リアクティブDDD

ϦΞΫςΟϒ%%% Ճ౻५Ұ !KJLP !$IBU8PSL

ࣗݾ঺հ w ͔ͱ͡ΎΜ !KJLP w $IBU8PSL͔ࣾΒདྷ·ͨ͠ɻ w ࢓ࣄ͸$IBU8PSLαʔόج൫෦෼ͷ৽ن։ൃ w
ઐ໳෼໺ʁ w υϝΠϯۦಈઃܭ w ࠷ۙ͸ϦΞΫςΟϒγεςϜʁ w ࠷ۙݚᮎ͍ͯ͠Δ͜ͱ w 4DBMB"LLB %%% w "OHVMBSc3FBDU %%%

ϦΞΫςΟϒ%%%ͱ͸

େن໛αʔϏεͷจ຺͕ ڧ͍࿩Ͱ͢ɻ

ϦΞΫςΟϒγεςϜͱ υϝΠϯۦಈઃܭΛ ૊Έ߹ΘͤΔ͜ͱ ϰΝʔϯɾϰΝʔϊϯɻ࣮ફυϝΠϯۦಈઃܭͷஶऀ

':*%%%ͱ"LLBͷؔ࿈ੑ w &⒎FDUJWF"LLB w $IBQUFS"DUPS"QQMJDBUJPO5ZQFT w %PNBJOESJWFO w "DUPS͸%%%Ͱࣔ͞ΕΔίϯηϓ τΛදݱͰ͖Δɻͨͱ͑͹ɺΤϯ
ςΟςΟ΍ू໿ͳͲɻ"DUPSͱڥք ͚ͮΒΕͨίϯςΩετΛσβΠ ϯͰ͖Δ w %%%ͷϝοηʔδ͸ࣄ࣮ʹجͮ͘ɻ ϝοηʔδύογϯάͰ͸ੈքͰ ىͬͨ͜ग़དྷࣄΛϝοηʔδͱ͠ ͯදݱ͢Δɻ͜Ε͸ϕετϓϥΫ ςΟεɻ w 8PSL%JTUSJCVUJPO

ΞδΣϯμ w ϦΞΫςΟϒγεςϜͱ"LLB w %%%ͷΤοηϯε w "LLBͱ%%%Λ૊Έ߹ΘͤΔํ๏

ϦΞΫςΟϒγεςϜͱ"LLB

എܠʹ͍ͯ͠ΔίϯςΩετͷมԽ w αʔό୆਺ͷมԽ w ਺े୆͔Β਺ઍίΞ΁ w Ԡ౴࣌ؒͷมԽ w ඵ͔ΒϛϦඵΦʔμʔ΁ w
μ΢ϯλΠϜͷมԽ w ਺͔࣌ؒΒݶΓͳ࣌ؒ͘΁ w σʔλن໛ͷมԽ w ΪΨ͔Βϖλ΁

ཁٻͷมԽʹͲ͏΍ͬͯରԠ͢Δͷ͔ʁ w ϋʔυ΢ΣΞΛލ͕ΔϚϧνίΞΛϑϧ׆༻͢ ΔΞϓϦέʔγϣϯΛͲ͏΍࣮ͬͯݱ͢Δͷ͔ w Ԡ౴࣌ؒΛͲ͏΍ͬͨΒʹͰ͖Δͷ ͔ʁ w ͷՔಇ཰ΛͲ͏΍࣮ͬͯݱ͢Δͷ͔ʁ w
େن໛σʔλˠ๲େͳλεΫ͕ൃੜ͢ΔՄೳੑɻ ߴεϧʔϓοτͱ௿஗Ԇ΁ͷཁٻΛͲͷΑ͏ʹ ղܾ͢Δͷ͔ʁ

ࢧ͑Δݪཧ ఏڙ͢ΔՁ஋ લఏͱͳΔखஈ ϦΞΫςΟϒએݴ w IUUQXXXSFBDUJWFNBOJGFTUPPSH w ʹެ։͞Εͨએݴɻ໊ ͕ॺ໊ɻ-JHIUCFOEࣾͷ$50 +POBT#POÉSࢯ͕'JSTU"VUIPSɻ
w ଈԠੑ 3FTQPOTJWF w γεςϜ͸ՄೳͳݶΓ଎΍͔ʹԠ ౴͢Δɻ w ଱ো֐ੑ 3FTJMJFOU w γεςϜ͸ো֐ʹ௚໘ͯ͠΋ଈԠ ੑΛอͪଓ͚Δɻ ଈԠੑ ϝοηʔδۦಈ ଱ো֐ੑ ஄ྗੑ w ஄ྗੑ &MBTUJD w γεςϜ͸ϫʔΫϩʔυ͕ม ಈͯ͠΋ଈԠੑΛอͪଓ͚Δɻ w ϝοηʔδۦಈ .FTTBHF %SJWFO w ίϯϙʔωϯτؒΛඇಉظ ʹϝοηʔδΛૹड৴͢Δ ௨৴ελΠϧɻϝοηʔδ ύογϯάͱ΋ݴΘΕΔɻ

ଈԠੑ 3FTQPOTJWF w Ϣʔβͷཁٻʹରͯ͠଎΍͔ʹ൓Ԡ͢Δ΂͖ͱ͍͏ߟ͑ํɻͨ ͱ͑ɺಉ࣌ʹෳ਺ͷϢʔβʹΑΔɺॏͳΓ߹͏ϦΞϧλΠϜͳ ߋ৽Ͱ͋ͬͯ΋ɻԠ౴ੑ͸ো֐ʹ௚໘ͯ͠΋ҡ࣋͞ΕΔ΂͖ɻ w γεςϜ಺෦Ͱมߋ͕ى͖ͨ࣌ɺ1VC4VCϞσϧʹΑͬͯؔ৺ ͷ͋Δมߋͷू߹Λ఻ൖ͢Δ͜ͱͰ࣮ݱɻΠϕϯτετϦʔϜ ΍(6*ϞσϧɺͦͷଞγεςϜϞσϧͳͲʹར༻͞ΕΔɻ
"DUPS &WFOU#VT SFDFJWF "DUPS SFDFJWF BDUPS3FGNTH BDUPS3FGNTH "DUPS SFDFJWF BDUPS3FGNTH

':*ιϑτ΢ΣΞͷࡂ͍Λද͢༻ޠ w ޡࠩɾޡΓ FSSPS w ܭࢉɼ؍ଌए͘͠͸ଌఆ͞Εͨ஋ຢ͸ঢ়ଶͱɼ ਅͷɼࢦఆ͞Εͨए͘͠͸ཧ࿦తʹਖ਼͍͠஋ ຢ͸ঢ়ଶͱͷؒͷ૬ҧ +*49
w ܽؕ EFGFDU όάΛؚΉ֓೦ w ҙਤͨ͠ৼΔ෣͍͔ΒγεςϜ͕ҳΕͯ͠· ͏ݪҼͱͳΔιϑτ΢ΣΞγεςϜͷಛੑͰ ͋Δ ΦϒδΣΫτࢦ޲ೖ໳ୈ̎൛ݪଇɾί ϯηϓτܖ໿ϓϩάϥϛϯά w ো֐ GBVMU ˠ"LLB͸GBVMUUPMFSBODF w ཁٻ͞ΕͨػೳΛ਱ߦ͢Δػೳ୯Ґͷೳྗͷɼ ॖୀຢ͸૕ࣦΛҾ͖ى͜͢ɼҟৗͳঢ়ଶ +*4 9 w ނো GBJMVSF w ཁٻ͞ΕͨػೳΛ਱ߦ͢Δɼػೳ୯Ґͷ ೳྗ͕ͳ͘ͳΔ͜ͱ +*49 Ұൠతͳ࿈࠯ϑϩʔ ނো ޡࠩɾޡΓ ো֐ ܽؕ ނো

ώΤϥϧΩʔ ଱ো֐ੑ 3FTJMJFOU w ͦΕ͸Ұ౓΋ো֐Λى͜͞ͳ ͍ɺ׬શͳΞϓϦέʔγϣϯ ιϑτ΢ΣΞΛ࣮૷͢Δ͜ͱ Ͱ͸ͳ͍ɻো֐͔Βճ෮͢Δ ͨΊͷೳྗΛσβΠϯ͢Δɻ w
ϦΞΫςΟϒγεςϜͰ͸ɺ ԼҐͷίϯϙʔωϯτ্ͷεʔ ύόΠβͱର࿩͢Δ͜ͱͰো ֐ʹඋ͑ΔɻεʔύʔόΠβ ͸ɺ؂ಜԼʹ͋Δίϯϙʔω ϯτͷো֐ʹ൓Ԡ͢ΔػձΛ ༩͑ΒΕΔɻ "DUPS 4VQFSWJTPS ো֐ͷൃੜ "DUPS ؂ಜऀͷࢦࣔ ܖ໿ҧ൓࣌͸ΤϥʔΛฦ͢ SFR SFT

