳͬͯ͠·͏ ॲཧͷશମ૾͕Ѳͮ͠Β͍ ӨڹൣғΛѲ͠ͳ͕Β ίʔυΛमਖ਼͢Δ͜ͱ͕ࠔ 😞
:0653645Ͱ $234ΞʔΩςΫνϟʹΑͬͯ ղܾ͍ͯ͠·͢
$234ΞʔΩςΫνϟͱʁ $PNNBOE 2VFSZ $MJFOU %# w ߋ৽ $PNNBOE ͱࢀর 2VFSZ
ͷΛ͢ΔΞʔΩςΫνϟ $PNNBOE2VFSZ3FTQPOTJCJMJUZ4FHSFHBUJPOίϚϯυɾΫΤϦύλʔϯ ߋ৽ ࢀর
:0653645ͷ߹ 6TF$BTF $PNNBOE .PEFM 2VFSZ $MJFOU %# w ಠࣗʹ6TF$BTFΛՃ͍ͯ͠Δ
6TF$BTFͱʁ w ෳͷ$PNNBOEΛΈ߹Θͤͯݺͼग़ׂ͢ w $POUSPMMFSͷߋ৽ܥΞΫγϣϯ DSFBUF VQEBUF EFTUSPZ ͔Βݺͼग़͞ΕΔ 1PTUT$POUSPMMFSSC
DSFBUFΞΫγϣϯ $SFBUF1PTU6TF$BTFSC $SFBUF1PTU$PNNBOESC %FTUSPZ1PTU%SBGU$PNNBOESC EFGDSFBUF ʜ FOE
6TF$BTFͱʁ w ෳͷ$PNNBOEΛΈ߹Θͤͯݺͼग़ׂ͢ w $POUSPMMFSͷߋ৽ܥΞΫγϣϯ DSFBUF VQEBUF EFTUSPZ ͔Βݺͼग़͞ΕΔ 1PTUT$POUSPMMFSSC
DSFBUFΞΫγϣϯ $SFBUF1PTU6TF$BTFSC $SFBUF1PTU$PNNBOESC %FTUSPZ1PTU%SBGU$PNNBOESC EFGDSFBUF ʜ FOE
6TF$BTFͱʁ w ෳͷ$PNNBOEΛΈ߹Θͤͯݺͼग़ׂ͢ w $POUSPMMFSͷߋ৽ܥΞΫγϣϯ DSFBUF VQEBUF EFTUSPZ ͔Βݺͼग़͞ΕΔ 1PTUT$POUSPMMFSSC
DSFBUFΞΫγϣϯ $SFBUF1PTU6TF$BTFSC $SFBUF1PTU$PNNBOESC %FTUSPZ1PTU%SBGU$PNNBOESC EFGDSFBUF ʜ FOE
࣮ࡍʹαϯϓϧίʔυͰղઆ
ߋ৽ܥͷαϯϓϧίʔυ $POUSPMMFS
ߋ৽ܥͷαϯϓϧίʔυ $POUSPMMFS ᶃ6TF$BTFΛݺͼग़͢
ߋ৽ܥͷαϯϓϧίʔυ $POUSPMMFS ᶄ6TF$BTFͷ݁ՌʹΑͬͯɺ ɹεςʔλείʔυΛग़͚͠Δ
ߋ৽ܥͷαϯϓϧίʔυ 6TF$BTF
ߋ৽ܥͷαϯϓϧίʔυ 6TF$BTF ϩοΫΛ͔͚ͨΓɺ τϥϯβΫγϣϯΛுΔॲཧ 6TF$BTFͰߦ͍ͬͯΔ
ߋ৽ܥͷαϯϓϧίʔυ 6TF$BTF ߘ࡞$PNNBOEΛ ݺͼग़͍ͯ͠Δ Լॻ͖আ$PNNBOEΛ ݺͼग़͍ͯ͠Δ 6TF$BTF͕ޭͨ͠Β ௨ॲཧΛݺͼग़͍ͯ͠Δ
ߋ৽ܥͷαϯϓϧίʔυ $PNNBOE
ߋ৽ܥͷαϯϓϧίʔυ $PNNBOE σʔλͷ߹ੑʹؔ͢Δ όϦσʔγϣϯΛߦ͍ͬͯΔ ˞ೝՄʹؔ͢ΔόϦσʔγϣϯ ɹ6TF$BTFͰߦ͍ͬͯΔ
