{"id":9818,"date":"2024-08-22T18:07:38","date_gmt":"2024-08-22T10:07:38","guid":{"rendered":"https:\/\/www.cybermedian.com\/ja\/using-activity-diagrams-and-sequence-diagrams-to-represent-use-cases\/"},"modified":"2026-04-20T09:05:13","modified_gmt":"2026-04-20T09:05:13","slug":"using-activity-diagrams-and-sequence-diagrams-to-represent-use-cases","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/ja\/using-activity-diagrams-and-sequence-diagrams-to-represent-use-cases\/","title":{"rendered":"\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3068\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u4f7f\u7528\u3059\u308b"},"content":{"rendered":"<div class=\"ChatMessagesView_messagePair__ZEXUz\">\n<div class=\"ChatMessage_chatMessage__xkgHx\" data-complete=\"true\">\n<div class=\"ChatMessage_messageRow__DHlnq\">\n<div class=\"ChatMessage_messageWrapper__4Ugd6\">\n<div 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class=\"Markdown_markdownContainer__Tz3HQ\">\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u8996\u899a\u7684\u30e2\u30c7\u30ea\u30f3\u30b0\u6280\u8853\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u7406\u89e3\u3068\u6587\u66f8\u5316\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3068\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u304a\u3088\u3073\u305d\u306e\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u3092\u52b9\u679c\u7684\u306b\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3068\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u4f7f\u3063\u3066\u5404\u30b7\u30ca\u30ea\u30aa\u3092\u8a73\u7d30\u306b\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u7406\u89e3<\/h2>\n<p>A\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\"><strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>\u00a0<\/a>\u30e6\u30fc\u30b6\u30fc\uff08\u307e\u305f\u306f\u30a2\u30af\u30bf\u30fc\uff09\u3068\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9593\u3067\u7279\u5b9a\u306e\u76ee\u7684\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u884c\u308f\u308c\u308b\u7279\u5b9a\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u8996\u70b9\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u306e\u6a5f\u80fd\u8981\u4ef6\u3092\u793a\u3057\u307e\u3059\u3002\u5404\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u306f\u3001\u4e3b\u306a\u6210\u529f\u30b7\u30ca\u30ea\u30aa\u3084\u3055\u307e\u3056\u307e\u306a\u4ee3\u66ff\u7d4c\u8def\u3092\u542b\u3080\u8907\u6570\u306e\u30b7\u30ca\u30ea\u30aa\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d71\uff1a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u7279\u5b9a\u3059\u308b<\/h2>\n<p>\u307e\u305a\u3001\u30e2\u30c7\u30eb\u5316\u3057\u305f\u3044\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u901a\u5e38\u3001\u4ee5\u4e0b\u306e\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u8981\u4ef6\u306e\u53ce\u96c6<\/strong>\uff1a\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306e\u30cb\u30fc\u30ba\u3092\u7406\u89e3\u3059\u308b\u3002<\/li>\n<li><strong>\u30a2\u30af\u30bf\u30fc\u306e\u5b9a\u7fa9<\/strong>\uff1a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u307e\u305f\u306f\u30b7\u30b9\u30c6\u30e0\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<li><strong>\u76ee\u6a19\u306e\u8a2d\u5b9a<\/strong>\uff1a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u304c\u9054\u6210\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u30b9\u30c6\u30c3\u30d72\uff1a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3092\u4f5c\u6210\u3059\u308b<\/h2>\n<p>An\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\"><strong>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3<\/strong><\/a>\u306f\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5185\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u6d41\u308c\u3092\u6349\u3048\u3001\u5168\u4f53\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u53ef\u8996\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4f5c\u6210\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n<ol>\n<li><strong>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u5b9a\u7fa9<\/strong>\uff1a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u95a2\u4e0e\u3059\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u5fdc\u7b54\u3092\u542b\u3081\u308b\u3002<\/li>\n<li><strong>\u610f\u601d\u6c7a\u5b9a\u30dd\u30a4\u30f3\u30c8\u306e\u7279\u5b9a<\/strong>\uff1a\u30d7\u30ed\u30bb\u30b9\u306e\u6d41\u308c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