଱ো֐ੑ 3FTJMJFOU w ো֐ൃੜ࣌ʹɺԼҐίϯϙʔ ωϯτΛఀࢭͨ͠Γɺ࠶ىಈ ͨ͠Γɺແࢹͯ͠ܧଓͨ͠Γ Ͱ͖Δɻ·ͨɺ͞Βʹ্Ґͷ εʔύόΠβνΣΠϯʹো֐ ௨஌ΛΤεΧϨʔτ͢Δ͜ͱ ΋Ͱ͖Δɻ
w ͜ͷΞϓϩʔνͰো֐͕ൃੜ ͨ͠ྖҬΛ෼཭͠ɺଞͷؔ܎ ͠ͳ͍ଟ͘ͷྖҬΛอޢ͢Δ ͜ͱ͕Ͱ͖Δɻ͜ΕΒΛশ͠ ͯࣗݾճ෮ྗͱ͍͏ɻ "DUPS 4VQFSWJTPS ো֐ൃੜ ྫ֎௨஌ 4VQFSWJTPS ྫ֎ͷΤεΧϨʔτ ఀࢭ ࠶ىಈ ܧଓ ఀࢭ ࠶ىಈ ܧଓ "DUPS "DUPS "DUPS "DUPS "DUPS ࠶ىಈ࣌͸ೖସ

஄ྗੑ &MBTUJD w εέʔϥϏϦςΟʹ͸ɺਨ௚ͱਫ ฏ͕͋ΔɻͲͪΒ͔Ұํ΋͘͠ ͸྆ํಉ࣌ʹ࢖͏͜ͱ͕Ͱ͖Δɻ ஄ྗੑͱ͸ཁٻʹԠͨ͡εέʔ ϦϯάઓུɻΦϑϐʔΫ࣌͸ແବ ʹϦιʔεΛར༻͠ͳ͍ͳͲɻ w
ϝοηʔδۦಈʹΑͬͯɺίϯ ϙʔωϯτ͸ඞཁʹԠͯ͡ಁա తʹϩʔΧϧϊʔυ΋ϦϞʔτ ϊʔυ΋ར༻Ͱ͖ΔɻҐஔಁա ੑͷ͋ΔίϯϙʔωϯτΛར༻ Ͱ͖Δɻίϯϙʔωϯτͷϝο ηʔδۦಈͱҐஔಁաੑͷ྆ํ Ͱ஄ྗੑΛ࣮ݱ͢Δɻ /PEF DPSF UISFBE DPSF UISFBE DPSF UISFBE DPSF UISFBE "DUPS "DUPS "DUPS "DUPS /PEF "DUPS /PEF "DUPS /PEF "DUPS .FTTBHF CZ"DUPS3FG .FTTBHFCZ"DUPS3FG 4DBMJOHVQ 4DBMJOHPVU 4DBMJOHPVU 4DBMJOHPVU 4DBMJOHPVU 4DBMJOHPVU

ϝοηʔδۦಈ w ϝοηʔδΛड৴ͯ͠ॳΊͯɺར༻ՄೳͳεϨουΛ࢖ͬͯ൓Ԡ͢Δɻϝοηʔδ ʹ൓Ԡ͠ͳ͍ίϯϙʔωϯτ͸وॏͳ$16ࢿݯΛফඅ͠ͳ͍ɻ w ϝοηʔδʹ൓Ԡ͢Δ͔Ͳ͏͔͸ίϯϙʔωϯτ͕બ୒Ͱ͖ɺى͖ಘΔϝοηʔδ ʹඋ͑Δ͜ͱ͕Ͱ͖Δɻ͜ΕʹΑͬͯɺૹ৴ଆͱड৴ଆͷίϯϙʔωϯτ͸ɺΠϯ λʔϑΣΠεͱ͔࣌ؒΒ෼཭͞ΕΔɻ BLLBSFNPUFΛ࢖͏ͱۭؒ΋෼཭Ͱ͖Δ
w ϝοηʔδ͸ඇಉظʹૹ৴͞Είϯϙʔωϯτ͸Ұ౓ʹܾ·ͬͨ୯Ґͷϝοηʔδ Λॲཧ͢Δɻ$16Λසൟʹফඅ͢ΔϙʔϦϯάͱϒϩοΩϯάΛ࠾༻ͤͣɺߴε ϧʔϓοτʹϑΥʔΧε͢ΔͨΊʹ$16Λղ์͢ΔɻඞཁʹԠͨ͡൓Ԡ͕௿ϨΠς ϯγʔΛಋ͘ɻ ඞཁʹԠͯ͡όοΫϓϨογϟʹΑΔϑϩʔ੍ޚ΋Մೳ "DUPS "DUPS DMBTT5PEP"HHSFHBUFFYUFOET"DUPS\ PWFSSJEFEFGSFDFJWF3FDFJWF\  ࠷ޙʹॲཧͨ͠ίϚϯυ*%ΑΓ େ͖͘ͳ͍ͱॲཧ͠ͳ͍ ܖ໿ͷදݱ DBTFSFR$SFBUF5PEPJGDNEJEMBTU*E Ϩεϙϯε΋ඇಉظʹฦ͞ΕΔ ੒ޭ $SFBUF5PEP4VDDFFEFE Λฦ͢ TFOEFS DSFBUF5PEP SFR DBTFDNE$SFBUF5PEPJGDNEJEMBTU*E TFOEFS $SFBUF5PEP&SSPS ʜ ΤϥʔΛฦ͢ ^ PWFSSJEFEFGSFDFJWF3FDFJWF\  DBTFSFRʜ UPEP"HHSFHBUF$SFBUF5PEP ʜ 'JSFBOE'PSHFU ൃՐͨ͠Β͙͢ʹ๨ΕΔ DBTFSFT$SFBUF5PEP4VDDFFEFE Ϩεϙϯε͕͖ͨΒ൓Ԡ͢Δ  ^

"LLBͱ͸ w IUUQBLLBJP w -JHIUCFOEࣾ$50+POBT#POÉSࢯ͕࠷ॳʹ։ൃɻ w ىݯ͸&SMBOHɻ w ೥$BSM)FXJUUࢯ͕ߟҊ͕ͨ͠ɺ&SMBOHͰ༗໊ʹͳͬͨɻ w
ಛ௃ w ϦΞΫςΟϒએݴΛαϙʔτ͍ͯ͠Δ w εέʔϧΞοϓ ฒߦ w εέʔϧΞ΢τ ϦϞʔςΟϯά w ଱ো֐ੑ w ࠾༻ࣄྫ w ιʔγϟϧϝσΟΞ w σʔλղੳ w ϔϧεέΞ w ౤ࢿ෼໺ ϚʔνϟϯτɾόϯΩϯά w Ϊϟϯϒϧܥʜɻ

ͳͥ"LLBͳͷ͔ w $16ةػ w γϯάϧίΞةػ ೥ࠒ͔ΒϚϧνίΞొ৔ w ϚϧνίΞ͸୯ҰίΞ͕௿଎ʹͳΔ܏޲ʹ͋ΔͨΊɺΞϓϦ
έʔγϣϯͷฒߦ౓͕௿͍ͱύϑΥʔϚϯε͕௿Լ͢Δͱ͍ ͏ϦεΫ͕͋Δ ϚϧνίΞةػ ɻ͔͠͠ɺεϨουϓϩά ϥϛϯά͸ɺσουϩοΫ΍ϨʔείϯσΟγϣϯɺՄࢹੑ ͷ໰୊ͳͲͰඇৗʹ೉͍͠ͱ͍͏໰୊͕͋Δɻ w $,໰୊ w ૿͑ଓ͚ΔΫϥΠΞϯτΛͲͷΑ͏ʹॲཧ͢Δ͔ͷ໰୊ɻ໰ ୊ʹͳΔͷ͸ϒϩοΩϯά*0 /HOJY ʙ /PEFKT ʙ ͸ϊϯϒϩοΩϯά*0ͱΠϕϯτϧʔϓͰ ղܾͨ͠

ͳͥ"LLBͳͷ͔ w ϚϧνίΞةػΛλʔήοτʹͨ͠ݴޠͷొ৔ w &SMBOH 4DBMB ʜ w ෆมੑ΍ܰྔϓϩηεͳͲ
w &SMBOHͷ఻આ w ೥&SJDTTPO͕ΞΫλʔϞσϧΛϕʔεʹͨ͠&SMBOHΛ։ ൃɻి࿩ަ׵ػͰ OJOFOJOFT࿦ཧతʹ͸ ೥ؒͷՔಇͰඵͷఀࢭ࣌ؒ ɻ೥8IBU"QQ͕୆ͷ αʔόͰສΫϥΠΞϯτΛࡹ͘ɻ w "LLBͷొ৔ w ೥"LLBϦϦʔεɻϝοηʔδۦಈ ϊϯϒϩοΩϯ ά*0Ͱ$,໰୊Λղܾɻ೥ͷهࣄͰ͸&SMBOHͷഒͷ εϧʔϓοτΛൃشͨ͠ͱ͍͏ࣄྫ΋͋Δɻ

