日本語: Skinny Controllers, Skinny Models #m3dev

4LJOOZ$POUSPMMFST 4LJOOZ.PEFMT .5FDI5BMLNEFW ,B[VIJSP4FSB!TFSBUDI

3VCZ,BJHJ •  -5͠·ͨ͠ʢSTQFDLJDLTUBSUFSʣ •  ੮ʹ໭ͬͨΒ(FNpMFʹ௥Ճʂ •  ࠓ೔͸l3FGBDUPSJOH'BU.PEFMTXJUI 1BUUFSOTzͱ͍͏ߨԋͷ಺༰ͱͦͷ࣮ફʹ ͍ͭͯ঺հ͠·͢ • 
ڵຯΛ࣋ͬͨํ͸ɺಈը͕ެ։͞Ε͍ͯΔ ͷͰޙͰ؍ͯΈ͍ͯͩ͘͞ IUUQTWJNFPDPN

!CSZOBSZ •  #SZBO)FMNLBNQ •  $PEF$MJNBUF૑ۀऀ •  ސ٬ͷ3VCZίʔυΛղੳͯ͠඼࣭ɾη ΩϡϦςΟվળΛࢧԉ͢ΔαʔϏε •  044ͳΒແྉɺҎԼ͸(JTUVCͷྫ
•  IUUQTDPEFDMJNBUFDPNHJUIVC TFSBUDIHJTUVC

$PEF$MJNBUF3BUJOH

$PEF$MJNBUF$PEF4NFMM

$PEF$MJNBUF$MBTTFT

ϒϩάΤϯτϦ •  1BUUFSOTUP3FGBDUPS'BU"DUJWF3FDPSE .PEFMT •  IUUQCMPHDPEFDMJNBUFDPNCMPH XBZTUPEFDPNQPTFGBU BDUJWFSFDPSENPEFMT •  ͞Βʹվળ͞ΕͨίʔυྫΛ(JU)VCͰެ։
͍ͯ͠Δʢ3VCZ,BJHJͰͷൃදͰ࢖༻ʣ •  IUUQTHJUIVCDPNDPEFDMJNBUF SFGBDUPSJOHGBUNPEFMT

3BJMT"DUJWF3FDPSE •  1SPγϯϓϧ͞ •  $PO%#ͷςʔϒϧͱΛڧ͍ΒΕΔ

3BJMTΞϓϦͰͷࣦഊྫ •  ద੾ʹσβΠϯ͞ΕͨΦϒδΣΫτࢦ޲ͷ ίʔυ͸ϥϏΦϦʹྫ͑ΒΕΔ •  ࣌ંɺΧϧκʔωΈ͍ͨʹҰΧॴʹ٧Ίࠐ Μͩ3BJMTίʔυΛݟ͔͚Δɾɾ

4LJOOZ.PEFMT •  'BU.PEFMTͱΑ͘ݴΘΕΔ͕.PEFM΋ 4LJOOZͰ͋Δ΂͖ͳΜͰ͸ʁ

'BU.PEFMTͱͷઓ͍ •  $POUSPMMFS͕ංେԽ͢ΔΑΓ͸Ϛγʁ •  طଘͷ"3 "DUJWF3FDPSE NPEFMʹ੹ ຿Λ͍࣋ͨͤͯ͘ͱͲΜͲΜංେԽ •  ࠷ѱͷέʔε͸ਆΦϒδΣΫτ͕஀ੜ
•  !CSZOBSZ͸ɺఆ൪ͷ࣮૷ύλʔϯΛ͏· ͘3BJMTͷNPEFMͷϦϑΝΫλϦϯάʹ ద༻͢Δํ๏ΛఏҊ͍ͯ͠Δ

Ξϯνύλʔϯ •  ͨͩ͠ɺ҆қʹNJYJOͱͯ͠NPEVMFʹ ੾Γग़͢ͷ͸Ξϯνύλʔϯ •  NJYJO͸ܗΛม͑ͨܧঝ •  ͕Βͨ͘ΛಥͬࠐΉҾ͖ग़͠ʢίʔυΛ NPEVMFʹҠͯ͠JODMVEF͢Δ͚ͩʣ • 
ͨ͘͞ΜNJYJO͞ΕͨDMBTTͩͱͲΜͳ ΦϒδΣΫτ͔೺Ѳ͢Δͷ͕େมʹͳΔ

