ヤフー/ゼットラボのステートフルアプリケーションへの挑戦(前半)

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ϠϑʔθοτϥϘͷ εςʔτϑϧΞϓϦέʔγϣϯ΁ͷ௅ઓ :VLJOPSJ4BLBTIJUB

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"HFOEB <લ൒>,VCFSOFUFTBTB4FSWJDF޲͚εςʔτϑϧαʔϏεͷ࣮ݱ 2 <ޙ൒>εςʔτϑϧΞϓϦέʔγϣϯͷࣄྫ ‣ ϠϑʔθοτϥϘ͕࡞Δ,VCFSOFUFTBTB4FSWJDF $BB4 ‣ $BB4޲͚εςʔτϑϧαʔϏε΁ͷ௅ઓ ‣ σΟεϓϨΠ޿ࠂ :%/ ΁ͷ$BB4ಋೖࣄྫͷ঺հ ‣ $BB4ҠߦͰۤ࿑ͨ͠఺

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ࣗݾ঺հ ‣ٕज़ݚڀΤϦΞ ӡ༻؅ཧٕज़ Ϋϥ΢υ αʔόετϨʔδ ࣗಈࣗ཯ίϯϐϡʔςΟϯά "*.- // ).. #BZFTJBO/FUXPSL ‣લ৬ ૯߹ిؾϝʔΧʔ 㾎ݚڀॴ ओ೚ݚڀһ 㾎ւ֎ݚڀॴ!γϦίϯόϨʔ ϥϘ௕ αʔόϕϯμʔ ςΫχΧϧ4& 3 ࡔԼ޾ಙ ത࢜ :VLJOPSJ4BLBTIJUB 1I% ‣ ϠϑʔגࣜձࣾθοτϥϘגࣜձࣾ ‣ 4/*"೔ຊࢧ෦ٕज़ҕһձ෭ҕһ௕ ‣ 4/*"5FDIOJDBM$PVODJM"EWJTPS

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ϠϑʔθοτϥϘ͕૑Δ ,VCFSOFUFTBTB4FSWJDF

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Ϡϑʔ ‣ Ҏ্ͷ8FCαʔϏε χϡʔε ϠϑΦΫɺఱؾͳͲ Λఏڙ ‣ ओͳσʔληϯλʔ ೔ຊڌ఺ ถࠃڌ఺ ‣ 0QFO4UBDL΍,VCFSOFUFTͳͲΛ ׆༻ͨ͠ϓϥΠϕʔτΫϥ΢υʹͯ 8FCαʔϏεΛߏஙɾӡ༻ 5

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θοτϥϘ ‣ ೥ʹઃཱ͞ΕͨϠϑʔגࣜձࣾͷࢠձࣾ ‣ Ϡϑʔͷ࣍ੈ୅ΠϯϑϥΛݚڀ։ൃ ‣ Ϡϑʔ޲͚ʹ,VCFSOFUFTBTB4FSWJDF $BB4 Λ։ൃ ‣ IUUQT[MBCDPKQ 6

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ϠϑʔͱθοτϥϘͷମ੍ 7 $BB4؅ཧऀ ετϨʔδ؅ཧऀ ֎෦ϕϯμʔ $BB4ར༻ऀ 8FCαʔϏε։ൃऀ ,VCFSOFUTఏڙ αϙʔττϨʔχϯά $BB4޲͚ΠϯϑϥධՁ ߏ੒ݕ౼ $BB4։ൃɺೲ඼ ઃܭ૬ஊ ٕज़ηϛφʔ 7 αʔό؅ཧऀ ωοτϫʔΫ؅ཧऀ $BB4 ཁ๬໰͍߹Θͤ

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,VCFSOFUFTBTB4FSWJDF ‣ :BIPP+"1"/ͷ8FCαʔϏεͷҰ෦͸,VCFSOFUFT্ͰՔಇ ‣ Ϛωʔδυ,VCFSOFUFTαʔϏε ,VCFSOFUFTBTB4FSWJDF$BB4 Λӡ༻ Ќ (" ‣ Ϡϑʔͷࣗࣾσʔληϯλʔ Ϧʔδϣϯ ʹͯՔಇத 8

