SPAのAPI開発の「やりづらさ」をDDDとオブジェクト指向の発想で解決する

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w ϑϦʔϥϯεˠΧϧςοτίϛϡχ έʔγϣϯζ։ൃ෦ɺݱࡏόοΫΤ ϯυϦʔυΤϯδχΞ w ೔ຊ4ZNGPOZϢʔβʔձʢ։ళٳ ۀঢ়ଶʜʣ w ʮਓʹ࢖ΘΕΔγεςϜʯΛ࡞Γͨ ͯ͘ɺϝϯςφϏϦςΟͷߴ͍։ൃ Λ໨ࢦͯ͠νʔϜϝϯόʔͱҰॹʹ ೔ʑฃಆதʂ w NPUIFSPG

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ର৅ w 41"ͷ"1* w TFSWFSUPTFSWFSͷ"1*͸ݪଇͱͯ͠είʔϓ֎Ͱ͕͢ɺࢀߟʹͰ͖Δ෦෼ ͸͋Δ͔΋͠Ε·ͤΜ

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ݹ͖ྑ͖ϑϩϯτΤϯυ։ൃ QIQ PO$MJDLlʜz ʢಉ͡ਓ͕΍Δʣ

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ݱ୅ͷϑϩϯτΤϯυ։ൃ

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ݹ͖ྑ͖"1*։ൃ w TFSWFSUPTFSWFSࣗࣾͷσʔλΛଞࣾʢύʔτφʔʣʹެ։͢Δ w "NB[POΞιγΤΠτ8FCαʔϏεʢݱࡏͷ1SPEVDU"EWFSUJTJOH"1*ʣ w (PPHMF.BQT"1* w (PPHMF޿ࠂ"1* :BIPP޿ࠂ"1*ͳͲ w ʮݹ͖ྑ͖ʯͱॻ͖·͕ͨ͠ݱࡏͰ΋΋ͪΖΜੜ͖͍ͯ·͢

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ݱ୅ͷ"1*։ൃ w TFSWFSUPCSPXTFSPSTFSWFSUPNPCJMFBQQࣗࣾͷσʔλΛࣗࣾͷ41"ʢϑ ϩϯτΤϯυʣʹҾ͖౉͢ w ݹ͖ྑ͖"1*։ൃʹ͸ͳ͍ಛघੑ͕͋Δ

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41"ͷ"1*։ൃͷಛघੑ w "1*Λ࡞ΔਓͱϑϩϯτΤϯυΛ࡞Δਓʢʹ"1*Λ࢖͏ਓʣ͕ಉ͡૊৫ʹଐ͠ ͓ͯΓɺ྆ऀͷ࢓ࣄΛ౷߹ͯͭ͠ͷγεςϜΛ࡞Ζ͏ͱ͍ͯ͠Δ͜ͱ w ͱ͸͍͑ɺݱ୅Ͱ͸௒େاۀ΍੓෎ɾ࣏ࣗମʢΦʔϓϯσʔλʣҎ֎ͷେ൒ ͷ։ൃऀͷߦ͏"1*։ൃ͸41"ͷ"1*։ൃͳͷͰɺ΋͸΍ಛघੑͰ͸ͳͦ͘ Ε͕ී௨ʁ

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41"ͷ"1*։ൃͷ΍ΓͮΒ͞ w ϩδοΫͷॏෳ w τϥϯβΫγϣϯͰ͖ͳ͍ w ͜ͷ"1*ɺଞʹͲ͜Ͱ࢖ΘΕ͍͚ͯͨͬʁʂ໰୊ w O

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ϩδοΫͷॏෳ w όοΫΤϯυͱϑϩϯτΤϯυͷ྆ํʹಉ͡ϩδοΫ͕ݱΕΔ

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ϩδοΫͷॏෳ

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τϥϯβΫγϣϯͰ͖ͳ͍ w αʔόʔଆͷঢ়ଶ͕มԽ͢ΔͷΛࢭΊΒΕͳ͍

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τϥϯβΫγϣϯͰ͖ͳ͍

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τϥϯβΫγϣϯͰ͖ͳ͍ (&5BQJJUFNT 0, \ lTUPDLz ^ 1045BQJPSEFS 0, \ lJEz ^ 1045BQJPSEFSJUFN

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τϥϯβΫγϣϯͰ͖ͳ͍ w UFMMEPO`UBTLʮίʔώʔͪΐ͏͍ͩʂʯ w ϩδοΫͷӅṭͷҰछͰ͸͋Δʢ0SEFSIBT.BOZ0SEFS*UFNTͰ͋Δ͜ͱ ΛϑϩϯτΤϯυ͸஌Βͳͯ͘ྑ͍ʣ w τϥϯβΫγϣϯ͸αʔόʔ಺Ͱߦ͏͜ͱ͕Ͱ͖Δ

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͜ͷ"1*ɺଞʹͲ͜Ͱ࢖ΘΕ͍͚ͯͨͬʁ

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͜ͷ"1*ɺଞʹͲ͜Ͱ࢖ΘΕ͍͚ͯͨͬʁ w "1*΋431ʹ͠Α͏ w ϑϩϯτΤϯυ͔Βݟͯผͷ༻్ͳΒ"1*΋ผʹ͢Δ w ΋ͪΖΜόοΫΤϯυ಺ͰϩδοΫ͕ڞ௨ͷ෦෼͸·ͱΊΕ͹ྑ͍

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O w αʔόʔαΠυͰҰରଟͷϦϨʔγϣϯΛ࣋ͭΦϒδΣΫτΛऔಘ͠Α͏ͱ͠ ͯɺOճͷϦΫΤετΛൃߦͯ͠͠·͏

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