"LLBͷओͳϓϩμΫτ w BLLBBDUPS w ෼ࢄͱฒߦΛ࣮ݱ͢ΔͨΊͷΞΫλʔϞσϧΛఏڙ͢Δɻ؆ ୯ͳ"1*ͰεϨου؅ཧ΍ϩοΫͷऔΓѻ͍Λܰݮɻ w BLLBSFNPUF w
ϦϞʔτ্ͷϊʔυͰՔಇ͢ΔΞΫλʔʹϝοηʔδύο γϣϯ͢ΔͨΊͷϓϩμΫτɻ w BLLBDMVTUFS w ଱ো֐ੑͷ͋Δ෼ࢄܕ11ϕʔεΫϥελΛߏங͢ΔͨΊͷ ϓϩμΫτɻ w BLLBIUUQ FYQFSJNFOUBM w )551Λܦ༝ͯ͠"DUPSΛެ։ͨ͠Γɺ"DUPSϕʔεͷ)551 ΫϥΠΞϯταʔϏεΛར༻͢ΔͨΊͷϓϩμΫτ

"LLBͷओͳϓϩμΫτ w BLLBQFSTJTUFODF w εςʔτϑϧΞΫλʔͷ಺෦ঢ়ଶΛӬଓԽ͢ΔػೳɻΞΫλʔͷॳظ Խ࣌΍ྫ֎ʹΑΔ࠶ىಈ࣌ɺ+7.ͷΫϥογϡ࣌ʹҎલͷঢ়ଶΛ෮ݩ ͢Δ͜ͱ͕Ͱ͖Δɻ w BLLBQFSTJTUFODFRVFSZ
w ඇಉظετϦʔϜϕʔεͷΫΤϦ*'ʹΑͬͯఏڙ͞ΕΔΫΤϦʔί ϯϙʔωϯτɻ w BLLBTUSFBN w ΞΫλʔΛ࿈݁ͤͯ͞ඇಉظετϦʔϜॲཧΛ͢ΔͨΊͷ1JQFBOE 'JMUFSΛ࡞Δ͜ͱ͕Ͱ͖Δ͕ɺ҆ఆͨ͠ετϦʔϛϯάॲཧΛ͢Δʹ ͸ɺΤϥʔϋϯυϦϯάΛߦͬͨΓɺ͋Δϓϩηε্ͷόοϑΝ΍ ϝʔϧϘοΫε͕Φʔόʔϑϩʔ͠ͳ͍Α͏ʹ͢Δ CBDLQSFTTVSF ඞཁ͕͋Δɻ੩తܕͳཁૉΛѻ͏ετϦʔϜͰΞΫλʔ͸഑ઢϛεΛ ๷ࢭ͢Δ੩తܕ෇͚Λอূ͢Δํ๏͕ͳ͍ɻBLLBTUSFBN͸͜ΕΒͷ ໰୊Λղܾ͢Δɻ

%%%ͷΤοηϯε

υϝΠϯϞσϧͱ͸ w zυϝΠϯϞσϧͱ͸ಛఆͷਤͰͳ͘ɺ ਤ͕఻͑Α͏ͱ͢Δߟ͑ํͰ͋Δz w ࠨਤ͸ੈلͷதࠃͷੈք஍ਤɻࠃ ಺ʹؔ৺͕͋ΔͨΊɺ֎ࠃ͸͓͟ͳ Γͳදݱɻ w zͲΜͳϞσϧ΋ɺݱ࣮ͷԿΒ͔ͷଆ
໘΍ڵຯͷର৅ͱͳΔ֓೦Λද͍ͯ͠ ΔɻϞσϧͱ͸؆ૉԽͰ͋Δɻͭ· Γɺ౰໘ͷ໰୊Λղܾ͢Δ্Ͱؔ࿈ ͢Δଆ໘Λந৅Խ͠ɺͦΕҎ֎ͷৄ ࡉΛແࢹ͢Δ͜ͱʹΑͬͯߦΘΕͨɺ ݱ࣮ʹର͢Δ̍ͭͷղऍͳͷͩɻz

υϝΠϯۦಈઃܭͷҙٛ w ͜Ε·Ͱ͸ɺϞσϧͱ͸σʔλͷೖΕ෺ͰɺͦΕ Λૢ࡞ͯ͠खଓ͖Λ࣮ݱ͢ΔαʔϏεΛ࣮૷͢ Δɺͱ͍͏ٕज़ۦಈͳߟ͑ํ͕த৺ͩͬͨ τϥϯ βΫγϣϯεΫϦϓτ ɻ w
υϝΠϯۦಈͰ͸ɺυϝΠϯϞσϧ͕ࣔ͢ߟ͑ํ Λ֩৺ʹ͢Δɻ%%%Ͱ͸͜ͷ੹຿Λ୲͏ΦϒδΣ Ϋτ܈Λڠௐಈ࡞ͤ͞Δ͜ͱΛલఏͱ͍ͯ͠Δɻ

υϝΠϯۦಈઃܭͷҙٛ w ೥୅ɺ"MBO,BZࢯͷ%ZOBCPPLߏ૝͸ɺzίϯϐϡʔ λ͸ਓؒͷਫ਼ਆ ϝϯλϧϞσϧ Λ֦ுͨ͠΋ͷͰ͋Δz ͱ͍͏ൃ૝͔Βੜ·ΕͨɻޙʹͦΕΛιʔείʔυʹ൓ ө͢ΔͨΊʹΦϒδΣΫτࢦ޲ϓϩάϥϛϯάݴޠ 4NBMMUBMLΛ։ൃɻ
w ೥ʹ.7$ߟҊऀͷ5SZHWFࢯ͸ɺzϞσϧͱ͸஌ࣝͷ ද৅Ͱ͋Δzͱఏএͨ͠ɻͦ΋ͦ΋ɺ.7$ͷ.ͱ͸σʔ λͰ΋ॲཧΛهड़͢Δ͚ͩͷ΋ͷͰ͸ͳ͘ɺϞσϧ͕ࣔ ͢ߟ͑ํʹ֓೦Λࣔ͢΋ͷͰ͋Δɻ w %%%Ͱ͸ɺϞσϧߟ͑ํͱίʔυΛ݁ͼ͚ͭͨιϑτ ΢ΣΞΛ࣮ݱ͢Δɻݪ఺ճؼͰ΋͋ΓैདྷͷԆ௕ઢ্ʹ ͋Δ΋ͷͰ͋Δɻ

%%%ͰͲ͏มΘΔͷ͔ w ϞϊϦεͳγεςϜ͕ཁ݅ͷมԽͱͱ΋ʹෳࡶԽ͢Δɻ w ڥք෇͚ΒΕͨίϯςΩετ ҎԼ#$ ʹΑͬͯɺۀ຿ʹ߹Θͤ ͯγεςϜΛద੾ʹ෼ׂɾ౷߹͢ΔɻڥքʹΑͬͯ௿݁߹ɾߴڽ ूΛ࣮ݱՄೳ ͋Β͔͡Ί༧ଌͰ͖ͳ͍ͱ͍͏໰୊΋͋Δ
ɻ w ސ٬ͱ։ൃऀͷѻ͏ݴ༿͕ҟͳΓɺυϝΠϯϞσϧͱιϑτ΢ΣΞ ͷ࣮૷ίʔυʹဃ཭͕ੜ͡Δɻ w ސ٬ͱ։ൃऀͰڞ௨ͷݴޠମܥʢϢϏΩλεݴޠʣΛཱ֬͠ɺͦ ΕʹΑͬͯͰදݱ͞ΕΔυϝΠϯϞσϧΛιϑτ΢ΣΞʹ൓ө͢ Δɻ w τϥϯβΫγϣϯॲཧͱσʔλओମͷzτϥϯβΫγϣϯεΫϦϓ τz͸ɺϩδοΫͷॏෳʹؾ͖ͮʹ͘͘มߋՕॴͷݟۃΊ͕೉͍͠ɻ w ֓೦ͷॏෳ͕ͳ͍υϝΠϯϞσϧΛجʹιϑτ΢ΣΞΛߏங͠ɺ ϏδωεͷมԽʹରԠͰ͖ΔΑ͏ʹඋ͑Δ ͨͩ͠ɺมߋίετ͕ ͳ͍ͱ͍͏༁Ͱ͸ͳ͍ ɻ

