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Team Refactoring -強いチームをつくる技術- #dotsconf
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TAKAKING22
February 27, 2016
Technology
16
2.9k
Team Refactoring -強いチームをつくる技術- #dotsconf
2016年2月27日(土)Dots Conference Spring 2016にて。
「Team Refactoring -強いチームをつくる技術-」。
TAKAKING22
February 27, 2016
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Transcript
5FBN3FGBDUPSJOH ڧ͍νʔϜΛͭ͘Δٕज़ ٴ෦ܟ༤ !5",",*/( 1IPUPCZ/BUVSBM)FBSU IUUQTHPPHMWK;-
!5",",*/( ٴ෦ܟ༤ !5",",*/( ✓ָఱגࣜձࣾ ✓ՎͬͯགྷΕΔΤϯδχΞ ✓ੜͷΞδϟΠϥʔ ✓अಓεΫϥϜϚελʔ ✓νΣϯδΤʔδΣϯτ ✓ΞΠυϧϚελʔ ✓ϨΠϯϝʔΧʔ
!5",",*/( ετϨονλΠϜ 1IPUPCZ4*-)06&55&%&4*(/ IUUQLBHFEFTJHODPN
!5",",*/( ·ΘΓΛݟ͍ͯͩ͘͞ ✓͙͢ʹཱͬͯΔਓ ✓·ΘΓΛݟͯ͡ΊΔਓ ✓ઈରʹΖ͏ͱ͠ͳ͍ਓ ✓ϊϦϊϦͳਓ ✓ΠϠΠϠͳਓ
!5",",*/( 1IPUPCZ.FMBOJF IUUQTHPPHM#R("/X ͍ΖΜͳਓ͕͍Δத νʔϜͰͷͮ͘Γ͢Δͷେม
!5",",*/( ։ൃݱͰΑ͘ݟΔ ✓ϨΨγʔγεςϜ ✓ϝϯόʔͷεΩϧ͕͍ ✓ਓࡐ͕ෆ͍ͯ͠Δ ✓ׂΓࠐΈλεΫ͕ଟ͍ ✓͍ͭԌ্͍ͯ͠Δ
!5",",*/( 1IPUPCZϑϦʔࣸਅૉࡐͺͨͦ͘ IUUQTXXXQBLVUBTPDPN ࣮ຆͲ͕ٕज़తͳͰͳ͘ νʔϜɾίϛϡχέʔγϣϯͷ
!5",",*/( ࣮ࡍͷͱ͜ΖɺιϑτΣΞ։ൃ্ͷͷ ଟ͘ɺٕज़తͱ͍͏ΑΓࣾձֶతͳͷͰ͋Δ CZτϜɾσϚϧίςΟϞγʔɾϦελʔʢϐʔϓϧΣΞʣ
!5",",*/( ։ൃͷΈ·͍ͬͯΔ͕ɺ ݱͷ͋·ΓมΘͬͯͳ͍