ͭͷ࣮૷ύλʔϯ •  7BMVF0CKFDUT •  4FSWJDF0CKFDUT •  'PSN0CKFDUT •  2VFSZ0CKFDUT • 
7JFX0CKFDUT •  1PMJDZ0CKFDUT •  %FDPSBUPST

7BMVF0CKFDUT •  ͓ͳ͡Έ7BMVF0CKFDU •  JNNVUBCMFͳ஋Λอ࣋͢ΔΫϥε •  อ࣋͢Δ஋ʹΑͬͯൺֱՄೳ •  ԿΒ͔ͷϩδοΫΛ࣋ͭBUUSJCVUFʢ·ͨ ͸ͦͷখ͞ͳू߹ʣ͕ద͍ͯ͠Δ
•  ۩ମྫɿ1IPOF/VNCFSɺ.POFZɺ 3BUJOHͳͲ

4FSWJDF0CKFDUT •  ෳ਺ͷNPEFMΛར༻͢Δ৔߹ •  ֎෦ͷαʔϏεɺ"1*ͱ࿈ܞ͢Δ৔߹ •  ෳࡶͳϩδοΫΛ࣮૷͢Δ৔߹ •  طଘͷNPEFMͷओͨΔ੹຿Ͱͳ͍৔߹ • 
4USBUFHZύλʔϯΛద༻͍ͨ͠৔߹ •  ී௨"DUJWF.PEFMͰ͸ͳ͍

'PSN0CKFDUT •  ҰͭͷϑΥʔϜͰෳ਺ͷ"3NPEFMΛߋ ৽͍ͨ͠৔߹ʹ༗ޮ •  "DUJWF.PEFMʹ͢Δ •  'PSNͷTBWFͷ಺෦Ͱෳ਺ͷ"3NPEFM ͷTBWFΛݺͼग़͢ • 
ඪ४ͷBDDFQUT@OFTUFE@BUUSJCVUFT@GPS ͸!CSZOBSZతʹ͸ඇਪ঑ •  ෳࡶʹͳͬͨΒӬଓԽॲཧΛ4FSWJDFʹ

2VFSZ0CKFDUT •  όον༻PSෳࡶͳ৚݅ͷ42-Λ"3ͷ TDPQF΍Ϋϥεϝιουʹͤͣ2VFSZ 0CKFDUͱͯ͠෼཭ •  ॳظԽ࣌ʹ"33FMBUJPOΦϒδΣΫτΛ ౉͢Α͏ʹ͢Δͱ߹੒ՄೳʹͳΔ •  5SJBM2VFSZOFX
"DDPVOUXIFSF ʜ pO E@FBDIEPcFcʜFOE

7JFX0CKFDUT •  7JFXͷͨΊͷϩδοΫΛ"3NPEFMʹ ॻ͔ͳ͍ʢΤϥʔϝοηʔδੜ੒ͳͲʣ •  "3NPEFMΛอ࣋͢ΔΫϥεΛఆٛ͠ SFOEFSʹ͸ͪ͜ΒΛ౉͢Α͏ʹ͢Δ •  IFMQFSʹ"3NPEFMΛ౉࣮͢૷ΑΓ΋ɺ ϦϑΝΫλϦϯά͕ଅਐ͞ΕΔ
•  ଟ༷ͳ6*ʹରԠ͢Δ৔߹ʹ΋༗ޮ

1PMJDZ0CKFDUT •  "3NPEFMΛࢀর͸͢Δ͕ओͨΔυϝΠ ϯͰ͸ͳ͍ϩδοΫʢ෼ੳͷͨΊͷ൑ఆ ͳͲʣΛ෼཭͢Δ •  ྫɿϝʔϧ഑৴ର৅ʁΞΫςΟϒϢʔβʁ •  "3NPEFMΛอ࣋͢ΔΫϥεͱͯ͠ఆٛ • 
ଞͱͷҧ͍ɿ1PMJDZ͸SFBEͳॲཧ͚ͩ 4FSWJDF͸XSJUF΋ؚΉɺ2VFSZ͸42- ࣮ߦͱSFTVMUTFUΛZJFMEʹ౉͚ͩ͢

