{"id":3548,"date":"2022-02-10T13:11:03","date_gmt":"2022-02-10T05:11:03","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/id\/?p=3548"},"modified":"2022-04-20T14:15:58","modified_gmt":"2022-04-20T06:15:58","slug":"use-case-diagram-a-notation-guide","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/id\/use-case-diagram-a-notation-guide\/","title":{"rendered":"Use Case Diagram \u2013 Panduan Notasi"},"content":{"rendered":"

Diagram use case adalah diagram Unified Modeling Language (UML) untuk elisitasi kebutuhan.\u00a0Use case diagram memberikan gambaran grafis dari tujuan (dimodelkan oleh use case) yang ingin dicapai oleh pengguna (diwakili oleh aktor) dengan menggunakan sistem.\u00a0Use case dalam diagram use case dapat diatur dan diatur sesuai dengan relevansinya, tingkat abstraksinya, dan dampaknya terhadap pengguna.\u00a0Mereka dapat dihubungkan untuk menunjukkan ketergantungan mereka, termasuk, memperluas, hubungan generasi.<\/span><\/p>\n

Sebuah use case menggambarkan tujuan bisnis spesifik yang ingin dicapai oleh sistem yang akan dibangun.\u00a0Secara grafis, ini adalah oval dengan nama yang terlihat sederhana, tetapi merupakan alat yang paling umum digunakan untuk mengelola tujuan bisnis atau tujuan proyek.<\/span><\/p>\n

Ringkasan Notasi Diagram Kasus Penggunaan<\/span><\/span><\/h3>\n\n\n\n\n\n\n\n\n\n\n
Deskripsi Notasi<\/span><\/strong><\/td>\nRepresentasi Visual<\/span><\/strong><\/td>\n<\/tr>\n
Aktor<\/span><\/strong><\/p>\n
    \n
  • Seseorang berinteraksi dengan use case (fungsi sistem).<\/span><\/li>\n
  • Dinamakan dengan kata benda.<\/span><\/li>\n
  • Aktor berperan dalam bisnis<\/span><\/li>\n
  • Mirip dengan konsep pengguna, tetapi pengguna dapat memainkan peran yang berbeda<\/span><\/li>\n
  • Sebagai contoh:<\/span>\n
      \n
    • Seorang prof.\u00a0bisa menjadi instruktur dan juga peneliti<\/span><\/li>\n
    • memainkan 2 peran dengan dua sistem<\/span><\/li>\n<\/ul>\n<\/li>\n
    • Aktor memicu use case.<\/span><\/li>\n
    • Aktor memiliki tanggung jawab terhadap sistem (input), dan Aktor memiliki harapan dari sistem (output).<\/span><\/li>\n<\/ul>\n<\/td>\n
saya<\/span>\"Gunakan<\/td>\n<\/tr>\n
Gunakan Kasus<\/span><\/strong><\/p>\n
    \n
  • Fungsi sistem (proses \u2013 otomatis atau manual)<\/span><\/li>\n
  • Dinamakan dengan kata kerja + Kata Benda (atau Frase Kata Benda).<\/span><\/li>\n
  • yaitu Lakukan sesuatu<\/span><\/li>\n
  • Setiap Aktor harus ditautkan ke use case, sementara beberapa use case mungkin tidak ditautkan ke aktor.<\/span><\/li>\n<\/ul>\n<\/td>\n
saya<\/span>\"Notasi<\/td>\n<\/tr>\n
Tautan Asosiasi<\/span><\/strong><\/p>\n
    \n
  • Partisipasi aktor dalam use case ditunjukkan dengan menghubungkan aktor ke use case dengan tautan yang solid.<\/span><\/li>\n
  • Aktor dapat dihubungkan ke use case dengan asosiasi, yang menunjukkan bahwa aktor dan use case berkomunikasi satu sama lain menggunakan pesan.<\/span><\/li>\n<\/ul>\n<\/td>\n
saya<\/span>\"Gunakan<\/td>\n<\/tr>\n
Batas sistem<\/span><\/strong><\/p>\n
    \n
  • Batas sistem berpotensi seluruh sistem seperti yang didefinisikan dalam dokumen persyaratan.<\/span><\/li>\n
  • Untuk sistem yang besar dan kompleks, setiap modul mungkin merupakan batas sistem.<\/span><\/li>\n
  • Misalnya, untuk sistem ERP untuk suatu organisasi, setiap modul seperti personalia, penggajian, akuntansi, dll.<\/span><\/li>\n
  • dapat membentuk batas sistem untuk kasus penggunaan khusus untuk masing-masing fungsi bisnis ini.<\/span><\/li>\n
  • Seluruh sistem dapat menjangkau semua modul ini yang menggambarkan batas sistem secara keseluruhan<\/span><\/li>\n<\/ul>\n<\/td>\n
saya<\/span>\"Gunakan<\/td>\n<\/tr>\n
Memperpanjang<\/span><\/strong><\/p>\n
    \n
  • Menunjukkan bahwa\u00a0 kasus penggunaan\u00a0<\/span>“Kata Sandi Tidak Valid”<\/span><\/strong>\u00a0\u00a0dapat mencakup (tunduk pada yang ditentukan dalam ekstensi) perilaku yang ditentukan oleh kasus penggunaan dasar\u00a0\u00a0<\/span>“Akun Masuk”<\/span><\/strong>\u00a0.<\/span><\/li>\n
  • Gambarkan dengan panah terarah yang memiliki garis putus-putus.\u00a0Ujung panah menunjuk ke kasus penggunaan dasar dan kasus penggunaan anak terhubung di dasar panah.<\/span><\/li>\n
  • Stereotip \u201c<<extends>>\u201d diidentifikasi sebagai hubungan yang diperpanjang<\/span><\/li>\n<\/ul>\n<\/td>\n
saya<\/span>\"Gunakan<\/td>\n<\/tr>\n
Termasuk<\/span><\/strong><\/p>\n
    \n
  • Ketika sebuah use case digambarkan menggunakan fungsionalitas dari use case lain, hubungan antara use case disebut sebagai hubungan include atau using.<\/span><\/li>\n
  • Sebuah use case mencakup fungsionalitas yang dijelaskan dalam use case lain sebagai bagian dari alur proses bisnisnya.<\/span><\/li>\n
  • Hubungan penggunaan dari kasus penggunaan dasar ke kasus penggunaan anak menunjukkan bahwa turunan dari kasus penggunaan dasar akan menyertakan perilaku seperti yang ditentukan dalam kasus penggunaan anak.<\/span><\/li>\n
  • Hubungan include digambarkan dengan panah berarah yang memiliki garis putus-putus.\u00a0Ujung panah menunjuk ke kasus penggunaan anak dan kasus penggunaan induk terhubung di dasar panah.<\/span><\/li>\n
  • Stereotip \u201c<<include>>\u201d mengidentifikasi hubungan sebagai hubungan include.<\/span><\/li>\n<\/ul>\n<\/td>\n
saya<\/span>\"Gunakan<\/td>\n<\/tr>\n
Generalisasi<\/span><\/strong><\/p>\n
    \n
  • Hubungan generalisasi adalah hubungan orang tua-anak antara use case.<\/span><\/li>\n
  • Kasus penggunaan anak adalah peningkatan dari kasus penggunaan orang tua.<\/span><\/li>\n
  • Generalisasi ditampilkan sebagai panah terarah dengan panah segitiga.<\/span><\/li>\n
  • Kasus penggunaan anak terhubung di dasar panah.\u00a0Ujung panah terhubung ke kasus penggunaan induk.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Use Case Diagram \u2013 Sistem Penjualan Kendaraan<\/span><\/span><\/h2>\n

