新規機能開発からモジュール分割を始めてみる

by izumi

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৽نػೳ։ൃ͔Β Ϟδϡʔϧ෼ׂΛ࢝ΊͯΈΔ 3ZP*[VNJ J04%$+BQBO

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3ZP*[VNJ OPIBOB *OD 5XJUUFS!J[N (JU)VC!SJ[VNJ

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ࠓ೔࿩͢ࣄ w ػೳ։ൃͱฒߦͯ͠Ϟδϡʔϧ෼ׂΛߦͬͨ࿩ w ࣮ࡍʹײͨ͡ϝϦοτ΍σϝϦοτ΍ମݧஊ

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ϚϧνϞδϡʔϧ

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࠷ۙͷΞϓϦ w ͭͷΞϓϦ͕ଟػೳԽ͍ͯ͠Δ w FYεʔύʔΞϓϦ

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ϊϋφ΋ྫ֎Ͱ͸ͳ͘ w ϑΥτϒοΫΛ࡞Δ͚ͩͷػೳ͔Β w ϓϨϛΞϜϑΥτϒοΫͳͲ঎ࡐͷ௥Ճ w (PPHMFϑΥτͱͷ࿈ܞͳͲ w εʔύʔΞϓϦ΄ͲͰ͸ͳ͍͕ ػೳ͕૿͍͑ͯΔ

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ػೳ͕૿͑Δͱ w ίʔυϕʔε΋ڊେʹͳΔ w ઃܭͷෳࡶԽ w Ϗϧυ࣌ؒͷ૿Ճ w ˠ։ൃޮ཰ͷ௿Լ

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ϚϧνϞδϡʔϧ w ΞϓϦΛෳ਺Ϟδϡʔϧʹ෼ׂ͢Δ͜ͱͰ w ੹຿෼཭ʹΑΔӨڹൣғͷॖখ w ࠩ෼ϏϧυʹΑΔϏϧυ࣌ؒͷ୹ॖ

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طଘΞϓϦʹऔΓೖΕ͍͕ͨ 997JFX$POUSPMMFS 997JFX.PEFM 99.PEFM 99"1*$MJFOU ػೳ" ::7JFX$POUSPMMFS ::7JFX.PEFM ::.PEFM ::"1*$MJFOU ػೳ# ;;7JFX$POUSPMMFS ;;7JFX.PEFM ;;.PEFM ;;"1*$MJFOU ػೳ$

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طଘΞϓϦʹऔΓೖΕ͍͕ͨ 99.BOBHFSͱ͔ͷਆΫϥε 997JFX$POUSPMMFS 997JFX.PEFM 99.PEFM 99"1*$MJFOU ػೳ" ::7JFX$POUSPMMFS ::7JFX.PEFM 99.PEFM ::"1*$MJFOU ػೳ# 'BU7JFX$POUSPMMFS ػೳ$ ґଘ ґଘ ڞ௨Ϋϥε ֎෦Ϧιʔε ґଘ ґଘ 4IBSFE*OTUBODF

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৽نػೳ͔ΒϞδϡʔϧ෼ׂ

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৽نػೳ͔ΒϞδϡʔϧ෼ׂ w ৽͍͠ࢪࡦͷػೳΛϞδϡʔϧʹ෼ׂ͢Δ લఏͰઃܭ͢Δ w ྫ (PPHMFϑΥτͷ࿈ܞ

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खॱ w ཁ݅ ࢓༷ͷ੔ཧ w ੹຿ΛܾΊΔ w JOQVUPVUQVUΛఆٛ w GSBNFXPSLͷ࡞੒ w ։ൃ

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खॱཁ݅ ࢓༷ͷ੔ཧ w ཁ݅ ྫ w (PPHMFΞΧ΢ϯτͱ࿈ܞ͕Ͱ͖Δ w ࣸਅ͕ҰཡͰ͖Δ w ࣸਅΛબ୒ͯ͠ΞϓϦͰར༻Ͱ͖Δ

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Ϟδϡʔϧ෼ׂ͠΍͍͢࢓༷ w ಠཱͨ͠৽نը໘ w طଘͷυϝΠϯ࢓༷΁ͷґଘ͕গͳ͍ w ϊϋφͰ͸طଘͷ*NBHF1JDLFS΋աڈʹϥΠϒϥϦͱͯ͠੾Γग़͠ ͍ͯͨ w IUUQTHJUIVCDPNOPIBOB/PIBOB*NBHF1JDLFS w ٯʹطଘը໘΍υϝΠϯ΁ͷґଘ౓͕ߴ͍࢓༷͸෼ׂͮ͠Β͍