%FDPSBUPST •  %FDPSBUPSύλʔϯΛద༻ͯ͠DBMMCBDL ஍ࠈΛճආ͢Δ •  ྫɿTBWFϝιουΛ਺चͭͳ͗ʹ͢Δ ʢ"3ͷ0SEFSTBWFͰPSEFSTςʔϒϧ ʹJOTFSU%)8ʹ௨஌ड෇׬ྃ ϝʔϧΛૹ৴ʣ

࣮ફͯ͠Έͨ •  ࣮ࡍʹύλʔϯΛ࢖ͬͯ(JTUVCͷϦϑΝ ΫλϦϯάΛͯ͠Έͨ

ύλʔϯΛ࣮ફ͢Δલ

ύλʔϯΛ࣮ફͨ͠ޙ

΍ͬͨ͜ͱ •  ࢖ͬͨύλʔϯ͸4FSWJDF0CKFDUT͚ͩ •  ୯ʹ$POUSPMMFS͔Β4FSWJDFʹ੾Γग़͠ ͚ͨͩͩͱɺࠓ౓͸ͦͷ৽͍͠4FSWJDF ͷείΞ͕ѱ͔ͬͨʢ౰ͨΓલʣ •  ෳࡶ౓ͷߴ͗͢ΔϝιουΛ໊લΛ෇͚ ΒΕΔ୯Ґʹ෼ׂ
•  ίʔυͷॏෳΛڞ௨Խ

վળͷաఔ

ࠓ೔͔Βग़དྷΔ͜ͱ •  ໡໨తʹ"3ͷΫϥεϝιουʹ͠ͳ͍ •  "3Ͱͳ͍Ϟσϧ΋ͲΜͲΜͭ͘Δ •  $POUSPMMFSʹ"3NPEFMݺͼग़͠Λζϥ ζϥॻ͘ΑΓ4FSWJDFʹ͢Δ •  ෳࡶͳϑΥʔϜ͸'PSNΛಋೖ͢Δ
•  "3ʹදࣔ༻ϩδοΫΛ࣋ͨͣ7JFX 0CKFDUͰϥοϓͯ͠දࣔॲཧʹ౉͢

·ͱΊ •  طʹ࣮ફ͞Ε͍ͯΔ΋ͷ΋ଟ͍͕ɺύλʔ ϯʹ໊લ͕͍ͭͯݴޠԽ͞ΕΔ͜ͱ͸େࣄ •  ࠷ॳ͸γϯϓϧͰΑ͍ʢύλʔϯͷ΍Γ͢ ͗͸PWFSFOHJOFFSJOHʣ •  ΞϓϦ͕ҭ͍ͬͯ͘தͰن໛ʹԠͨ͡Ϧ ϑΝΫλϦϯά͸ඞཁʹͳ͍ͬͯ͘
•  ͨͩ͠ɺे෼ͳίʔυΧόϨοδ͸ඞਢ

ΞϓϦن໛ͱΞʔΩςΫνϟ

2" .5FDI5BMLNEFW ,B[VIJSP4FSB!TFSBUDI "OZ2VFTUJPO

日本語: Skinny Controllers, Skinny Models #m3dev

日本語: Skinny Controllers, Skinny Models #m3dev

Kazuhiro Sera

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4LJOOZ$POUSPMMFST 4LJOOZ.PEFMT .5FDI5BMLNEFW ,B[VIJSP4FSB!TFSBUDI

3VCZ,BJHJ •  -5͠·ͨ͠ʢSTQFDLJDLTUBSUFSʣ •  ੮ʹ໭ͬͨΒ(FNpMFʹ௥Ճʂ •  ࠓ೔͸l3FGBDUPSJOH'BU.PEFMTXJUI 1BUUFSOTzͱ͍͏ߨԋͷ಺༰ͱͦͷ࣮ફʹ ͍ͭͯ঺հ͠·͢ •