ڥք͚ͮΒΕͨίϯςΩετͱ͸ ͜Ε͸Կʹݟ͑·͔͢ʁ

ڥք͚ͮΒΕͨίϯςΩετͱ͸ ϧϏϯͷᆵ ਤͱ஍͕ᐆດͳֆ നΛ஍ͱΈΕ͹ɺإ ࠇΛ஍ͱΈΕ͹ɺՖ ළ

ΞΧ΢ϯτͷྫ w จ຺͕ந৅Խ͞Εͨ΋ͷ͕ه߸ɻจ຺͕ڞ༗͞Εͯ ͍ͳ͍ͱҙຯΛղऍ σίʔυ Ͱ͖ͳ͍ɻͦͷจ຺͜ ͕ͦڥք͚ͮΒΕͨίϯςΩετ w %%%Ͱ͸ಉ໊͡લͰ΋#$͕ҟͳΕ͹ɺҟͳΔϞσϧ ͱͯ͠ఆٛ͢Δɻ
ΞΧ΢ϯτ ΞΧ΢ϯτ ۜߦίϯςΩετ จֶίϯςΩετ ʹۜߦޱ࠲ ʹݸਓͷه࿥

#$ͱϚΠΫϩαʔϏε ࢓ೖ#$ ࡏݿ#$ ग़ՙ#$ ൢച#$ ࢓ೖ؅ཧαʔϏε ঎඼ ࢓ೖઌ ࡏݿ؅ཧαʔϏε ঎඼
อ؅৔ॴ ग़ՙ؅ཧαʔϏε ঎඼ ग़ՙઌ ൢച؅ཧαʔϏε ঎඼ ஫จ ސ٬

':*#$ͱϚΠΫϩαʔϏε w &WFOU4PVSDJOHͳͲͰγϦΞϥΠζ͞Ε͍ͯΔ*NNVUBCMF ͳυϝΠϯΠϕϯτΛ࢖ͬͯɺඇಉظʹϨϙʔτΛ࡞੒͢ Δ͜ͱ͕Ͱ͖Δɻ w ·ͨ#$ؒͷΠϕϯτͷ఻ୡखஈͷͻͱͭͱͯ͠΋ར༻Ͱ ͖Δɻ

':*ϦΞΫςΟϒએݴͱ%%% ϦΞΫςΟϒγεςϜͷίϯϙʔωϯτ͸#$ʹΑִͬͯ཭͠ ੹຿ʹରͯ͠ಠཱͨ͠ਐԽ͕Ͱ͖ΔΑ͏ʹ͢Δ

ϢϏΩλεݴޠͱ͸ w υϝΠϯΤΩεύʔτͱ։ൃऀͰ࿩͢ݴ༿͕ҟͳΔ ͜ͱ͕͋ΓͲͪΒଆʹ΋ઐ໳༻ޠ͕͋Δɻಉ͡༻ޠ ΛҟͳΔҙຯͰ࢖͏͜ͱ΋͋Δɻ w ݴޠ͔Βݴޠ΁ͷ຋༁͸ίετ͕ߴ͍ɻ͕͔͔࣌ؒ Δɻ ຋༁ऀ͕ඞཁͳ৔߹΋͋Δ ϢϏΩλεݴޠͱ
͸ɺεςʔΫϗϧμʔΒ͕ڞ௨ݴޠମܥΛ࣋ͭ͜ͱɻ Ϗδωε υϝΠϯ ͷઐ໳Ո ։ൃνʔϜ ϢϏΩλε ݴޠ

Ϟσϧۦಈઃܭͱ͸ w lઃܭ͕͋Δ͍͸ઃܭͷத৺ͱͳΔ෦෼͕ɺυϝΠϯϞσϧ ʹඥ෇͍͍ͯͳ͍ͳΒ͹ɺͦͷϞσϧʹ΄ͱΜͲՁ஋͸ͳ ͘ɺιϑτ΢ΣΞ͕ਖ਼֬Ͱ͋Δ͔Ͳ͏͔΋ٙΘ͍͠ɻಉ͡Α ͏ʹɺϞσϧͱઃܭ͞Εͨػೳͱͷඥ෇͚͕ෳࡶͩͱཧղ͢ Δͷ͕೉͘͠ɺ࣮ࡍʹ͸ɺઃܭ͕มߋ͞Εͨ࣌ʹඥ෇͚Λҡ ࣋Ͱ͖ͳ͘ͳΔɻz w lඥ෇͚͕໌Β͔ʹͳΔΑ͏ʹɺυϝΠϯϞσϧΛจࣈ௨Γ
ͷҙຯͰ஧࣮ʹ൓өͤ͞Δ͜ͱɻϞσϧʹ͍ͭͯ࠶ݕ౼͠ɺ ΑΓࣗવʹιϑτ΢ΣΞʹ࣮૷͞ΕΔΑ͏ʹमਖ਼͢Δ͜ͱɻ தུίʔυ͸ϞσϧͷදݱͱͳΔ͔Βɺίʔυʹର͢Δ มߋ͸Ϟσϧʹର͢ΔมߋʹͳΔ͔΋͠Εͳ͍ɻͦͷӨڹ͸ɺ ϓϩδΣΫτͷଞͷ׆ಈશମ΁ͱదٓ఻Θ͍͔ͬͯͳ͚Ε͹ ͳΒͳ͍ɻz Ͳ͏͢Δͷ͔

υϝΠϯϞσϧͱίʔυͷඥ෇͚ WBMLBUP6TFS  WBMBEBDIJ6TFSʜ WBM DIBOOFM BENJOJTUSBUPS LBUPDSFBUF$IBOOFM JEJE8PSLFSDSFBUF*E
UJUMF<1+>5FTU EFTDSJQUJPO4PNF ։ൃϓϩδΣΫτ DIBOOFM5ZQF$IBOOFM5ZQF(SPVQ WBMBEBDIJ.FNCFS BENJOJTUSBUPSDSFBUF.FNCFS DIBOOFM BEBDIJ WBMNFTTBHFBEBDIJ.FNCFSDSFBUF.FTTBHF JEJE8PSLFSDSFBUF*E SPPN*ESPPNJE VTFS*ELBUPJE WBMVF͓͔ͭΕ͞·Ͱ͢ WBMDIBOOFM$IBOOFM JEJE8PSLFSDSFBUF*E UJUMF<1+>5FTU EFTDSJQUJPO4PNF ։ൃϓϩδΣΫτ DIBOOFM5ZQF$IBOOFM5ZQF(SPVQ WBMLBUP.FNCFS.FNCFS JEJE8PSLFSDSFBUF*E SPPN*ESPPNJE VTFS*ELBUPJE SPMF5ZQF3PMF5ZQF"ENJOJTUSBUPS WBMBEBDIJ.FNCFS.FNCFS JEJE8PSLFSDSFBUF*E SPPN*ESPPNJE VTFS*EBEBDIJJE SPMF5ZQF3PMF5ZQF.FNCFS WBMNFTTBHF.FTTBHF JEJE8PSLFSDSFBUF*E SPPN*ESPPNJE VTFS*ELBUPJE WBMVF͓͔ͭΕ͞·Ͱ͢ ශ݂঱ ඇශ݂঱ දݱ๛͔ͳυϝΠϯϞσϧ͔Βɺϝϯόʔ ʹͳΒͳ͍ͱϝοηʔδ͕ૹ৴Ͱ͖ͳ͍ͳͲ ͷɺߟ͑ํ͕ཧղͰ͖ΔΑ͏ʹͳΔɻ

υϝΠϯ૚ͷִ཭

ϨΠϠʔԽΞʔΩςΫνϟ w ϨΠϠʔ͝ͱʹ੹຿͕ҟͳΓɺυϝΠϯϞσϧ͕ଞͷ ϨΠϠʔʹਁ৯͞Εͳ͍Α͏ʹִ཭͢Δ͜ͱ͕໨త υϝΠϯ૚ ΞϓϦέʔγϣϯ૚ ΠϯϑϥετϥΫνϟ૚ ΠϯλʔϑΣΠε૚ $POUSPMMFS
31$ 7JFX 7JFX.PEFM "QQMJDBUJPO4FSWJDF %"0 3FDPSE "HHSFHBUF %PNBJO 4FSWJDF 3FQPTJUPSZ &OUJUZ 7BMVF0CKFDU