    Gambar di bawah ini menunjukkan contoh diagram kasus penggunaan untuk sistem kendaraan.\u00a0Seperti yang Anda lihat, bahkan sistem sebesar sistem penjualan kendaraan berisi tidak lebih dari 10 kasus penggunaan!\u00a0Itulah keindahan pemodelan use case.<\/span><\/p>\n

    Model use case juga menunjukkan penggunaan extend dan include.\u00a0Selain itu, terdapat asosiasi yang menghubungkan antara aktor dan use case.<\/span><\/p>\n

    \"Contoh<\/p>\n","protected":false},"excerpt":{"rendered":"

    A use case diagram is a Unified Modeling Language (UML) diagram for requirements elicitation. Use case diagrams provide a graphical overview of the goals (modeled by use cases) that users (represented by actors) want to achieve by using the system. Use cases in a use case diagram can be organized and arranged according to their relevance, level of abstraction, and impact on the user. They can be linked to show their dependencies, include, extend, generation relationships.<\/p>\n","protected":false},"author":1,"featured_media":3559,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[36],"tags":[],"class_list":["post-3548","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","loop-entry","clr"],"yoast_head":"\nUse Case Diagram \u2013 Panduan Notasi - Visual Paradigm Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/id\/use-case-diagram-a-notation-guide\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Use Case Diagram \u2013 Panduan Notasi - Visual Paradigm Blog\" \/>\n<meta property=\"og:description\" content=\"A use case diagram is a Unified Modeling Language (UML) diagram for requirements elicitation. 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