Fat Modelを解消するためのCQRSアーキテクチャ

by Terai Shogo

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גࣜձࣾ:0653645 ࣉҪলޗ ,BJHJPO3BJMT 'BU.PEFMΛղফ͢ΔͨΊͷ $234ΞʔΩςΫνϟ

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ࣗݾ঺հ w ࣉҪলޗ !LSQL@EFW w גࣜձࣾ:0653645 ʙ w ,BJHJPO3BJMT0SHBOJ[FS ʙ w झຯͰݸਓ։ൃ w ੮ସ͑ϝʔΧʔ w େ୩ϝʔλʔ w ੈքҰηΩϡϦςΟ͕ݎ࿚ͳΞϓϦͳͲ !LSQL@EFW

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w ೔ຊͷΩϟϦΞ4/4ʰ:0653645ʱ w ΩϟϦΞͷػձΛಘΒΕΔ4/4 w ੒ޭใुͳ͠Ͱ࠾༻Ͱ͖Δ4BB4 αʔϏε঺հ

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ຊηογϣϯͰ͓࿩͢Δ͜ͱ w ίʔυͷݟ௨͠Λྑ͘͢ΔͨΊʹɺ࣮ࡍʹ:0653645Ͱ࠾༻͍ͯ͠Δ   $234ΞʔΩςΫνϟΛ঺հ

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'BU.PEFM໰୊΍ 'BU$POUSPMMFS໰୊ʹ ೰Μͩ͜ͱ͸͋Γ·ͤΜ͔ʁ

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'BU.PEFM໰୊ɺ'BU$POUSPMMFS໰୊ͱ͸ʁ w .PEFM΍$POUSPMMFS͕ଟ͘ͷ੹຿΍ϩδοΫΛ࣋ͬͨ݁Ռɺ   ίʔυ͕ංେԽ͠ɺՄಡੑ΍ϝϯςφϯεੑ͕௿͘ͳͬͯ͠·͏໰୊

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'BU.PEFM໰୊ɺ'BU$POUSPMMFS໰୊ͱ͸ʁ w .PEFM΍$POUSPMMFS͕ଟ͘ͷ੹຿΍ϩδοΫΛ࣋ͬͨ݁Ռɺ   ίʔυ͕ංେԽ͠ɺՄಡੑ΍ϝϯςφϯεੑ͕௿͘ͳͬͯ͠·͏໰୊ ωετ͕ਂ͘ͳͬͯ͠·͍ͬͯͨΓɺ

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'BU.PEFM໰୊ɺ'BU$POUSPMMFS໰୊ͱ͸ʁ w .PEFM΍$POUSPMMFS͕ଟ͘ͷ੹຿΍ϩδοΫΛ࣋ͬͨ݁Ռɺ   ίʔυ͕ංେԽ͠ɺՄಡੑ΍ϝϯςφϯεੑ͕௿͘ͳͬͯ͠·͏໰୊ ଟ͘ͷυϝΠϯ͕ݱΕɺ ϩδοΫ͕ෳࡶʹͳͬͯ͠·͍ͬͯΔ

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'BU.PEFM໰୊ɺ'BU$POUSPMMFS໰୊ͱ͸ʁ w .PEFM΍$POUSPMMFS͕ଟ͘ͷ੹຿΍ϩδοΫΛ࣋ͬͨ݁Ռɺ   ίʔυ͕ංେԽ͠ɺՄಡੑ΍ϝϯςφϯεੑ͕௿͘ͳͬͯ͠·͏໰୊ ॲཧͷશମ૾͕೺Ѳͮ͠Β͍ ӨڹൣғΛ೺Ѳ͠ͳ͕Β ίʔυΛमਖ਼͢Δ͜ͱ͕ࠔ೉ 😞

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:0653645Ͱ͸ $234ΞʔΩςΫνϟʹΑͬͯ   ղܾ͍ͯ͠·͢

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$234ΞʔΩςΫνϟͱ͸ʁ $PNNBOE 2VFSZ $MJFOU %# w ߋ৽ $PNNBOE ͱࢀর 2VFSZ ͷ੹຿Λ෼཭͢ΔΞʔΩςΫνϟ $PNNBOE2VFSZ3FTQPOTJCJMJUZ4FHSFHBUJPOίϚϯυɾΫΤϦ੹຿෼཭ύλʔϯ ߋ৽ ࢀর

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:0653645ͷ৔߹ 6TF$BTF $PNNBOE .PEFM 2VFSZ $MJFOU %# w ಠࣗʹ6TF$BTFΛ௥Ճ͍ͯ͠Δ

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6TF$BTFͱ͸ʁ w ෳ਺ͷ$PNNBOEΛ૊Έ߹Θͤͯݺͼग़͢໾ׂ w $POUSPMMFSͷߋ৽ܥΞΫγϣϯ DSFBUF VQEBUF EFTUSPZ ͔Βݺͼग़͞ΕΔ 1PTUT$POUSPMMFSSC   DSFBUFΞΫγϣϯ $SFBUF1PTU6TF$BTFSC $SFBUF1PTU$PNNBOESC %FTUSPZ1PTU%SBGU$PNNBOESC EFGDSFBUF ʜ FOE

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࣮ࡍʹαϯϓϧίʔυͰղઆ

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ߋ৽ܥͷαϯϓϧίʔυ $POUSPMMFS

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ߋ৽ܥͷαϯϓϧίʔυ $POUSPMMFS ᶃ6TF$BTFΛݺͼग़͢

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ߋ৽ܥͷαϯϓϧίʔυ $POUSPMMFS ᶄ6TF$BTFͷ݁ՌʹΑͬͯɺ ɹεςʔλείʔυΛग़͠෼͚Δ