ϨΠϠʔԽΞʔΩςΫνϟ w %*1ʹΑͬͯɺυϝΠϯ૚ͷಠཱੑΛΑΓߴΊ ͨϨΠΞ΢τ΋͋Δɻ υϝΠϯ૚ ΞϓϦέʔγϣϯ૚ ΠϯϑϥετϥΫνϟ૚ ΠϯλʔϑΣΠε૚ υϝΠϯ૚
ΞϓϦέʔγϣϯ૚ ΠϯϑϥετϥΫνϟ૚ ΠϯλʔϑΣΠε૚ 3FQPTJUPSZ*NQM BT%BP 3FQPTJUPSZ*' "QQMJDBUJPO4FSWJDF %BP3FDPSE 3FQPTJUPSZ*NQM "QQMJDBUJPO4FSWJDF ू໿ͱ ςʔϒϧදݱ ͷ૬ޓม׵ υϝΠϯ૚Λ ஌͍ͬͯΔͷ Ͱςʔϒϧද ݱʹม׵͢Δ ඞཁ͸ඞͣ͠ ΋ͳ͍ ఻౷తͳϨΠϠʔԽΞʔΩςΫνϟ %*1ݪଇΛద༻ͨ͠ ϨΠϠʔԽΞʔΩςΫνϟ

':*ϔΩαΰφϧΞʔΩςΫνϟ w%*1Λԁঢ়ʹల։ͨ͠ϨΠϠʔԽΞʔΩςΫνϟ

ू໿

ؔ࿈ͷہॴԽͱෆม৚݅ҡ࣋ w ෳࡶͳؔ࿈͕൐͏Ϟσϧ͸ɺΦϒδΣ Ϋτʹର͢ΔมߋͷҰ؏ੑΛอͭͷ͕ ೉͍͠ɻ w ҡ࣋͢΂͖ෆม৚݅ʹ͸ɺݸʑͷΦϒ δΣΫτʹద༻͞ΕΔ΋ͷ͚ͩͰ͸ͳ ͘ີ઀ʹؔ࿈͢ΔΦϒδΣΫτͷά ϧʔϓʹద༻͞ΕΔ΋ͷ΋͋Δɻ
w ͕ͩɺ৻ॏʹϩοΫ͗͢͠Δͱɺࠓ౓ ͸ෳ਺ͷϢʔβ͕ࢦ਑΋ͳ͘૬ޓʹׯ ব͠߹͍ɺγεςϜ͕࢖͍΋ͷʹͳΒ ͳ͘ͳΔɻ

ू໿ͱ͸ Customer CustomerProfile PostalAddress Pref.Value Contact CustomerConfig w ΤϯςΟςΟͱ஋ΦϒδΣΫτΛू ໿ͷதʹ·ͱΊɺ֤ू໿ͷपғʹڥ
քΛఆٛ͢Δ͜ͱɻ w ڥքͷ಺෦ʹଘࡏ͢ΔΦϒδΣΫτ ΁ͷΞΫηε͸ͦͷϧʔτΛܦ༝͠ ੍ͯޚ͢Δ͜ͱɻϧʔτ͕ΞΫηε Λ੍ޚ͢ΔͷͰɺ಺෦͕஌Βͳ͍͏ ͪʹมߋ͞ΕΔ͜ͱ͸ͳ͘ͳΔɻ w ͲΜͳঢ়ଶมԽʹ͓͍ͯ΋ɺू໿಺ ʹ͋ΔΦϒδΣΫτͱू໿શମʹର͠ ͯɺෆม৚݅Λ͢΂ͯڧ੍͢Δ͜ͱ ͕ݱ࣮తʹͳΔɻ $VTUPNFS಺෦ͷΦϒδΣΫτ͸ $VTUPNFS͕͔͋ͣΓ஌Β͵ͱ͜ΖͰ ঢ়ଶมԽͯ͠͸ͳΒͳ͍ɻ ඞͣ$VTUPNFSΛ௨ͯ͠ߦ͏

':*ू໿Λ"DUPSͰ࣮૷͢Δཧ༝ w ू໿ΞΫλʔ಺෦ͷࢀর ʹ௚઀ΞΫηε͢Δ͜ͱ͕ Ͱ͖ͳ͍ɻ w ϝοηʔδΛհͯ͠ͷΈঢ় ଶͷมߋ΍औಘ͕Մೳɻ w ͭ·Γɺू໿ΞΫλʔΛ
ܦ༝͢Δ͜ͱͰɺඞવతʹ ෆม৚݅Λҡ࣋Ͱ͖ΔΑ ͏ʹͳΔɻ class Counter extends Actor {    var count: Int = 0    override def receive: Receive = {  case Counter.Increment =>  count += 2  case Counter.Get =>  sender() ! Value(count)  }  }    import Counter._    val system = ActorSystem()    val c = system.actorOf(Props[Counter])  implicit val timeout = Timeout(1 seconds)    // c.count ͦ΋ͦ΋ίϯύΠϧͰ͖ͳ͍    c ! Increment  val r = (c ? Counter.Get).mapTo[Value]   println(r)

':*"DUJWF3FDPSE͸ू໿ʹ͋Βͣ CustomerProfile CustomerConfig w υϝΠϯϞσϧ͸֓೦ ߟ͑ํ Λ౤Өͨ͠΋ͷͰ͋ΓɺςʔϒϧΛ౤ Өͨ͠΋ͷ͕υϝΠϯϞσϧͰ͸ͳ͍ɻ w ԾʹɺςʔϒϧʹυϝΠϯϞσϧͱͨ͠৔߹͸ɺ҉໧ͷڥքΛఆΊ
Δ͜ͱͱͳΓɺίʔυʹυϝΠϯϞσϧͷߟ͑ํΛ൓өͰ͖ͳ͘ͳ Δɻ Customer Customer CustomerProfile PostalAddress Pref.Value Contact CustomerConfig

"LLͱ%%%Λ૊Έ߹ΘͤΔํ๏

"LLBΛجʹͨ͠ϨΠϠʔԽΞʔΩςΫνϟ w ΄΅͢΂͕ͯBLLBBDUPS΋͘͠BLLBTUSFBN͸ϕʔεͱͳΔɻ w ू໿͸੔߹ੑͷ࠷খ୯Ґɻू໿ͷ֎͸݁Ռ੔߹ɻ w 44ͷ৔߹͸ϦϙδτϦ͕ඞཁ͕ͩɺ&4Ͱ͋Ε͹BLLB QFSTJTUFOFDΛ࢖͑͹ϦϙδτϦ͸ෆཁ w Ұ࿈ͷखଓ͖͸ϓϩηεϚωʔδϟͰ࣮ݱɻ
υϝΠϯ૚ ΞϓϦέʔγϣϯ૚ ΠϯϑϥετϥΫνϟ૚ ΠϯλʔϑΣΠε૚ 3PVUF 31$ 3FR3FT.PEFM 1SPDFTT.BOHFS BT"4 %"0 3FDPSE "HHSFHBUF"DUPS 1SPDFTT .BOBHFS BT%4 &OUJUZ 7BMVF0CKFDU 3FQPTJUPSZ "DUPS

/PEF" $MVTUFS $234 &WFOU4PVSDJOH "HHSFHBUF 4IBSE 4UBUF "HHSFHBUF 4VQFSWJTPS "HHSFHBUF
4UBUF "HHSFHBUF 4VQFSWJTPS ʜ ʜ &WFOU4UPSF 3FTQPOTF%# /PEF# $MVTUFS /PEF$ /PO$MVTUFS 3FBE.PEFM6QEBUFS 3FBE%BP "QQMJDBUJPO4FSWJDF BT1SPDFTT.BOBHFS 4IBSE3FHJPO $POUSPMMFS"DUJPO 4IBSE$PPSEJOBUPS DMVTUFSTJOHMFUPO 4IBSE 4IBSE3FHJPO "HHSFHBUF 4UBUF "HHSFHBUF 4VQFSWJTPS 4IBSE "HHSFHBUF 4UBUF "HHSFHBUF 4VQFSWJTPS 4IBSE ʜ ʜ "HHSFHBUF 4UBUF "HHSFHBUF 4VQFSWJTPS ʜ 3FBE.PEFM6QEBUFS 3FBE.PEFM6QEBUFS $MVTUFS಺Ͱ"DUPSΛҰ͚ͭͩʹͰ͖Δ 4IBSE಺ʹ"DUPSΛ෼ࢄͰ͖Δ εςʔτϨεͳ4USFBN εςʔτϨεͳ4USFBN "QQMJDBUJPO4FSWJDF $POUSPMMFS"DUJPO

