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("&Ͱ.JDSPTFSWJDFTͳόον
'SJOHF$P
-UE
)JSPLJ,PNVSBTBLJ!QFUJUWJPMFU
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ࣗݾհ
w খࢵ߂و )JSPLJ,PNVSBTBLJ
w ΠϯλʔωοτͰ!QFUJUWJPMFU
w αʔόαΠυΤϯδχΞ!
w ͜ͷ͘Β͍͍͍ͩͨ4DBMBॻ͍ͯΔ
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͜ͷลͷͰ͢
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ࠓ͢͜ͱ͞ͳ͍͜ͱ
͢͜ͱ
w ("& 5BTL2VFVF 4DBMBͰόονΛ࡞Δ
w ओʹΞʔΩςΫνϟతͳઓུ
͞ͳ͍͜ͱ
w ("&
5BTL2VFVFͷࡉ͔͍
w 4DBMBͷ࣮ςΫχοΫ
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ࠓ͢͜ͱ͞ͳ͍͜ͱ
͢͜ͱ
w ("& 5BTL2VFVF 4DBMBͰόονΛ࡞Δ
w ओʹΞʔΩςΫνϟతͳઓུ
͞ͳ͍͜ͱ
w ("&
5BTL2VFVFͷࡉ͔͍
w 4DBMBͷ࣮ςΫχοΫ
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όονʁ
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όονʁ
ϓϩάϥϜ܈Λॲཧత͝ͱʹ۠Γɺ͜ͷ۠
Γຖʹॱ࣮࣍ߦͯ͠Ώ͘ॲཧͷ͜ͱ XJLJQFEJB
ཁ͢ΔʹɺԿ͔͠ΒͷॲཧΛॱ࣮࣍ߦ͢Δ͜ͱ
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όονͷ͋Δ͋Δ
Α͋͘Δ݅ҎԼͷΑ͏ͳͷ
w ఆظ࣮ߦ DSPO
w σʔλΛཷΊͯ·ͱΊͯॲཧ
w FUD
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όονͷΘ͕··
w ىಈ࣌Ҏ֎͓͔͚ۚͨ͘ͳ͍
w ίέͨΒࣗಈͰϦτϥΠ͍ͨ͠
w σʔλ͕૿͑ͨΒΦʔτεέʔϧ͍ͤͨ͞
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ͦΕɺ("&Ͱग़དྷΔΑ
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("&
w (PPHMF"QQ&OHJOF
w ͍ΘΏΔ1BB4
w \4UBOEBSE
'MFYJCMF^&OWJSPONFOUͷछྨ
w 4&੍ݶ͕ݫ͍͕͠ӡ༻͓ͤ
w '&੍ݶ͕؇͍͕ӡ༻खಈ
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("&
ϑϨΩγϒϧڥɺελϯμʔυڥΛิ͢
Δ͜ͱΛతͱ͍ͯ͠·͢ɻ
IUUQTDMPVEHPPHMFDPNBQQFOHJOFEPDTqFYJCMFKBWBqFYJCMFGPSTUBOEBSEVTFST IM KB
جຊ4&Λݕ౼͠ɺμϝͬΆ͍ͳΒ'&ʹ͢Δ
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("&
ϑϨΩγϒϧڥɺελϯμʔυڥΛิ͢
Δ͜ͱΛతͱ͍ͯ͠·͢ɻ
IUUQTDMPVEHPPHMFDPNBQQFOHJOFEPDTqFYJCMFKBWBqFYJCMFGPSTUBOEBSEVTFST IM KB
جຊ4&Λݕ౼͠ɺμϝͬΆ͍ͳΒ'&ʹ͢Δ
ΠϯελϯελΠϓͰεέʔϧઓུΛม͑ΒΕΔ
w BVUPNBUJDҰ൪͓ͤͰ("&ͬΆ͍
w CBTJDόονͱ͔
w NBOVBMखӡ༻Ͱ*BB4دΓ
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όονͷΘ͕··
w ىಈ࣌Ҏ֎͓͔͚ۚͨ͘ͳ͍
w ("&4&ͳΒ࣮ߦ࣌ؒ՝ۚ
w ίέͨΒࣗಈͰϦτϥΠ͍ͨ͠
w
w σʔλ͕૿͑ͨΒΦʔτεέʔϧ͍ͤͨ͞
w
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5BTL2VFVF
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5BTL2VFVF
w ("&ɺಛʹ4&Ͱ؆୯ʹ͑ΔδϣϒΩϡʔ
w \1VTI
1VMM
$SPO^Ωϡʔͷछྨ͋Δ
w ("&αʔϏεؒͷ࿈ܞʹ1VTIΩϡʔ͕ඇৗʹศར
w DSPO͋ΔͷͰόονͷىಈ؆୯
w εςʔλε͕YYͱ͔ͳΒϦτϥΠͯ͘͠ΕΔ
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5BTL2VFVF
w ઃఆൺֱత୯७Ͱ؆୯ʹ࡞Մೳ
w ͜Μͳײ͡
ˡϦτϥΠճͷ্ݶ
ˡλεΫͷੜଘ࣌ؒ
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όονͷΘ͕··
w ىಈ࣌Ҏ֎͓͔͚ۚͨ͘ͳ͍