!5",",*/( 1IPUPCZMPBCBDPO IUUQTHPPHMKQ697: l;ͭ͏zʹ͍ͬͯΔ͚ͩͰ ͏·͍͔͘ͳ͍ͷ͔͠Εͳ͍
!5",",*/( 1IPUPCZ$ISJT1PUUFS IUUQTHPPHM7/L['( ࠩͳΜͩΖ͏͔ʁ
!5",",*/( ✓μϝͳϓϩμΫτΛΑ͍ͭ͘ΓํͰ ͭ͘Δͱμϝͳͷ͕ੜ·ΕΔ ✓Α͍ϓϩμΫτΛμϝͳͭ͘ΓํͰ ͭ͘Δͱμϝͳͷ͕ੜ·ΕΔ Α͍ϓϩμΫτΛΑ͍ͭ͘ΓํͰ ͭ͘Δඞཁ͕͋Δ
!5",",*/( 1IPUPCZ(JVTFQQF.JMP IUUQTHPPHM/2797 ϓϩμΫτܧଓ͢Δ
!5",",*/( Ϗδωε ։ൃ νʔϜ ϓϩμΫτ։ൃͷߏཁૉ
!5",",*/( νʔϜ ։ൃ Ϗδωε νʔϜ͕Ϗδωεͱ։ൃͷج൫
νʔϜ !5",",*/( νʔϜ͕༳Β่͛Εͯ͠·͏ ։ൃ Ϗδωε
!5",",*/( Α͍ϓϩμΫτΛ Α͍ͭ͘ΓํͰ ͭ͘Γଓ͚Δ ڧ͍νʔϜ͕ඞཁ 1IPUPCZ/BUVSBM)FBSU IUUQTHPPHMWK;-
!5",",*/( 4MJEFCZ3ZV[FF͞Μ IUUQHPPHM-NDRK1
!5",",*/( ΤϯδχΞͷ͕ࣗɺ ࣮ࡍͷݱͰԿখ͞ͳࣦഊ Λ܁Γฦ͠ͳ͕Βڧ͍νʔϜΛ ͭ͘ΔͨΊʹ͖ͬͯͨ͜ͱɺ ͦͷதͰಘͨνʔϜͮ͘Γͷ ίπͱඞཁͳϚΠϯυηοτ ࠓ͢͜ͱ
!5",",*/( ڧ͍νʔϜͱ
!5",",*/( νʔϜɺڞ௨ͷతɺୡ͖͢ ඪɺͦͷͨΊͷΓํΛڞ༗͠ɺ ࿈ଳΛՌͨͤΔิతͳεΩϧ Λඋ͑ͨগਓͷू߹ମ CZ8JLJQFEJB
!5",",*/( 1IPUPCZ'MBWJPd IUUQTHPPHM(;'J νʔϜʺӊ߹ͷऺ
!5",",*/( 1IPUPCZ(SPVOEIPQQJOH.FSTFCVSH IUUQTHPPHMZI[3Y ڞ௨ͷతɺίϥϘϨʔγϣϯ
!5",",*/( ڧ͞ͷఆٛνʔϜʹΑͬͯҧ͏ 1IPUPCZϑϦʔࣸਅૉࡐͺͨͦ͘ IUUQTXXXQBLVUBTPDPN
!5",",*/( ڞ௨͍ͯ͠Δ͜ͱ ✓ ʜ OҎ্Ͱ͋Δ ✓มԽʹڧ͍ ✓νʔϜͷจԽ͕ଘࡏ͢Δ ✓վળαΠΫϧ͕·Θ͍ͬͯΔ ✓νʔϜ͕ܧଓతͰ͋Δ
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!5",",*/( νʔϜϦϑΝΫλϦϯάͷਐΊํ
1IPUPCZ/BUVSBM)FBSU IUUQTHPPHMWK;- !5",",*/( ڧ͍νʔϜҙࣝతʹͭ͘Δ
!5",",*/( 2୭͕ʁ "νʔϜ͕