"DUPSͷجૅ

BLLBBDUPSͷྫ class MyActor extends Actor {  val log = Logging(context.system,
this)    def receive = {  case n: Int => log.info("received {}", n)  case msg: String => sender() ! "***" + msg + "***"  case _ => log.info("received unknown message")  }  }    implicit val system = ActorSystem()    val props1 = Props[MyActor]    val actorRef = system.actorOf(props1)    actorRef ! 1    val future = (actorRef ? "HelloWorld").mapTo[String]  val result = Await.result(future, Duration.Inf)  println(result)    actorRef ! 1L 'JSFBOE'PSHFU͸౤͛ͬͺͳ͠ɻϝιο υίʔϧʹ૬౰͢Δϝοηʔδ͸ΞΫλʔ ͕ड͚ೖΕΔ͔Ͳ͏͔ΛܾΊ͍ͯΔɻ໭ Γ஋͸࣌ؒతͳ੍໿͕ͳ͍ɻϝοηʔδ ͸TFOEFSʹฦ౴Λฦ͞ͳ͍XBZͱTFOEFS ʹฦ౴Λฦ͢XBZ͕͋Δɻ

"DUPSͷҐஔಁաੑ w ैདྷͷख๏Ͱ͸ɺεέʔϧΞοϓઓུͷͨΊʹϚϧνεϨου ΛɺεέʔϧΞ΢τઓུͷͨΊʹ31$Λར༻͢ΔͨΊɺϓϩά ϥϜίʔυ͸ந৅ԽͰ͖ͳ͍ɻ࣮૷͕ෳࡶԽ͢ΔҰͭͷཁҼɻ w "DUPS3FG͸"DUPS΁ͷΞυϨεΛදݱ͠ɺϩʔΧϧͰ͋ͬͯ΋ ϦϞʔτͰ͋ͬͯ΋։ൃऀ͕ҙࣝͤͣʹར༻Ͱ͖Δɻ /PEF" 3FDFJWFS"
4FOEFS BDUPS3FG /PEF" 4FOEFS BDUPS3FG /PEF# 3FDFJWFS# ϩʔΧϧ഑ૹ ϦϞʔτ഑ૹ BLLBSFNPUF ϩʔΧϧͰ΋ϦϞʔτͰ΋ಉ͡"1*  UPEP"HHSFHBUF$SFBUF5PEP ʜ

"DUPS4ZTUFNͱώΤϥϧΩʔ w ࠷ॳʹ"DUPS4ZTUFN͕࡞ΒΕΔɻ"DUPS4ZTUFNΛ࢖ͬͯ4VQFSWJTPSΛ࡞ Δɻ4VQFSWJTPS͕ࢠΞΫλʔΛ࡞Δ͜ͱͰώΤϥϧΩʔΛߏங͢Δɻ w ࣮ࡍʹ͸ɺΞϓϦέʔγϣϯ༻ͷΞΫλʔ͸VTFSHVBSEJBO഑Լʹॴଐ ͢Δɻ "DUPS4ZTUFN l0SEFS4ZTUFNz 4VQFSWJTPS
1SPEVDUT 1SPEVDU 6TFST 6TFS 0SEFST 0SEFS "QQMJDBUJPO

4VQFSWJTPSͷ࣮ྫ

4VQFSWJTPSΛ࣮૷͢Δ class Supervisor(childProps: Props) extends Actor {    override val
supervisorStrategy = OneForOneStrategy() {  case _: NumberFormatException => Restart  case _: IllegalArgumentException => Stop  case _: Exception => Escalate  }    val child = context.actorOf(childProps, "child")    override def receive: Receive = {  case msg => child forward msg  }  }  4VQFSWJTPS͕ड৴ͨ͠ϝοηʔδ͸ࢠΞΫλʔʹసૹ͢Δɻ TFOEFSΛม͑ͳ͍ɻ  ਺஋ม׵Ͱ͖ͳ͍৔߹͸3FTUBSU ෆਖ਼ͳೖྗ৚݅ͳΒ&TDBMBUF ͢ΔɺεʔύόΠβετϥςδΛ૊ΈࠐΉɻ4VQFSWJTPS͸ྫ֎ Λड͚औΔͱো֐Λִ཭͢Δɻ

ࢠΞΫλʔΛ࣮૷͢Δ case class ToInt(value: String)  case class IntValue(value: Int)   
class MyActor extends Actor {  val log = Logging(context.system, this)    @scala.throws[Exception](classOf[Exception])  override def preStart(): Unit = {  log.info("child start")  super.preStart()  }    def receive = {  case ToInt(v) =>  require(v.length > 0)  sender() ! IntValue(v.toInt)  case _ =>  }    @scala.throws[Exception](classOf[Exception])  override def postStop(): Unit = {  log.info("child stop")  super.postStop()  }    } ࢠΞΫλʔͰ͸جຊతʹྫ֎ΛϋϯυϦ ϯά͠ͳ͍ɻਖ਼ৗܥͷΈͷ࣮૷ͰΑ͍ɻ TFOEFS ͸4VQFSWJTPSͰ͸ͳ͍ΦϦδφ ϧɻ

4VQFSWJTPSܦ༝Ͱ࣮ߦ͢Δ implicit val system = ActorSystem()  val childProps = Props[ToIntActor] 
val props = Supervisor.props(childProps)    val toIntActorRef = system.actorOf(props)    Seq("1", "a", "2", "").foreach{ s =>  try {  val future = (toIntActorRef ? ToInt(s)).mapTo[IntValue]  val result = Await.result(future, Duration.Inf)  println(s"value = $s, result = $result")  } catch {  case ex: Exception =>  ex.printStackTrace()  }  } ظ଴͢Δɺظ଴͠ͳ͍ɺೖྗ஋Λ౉ͯ͠ΈΔɻ

[INFO][akka://default/user/$a/child] child start   // 1ճ໨͸੒ޭɻ value = 1, result
= IntValue(1) // 2ճ໨͸ࣦഊɻ࠶ىಈ͕͔͔Δɻ [ERROR][akka://default/user/$a/child] For input string: “a" java.lang.NumberFormatException: For input string: "a" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) [INFO][akka://default/user/$a/child] child stop [INFO][akka://default/user/$a/child] child start akka.pattern.AskTimeoutException: …   // 3ճ໨͸੒ޭ value = 2, result = IntValue(2) // 4ճ໨͸ࣦഊɻΞΫλʔ͕ఀࢭ͢Δ [ERROR][akka://default/user/$a/child] requirement failed java.lang.IllegalArgumentException: requirement failed at scala.Predef$.require(Predef.scala:212) [INFO][akka://default/user/$a/child] child stop akka.pattern.AskTimeoutException: … ࣮ߦ݁Ռ "DUPSΠϯελϯε͸࠶ىಈ͕ͨ͠"DUPS3FG͸ͦͷ· ·ར༻Մೳɻ௨ৗͷΦϒδΣΫτࢀরͰ͸ΦϒδΣΫ τάϥϑͷೖΕସ͕͑ߴίετʹͳΔ͜ͱ͕͋Δɻ

':*εʔύϏδϣϯώΤϥϧΩʔ w εʔύόΠβͷϥΠϑλΠϜ͸ɺࢠΞΫλʔ ͕ଘࡏ͢Δؒͱಉ͡ɻ਌ʹΑͬͯ࡞ΒΕͨ ࢠΞΫλʔ͸ɺεʔύόΠβͷ؂ಜԼʹ ஔ͔ΕΔɻεʔύόΠβͷ੹೚͸͢΂ͯ ͷࢠΞΫλʔ͕ऴྃͨ࣌͠ʹऴΘΔɻ w Ϋϥογϡ͢ΔՄೳੑ͕ߴ͍ΞΫλʔ͸ɺ
ՄೳͳݶΓώΤϥϧΩʔͷԼ૚ʹ഑ஔ͢ ΂͖ɻԼ૚Ͱى͖ͨো֐͸ɺ্Ґ·Ͱͷ ώΤϥϧΩʔ͕؅ཧɾΤεΧϨʔγϣϯ ͕Մೳɻ࠷্Ґ͕ো֐Λىͨ͜͠৔߹ ͸ɺ࠷্ҐͷΞΫλʔͷ࠶ىಈ΋͘͠͸ ΞΫλʔγεςϜͷγϟοτμ΢ϯ͕ඞཁ ʹͳΔɻ 4VQFSWJTPS 4VQFSWJTPS 4VQFSWJTPS $IJME $IJME 4VQFSWJTPS $IJME $IJME $IJME $IJME $IJME

':*εʔύϏδϣϯώΤϥϧΩʔ w ར఺͸ɺ֤ΞΫλʔ͕௚ ઀௨৴͢Δ͜ͱɻεʔύ όΠβ͸؂ಜۀ຿ͱΠϯ ελϯε࡞੒ͷΈɻ w ܽ఺͸࠶ىಈ͔͠࢖͑ͳ ͍͜ͱͱɺࢠΞΫλʔ͕
ఀࢭ͍ͯ͠Δࡍ͸ϝοηʔ δ͕σουϨλʔʹૹΒ ΕࣦͯΘΕͯ͠·͏͜ ͱɻ਌ͷ؂ಜ͸ϝοηʔ δϑϩʔ͔Β؂ಜΛ෼཭ ͯ͠͠·͏ɻ -PH'JMF8BUIDFS 4VQFSWJTPS -PH1SPDDFTTPS 4VQFSWJTPS 3PX -PH'JMF /FX'JMF %BUBCBTF -PH1SPDDFTTPS %C8SJUFS -PH'JMF8BUIDFS %C8SJUFS 4VQFSWJTPS ώΤϥϧΩʔͷҧ͏-PH1SPDDFTTPSͷ "DUPS3FGΛಘΔͷ͸೉͍͠