ߋ৽ܥͷαϯϓϧίʔυ $PNNBOE όϦσʔγϣϯͰͳ͚Εɺ σʔλͷߋ৽Λߦ͍ͬͯΔ
ࢀরܥ 2VFSZ ͷ߹ w $POUSPMMFSϩδοΫΛ࣋ͨͣɺ2VFSZΛݺͼग़ͯ͠ಘΒΕͨ݁ՌΛ )551Ϩεϙϯεͱͯ͠ฦ͢ 1PTUT$POUSPMMFSSC JOEFYΞΫγϣϯ
1PTUT2VFSZSC EFGJOEFY ʜ FOE
ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS
ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS ᶃ2VFSZΛݺͼग़͢
ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS ᶄ2VFSZͷ݁ՌΛฦ͢
ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS ᶅσʔλιʔεΛϦʔυϨϓϦΧʹ ɹ͚Δ͜ͱͰෛՙΛࢄ
ࢀরܥͷαϯϓϧίʔυ 2VFSZ ߜΓࠐΈιʔτͳͲͷॲཧ 2VFSZͰߦ͍ͬͯΔ
$234ΞʔΩςΫνϟͷϝϦοτ w ࢀরܥͷϩδοΫ2VFSZʹɺߋ৽ܥͷϩδοΫ$PNNBOEʹ Γग़͢͜ͱʹΑͬͯɺ.PEFM$POUSPMMMFSͷංେԽΛ͛Δ w εέʔϧΞτʹΑͬͯύϑΥʔϚϯεΛ্ͤ͞ΔͨΊʹɺ ࢀরܥͱߋ৽ܥͷσʔλιʔεΛ͚Δ͜ͱ͕ΑΓ؆୯ʹͳΔ w
ͦΕͧΕͷΛ໌֬ʹ͠ɺదͳίʔυྔΛอͭ͜ͱͰɺ ୯ମςετ͕ॻ͖͘͢ͳΔ
$POUSPMMFSͷ w దͳεςʔλείʔυΛฦ͢͜ͱ w దͳҾͰ6TF$BTFΛݺͼग़͢͜ͱ
$POUSPMMFSͷςετ w దͳεςʔλείʔυΛฦ͢͜ͱ w దͳҾͰ6TF$BTFΛݺͼग़͢͜ͱ ϞοΫͨ͠6TF$BTF
6TF$BTFͷ w Τϥʔ͕ൃੜͤͣɺ6TF$BTF͕ޭ͢Δ͜ͱ w దͳҾͰ$PNNBOEΛݺͼग़͢͜ͱ
6TF$BTFͷςετ w Τϥʔ͕ൃੜͤͣɺ6TF$BTF͕ޭ͢Δ͜ͱ w దͳҾͰ$PNNBOEΛݺͼग़͢͜ͱ ิ ϞοΫͨ͠ $PNNBOE ϞοΫͨ͠ $PNNBOE
$PNNBOEͷ w Τϥʔ͕ൃੜͤͣɺ$PNNBOE͕ޭ͢Δ͜ͱ w σʔλͷߋ৽͕ߦΘΕΔ͜ͱ
$PNNBOEͷςετ w Τϥʔ͕ൃੜͤͣɺ$PNNBOE͕ޭ͢Δ͜ͱ w σʔλͷߋ৽͕ߦΘΕΔ͜ͱ
·ͱΊ w :0653645Ͱ࣮ࡍʹ࠾༻͍ͯ͠Δ$234ΞʔΩςΫνϟΛհͨ͠ w $PNNBOEɺ2VFSZɺ6TF$BTFͷΛ໌֬ʹ͠ɺίʔυΛΓग़͢͜ͱ ʹΑͬͯɺ$POUSPMMFS.PEFM͕ංେԽͯ͠͠·͏Λ͍Ͱ͍Δ
ऴΘΓʹ w ࠓαϯϓϧίʔυͰ͕ͨ͠ɺຊ൪ίʔυͰઆ໌͠·͢ w ਫ ͔Β։࠵ w ࢀՃDPOOQBTTΑΓ͓ਃ͠ࠐΈ͍ͩ͘͞ʂ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