1IPUPCZ&MJ$ISJTUNBO IUUQTHPPHM[P28 !5",",*/( ୭͔͕͍ͬͯΔܧଓ͠ͳ͍ ࣗసंΛԡ͘͢Β͍ͷΠϝʔδ
!5",",*/( ࣗୡͰࣗୡΛڧ͘͢Δ ͦͯͦ͠ΕΛࣗୡͰଓ͚Δ
!5",",*/( 5FBN3FGBDUPSJOH 1IPUPCZ3BJOJFS.BSUJO"NQPOHBO IUUQTHPPHMXW;37
!5",",*/( ࠓ νʔϜͷࠓΛΔ
!5",",*/( ࠓ ڧ ڞ௨ͷతΛͭ͘Δ
!5",",*/( ࠓ ڧ ࣍ ϒϨΠΫμϯͨ͠ඪΛઃఆ
!5",",*/( ࠓ ڧ ࣍ ࣮ࢪ˰ৼΓฦΓ˰࣍ͷඪΛઃఆ
!5",",*/( ࠓ ڧ ͦΕΛͻͨ͢Β܁Γฦ͢
!5",",*/( 5FBN3FGBDUPSJOH νʔϜͷࠓΛΔ ڞ௨ͷతΛͭ͘Δ తΛϒϨΠΫμϯͯ͠ඪΛઃఆ ݁ՌΛͰ͖Δ͚ͩ7JTVBMͰ;Γ͔͑Δ ͦΕΛͻͨ͢Β܁Γฦ͢
!5",",*/( 4MJEFCZ3ZV[FF͞Μ IUUQHPPHM-NDRK1 ࠞཚ͍ͯ͠ΔνʔϜ ͜ͷ͋ͨΓΛ͏Ζ͏Ζ ͍ͯ͠Δ͜ͱ͕ଟ͍
!5",",*/( CZ7MBEJNFS4IJPTIWJMJ IUUQTHPPHM$NO&.# ࠞཚ͍ͯ͠Δͱ͜ΖͰ ઓͯ͠͞ΒͳΔࠞཚΛੜΉ
!5",",*/( 5FBN3FGBDUPSJOH νʔϜͷࠓΛΔ ࠔ͍ͬͯΔ͔Βղܾ͢Δ ৼΓฦΓͷΛͭͬͯ͘ޭΛتͿ ͠Β͘ଓ͚ͯश׳Խ͢Δ ڞ௨ͷతΛͭ͘Δ తΛϒϨΠΫμϯͯ͠ඪΛઃఆ ݁ՌΛͰ͖Δ͚ͩ7JTVBMͰ;Γ͔͑Δ ͦΕΛͻͨ͢Β܁Γฦ͢
!5",",*/( ࣮ࡍͷݱͰ͍ͬͯΔ 5FBN3FGBDUPSJOHΛ Ұ෦͝հ
!5",",*/( $BTF POΧϑΣτʔΫ ✓νʔϜʹೖͬͨΒ࣮ࢪ͢Δ ✓֤νʔϜϝϯόʔͱPOͰ͢ ✓ίʔώʔΛҿΈͳ͕Βؾܰʹ͢ ✓ͳΔ͘૬खʹͯ͠Β͏ ✓૬खͷߟ͍͑ͯΔ͜ͱΛௌ͘ ✓ʮ͜͏ͳͬͨΒ͍͍ͷʹͳʯ ✓ͦͷޙఆظతʹ࣮ࢪ͢Δ
!5",",*/( $BTF CZ.BUUIFX)VSTU IUUQTHPPHMD36Z9 େ͖ͳʹօؾ͍͍ͮͯΔ ݸਓݸਓͷຊԻΛ͢ Ωʔύʔιϯ͕Θ͔Δ
!5",",*/( $BTF ;Γ͔͑Γʢॳظʣ ✓νʔϜʹೖͬͨΒػձΛ͏ ✓࠷ॳΞΠεϒϨΠΫʹྗΛೖΕΔ ✓֤ݸਓ͕͢ػձΛͭ͘Δ ✓શһͰߟ͑ͯબ͢Δ ✓খ͞ͳޭΛେ͖͘تͿ ✓࠷ޙʹଓ͚Δ͔Ͳ͏͔Λ͏ ✓ఆظతʹ࣮ࢪ͢Δ
!5",",*/( $BTF গͣͭ͠Φʔφʔγοϓ͕ੜ·ΕΔ ҰఆͷϦζϜ͕ੜ·ΕΔ