':*εʔύϏδϣϯώΤϥϧΩʔ w εʔύόΠβ͸୯ͳΔੜ੒ ΍؂ಜ͚ͩͰ͸ͳ͘ɺؒ઀ ࢀরͱͯ͠ɺ͢΂ͯͷϝο ηʔδΛ୯ʹಁաతʹϑΥ ϫʔυ͢ΔɻεʔύόΠβ ͸֎෦ͷΞΫλʔͱ͸ແؔ ܎ʹɺ಺෦ͷࢠΞΫλʔΛ
ऴྃͨ͠Γɺ৽͍͠΋ͷΛ ੜΈग़ͨ͠ΓͰ͖Δɻ w ઌͷྫͱൺ΂ͯϝοηʔδ ϑϩʔͷΪϟοϓ͕ͳ͍ɻ -PH'JMF8BUIDFS4VQFSWJTPS -PH1SPDDFTTPS4VQFSWJTPS 3PX -PH'JMF /FX'JMF %BUBCBTF -PH1SPDDFTTPS %C8SJUFS -PH'JMF8BUIDFS %C8SJUFS4VQFSWJTPS

ू໿ΞΫλʔ

%PNBJO&WFOU DNESFRSFT 1FSTJTUFOU"DUPSͰ࣮૷͢Δू໿ΞΫλʔ w෭࡞༻Λى͜͢ͱυϝΠϯΠϕϯτ͕ӬଓԽ͓ΑͼൃՐ͞ΕΔ 5PEP "HHSFHBUF "DUPS $MJFOU"DUPS $SFBUF3FRVFTU 6QEBUF5FYU3FRVFTU
%FTUSPZ3FRVFTU (FU4UBUF3FRVFTU $SFBUF3FTQPOTF 6QEBUF5FYU3FTQPOTF %FTUSPZ3FTQPOTF (FU4UBUF3FTQPOTF 5PEP$SFBUFE 5PEP/BNF6QEBUFE 5PEP%FTUSPZFE TVCTDSJCFS ෭࡞༻͕ى͖ΔίϚϯυ͕डཧ͞Εͨ৔ ߹͸υϝΠϯΠϕϯτ͕ൃՐ͞ΕΔ BLLBQFSTJTUFODF KPVSOBMT TOBQTIPUT KPVSOBM KPVSOBM KPVSOBM TOBQTIPU TOBQTIPU TOBQTIPU υϝΠϯΠϕϯτͱε ςʔτΛӬଓԽ͢Δ

ू໿ΞΫλʔ class TodoAggregate(id: TodoId, subscriber: Option[ActorRef])  extends PersistentActor {  private
var state: Option[Todo] = None  private var eventCounter = 0L  override def persistenceId: String = TodoAggregate.name(id)    override def receiveCommand: Receive = {  case Create(requestId, aggregateId, todoGroupId, text) =>  require(aggregateId == id)  val now = ZonedDateTime.now()  state = Some(Todo(id, todoGroupId, text, now, now))  persist(Created(UUID.randomUUID(), aggregateId,  todoGroupId, text, now, now)  ) { event =>  sender() ! CreateSuccess(UUID.randomUUID(), requestId,  aggregateId, todoGroupId, text, now, now)  subscriber.foreach(_ ! event)  saveSnapshotEntity()  }  case Update(requestId, aggregateId, text) =>  require(aggregateId == id)  val now = ZonedDateTime.now()  state.map(_.copy(text = text, updateAt = now))  persist(Updated(UUID.randomUUID(),  aggregateId, text, now)  ) { event =>  sender() ! UpdateSuccess(UUID.randomUUID(),  requestId, aggregateId, text, now)  subscriber.foreach(_ ! event)  saveSnapshotEntity()  } ɹঢ়ଶΛ࣋ͭ ӬଓԽ*% ίϚϯυϋϯυϥ ΠϕϯτΛӬଓԽ͢Δ ඞཁʹԠͯ͡ εφοϓγϣοτ Λ࡞੒ TFOEFS ʹ ϨεϙϯεΛฦ͢ 4VCTDSJCFSʹ υϝΠϯΠϕϯτΛ ௨஌

case Delete(requestId, aggregateId) =>  require(aggregateId == id)  val now =
ZonedDateTime.now()  state = None  persist(Deleted(UUID.randomUUID(), aggregateId, now)) { event =>  sender() ! DeleteSuccess(UUID.randomUUID(), requestId, aggregateId, now)  subscriber.foreach(_ ! event)  saveSnapshotEntity()  context.stop(self)  }  case Get(requestId, aggregateId) =>  require(aggregateId == id)  val response = state.map { e =>  GetSuccess(UUID.randomUUID(), requestId, aggregateId, e)  }.getOrElse {  GetError(UUID.randomUUID(), requestId, aggregateId, new EnityNotFoundException())  }  sender() ! response  } override def receiveRecover: Receive = {  case env: Created =>  require(env.aggregateId == id)  state = Some(Todo(env.aggregateId, env.todoGroupId, env.text,  env.createAt, env.updateAt))  case env: Updated =>  require(env.aggregateId == id)  state.map(_.copy(text = env.text, updateAt = env.updateAt))  case Deleted(_, aggregateId, updateAt) =>  require(aggregateId == id)  state = None  context.stop(self)  case SnapshotOffer(metadata, snapshot: Todo) =>  state = Some(snapshot)  }  // …  } ঢ়ଶΛϦΧόϦ͢Δϋϯυϥ ঢ়ଶΛฦ͢ εφοϓγϣοτΛऔಘͨ͠Β ঢ়ଶΛߋ৽͢Δ

ΞϓϦέʔγϣϯαʔϏε ͱͯ͠ͷ ϓϩηεϚωʔδϟ

ෳ਺ͷू໿Λ*0͢ΔϓϩηεϚωʔδϟ w ϓϩηεϚωʔδϟͷఆٛ Լਤ w l࠷΋ಈతͰதԝूݖతͳϧʔςΟϯάΛ͍ͨ͠ ৔߹͸ɺ1SPDFTT.BOBHFSʹḷΓண͘ɻ࠷΋൚༻ ੑ͕ߴ͍ɻ&"*͔ΒϫʔΫϑϩʔ΍ϓϩηεϞσ Ϧϯά΁ͷΤϯτϦϙΠϯτɻz
w 5PEPͱ5PEP(SPVQΛ࡞੒͢ΔҰ࿈ͷखଓ͖ ӈਤ w 5PEP(SPVQΛ࡞੒͠ɺͦΕʹॴଐ͢Δ5PEPΛ࡞੒ ͢ΔҰ࿈ͷϓϩηεɻ

%PNBJO&WFOU DNESFRSFT 1FSTJTUFOU'4.Ͱ࣮૷͢ΔϓϩηεϚωʔδϟ wड৴ͨ͠Πϕϯτ͸ӬଓԽ͞ΕΔɻ w4UBUFঢ়ଶʹԠͨ͡%BUB΋εφοϓγϣοτͱͯ͠ӬଓԽͰ͖Δɻ 3FHJTUSBUJPO1SPDFTT.BOBHFS $MJFOU"DUPS $SFBUF3FRVFTU $SFBUF3FTQPOTF 5PEP$SFBUFE
5PEP/BNF6QEBUFE 5PEP%FTUSPZFE BLLBQFSTJTUFODF KPVSOBMT TOBQTIPUT KPVSOBM KPVSOBM KPVSOBM TOBQTIPU TOBQTIPU TOBQTIPU 5PEP(SPVQ"HHSFHBUF 5PEP"HHSFHBUF 4UBUF 4UBSUFE 5PEP(SPVQ$SFBUJOH 5PEP$SFBUJOH 4VDDFFEFEc'BJMFE %BUB 3FHJTUSBUJPO%BUB