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$BB4ͷར༻਺ ‣ ,VCFSOFUFTͷΫϥελ਺ ‣ ར༻͍ͯ͠Δ։ൃνʔϜ਺ ‣ ,VCFSOFUFTOPEFT਺ ‣ ίϯςφ਺, 9 $MVTUFST $MVTUFST ˞࣌఺ͷσʔλ $MVTUFST $MVTUFST $MVTUFST

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"SDIJUFDUVSFPG$BB4 10 7 . ,VCFSOFUFT ɾɾɾ

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4FMGIFBMJOH4DBMJOH 11 ,VCFSOFUFT 7 . )FBMJOH 4DBMJOH .POJUPSJOH

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"EEPONBOBHFS ‣ ಠࣗͷ"EEPONBOBHFSʹΑΓ(SBGBOB 1SPNFUIFVTͳͲϢʔβͷଟ͕͘ ར༻͢ΔΞϓϦΛఏڙ ‣ ఏڙ͢ΔΞϓϦͷϚχϑΣετΛύοέʔδԽ֤͠αʔϏε͕ར༻͢Δ ,VCFSOFUFT΁σϓϩΠ ‣ ,VCFSOFUFTͷόʔδϣϯʹԠͯࣗ͡ಈΞοϓσʔτ 12 "EEPONBOBHFS BMFSUNBOBHFS ɾɾɾ %FQMPZ μογϡϘʔυ΍ ΞϥʔτϧʔϧͳͲ΋ σϓϩΠ

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$BB4ͷಛ௃ ‣ ίϚϯυͭͰ,VCFSOFUFTΫϥελΛ࡞੒ ‣ αʔϏεແఀࢭͰͷ,VCFSOUFTͷϩʔϦϯάΞοϓσʔτ ϲ݄ʹճͷ,VCFSOFUFTͷΞοϓσʔτʹ௥ਵ /PEFΛ࠶࡞੒ /PEFͷ04ͷΞοϓσʔτ΋Մೳ ‣ ,VCFSOFUFTΫϥελࣗ਎ͷηϧϑώʔϦϯά ‣ ,VCFSOFUFTΫϥελͷεέʔϧΞ΢τΠϯ ‣ "EEPONBOBHFSʹΑΔΞϓϦͷσϓϩΠΞοϓσʔτ 13

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$BB4ͷνϟϨϯδ ‣ ೥࣌఺Ͱ͸εςʔτϨεΞϓϦΛ,VCFSOFUFT্Ͱ࣮ߦ 8FCαʔϏε͸εςʔτϨεˍεςʔτϑϧͷΞϓϦͰߏ੒ 8FCαʔϏε։ൃऀ͔Β͸εςʔτϑϧΞϓϦ΋,VCFSOFUFT্Ͱ ࣮ߦ͍ͨ͠ͱͷ੠ ‣ ;-BCʹͯεςʔτϑϧαʔϏεͷݕ౼։࢝ ':2 ‣ ;-BCʹͯεςʔτϑϧαʔϏεͷఏڙ։࢝ ':2 ‣ ϠϑʔʹͯεςʔτϑϧαʔϏεͷύΠϩοτར༻։࢝ ‣ Ϡϑʔʹͯ$BB4޲͚εςʔτϑϧαʔϏεͷఏڙ։࢝ ':) 14

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$BB4޲͚ εςʔτϑϧαʔϏε΁ͷ௅ઓ

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εςʔτϑϧαʔϏεఏڙͷ՝୊ ‣ ֤αʔϏε͝ͱʹಠཱͨ͠σʔλΞΫηε͕ඞཁ ηΩϡϦςΟ ‣ ૿͑ଓ͚Δ,VCFSOFUFTΫϥελ ‣ ૿͑ͳ͍؅ཧऀ ‣ ϲ݄ʹճͷ,VCFSOFUFTͷΞοϓσʔτ΁ͷ௥ਵ ‣ $BB4ͷಛ௃Ͱ͋Δ/PEFͷηϧϑώʔϦϯάˍεέʔϦϯά΁ରԠ 16