!5",",*/( $BTF νʔϜΠϯηϓγϣϯσοΩ ✓ࣗୡͰνʔϜͷڞ௨ͷతΛ࡞Δ ✓Ͱ͖Δ͚ͩݟ͑ΔՌΛઃఆʹ͢Δ ✓ఆظతʹ;Γ͔͑ͬͯߋ৽͢Δ ✓Ϛωʔδϟʔͱ͢Γ߹ΘͤΔ ✓͕࣌ؒऔΓʹ͚͘ΕɺݸผʹώΞ Ϧϯάͯ͠Ұ෦·ͱΊ͓ͯ͘ ✓ͨͩ͠࠷ޙνʔϜશһͰ߹ҙ͢Δ
!5",",*/( $BTF
!5",",*/( $BTF ✓νʔϜͷϛογϣϯ ✓νʔϜͷςʔϚ ✓νʔϜ๊͕͍͑ͯΔ ✓νʔϜϨʔμʔνϟʔτ ✓νʔϜϩʔυϚοϓ ✓ݸਓͷνʔϜͷߩݙ
!5",",*/( $BTF νʔϜͷڞ௨ͷΰʔϧ͕ ໌จԽ͞ΕΔ
!5",",*/( $BTF νʔϜϨʔμʔνϟʔτ ✓νʔϜʹͱͬͯॏཁͳτϐοΫΛ ֤ࣗͰॻ͖ग़ͯ͠ڞ༗͢Δ ✓ಛʹେࣄͩͱࢥ͏ͭʹථ ✓બΜͩͭʹ͍֤ͭͯࣗͰ ຬͰݱࡏͷνʔϜΛධՁ͢Δ ✓શһͷฏۉΛϨʔμʔԽ͢Δ ✓ఆظతʹৼΓฦΓਐΛه͢Δ
!5",",*/( $BTF
!5",",*/( $BTF ࣗୡͰࣗୡͷ ఆੑతͳධՁΛ͢Δ
!5",",*/( $BTF νʔϜϩʔυϚοϓ ✓νʔϜͰ5SZ͖͢͜ͱɾղܾͨ͠ ͍Λ֤ࣗͰॻ͖ग़͢ ✓Ϩʔμʔνϟʔτͷ߲ͷɺ ࠷͍ۙτϐοΫͷۙ͘ʹషΔ ✓τϐοΫ͝ͱʹ༏ઌॱҐΛܾΊΔ ✓݁ՌΛݩʹϩʔυϚοϓΛ࡞͢Δ ✓Ϛωʔδϟʔͱ͢Γ߹ΘͤΔ
!5",",*/( $BTF
!5",",*/( $BTF
!5",",*/( $BTF νʔϜվળͷϩʔυϚοϓ͕ શһͷڞ௨ೝࣝʹͳΔ
!5",",*/( $BTF εΩϧϚοϓ ✓νʔϜʹඞཁͳεΩϧηοτΛϦε τΞοϓ͢Δ ✓֤ϝϯόʔ͕ࣗݾධՁΛ࣮ࢪ͢Δ FYˑਓʹڭ͑ΒΕΔ ˓̍ਓͰͰ͖Δ ˚αϙʔτ͕͋ΕͰ͖Δ ̇ͬͯΈ͍ͨ
✓ఆظతʹߋ৽͢Δ ✓৽ϝϯόʔͷड͚ೖΕ࣌࠾༻໘ஊ ͷ࣌ʹ༻͢Δ ✓֤εΩϧͷڭҭίϯςϯπΛఏڙ
!5",",*/( $BTF
!5",",*/( $BTF νʔϜͷڧΈɾऑΈ͕Θ͔Δ ݸਓͷεΩϧΞοϓͷඪʹͳΔ ϝϯόʔೖସͷஅࡐྉʹͳΔ
!5",",*/( ίπ ✓ຊϓϨθϯଞਓͰͳ͘ νʔϜ͔ΒͷֶͼΛୈҰʹ͢Δ ✓νʔϜʹɺݸਓʹௌ͢Δ ✓খͯ͘͞܁Γฦ͠ɺଓ͚Δ ✓νʔϜָࣗ͠Ή ✓ແཧ͠ͳ͍ɺૣΊʹఘΊΔ
!5",",*/( FYଓ͚Δͱʜ ճ;Γ͔͑ΓΛͯ͠ ݸͷΑ͔ͬͨΛݟ͚ͭͯ ݸͷͱ͖߹͍ ݸͷ5SZΛ͖ͯͨ͠
!5",",*/( FYଓ͚Δͱʜ ΠϠͰΑ͘ͳΔ 5SZͷ૯
!5",",*/( νʔϜΛ͑ͨͦͷઌ