!CSZOBSZ •  #SZBO)FMNLBNQ •  $PEF$MJNBUF૑ۀऀ •  ސ٬ͷ3VCZίʔυΛղੳͯ͠඼࣭ɾη ΩϡϦςΟվળΛࢧԉ͢ΔαʔϏε •  044ͳΒແྉɺҎԼ͸(JTUVCͷྫ

$PEF$MJNBUF3BUJOH

$PEF$MJNBUF$PEF4NFMM

$PEF$MJNBUF$MBTTFT

ϒϩάΤϯτϦ •  1BUUFSOTUP3FGBDUPS'BU"DUJWF3FDPSE .PEFMT •  IUUQCMPHDPEFDMJNBUFDPNCMPH XBZTUPEFDPNQPTFGBU BDUJWFSFDPSENPEFMT •  ͞Βʹվળ͞ΕͨίʔυྫΛ(JU)VCͰެ։

3BJMT"DUJWF3FDPSE •  1SPγϯϓϧ͞ •  $PO%#ͷςʔϒϧͱΛڧ͍ΒΕΔ

3BJMTΞϓϦͰͷࣦഊྫ •  ద੾ʹσβΠϯ͞ΕͨΦϒδΣΫτࢦ޲ͷ ίʔυ͸ϥϏΦϦʹྫ͑ΒΕΔ •  ࣌ંɺΧϧκʔωΈ͍ͨʹҰΧॴʹ٧Ίࠐ Μͩ3BJMTίʔυΛݟ͔͚Δɾɾ

4LJOOZ.PEFMT •  'BU.PEFMTͱΑ͘ݴΘΕΔ͕.PEFM΋ 4LJOOZͰ͋Δ΂͖ͳΜͰ͸ʁ

'BU.PEFMTͱͷઓ͍ •  $POUSPMMFS͕ංେԽ͢ΔΑΓ͸Ϛγʁ •  طଘͷ"3 "DUJWF3FDPSE NPEFMʹ੹ ຿Λ͍࣋ͨͤͯ͘ͱͲΜͲΜංେԽ •  ࠷ѱͷέʔε͸ਆΦϒδΣΫτ͕஀ੜ

Ξϯνύλʔϯ •  ͨͩ͠ɺ҆қʹNJYJOͱͯ͠NPEVMFʹ ੾Γग़͢ͷ͸Ξϯνύλʔϯ •  NJYJO͸ܗΛม͑ͨܧঝ •  ͕Βͨ͘ΛಥͬࠐΉҾ͖ग़͠ʢίʔυΛ NPEVMFʹҠͯ͠JODMVEF͢Δ͚ͩʣ •

ͭͷ࣮૷ύλʔϯ •  7BMVF0CKFDUT •  4FSWJDF0CKFDUT •  'PSN0CKFDUT •  2VFSZ0CKFDUT •

7BMVF0CKFDUT •  ͓ͳ͡Έ7BMVF0CKFDU •  JNNVUBCMFͳ஋Λอ࣋͢ΔΫϥε •  อ࣋͢Δ஋ʹΑͬͯൺֱՄೳ •  ԿΒ͔ͷϩδοΫΛ࣋ͭBUUSJCVUFʢ·ͨ ͸ͦͷখ͞ͳू߹ʣ͕ద͍ͯ͠Δ

4FSWJDF0CKFDUT •  ෳ਺ͷNPEFMΛར༻͢Δ৔߹ •  ֎෦ͷαʔϏεɺ"1*ͱ࿈ܞ͢Δ৔߹ •  ෳࡶͳϩδοΫΛ࣮૷͢Δ৔߹ •  طଘͷNPEFMͷओͨΔ੹຿Ͱͳ͍৔߹ •

'PSN0CKFDUT •  ҰͭͷϑΥʔϜͰෳ਺ͷ"3NPEFMΛߋ ৽͍ͨ͠৔߹ʹ༗ޮ •  "DUJWF.PEFMʹ͢Δ •  'PSNͷTBWFͷ಺෦Ͱෳ਺ͷ"3NPEFM ͷTBWFΛݺͼग़͢ •