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खॱ੹຿ΛܾΊΔ w (PPHMFΞΧ΢ϯτϩάΠϯ w (PPHMFΞΧ΢ϯτϩάΞ΢τ w (PPHMFϑΥτͷࣸਅऔಘ w ࣸਅબ୒

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ϑϨʔϜϫʔΫଆͷϧʔϧ w 4XJGU w ݹ͍࣮૷͸࣋ͪࠐ·ͳ͍

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ϑϨʔϜϫʔΫଆͷϧʔϧ w Ͳ͏ͯ͠΋ݹ͍࣮૷Λ࢖͍͍ͨ৔߹ 1SPUPDPM͚ͩఆ࣮ٛͯ͠૷͸"QQଆ͔Β஫ೖ͢Δ

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खॱJOQVUPVUQVUΛఆٛ w "QQͱϞδϡʔϧؒͰͷJOQVUPVUQVUΛఆٛ͢Δ

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खॱJOQVUPVUQVUΛఆٛ w "QQͱϞδϡʔϧؒͰͷJOQVUPVUQVUΛఆٛ͢Δ "1*5PLFO બ୒ͨࣸ͠ਅͷϦετ

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खॱGSBNFXPSLͷ࡞੒

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खॱ։ൃ w جຊతʹ͸ීஈͷ։ൃͱมΘΒͳ͍ w ΞϓϦଆʹެ։͢Δ΋ͷ͸໌ࣔతʹQVCMJD΍PQFOʹ͢Δ w αʔυύʔςΟͷϥΠϒϥϦΛ࢖͏৔߹͚ͩগ͠஫ҙ͕ඞཁ

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5JQTϑϨʔϜϫʔΫଆͰϥΠϒϥϦΛ࢖͏ w $PDPB1PET w $BSUIBHF w 4XJGU1BDLBHF.BOBHFS

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$PDPB1PET w ϝΠϯλʔήοτʹ΋ ϥΠϒϥϦΛؚΊΔ

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$BSUIBHF w ϝΠϯλʔήοτʹ΋ ϦϯΫ͢Δ ϝΠϯλʔήοτ ϑϨʔϜϫʔΫ

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$BSUIBHF w DPQZGSBNFXPSLT͸ϝΠϯλʔήοτ͚ͩͰߦ͏

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4XJGU1BDLBHF.BOBHFS w Ϟδϡʔϧଆ͚ͩʹೖΕΕ͹0,ͬΆ͍ w ˞ΞʔΧΠϒ·Ͱ͸֬ೝ͠·͕ͨ͠ετΞϦϦʔε͸ະ֬ೝͰ͢

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4XJGU1BDLBHF.BOBHFS w ෳ਺ϞδϡʔϧͰѻ͍͍ͨ৔߹ w %ZOBNJD-JCSBSZ͸ෳ਺ʹϦϯΫՄೳ w 4UBUJD-JCSBSZ͸ෳ਺ϞδϡʔϧʹೖΕΑ͏ͱ͢ΔͱΤϥʔʹͳΔ w ෳ਺ϞδϡʔϧͰѻ͍͍ͨ৔߹͸ڞ௨Ϟδϡʔϧʹಋೖ͠ɺ ͦͷϞδϡʔϧΛհͯ͠࢖͏ͳͲ͢Δͱྑͦ͞͏

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खॱ։ൃ w جຊతʹ͸ීஈͷ։ൃͱมΘΒͳ͍ w ΞϓϦଆʹެ։͢Δ΋ͷ͸໌ࣔతʹQVCMJD΍PQFOʹ͢Δ w αʔυύʔςΟͷϥΠϒϥϦΛ࢖͏৔߹͚ͩগ͠஫ҙ͕ඞཁ

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ϦϦʔε

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ϝϦοτ

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ڞ௨Խ͢΂͖෦෼͕ݟ͑ͯ͘Δ w ࣮ࡍʹϞδϡʔϧଆͷ։ൃΛ͍ͯͯ͠ w ΞϓϦଆͷ&YUFOTJPOΛ࢖͍͍ͨέʔεͳͲ͕͋ͬͨ Ϟδϡʔϧͷ૬ޓࢀর͸Ͱ͖ͳ͍ͷͰͦͷ··Ͱ͸࢖͑ͳ͍ &YUFOTJPOͳͲ ࢖͍͍ͨ

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ڞ௨Խ͢΂͖෦෼͕ݟ͑ͯ͘Δ w ڞ௨ϞδϡʔϧͳͲ ࠓޙͷϞδϡʔϧ෼͚ͷ ώϯτ͕ಘΒΕΔ &YUFOTJPOͳͲ ڞ௨Ϟδϡʔϧ

