{"id":2335,"date":"2019-11-05T22:16:25","date_gmt":"2019-11-05T19:16:25","guid":{"rendered":"http:\/\/demensdeum.com\/blog\/?p=2335"},"modified":"2024-12-16T22:32:32","modified_gmt":"2024-12-16T19:32:32","slug":"factory-method-pattern","status":"publish","type":"post","link":"https:\/\/demensdeum.com\/blog\/ja\/2019\/11\/05\/factory-method-pattern\/","title":{"rendered":"\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9"},"content":{"rendered":"

\"\"<\/a><\/p>\n

\u30d5\u30a1\u30af\u30c8\u30ea\u30fc \u30e1\u30bd\u30c3\u30c9<\/b> \u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30b8\u30a7\u30cd\u30ec\u30fc\u30c6\u30a3\u30d6 \u30c7\u30b6\u30a4\u30f3 \u30d1\u30bf\u30fc\u30f3\u3092\u6307\u3057\u307e\u3059\u3002
\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u7279\u5b9a\u306e\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u4f5c\u6210\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u7c21\u5358\u305d\u3046\u306b\u601d\u3048\u307e\u3059\u3088\u306d?<\/p>\n

\u7406\u8ad6\u4e0a<\/h3>\n

AR \u30e1\u30ac\u30cd\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u958b\u767a\u3057\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002\u982d\u3092\u6a2a\u306b\u50be\u3051\u308b\u3068\u3001\u5229\u7528\u53ef\u80fd\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e1\u30cb\u30e5\u30fc\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u76ee\u306e\u524d\u306b\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u5f53\u793e\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3042\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u4f01\u696d\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u307e\u3059\u3002\u5f53\u7136\u306e\u3053\u3068\u306a\u304c\u3089\u3001\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30a2\u30a4\u30b3\u30f3\u3001\u540d\u524d\u304c\u8868\u793a\u3055\u308c\u308b\u3079\u304d\u304b\u308f\u304b\u3089\u306a\u3044\u305f\u3081\u3001\u30a2\u30a4\u30b3\u30f3\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u95a2\u3059\u308b\u95a2\u9023\u60c5\u5831\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u88fd\u54c1:<\/b><\/p>\n