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‣ ෆඞཁͳϢʔβ͔ΒͷΞΫηε͸ېࢭ ‣ ෳ਺,VCFSOFUFT͕͋Δ؀ڥͰ͸,VCFSOFUFTࣗ਎Ͱͷ ΞΫηείϯτϩʔϧ͸ෆՄ 17 ,VCFSOFUFT ,VCFSOFUFT ࢪࡦηΩϡϦςΟ

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18 ετϨʔδͷϚϧνςφϯτ׆༻ ‣ ετϨʔδͷϚϧνςφϯτͰ,VCFSOFUFTຖͷΞΫηεΛίϯτϩʔϧ ϘϦϡʔϜɺϙʔτɺϢʔβݖݶ ,VCFSOFUFT ,VCFSOFUFT 5FOBOU" 5FOBOU# 4UPSBHF

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ࢪࡦࣗಈԽ ‣ ,VCFSOFUFTͷόʔδϣϯΞοϓʹ௥ै͢ΔͨΊ໿ϲ݄ʹճ͸ ΞοϓσʔτΛ࣮ࢪ ‣ ετϨʔδͷ$4*%SJWFS΍ؔ࿈ΞϓϦͳͲͷΞοϓσʔτ΋ඞཁ ‣ Ҏ্ͷ,VCFSOFUFTΫϥελͷΞοϓσʔτ͸ਓखͰ͸ແཧ 19

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"EEPONBOBHFSΛ࢖ͬͨࣗಈԽ ‣ "EEPONBOBHFSΛ࢖͍4UPSBHF$MBTT΍ϕϯμఏڙͷ$4*%SJWFSؔ࿈౳ εςʔτϑϧαʔϏεͰඞཁͳ΋ͷΛࣗಈσϓϩΠ ‣ ,VCFSOFUFTͷόʔδϣϯΞοϓʹ࿈ಈࣗ͠ಈΞοϓσʔτ 20 "EEPONBOBHFS %FQMPZ $4*%SJWFSؔ࿈ 4UPSBHF$MBTT μογϡϘʔυΞϥʔτϧʔϧ

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ࢪࡦࣗಈԽ ‣ $BB4Ͱ͸Ξοϓσʔτ΍ো֐ൃੜʹ/PEF 7. Λ࠶࡞੒ ‣ /'4΍J4$4*Ͱ͸ετϨʔδଆͷ"$-ߋ৽͕ඞཁ ‣ ετϨʔδଆͷ"$-ߋ৽͸,VCFSOFUFTͰ͸࣮ࢪ͞Εͳ͍ 21 /PEF /PEF $SFBUF OFX/PEF "EE OFX/PEF %FMFUF PME/PEF .PWF 1PE /PEF /PEF /PEF /PEF "$-ͷ ߋ৽ͳ͠ 4UPSBHF

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"$-ͷࣗಈߋ৽ ‣ /PEFΛ8BUDI͠"$-Λࣗಈߋ৽͢Δ$VTUPN$POUSPMMFSΛ։ൃ ॳظ ‣ (JU)VCެ։ͷϕϯμʔͷ$4*1MVHJO΁ϦΫΤετ ਖ਼ࣜαϙʔτ։࢝ 22 /PEF FYQPSUQPMJDZNHS "EE OFX/PEF %FMFUF PME/PEF /PEFͷ௥ՃΠϕϯτΛݕ஌ /FX/PEFͷ*1*2/Λऔಘ 4UPSBHFͷ"$-΁ొ࿥ /PEFͷ࡟আΠϕϯτΛݕ஌ 0ME/PEFͷ*1*2/Λऔಘ 4UPSBHFͷ"$-͔Β࡟আ 4UPSBHF

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લ൒ͷ·ͱΊ ‣ $BB4޲͚ʹεςʔτϑϧαʔϏεΛఏڙ ‣ ηΩϡϦςΟΛߟྀͨ͠Ϛϧνςφϯτ ‣ ,VCFSOFUFTͷΞοϓσʔτʹ௥ਵͰ͖ΔࣗಈΞοϓσʔτ ‣ /PEFͷ࡞Γ௚͠ʹ΋ରԠͰ͖Δ"$-ͷࣗಈΞοϓσʔτ 23

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