{"id":1830,"date":"2019-04-20T12:34:04","date_gmt":"2019-04-20T12:34:04","guid":{"rendered":"http:\/\/demensdeum.com\/blog\/?p=1830"},"modified":"2024-12-16T22:32:38","modified_gmt":"2024-12-16T19:32:38","slug":"memento-pattern","status":"publish","type":"post","link":"https:\/\/demensdeum.com\/blog\/ja\/2019\/04\/20\/memento-pattern\/","title":{"rendered":"\u30d1\u30bf\u30fc\u30f3\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d"},"content":{"rendered":"<p>\u3053\u306e\u6295\u7a3f\u3067\u306f\u3001\u30d1\u30bf\u30fc\u30f3\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u306f\u300c\u30e1\u30e1\u30f3\u30c8\u300d<\/p>\n<p>\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u300c\u884c\u52d5\u300d\u3092\u6307\u3057\u307e\u3059\u3002\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3002<\/p>\n<h3><a href=\"https:\/\/pxhere.com\/en\/photo\/655263\" target=\"_blank\" rel=\"noopener noreferrer\"><img 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\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306e\u307f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3001\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u5185\u90e8\u72b6\u614b\u3092\u793a\u3057\u3001\u660e\u78ba\u3067\u30b7\u30f3\u30d7\u30eb\u306a\u5916\u90e8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u30d1\u30bf\u30fc\u30f3\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u306f\u300c\u30ad\u30fc\u30d1\u30fc\u300d\u3002<\/p>\n<p>\u4f5c\u54c1\u4f8b\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059:<\/p>\n<p><!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ --><br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/demensdeum.com\/demos\/memento\/index.html\" width=\"400\" height=\"600\" scrolling=\"yes\" class=\"iframe-class\" frameborder=\"0\"><\/iframe><\/p>\n<p>\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30b9\u30d7\u30e9\u30a4\u30c8\u304c\u8868\u793a\u3055\u308c\u3001\u30ab\u30fc\u30eb\u3057\u305f\u77e2\u5370\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u307e\u3059\u3002\u30b9\u30d7\u30e9\u30a4\u30c8\u304c\u6d88\u3048\u307e\u3059\u3002\u3053\u306e\u4f8b\u306f 3 \u3064\u306e\u30af\u30e9\u30b9\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><\u30aa\u30eb><\/p>\n<li>\u30b9\u30d7\u30e9\u30a4\u30c8\u3068\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304c\u8868\u793a\u3055\u308c\u308b\u30ad\u30e3\u30f3\u30d0\u30b9\u3002<\/li>\n<li>\u753b\u9762\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3002\u30af\u30ea\u30c3\u30af\u3092\u51e6\u7406\u3057\u3001\u753b\u9762\u306e\u30ed\u30b8\u30c3\u30af\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/li>\n<li>\u5909\u66f4\u306e\u305f\u3073\u306b\u4fdd\u6301\u3055\u308c\u308b\u30ad\u30e3\u30f3\u30d0\u30b9\u306e\u72b6\u614b\u306f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u753b\u9762\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u4f7f\u7528\u3057\u3066\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u30d1\u30bf\u30fc\u30f3\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306f\u3001\u30af\u30e9\u30b9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059:<\/p>\n<p><\u30aa\u30eb><\/p>\n<li>\u30ad\u30e3\u30f3\u30d0\u30b9&#8211;\u30bd\u30fc\u30b9\u3067\u306f\u3001\u3053\u306e\u30af\u30e9\u30b9\u306e\u72b6\u614b\u306f\u3001\u5f8c\u3067\u8981\u6c42\u306b\u5fdc\u3058\u3066\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u304d\u308b\u3088\u3046\u306b\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30bd\u30fc\u30b9\u306f\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u3092\u8ee2\u9001\u3059\u308b\u3068\u304d\u306b\u72b6\u614b\u3092\u5fa9\u5143\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc&#8211;\u7ba1\u7406\u8005\u3067\u3042\u308b\u3053\u306e\u30af\u30e9\u30b9\u306f\u3001\u72b6\u614b\u3092\u4fdd\u5b58\/\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u65b9\u6cd5\u3068\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u72b6\u614b&#8211;\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3002\u