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ߋ৽ܥͷαϯϓϧίʔυ 6TF$BTF

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ߋ৽ܥͷαϯϓϧίʔυ 6TF$BTF ϩοΫΛ͔͚ͨΓɺ τϥϯβΫγϣϯΛுΔॲཧ͸   6TF$BTFͰߦ͍ͬͯΔ

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ߋ৽ܥͷαϯϓϧίʔυ 6TF$BTF ౤ߘ࡞੒$PNNBOEΛ ݺͼग़͍ͯ͠Δ Լॻ͖࡟আ$PNNBOEΛ ݺͼग़͍ͯ͠Δ 6TF$BTF͕੒ޭͨ͠Β ௨஌ॲཧΛݺͼग़͍ͯ͠Δ

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ߋ৽ܥͷαϯϓϧίʔυ $PNNBOE

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ߋ৽ܥͷαϯϓϧίʔυ $PNNBOE σʔλͷ੔߹ੑʹؔ͢Δ όϦσʔγϣϯΛߦ͍ͬͯΔ ˞ೝՄʹؔ͢ΔόϦσʔγϣϯ͸ ɹ6TF$BTFͰߦ͍ͬͯΔ

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ߋ৽ܥͷαϯϓϧίʔυ $PNNBOE όϦσʔγϣϯͰ໰୊ͳ͚Ε͹ɺ σʔλͷߋ৽Λߦ͍ͬͯΔ

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ࢀরܥ 2VFSZ ͷ৔߹ w $POUSPMMFS͸ϩδοΫΛ࣋ͨͣɺ2VFSZΛݺͼग़ͯ͠ಘΒΕͨ݁ՌΛ   )551Ϩεϙϯεͱͯ͠ฦ͢ 1PTUT$POUSPMMFSSC   JOEFYΞΫγϣϯ 1PTUT2VFSZSC EFGJOEFY ʜ FOE

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ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS

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ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS ᶃ2VFSZΛݺͼग़͢

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ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS ᶄ2VFSZͷ݁ՌΛฦ͢

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ࢀরܥͷαϯϓϧίʔυ $POUSPMMFS ᶅσʔλιʔεΛϦʔυϨϓϦΧʹ   ɹ޲͚Δ͜ͱͰෛՙΛ෼ࢄ

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ࢀরܥͷαϯϓϧίʔυ 2VFSZ ߜΓࠐΈ΍ιʔτͳͲͷॲཧ͸   2VFSZͰߦ͍ͬͯΔ

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$234ΞʔΩςΫνϟͷϝϦοτ w ࢀরܥͷϩδοΫ͸2VFSZʹɺߋ৽ܥͷϩδοΫ͸$PNNBOEʹ   ੾Γग़͢͜ͱʹΑͬͯɺ.PEFM΍$POUSPMMMFSͷංେԽΛ๷͛Δ w εέʔϧΞ΢τʹΑͬͯύϑΥʔϚϯεΛ޲্ͤ͞ΔͨΊʹɺ   ࢀরܥͱߋ৽ܥͷσʔλιʔεΛ෼͚Δ͜ͱ͕ΑΓ؆୯ʹͳΔ w ͦΕͧΕͷ੹຿Λ໌֬ʹ͠ɺద੾ͳίʔυྔΛอͭ͜ͱͰɺ   ୯ମςετ͕ॻ͖΍͘͢ͳΔ

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$POUSPMMFSͷ੹຿ w ద੾ͳεςʔλείʔυΛฦ͢͜ͱ w ద੾ͳҾ਺Ͱ6TF$BTFΛݺͼग़͢͜ͱ

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$POUSPMMFSͷςετ w ద੾ͳεςʔλείʔυΛฦ͢͜ͱ w ద੾ͳҾ਺Ͱ6TF$BTFΛݺͼग़͢͜ͱ ϞοΫͨ͠6TF$BTF

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6TF$BTFͷ੹຿ w Τϥʔ͕ൃੜͤͣɺ6TF$BTF͕੒ޭ͢Δ͜ͱ w ద੾ͳҾ਺Ͱ$PNNBOEΛݺͼग़͢͜ͱ

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6TF$BTFͷςετ w Τϥʔ͕ൃੜͤͣɺ6TF$BTF͕੒ޭ͢Δ͜ͱ w ద੾ͳҾ਺Ͱ$PNNBOEΛݺͼग़͢͜ͱ ิ଍ ϞοΫͨ͠ $PNNBOE ϞοΫͨ͠ $PNNBOE

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$PNNBOEͷ੹຿ w Τϥʔ͕ൃੜͤͣɺ$PNNBOE͕੒ޭ͢Δ͜ͱ w σʔλͷߋ৽͕ߦΘΕΔ͜ͱ

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$PNNBOEͷςετ w Τϥʔ͕ൃੜͤͣɺ$PNNBOE͕੒ޭ͢Δ͜ͱ w σʔλͷߋ৽͕ߦΘΕΔ͜ͱ

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·ͱΊ w :0653645Ͱ࣮ࡍʹ࠾༻͍ͯ͠Δ$234ΞʔΩςΫνϟΛ঺հͨ͠ w $PNNBOEɺ2VFSZɺ6TF$BTFͷ੹຿Λ໌֬ʹ͠ɺίʔυΛ੾Γग़͢͜ͱ ʹΑͬͯɺ$POUSPMMFS΍.PEFM͕ංେԽͯ͠͠·͏໰୊Λ๷͍Ͱ͍Δ

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ऴΘΓʹ w ࠓ೔͸αϯϓϧίʔυͰ͕ͨ͠ɺຊ൪ίʔυͰઆ໌͠·͢ w ਫ ͔Β։࠵ w ࢀՃ͸DPOOQBTTΑΓ͓ਃ͠ࠐΈ͍ͩ͘͞ʂ

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