2VFSZ0CKFDUT •  όον༻PSෳࡶͳ৚݅ͷ42-Λ"3ͷ TDPQF΍Ϋϥεϝιουʹͤͣ2VFSZ 0CKFDUͱͯ͠෼཭ •  ॳظԽ࣌ʹ"33FMBUJPOΦϒδΣΫτΛ ౉͢Α͏ʹ͢Δͱ߹੒ՄೳʹͳΔ •  5SJBM2VFSZOFX

7JFX0CKFDUT •  7JFXͷͨΊͷϩδοΫΛ"3NPEFMʹ ॻ͔ͳ͍ʢΤϥʔϝοηʔδੜ੒ͳͲʣ •  "3NPEFMΛอ࣋͢ΔΫϥεΛఆٛ͠ SFOEFSʹ͸ͪ͜ΒΛ౉͢Α͏ʹ͢Δ •  IFMQFSʹ"3NPEFMΛ౉࣮͢૷ΑΓ΋ɺ ϦϑΝΫλϦϯά͕ଅਐ͞ΕΔ

1PMJDZ0CKFDUT •  "3NPEFMΛࢀর͸͢Δ͕ओͨΔυϝΠ ϯͰ͸ͳ͍ϩδοΫʢ෼ੳͷͨΊͷ൑ఆ ͳͲʣΛ෼཭͢Δ •  ྫɿϝʔϧ഑৴ର৅ʁΞΫςΟϒϢʔβʁ •  "3NPEFMΛอ࣋͢ΔΫϥεͱͯ͠ఆٛ •

%FDPSBUPST •  %FDPSBUPSύλʔϯΛద༻ͯ͠DBMMCBDL ஍ࠈΛճආ͢Δ •  ྫɿTBWFϝιουΛ਺चͭͳ͗ʹ͢Δ ʢ"3ͷ0SEFSTBWFͰPSEFSTςʔϒϧ ʹJOTFSU%)8ʹ௨஌ड෇׬ྃ ϝʔϧΛૹ৴ʣ

࣮ફͯ͠Έͨ •  ࣮ࡍʹύλʔϯΛ࢖ͬͯ(JTUVCͷϦϑΝ ΫλϦϯάΛͯ͠Έͨ

ύλʔϯΛ࣮ફ͢Δલ

ύλʔϯΛ࣮ફͨ͠ޙ

΍ͬͨ͜ͱ •  ࢖ͬͨύλʔϯ͸4FSWJDF0CKFDUT͚ͩ •  ୯ʹ$POUSPMMFS͔Β4FSWJDFʹ੾Γग़͠ ͚ͨͩͩͱɺࠓ౓͸ͦͷ৽͍͠4FSWJDF ͷείΞ͕ѱ͔ͬͨʢ౰ͨΓલʣ •  ෳࡶ౓ͷߴ͗͢ΔϝιουΛ໊લΛ෇͚ ΒΕΔ୯Ґʹ෼ׂ

վળͷաఔ

ࠓ೔͔Βग़དྷΔ͜ͱ •  ໡໨తʹ"3ͷΫϥεϝιουʹ͠ͳ͍ •  "3Ͱͳ͍Ϟσϧ΋ͲΜͲΜͭ͘Δ •  $POUSPMMFSʹ"3NPEFMݺͼग़͠Λζϥ ζϥॻ͘ΑΓ4FSWJDFʹ͢Δ •  ෳࡶͳϑΥʔϜ͸'PSNΛಋೖ͢Δ

·ͱΊ •  طʹ࣮ફ͞Ε͍ͯΔ΋ͷ΋ଟ͍͕ɺύλʔ ϯʹ໊લ͕͍ͭͯݴޠԽ͞ΕΔ͜ͱ͸େࣄ •  ࠷ॳ͸γϯϓϧͰΑ͍ʢύλʔϯͷ΍Γ͢ ͗͸PWFSFOHJOFFSJOHʣ •  ΞϓϦ͕ҭ͍ͬͯ͘தͰن໛ʹԠͨ͡Ϧ ϑΝΫλϦϯά͸ඞཁʹͳ͍ͬͯ͘

ΞϓϦن໛ͱΞʔΩςΫνϟ

2" .5FDI5BMLNEFW ,B[VIJSP4FSB!TFSBUDI "OZ2VFTUJPO