!5",",*/( νʔϜ ։ൃ Ϗδωε νʔϜ͕Ϗδωεͱ։ൃͷج൫
!5",",*/( νʔϜ ։ൃ Ϗδωε ৫ νʔϜ ։ൃ Ϗδωε ৫͕νʔϜͷج൫
!5",",*/( νʔϜ ։ൃ δωε ৫ νʔϜ ։ൃ Ϗδωε ৫͕νʔϜΛࢧ͑ΒΕͳ͍߹
!5",",*/( ৫ͷߏ͕γεςϜͷઃܭʹ େ͖ͳӨڹΛ༩͑Δ CZϝϧϰΟϯɾίϯΣΠʢίϯΣΠͷ๏ଇʣ
!5",",*/( ৫ͷߏ͕ϓϩμΫτͷ࣭ʹ େ͖ͳӨڹΛ༩͑Δ CZϑϨσϦοΫɾϒϧοΫεʢϒϧοΫεͷਓ݄ͷਆʣ
!5",",*/( "SUJDMFCZ1VCMJDLFZ IUUQHPPHM&-X ৫͕࣭ʹ༩͑ΔӨڹͷ࣮ূ
!5",",*/( ࠷ۙͷ)PU5PQJDT৫བྷΈ %FW0QT .JDSPTFSWJDF Ձఏڙ·ͰͷϦʔυλΠϜͷ ͳͷͰ৫Λ͑ͨվળ͕ඞཁ ৫ͱηοτͰߟ͑ͣʹྲྀߦΓʹ ඈͼ͍ͭͯʹಋೖ͢Δͱࣦഊ͢Δ
!5",",*/( 1IPUPCZ%FOOJT+BSWJT IUUQTHPPHM%78.CC ΧϕΛ͑ΔͨΊʹ ৫վળෆՄܽ
!5",",*/( 1IPUPCZ%BOEFMJPO4PVQ IUUQTHPPHMF9KNI ৫ͷʹͳΔͱݏԎ͕ͪ͠
!5",",*/( ࣗୡͷ৫Λม͑Δͷ୭ͩ 1IPUPCZϑϦʔࣸਅૉࡐͺͨͦ͘ IUUQTXXXQBLVUBTPDPN
!5",",*/( ະདྷձٞ ✓৫ʹ͍ͭͯ;Γ͔͑Δ ✓ϚωδϝϯτਞࢀՃ ✓େ͖ͳٞͷରʹ͢Δ ✓ະདྷࢤͰߟ͑Δ ✓ͦͷ··ҿΈձʹߦ͘ྲྀΕ ✓͏·͍ͬͨ͘ΒαΠΫϧʹ͢Δ $BTF
!5",",*/( ҼՌؔਤΛͭͬͯ͘ࣄલ४උ $BTF
!5",",*/( શһͰ৫ͷɾ՝Λੳ $BTF
!5",",*/( νʔϜʹผΕͯվળࡦΛߟ͑Δ $BTF
!5",",*/( ✓ࢣঊͱͳΔΤϯδχΞͷෆ ✓৽͍ٕ͠ज़ઓ͕Ͱ͖͍ͯͳ͍ ✓͔ΔαʔϏε͕গͳ͍ ✓αʔϏε͕ଟ͗͢Δ ✓ͦͦԾઆཱ͕͍ͬͯͳ͍ $BTF ະདྷձٞͰग़ͨ1SPCMFN
!5",",*/( ✓ࢥͬͨΑΓΈΜͳੵۃతͩͬͨ ✓ීஈͤͳ͔͕ͬͨͰ͖ͨ ✓سጨͳ͍ҙݟ͕ग़ͨ ✓͓ޓ͍ͷߟ͑ํ͕Θ͔ͬͨ ✓৫ʹ͍͕ͭͯ͢Ͱ͖ͨ $BTF ࢀՃऀ͔ΒͷϑΟʔυόοΫ
!5",",*/( ͦͷޙͷҿΈձ͕Ұ൪Γ্͕ͬͨ 1IPUPCZϑϦʔࣸਅૉࡐͺͨͦ͘ IUUQTXXXQBLVUBTPDPN $BTF
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