u9078\u629e\u304c\u5fc5\u8981\u306a\u5834\u6240\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<li><strong>\u30d5\u30ed\u30fc\u306e\u30de\u30c3\u30d4\u30f3\u30b0<\/strong>\uff1a\u77e2\u5370\u3092\u4f7f\u3063\u3066\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u9806\u5e8f\u3092\u793a\u3059\u3002\u521d\u671f\u72b6\u614b\u304b\u3089\u59cb\u3081\u3001\u6700\u7d42\u7d50\u679c\u3067\u7d42\u308f\u308b\u3002<\/li>\n<li><strong>\u4e26\u5217\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u7d71\u5408<\/strong>\uff1a\u8907\u6570\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u540c\u6642\u306b\u767a\u751f\u3059\u308b\u5834\u5408\u3001\u30d5\u30a9\u30fc\u30af\u30ce\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u8868\u73fe\u3059\u308b\u3002<\/li>\n<li><strong>\u30ec\u30d3\u30e5\u30fc\u3068\u6539\u5584<\/strong>\uff1a\u56f3\u304c\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u6b63\u78ba\u306b\u53cd\u6620\u3057\u3066\u304a\u308a\u3001\u7406\u89e3\u3057\u3084\u3059\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ol>\n<h3>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u306e\u4f8b<\/h3>\n<ul>\n<li><strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>: \u30e6\u30fc\u30b6\u30fc\u767b\u9332\n<ul>\n<li>\u958b\u59cb<\/li>\n<li>\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u5165\u529b<\/li>\n<li>\u5165\u529b\u5185\u5bb9\u306e\u691c\u8a3c\n<ul>\n<li>\u5165\u529b\u304c\u6709\u52b9\u306a\u5834\u5408\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u4f5c\u6210\u3078\u9032\u3080<\/li>\n<li>\u5165\u529b\u304c\u7121\u52b9\u306a\u5834\u5408\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a<\/li>\n<\/ul>\n<\/li>\n<li>\u7d42\u4e86<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2024\/08\/img_66c70deb3bbee.png\"\/><\/p>\n<h2>\u30b9\u30c6\u30c3\u30d73\uff1a\u30b7\u30ca\u30ea\u30aa\u306e\u7279\u5b9a<\/h2>\n<p>\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u304c\u5b8c\u6210\u3057\u305f\u3089\u3001\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306e\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u3092\u7279\u5b9a\u3059\u308b\uff1a<\/p>\n<ul>\n<li><strong>\u30e1\u30a4\u30f3\u6210\u529f\u30b7\u30ca\u30ea\u30aa<\/strong>: \u3059\u3079\u3066\u304c\u60f3\u5b9a\u901a\u308a\u306b\u6a5f\u80fd\u3059\u308b\u7406\u60f3\u7684\u306a\u30d5\u30ed\u30fc\u3002<\/li>\n<li><strong>\u4ee3\u66ff\u30b7\u30ca\u30ea\u30aa<\/strong>: \u30a8\u30e9\u30fc\u307e\u305f\u306f\u4ee3\u66ff\u9078\u629e\u3092\u8868\u3059\u7d4c\u8def\u3002<\/li>\n<\/ul>\n<h2>\u30b9\u30c6\u30c3\u30d74\uff1a\u5404\u30b7\u30ca\u30ea\u30aa\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u4f5c\u6210<\/h2>\n<p>A<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\">\u00a0<strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3<\/strong><\/a>\u306f\u3001\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u6642\u9593\u3068\u3068\u3082\u306b\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u3092\u793a\u3059\u3002\u7279\u5b9a\u3055\u308c\u305f\u5404\u30b7\u30ca\u30ea\u30aa\u306b\u5bfe\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u5b9f\u884c\u3059\u308b\uff1a<\/p>\n<ol>\n<li><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7279\u5b9a<\/strong>: \u30b7\u30ca\u30ea\u30aa\u306b\u95a2\u4e0e\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u30a2\u30af\u30bf\u30fc\u3001\u30b7\u30b9\u30c6\u30e0\uff09\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<li><strong>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5b9a\u7fa9<\/strong>: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u3067\u4ea4\u63db\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3057\u3001\u95a2\u6570\u547c\u3073\u51fa\u3057\u3001\u5fdc\u7b54\u3001\u307e\u305f\u306f\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u8868\u3059\u3002<\/li>\n<li><strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u30de\u30c3\u30d4\u30f3\u30b0<\/strong>: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6c34\u5e73\u65b9\u5411\u306b\u914d\u7f6e\u3057\u3001\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3092\u8868\u3059\u7e26\u7dda\u3092\u63cf\u304f\u3002\u77e2\u5370\u3092\u4f7f\u7528\u3057\u3066\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6d41\u308c\u304c\u767a\u751f\u3059\u308b\u9806\u5e8f\u3092\u793a\u3059\u3002<\/li>\n<li><strong>\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30dc\u30c3\u30af\u30b9\u306e\u542b\u3080<\/strong>: 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