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طଘίʔυʹनΘΕͳ͘ͳΔ w طଘͷԚ͍෦෼ͳͲΛൃݟ͢ΔͱϞνϕʔγϣϯ௿Լ ˠ৽ن։ൃͯ͠ΔͷʹӬԕʹϦϑΝΫλΛ࢝Ίͯ͠·ͬͨΓ w ৽نϞδϡʔϧΛ੾Δ͜ͱͰطଘͷߏ੒΍ίʔυΛࢀর͢Δػձ͕ ݮΓɺ্هͷΑ͏ͳ೰Έ͕গ͠ղফ͞Εͨ

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Өڹൣғͷॖখ w جຊతʹϞδϡʔϧ಺෦Ͱ׬݁Ͱ͖Δ w Өڹൣғ΋ݶΒΕΔͷͰ։ൃޮ཰΋ϦϦʔε࣌ͷ҆৺౓΋Ξοϓ w 2"΍Ϣʔβʔ໰͍߹ΘͤௐࠪͳͲ΋Ϟδϡʔϧ಺Ͱ׬݁

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ϝϦοτ w ڞ௨Խ͢΂͖෦෼͕ݟ͑ͯ͘Δ w طଘίʔυʹनΘΕͳ͘ͳΔ w Өڹൣғͷॖখ

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σϝϦοτ

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ϓϩδΣΫτϑΝΠϧͷίϯϑϦΫτ w λʔήοτͷ௥ՃͰൃੜͨ͠ίϯϑϦΫτͷղফ͸ࠔ೉ w Ұ෦$BQBCJMJUZͷઃఆΛਧ͖ඈ͹͠·ͨ͠

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9DPEF(FO w IUUQTHJUIVCDPNZPOBTLPMC9DPEF(FO w σΟϨΫτϦߏ੒ͱ:".-ϑΝΠϧ͔Β ϓϩδΣΫτϑΝΠϧΛ࡞ΕΔπʔϧ w ϓϩδΣΫτϑΝΠϧͷ(JU؅ཧ͔Βղ์͞ΕΔ w ઌʹಋೖ͢΂͖ͩͬͨ

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Ϟδϡʔϧ෼ׂͷ୯Ґ͕ػೳ୯ҐʹͳΔ BQQ ػೳ" ػೳ# ػೳ$ ڞ௨Ϟδϡʔϧ BQQ 1SFTFOUBUJPO %PNBJO *OGSBTUSVDUVSF ػೳ୯Ґ ϨΠϠʔ୯Ґ

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Ϟδϡʔϧ෼ׂͷ୯Ґ͕ػೳ୯ҐʹͳΔ BQQ ػೳ" ػೳ# ػೳ$ ڞ௨Ϟδϡʔϧ BQQ 1SFTFOUBUJPO %PNBJO *OGSBTUSVDUVSF ͬͪ͜ͷ෼͚ํʹ͢Δͷ͕೉͘͠ͳΔ

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σϝϦοτ w ϓϩδΣΫτϑΝΠϧͷίϯϑϦΫτ w Ϟδϡʔϧ෼ׂͷ୯Ґ͕ػೳ୯Ґʹͳͬͯ͠·͏ w ந৅౓্͕͕ΔͷͰ࣮૷͕Ͳ͜ʹ͋Δ͔෼͔Γʹ͘͘ͳΔՄೳੑ

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ࠓޙͷల๬ w 9DPEF(FOͷಋೖ w طଘػೳͷϞδϡʔϧ෼ׂ w 0CKFDUJWF$ͳͲݹ͍ίʔυͷӅṭ w ࠓޙͷ৽ػೳͷϞδϡʔϧ෼ׂ w EZOBNJDGSBNFXPSL͕૿͑ͨ৔߹ͷରࡦ w ͳͲͳͲ

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·ͱΊ w ৽نػೳ͔ΒϞδϡʔϧΛ෼͚Δͱ͍͏ࣄΛ΍ͬͯΈͯ w ڞ௨Խ͢΂͖෦෼ͳͲࠓޙͷϞδϡʔϧ෼ׂͷώϯτ͕ಘΒΕͨ w ػೳ͕૿͑ͯ΋ӨڹൣғΛ෼཭͢Δ͜ͱ͕Ͱ͖ͨ

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·ͱΊ w ϞδϡʔϧΛ෼ׂ͢Δ͜ͱࣗମ͸ͦ͜·Ͱେม͡Όͳ͍ w ໖ີͳܭը΋େ੾͕ͩखΛಈ͔ͯ͠ΈΔ͜ͱ΋େ੾ w ಠཱͨ͠৽ػೳΛ࡞Δࡍ͸Ϟδϡʔϧ෼ׂΛ࢝ΊΔνϟϯε w ίʔυن໛͕૿͑ͯ΋։ൃޮ཰Λམͱ͞ͳ͍Α͏޻෉Λ͠Α͏ʂ

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