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5分でわかった気になるDDD
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dora56
January 24, 2019
Technology
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5分でわかった気になるDDD
dora56
January 24, 2019
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Transcript
5Ͱ Θ͔ͬͨؾʹͳΔDDD by dora56
ࣗݾհ • dora56 • 25ࡀ • डୗ։ൃ • JavaͰαʔόʔαΠυͬͯ·͢
υϝΠϯۦಈઃܭ(DDD)ͱ ͳΜͩʁ
ͦͦυϝΠϯͱʁ
Domain(υϝΠϯ) 1. ྖɺྖ 2. ʢࣝɺࢥɺ׆ಈͳͲʣྖҬɺɺ…ք 3. ʢͷʣશॴ༗ݖ
DDD͕ҙຯ͢ΔυϝΠϯʁ ͯ͢ͷιϑτΣΞϓϩάϥϜɺͦΕΛ ༻͢ΔϢʔβͷԿ͔͠Βͷ׆ಈؔ৺ͱ͕ؔ ͋ΔɻϢʔβ͕ϓϩάϥϜΛదԠ͢Δ͜ͷର ྖҬ͕ɺιϑτΣΞͷυϝΠϯͰ͋Δɻ ―ΤϦοΫɾΤϰΝϯεͷυϝΠϯۦಈઃܭ
ͭ·Γ • ιϑτΣΞԽ͢ΔۀྖҬ • ձܭϓϩάϥϜͷυϝΠϯձܭͱࡒ • ιʔείʔυཧγεςϜͷυϝΠϯιϑτ ΣΞ։ൃͦͷͷ
͡Ό͋ɺྑ͍ιϑτΣΞΛ ࡞ΔʹυϝΠϯʹ͍ͭͯ Δඞཁ͕͋ΔΑͶ
υϝΠϯΛཧղ͢Δʹ ۀΛΑΓΑ͍ͬͯ͘Δ୲ ऀʢυϝΠϯΤΩεύʔτʣ ͕ඞཁ
։ൃऀͱ υϝΠϯΤΩεύʔτ͕ ڠྗ͢Δʹ
νʔϜͰڞ༗͢Δݴޠ υϝΠϯͷ༻ޠͷڞ௨ೝࣝ ʢϢϏΩλεݴޠʣ͕༗༻
͞Βʹ ڥք͚ͮΒΕͨίϯςΩετ Ͱ υϝΠϯϞσϧΛߏங
ڥք͚ͮΒΕͨίϯςΩετ ۜߦ ΞΧϯτޱ࠲ ձܭ ΞΧϯτצఆՊ ΞΧϯτͱ͍͏ݴ༿͕จ຺ʹΑͬͯҧ͏
ݴ༿ͷఆٛΛ͔ͬ͠ΓΔ
͜͜·Ͱ৭ʑઆ໌͚ͨ͠Ͳ ݁ہDDDͬͯʁ
DDDͱ • ։ൃऀͱυϝΠϯΤΩεύʔτͱҰॹʹυϝ ΠϯϞσϧΛ୳ٻ͠ɺڞ௨ͷݴ༿Λ͍ͳ͕ ΒιϑτΣΞΛൃల͍ͤͯ͘͞ઃܭख๏ • ྑ͍ιϑτΣΞઃܭΛ͢ΔͨΊͷҙࢥܾఆ ͷࢦͱͳΔϑϨʔϜϫʔΫ
ݴ͍͍ͨ͜ͱ
ྑ͍ιϑτΣΞΛ࡞Δʹɺ ٕज़͚ͩͰͳ͘ɺϏδωε αΠυͱڠྗ͠ͳ͕Β ઃܭ͍ͯ͘͜͠ͱ͕େࣄ
͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