class RegistrationProcessManager(id: UUID, todoGroupRef: ActorRef, todoRef: ActorRef) (implicit val domainEventClassTag:
ClassTag[RegistrationEvent])  extends PersistentFSM[State, RegistrationData, RegistrationEvent] {   override def persistenceId: String = RegistrationProcessManager.name(id)  override def applyEvent( domainEvent: RegistrationEvent, currentData: RegistrationData): RegistrationData = {  domainEvent match {  case TodoGroupCreatingStarted(cmd, sender) =>  currentData.copy(sender = Some(sender), todoReq = Some(cmd.todo), todoGroupReq = Some(cmd.todoGroup))  case TodoGroupCreatingFinished(res) =>  currentData.copy(todoGroupRes = Some(res))  case TodoCreatingFinished(res) =>  currentData.copy(todoRes = Some(res))  }  }  startWith(Started, RegistrationData.empty)  when(Started) {  case Event(req: CreateTodoWithTodoGroupRequest, _) =>  val _sender = sender()  goto(TodoGroupCreating) applying TodoGroupCreatingStarted(req, _sender) forMax 1.seconds andThen { _ =>  self ! req.todoGroup  }  }  ϓϩηεϚωʔδϟ υϝΠϯΠϕϯτϋϯυϥ ঢ়ଶͷॳظԽ $SFBUF5PEP8JUI5PEP(SPVPQ3FRVFTUΛड͚औΔͱ 5PEP(SPVQ$SFBUJOHʹભҠͨ͠ޙʹɺ 5PEP(SPVQ$SFBUJOH4UBSUFEͱ͍͏υϝΠϯΠϕϯτΛൃՐ͠ 5PEP(SPVQΛ࡞੒͢ΔίϚϯυΛൃՐ͢Δ

when(TodoGroupCreating) {  case Event(req: TodoGroupProtocol.Create, _) =>  stay forMax 3.seconds
andThen { _ => todoGroupRef ! req }  case Event(res: TodoGroupProtocol.CreateSuccess, _) =>  goto(TodoCreating) applying TodoGroupCreatingSucceeded(res) forMax 1.seconds andThen {  case RegistrationData(_, _, Some(req), _, _) =>  saveStateSnapshot(); self ! req  }  case Event(res: TodoGroupProtocol.CreateError, _) =>  goto(TodoCreating) applying TodoGroupCreatingFailed(res) forMax 1.seconds andThen {  case RegistrationData(Some(sender), _, _, _, _) =>  sender ! CreateTodoWithTodoGroupResponse(res, None)  }  } when(TodoCreating) {  case Event(req: TodoProtocol.Create, _) =>  stay forMax 3.seconds andThen { _ => todoRef ! req }  case Event(res: TodoProtocol.CreateSuccess, _) =>  goto(Succeeded) applying TodoCreatingSucceeded(res)   forMax 1.seconds andThen { _ => self ! Done }  case Event(res: TodoProtocol.CreateError, _) =>  goto(Failed) applying TodoCreatingFailed(res)  forMax 1.seconds  }  when(Succeeded) {  case Event(Done, RegistrationData( Some(sender), _, _, Some(todoGroupRes), todoRes)) =>  sender ! CreateTodoWithTodoGroupResponse( todoGroupRes, todoRes)  stop()  } when(Failed) {  case Event(Done, RegistrationData( Some(sender), _, _, Some(todoGroupRes), todoRes)) =>  sender ! CreateTodoWithTodoGroupResponse(todoGroupRes, todoRes)  stop()  }  } 5PEP(SPVQ"DUPSʹίϚϯυΛൃՐ Ϩεϙϯε͕੒ޭͨ͠৔߹͸5PEPΛ࡞੒͢Δঢ়ଶ ʹભҠ͢Δɻ Τϥʔͷ৔߹͸TFOEFSʹΤϥʔΛ௨஌͢Δ தؒঢ়ଶΛӬଓԽ͢Δ 5PEP"DUPSʹίϚϯυΛൃՐ Ϩεϙϯε͕੒ޭͨ͠৔߹͸'JOJTIFEʹભҠ͢ Δɻ Τϥʔͷ৔߹͸TFOEFSʹΤϥʔΛ௨஌͢Δɻ ͢΂ͯ੒ޭͨ͠ΒTFOEFSʹϨεϙϯεΛฦ͢ɻ

BLLBIUUQ

object Main  extends Appɹwith TodoWriteService with TodoReadService with TodoGroupWriteService  with
TodoGroupReadService {    private implicit val system = ActorSystem("akka-ddd-sample")  override protected implicit val materializer = ActorMaterializer()  private implicit val executionContext = system.dispatcher    private val profileProvider = ProfileProvider("datasource")  private val todoDao = new TodoDao(profileProvider)  private val todoGroupDao = new TodoGroupDao(profileProvider)  override protected val todoDas = new TodoDas(todoDao)  override protected val todoGroupDas: TodoGroupDas = new TodoGroupDas(todoGroupDao)    override protected val todoAggregateRef: ActorRef =  system.actorOf(TodoSupervisor.props(TodoAggregate.props))  override protected val todoGroupAggregateRef: ActorRef =  system.actorOf(TodoGroupSupervisor.props(TodoGroupAggregate.props))    private val route: Route = todoWriteRoute ~ todoReadRoute ~ todoGroupWriteRoute ~ todoGRoupReadRoute  private val bindingFuture = Http().bindAndHandle(route, "localhost", 8080)    sys.addShutdownHook {  bindingFuture  .map(_.unbind)  .onComplete(_ => system.terminate())  }    } BLLBIUUQCJOE"OE)BOEMF αʔόͷىಈ

trait TodoWriteService extends Directives {  private implicit val timeout =
Timeout(10 seconds)  protected val todoAggregateRef: ActorRef  val todoWriteRoute: Route = createTodo ~ updateTodo ~ deleteTodo    private val createTodo: Route = {  path("todos") {  post {  entity(as[CreateTodoRequestJson]) { requestBody =>  val commandId = UUID.randomUUID()  val todoId = TodoId(UUID.randomUUID())  val todoGroupId = TodoGroupId(UUID.randomUUID())  val future = (todoAggregateRef ? Create(commandId, todoId, todoGroupId, requestBody.text))  .mapTo[CreateSuccess]  onSuccess(future) { res =>  complete(CreateTodoResponseJson(res.id, res.aggregateId.value))  }  }  }  }  } // …  } BLLBIUUQ3PVUF

trait TodoReadService extends Directives {  protected implicit val materializer: Materializer 
protected val todoDas: TodoDas  protected val todoReadRoute: Route = getTodoById ~ getTodos    private val getTodoById: Route = {  pathPrefix("todos" / JavaUUID) { id =>  get {  val future = todoDas.findById(TodoId(id)).runWith(Sink.head)  onSuccess(future) { res =>  complete(GetTodoResponseJson(res.id.value, res.text, res.createAt, res.updateAt))  }  }  }  }    private val getTodos: Route = {  path("todos") {  get {  val future = todoDas.findAll  .map { e => GetTodoResponseJson(e.id.value, e.text, e.createAt, e.updateAt) }  .runWith (Sink.seq)  onSuccess(future) { res =>  complete(GetTodosResponseJson(res))  }  }  }  }    }

·ͱΊ w ϒϩοΩϯάϕʔεͷίʔυΑΓෳࡶԽ͍ͯ͠Δ͕ɺ ੜͰεϨου΍ϊϯϒϩοΩϯά"1*΍Πϕϯτϧʔ ϓΛࣗલͰ࣮૷͢ΔΑΓந৅Խ͞Εͨίʔυͱͳͬͯ ͍Δɻߴ͍ඇػೳཁ͕݅໰ΘΕΔ৔߹͸ҰߟͷՁ஋͕ ͋ΔͷͰ͸ͳ͍͔ɻ w ϦΞΫςΟϒγεςϜ͸·ͩᴈ໌ظͳͷͰɺϑϨʔϜ
ϫʔΫ΍ಋೖࣄྫ͕ॆ࣮͍ͯ͠ͳ͍ 4QSJOH3FBDUPS ʹ͸4VQFSWJTJPO͕ͳ͍ɻ"LLBʹ͸ҰԠ+BWB"1*͕͋ Δ ɻ·͡Ίʹ΍ΔͳΒ4DBMB"LLB͔&SMBOH051͙ Β͍͔͠૝૾Ͱ͖ͳ͍ɻࠓͷ͏ͪʹ४උΛͯ͠มԽʹ ରԠͰ͖Δํ͕Α͍ͷͰ͸ͳ͍͔ɻ

·ͱΊ w ঺հ͍͚ͨ͠ͲͰ͖ͳ͔ͬͨτϐοΫ w BLLBTUSFBN w BLLBDMVTUFS BLLBDMVTUFSTIBSEJOH w
%JTUSJCVUFE1VC4VC w #BDLP⒎4VQFSWJTPS $JSDVJU#SFBLFS w ˞ڵຯ͕͋Ε͹ௐ΂ͯΈ͍ͯͩ͘͞ w ڵຯ͕͋Δਓ͸ҎԼͷຊΛಡΈ·͠ΐ͏ɻ

リアクティブDDD

リアクティブDDD

More Decks by かとじゅん

Other Decks in Technology

Featured

Transcript