30bd\u30fc\u30b9\u306e\u72b6\u614b\u306b\u52a0\u3048\u3066\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u9806\u5e8f\u3092\u6b63\u78ba\u306b\u78ba\u7acb\u3067\u304d\u308b\u65e5\u4ed8\u60c5\u5831\u307e\u305f\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4fdd\u5b58\u3059\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u91cd\u8981\u306a\u7279\u5fb4\u306f\u3001\u30bd\u30fc\u30b9\u306e\u307f\u304c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u5185\u306e\u4fdd\u5b58\u3055\u308c\u305f\u72b6\u614b\u306e\u5185\u90e8\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u5916\u90e8\u304b\u3089\u306e\u5909\u66f4 (\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u30d0\u30a4\u30d1\u30b9\u3057\u3066\u4f55\u304b\u3092\u5909\u66f4\u3057\u305f\u3044\u4fbf\u5229\u306a\u958b\u767a\u8005\u306b\u3088\u308b) \u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u30ed\u30b8\u30c3\u30af\u3092\u7834\u58ca\u3057\u307e\u3059\uff09\u3002\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3001\u7d44\u307f\u8fbc\u307f\u30af\u30e9\u30b9\u304c\u4f7f\u7528\u3055\u308c\u3001C++ \u3067\u306f\u30d5\u30ec\u30f3\u30c9 \u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3059\u308b\u6a5f\u80fd\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u500b\u4eba\u7684\u306b\u306f\u3001Rise \u3067\u306f\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u884c\u308f\u306a\u3044\u30b7\u30f3\u30d7\u30eb\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5b9f\u88c5\u3057\u3001Swift \u3067\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306f Generic \u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u79c1\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f &#8211; Memento \u306f\u3001\u540c\u3058\u30af\u30e9\u30b9\u72b6\u614b\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306e\u307f\u5185\u90e8\u72b6\u614b\u3092\u4e0e\u3048\u307e\u3059\u3002<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1856\" src=\"https:\/\/demensdeum.com\/blog\/wp-content\/uploads\/2019\/04\/stateByRequest.jpg\" alt=\"\" width=\"321\" height=\"203\" \/><\/p>\n<h3>\u30bd\u30fc\u30b9<\/h3>\n<p><a href=\"https:\/\/refactoring.guru\/design-patterns\/memento\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/refactoring.guru\/design-patterns\/memento<\/a <\/p>\n<h3>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h3>\n<p><a href=\"https:\/\/gitlab.com\/demensdeum\/patterns\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/gitlab.com\/demensdeum\/patterns\/<\/a>< \/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u6295\u7a3f\u3067\u306f\u3001\u30d1\u30bf\u30fc\u30f3\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u306f\u300c\u30e1\u30e1\u30f3\u30c8\u300d \u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u300c\u884c\u52d5\u300d\u3092\u6307\u3057\u307e\u3059\u3002\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3002 \u30b0\u30e9\u30d5\u30a3\u30c3\u30af \u30a8\u30c7\u30a3\u30bf\u3092\u958b\u767a\u3057\u3066\u3044\u3066\u3001\u30e6\u30fc\u30b6\u30fc \u30b3\u30de\u30f3\u30c9\u306b\u57fa\u3065\u3044\u3066\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u3001\u30b7\u30b9\u30c6\u30e0 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u305f\u300c\u30a2\u30af\u30b7\u30e7\u30f3\u300d\u306e\u5185\u90e8\u72b6\u614b\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3053\u3068\u3082\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306e\u307f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3001\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u5185\u90e8\u72b6\u614b\u3092\u793a\u3057\u3001\u660e\u78ba\u3067\u30b7\u30f3\u30d7\u30eb\u306a\u5916\u90e8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u30d1\u30bf\u30fc\u30f3\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u306f\u300c\u30ad\u30fc\u30d1\u30fc\u300d\u3002 \u4f5c\u54c1\u4f8b\u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u300d\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059: 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