w ("&4&ͳΒ࣮ߦ࣌ؒ՝ۚ
w ίέͨΒࣗಈͰϦτϥΠ͍ͨ͠
w 5BTL2VFVFʹϦτϥΠػೳ͕͋Δ
w σʔλ͕૿͑ͨΒΦʔτεέʔϧ͍ͤͨ͞
w
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όονͷΘ͕··
w ىಈ࣌Ҏ֎͓͔͚ۚͨ͘ͳ͍
w ("&4&ͳΒ࣮ߦ࣌ؒ՝ۚ
w ίέͨΒࣗಈͰϦτϥΠ͍ͨ͠
w 5BTL2VFVFʹϦτϥΠػೳ͕͋Δ
w σʔλ͕૿͑ͨΒΦʔτεέʔϧ͍ͤͨ͞
w
σʔλগ
σʔλଟ
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ΦʔτεέʔϧʹΉ͚ͯ
w εέʔϧΞοϓ͍ͨ͠
w ("&ͩͱࣗಈͰग़དྷͳ͍
w εέʔϧΞτ͍ͨ͠
w ("&ϦΫΤετ૿ͰεέʔϧΞτ
w σʔλ͕૿͑ΔͱϦΫΤετ͕૿͑ΔΑ͏
ʹ࣮͢Δ
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ΦʔτεέʔϧʹΉ͚ͯ
w εέʔϧΞοϓ͍ͨ͠
w ("&ͩͱࣗಈͰग़དྷͳ͍
w εέʔϧΞτ͍ͨ͠
w ("&ϦΫΤετ૿ͰεέʔϧΞτ
w σʔλ͕૿͑ΔͱϦΫΤετ͕૿͑ΔΑ͏
ʹ࣮͢Δ
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4DBMBͱ("&
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4DBMBͱ("&
w 'SJOHFͰαʔόαΠυ։ൃʹ4DBMBΛΑ͘͏
w ("&4&ͷ+BWBରԠ݄
w IUUQTDMPVEQMBUGPSNHPPHMFCMPHDPN+BWBPO"QQ&OHJOF4UBOEBSEFOWJSPONFOUJTOPXHFOFSBMMZBWBJMBCMFIUNM
w 4&Ͱ+BWB͕ಈ͚4DBMBಈ͘ʂ
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4DBMBͰόονॲཧ
w 4DBMBඇಉظॲཧϧʔϓॲཧ͕هड़͘͢͠ɺ
όονͰ͋Γ͕ͪͳॲཧΛ؆୯ʹॻ͚Δ
w 'VUVSFͱ-JTUNBQͷΑ͏ͳ"1*Λ͏
val targets: List[Data] = ???
val resultFutures: List[Future[Result]] =
targets map { target =>
Future { execute(target) } // 何か重い処理を非同期で実行
}
val results: Future[List[Result]] = Future.sequence(resultFutures)
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͜͜Ͱൃੜ
w ("&4&γϯάϧίΞ
w ඇಉظॲཧͷޮՌ͕ബ͍
w '&ʹͯ͠ϚϧνίΞʹ͢Δʜ
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ίΞ͕Γͳ͚Ε
ϚγϯΛ૿͍͍ͤ͡Όͳ͍
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5BTL2VFVFΛͬͯίΞΛ૿͢
ϚϧνίΞ γϯά
ϧίΞ ϚϧνΠϯελϯε
w ඇಉظॲཧΛλεΫͱͯ͠5BTL2VFVFQVU͢Δ
w \ಉ͡
ผͷ^("&αʔϏεͰड͚औͬͯඇಉظॲཧ
w ϧʔϓॲཧҰͭͣͭผͷλεΫʹ͢Δ
5BTL2VFVF
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େ͖ͳόονॲཧΛ
খ͞ͳλεΫʹׂͯ͠
ඇಉظʹॲཧ͢Δ
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·͞ʹ.JDSPTFSWJDFT
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ͪͳΈʹ
("&4&ͩͱϝϞϦͷ࠷େαΠζ͕(#ͳͷͰɺ
Լखʹେ͖ͳόονΛಈ͔͢ͱ؆୯ʹ00.͕ى
͖ΔͷͰɺόονΛখׂͤ͘͟͞ΔΛ͑ͳ͍
σʔλଟ
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.JDSPTFSWJDFTͳόον
όονॲཧΛׂͯ͠ޙଓͷॲཧ5BTL2VFVF
Λͬͯܨ͙
5BTL2VFVF
ॲཧରͷ
ҰཡΛऔಘ
Ұͭͣͭ
ॲཧ͢Δ
͞Βʹࡉ͔͘
ॲཧ͢Δ
ͪ߹Θͤͯ
ΫϦʔϯΞοϓ
ʜ
ʜ
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όονͷΘ͕··
w ىಈ࣌Ҏ֎͓͔͚ۚͨ͘ͳ͍
w ("&4&ͳΒ࣮ߦ࣌ؒ՝ۚ
w ίέͨΒࣗಈͰϦτϥΠ͍ͨ͠
w 5BTL2VFVFʹϦτϥΠػೳ͕͋Δ
w σʔλ͕૿͑ͨΒΦʔτεέʔϧ͍ͤͨ͞
w ࡉ͔͘λεΫʹΓ͚ͯεέʔϧΞτ
5BTL2VFVF
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·ͱΊ
4DBMBͰॻ͍ͨόονΛ
("&4&Ͱಈ͔͢ͱͤʹͳΕΔ