\u3068\u547c\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n

\n
protocol Product {\n var name: String { get }\n var image: Image { get }\n var executablePath: String { get }\n}\n<\/code><\/pre>\n<\/div>\n
\u6b21\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u7279\u5b9a\u306e\u88fd\u54c1<\/b>\u7528\u306e\u4e00\u9023\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u767a\u884c\u3092\u5b9f\u88c5\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u540d\u524d\u304c\u4ed8\u3044\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30a2\u30a4\u30b3\u30f3\u306e\u914d\u5217\u3002\u3053\u308c\u306f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u5185\u3067\u3059\u3067\u306b\u63cf\u753b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046 – \u30d7\u30ed\u30c0\u30af\u30c8<\/b>\u306e\u914d\u5217\u3092\u8fd4\u3059\u30d5\u30a1\u30af\u30c8\u30ea \u30e1\u30bd\u30c3\u30c9<\/b>\u3092\u542b\u3080\u30af\u30ea\u30a8\u30a4\u30bf\u30fc<\/b>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3002<\/p>\n
\n
protocol Creator {\n func factoryMethod() -> [Product]\n}\n<\/code><\/pre>\n<\/div>\n
\u5b9f\u969b\u306b<\/h3>\n
AR \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u6700\u521d\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f 7B – \u793e\u3067\u3057\u305f\u3002 \u30db\u30f3\u30b8\u30e5\u30e9\u30b9<\/em>\u306e\u30b3\u30fc\u30d2\u30fc\u30e1\u30fc\u30ab\u30fc\u7528\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5927\u624b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3002\u5f7c\u3089\u306f\u3001\u5c4b\u5185\u30de\u30c3\u30d7 \u30e2\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30fc\u30d2\u30fc\u3092\u6df9\u308c\u305f\u308a\u3001\u6c34\u3084\u8c46\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3001\u6700\u5bc4\u308a\u306e\u30b3\u30fc\u30d2\u30fc \u30e1\u30fc\u30ab\u30fc\u3078\u306e\u9053\u3092\u793a\u3059\u6a5f\u80fd\u3092\u5099\u3048\u305f\u62e1\u5f35\u73fe\u5b9f\u30b0\u30e9\u30b9\u3092\u8ca9\u58f2\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5f7c\u3089\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u958b\u767a\u3092\u5f15\u304d\u53d7\u3051\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ea\u30b9\u30c8\u3068\u305d\u306e\u8a73\u7d30\u3092\u6b63\u3057\u304f\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u3001\u30af\u30ea\u30a8\u30a4\u30bf\u30fc<\/b> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3068 \u88fd\u54c1<\/b> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306e\u307f\u3092\u6c42\u3081\u3089\u308c\u307e\u3059\u3002 <\/p>\n
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8ee2\u9001\u3057\u305f\u5f8c\u30017B \u793e\u306f Creator <\/b> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066 Specific Creator <\/b> \u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a2\u30a4\u30b3\u30f3\u306e\u914d\u5217\u3092\u8fd4\u3059\u30af\u30e9\u30b9\u3002\u30a2\u30a4\u30b3\u30f3 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u81ea\u4f53\u306f\u3001\u88fd\u54c1<\/b> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u7279\u5b9a\u306e\u88fd\u54c1<\/b> \u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n
\u7279\u5b9a\u306e\u88fd\u54c1<\/b>\u306e\u30b3\u30fc\u30c9\u4f8b:<\/p>\n
\n
class CoffeeMachineLocator: implements Product {\n let name = \u201c7B Coffee Machine Locator v.3000\u201d\n let image = Image.atPath(\u201cimages\/locator.tga\u201d)\n let executablePath = \u201cCoffeeMachineLocator.wasm\u201d\n}\n\nclass iPuchinno: implements Product {\n let name = \u201ciPuchinno 1.0.3\u201d\n let image = Image.atPath(\u201cimages\/puchino.pvrtc\u201d)\n let executablePath = \u201cneutron\/ipuchBugFixFinalNoFreezeFixAlpha4.js\u201d\n}\n<\/code><\/pre>\n<\/div>\n
\u30af\u30e9\u30b9 Concrete Creator<\/b> \u306f\u30012 \u3064\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u914d\u5217\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\n
class 7BAppsCreator: implements Creator {\n func factoryMethod() -> [Product] {\n  return [CoffeeMachineLocator(), iPuchinno()]\n }\n}\n<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u5f8c\u30017B \u793e\u306f\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u88fd\u54c1<\/b>\u3001\u30b3\u30f3\u30af\u30ea\u30fc\u30c8 \u30af\u30ea\u30a8\u30fc\u30bf\u30fc<\/b>\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u7de8\u96c6\u3057\u3001\u305d\u308c\u3092\u5f53\u793e\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u30b3\u30fc\u30d2\u30fc \u30e1\u30fc\u30ab\u30fc\u7528\u306e AR \u30b0\u30e9\u30b9\u306e\u8ca9\u58f2\u3092\u958b\u59cb\u3057\u307e\u3059\u3002 \u79c1\u305f\u3061\u306e\u5074\u3067\u306e\u8ffd\u52a0\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093<\/em>\u3002<\/p>\n
\u30bd\u30fc\u30b9<\/h3>\n
https:\/\/refactoring.guru\/ru\/design-patterns\/command <\/a>
https:\/\/www.amazon.com\/Design-Patterns-Elements-Reusable-Object-Oriented\/dp\/0201633612<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u30d5\u30a1\u30af\u30c8\u30ea\u30fc \u30e1\u30bd\u30c3\u30c9 \u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30b8\u30a7\u30cd\u30ec\u30fc\u30c6\u30a3\u30d6 \u30c7\u30b6\u30a4\u30f3 \u30d1\u30bf\u30fc\u30f3\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u7279\u5b9a\u306e\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u4f5c\u6210\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u7c21\u5358\u305d\u3046\u306b\u601d\u3048\u307e\u3059\u3088\u306d? \u7406\u8ad6\u4e0a AR \u30e1\u30ac\u30cd\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u958b\u767a\u3057\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002\u982d\u3092\u6a2a\u306b\u50be\u3051\u308b\u3068\u3001\u5229\u7528\u53ef\u80fd\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e1\u30cb\u30e5\u30fc\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u76ee\u306e\u524d\u306b\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u5f53\u793e\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3042\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u4f01\u696d\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u307e\u3059\u3002\u5f53\u7136\u306e\u3053\u3068\u306a\u304c\u3089\u3001\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30a2\u30a4\u30b3\u30f3\u3001\u540d\u524d\u304c\u8868\u793a\u3055\u308c\u308b\u3079\u304d\u304b\u308f\u304b\u3089\u306a\u3044\u305f\u3081\u3001\u30a2\u30a4\u30b3\u30f3\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u95a2\u3059\u308b\u95a2\u9023\u60c5\u5831\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u88fd\u54c1: \u3068\u547c\u3073\u307e\u3057\u3087\u3046\u3002 protocol Product { var name: String { get } var image: Image { get } var executablePath: String { get } } \u6b21\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u7279\u5b9a\u306e\u88fd\u54c1\u7528\u306e\u4e00\u9023\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u767a\u884c\u3092\u5b9f\u88c5\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u540d\u524d\u304c\u4ed8\u3044\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30a2\u30a4\u30b3\u30f3\u306e\u914d\u5217\u3002\u3053\u308c\u306f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u5185\u3067\u3059\u3067\u306b\u63cf\u753b\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046 – \u30d7\u30ed\u30c0\u30af\u30c8\u306e\u914d\u5217\u3092\u8fd4\u3059\u30d5\u30a1\u30af\u30c8\u30ea \u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080\u30af\u30ea\u30a8\u30a4\u30bf\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3002 protocol Creator { func factoryMethod() -> [Product] } \u5b9f\u969b\u306b AR \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u6700\u521d\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f 7B – \u793e\u3067\u3057\u305f\u3002 \u30db\u30f3\u30b8\u30e5\u30e9\u30b9\u306e\u30b3\u30fc\u30d2\u30fc\u30e1\u30fc\u30ab\u30fc\u7528\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5927\u624b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3002\u5f7c\u3089\u306f\u3001\u5c4b\u5185\u30de\u30c3\u30d7 \u30e2\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30fc\u30d2\u30fc\u3092\u6df9\u308c\u305f\u308a\u3001\u6c34\u3084\u8c46\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3001\u6700\u5bc4\u308a\u306e\u30b3\u30fc\u30d2\u30fc \u30e1\u30fc\u30ab\u30fc\u3078\u306e\u9053\u3092\u793a\u3059\u6a5f\u80fd\u3092\u5099\u3048\u305f\u62e1\u5f35\u73fe\u5b9f\u30b0\u30e9\u30b9\u3092\u8ca9\u58f2\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002 \u5f7c\u3089\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u958b\u767a\u3092\u5f15\u304d\u53d7\u3051\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ea\u30b9\u30c8\u3068\u305d\u306e\u8a73\u7d30\u3092\u6b63\u3057\u304f\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u3001\u30af\u30ea\u30a8\u30a4\u30bf\u30fcContinue reading 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