{"id":7823,"date":"2022-02-09T14:19:00","date_gmt":"2022-02-09T05:19:00","guid":{"rendered":"https:\/\/taki-lab.site\/bocci\/?p=7823"},"modified":"2022-02-07T14:40:11","modified_gmt":"2022-02-07T05:40:11","slug":"%e3%80%90%e3%83%87%e3%82%b6%e3%82%a4%e3%83%b3%e3%83%91%e3%82%bf%e3%83%bc%e3%83%b3%e3%80%91memento%e3%83%91%e3%82%bf%e3%83%bc%e3%83%b3","status":"publish","type":"post","link":"https:\/\/taki-lab.site\/bocci\/?p=7823","title":{"rendered":"\u3010\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3011MEMENTO\u30d1\u30bf\u30fc\u30f3"},"content":{"rendered":"\n

\u51e6\u7406\u524d\u306e\u5185\u90e8\u72b6\u614b(Memento)\u3092\u4fdd\u6301\u3057\u3001\u72b6\u614b\u3092\u5fa9\u5143\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n

package com.example.memento;\r\n\r\npublic class Memento {\r\n    int protectedInfo;\r\n\r\n    Memento(int protectedInfo) {\r\n        this.protectedInfo = protectedInfo;\r\n    }\r\n\r\n    int getProtectedInfo() {\r\n        return protectedInfo;\r\n    }\r\n\r\n    public int getPublicInfo() {\r\n        return protectedInfo;\r\n    }\r\n}\r\n<\/code><\/pre>\n\n\n\n
package com.example.memento;\r\n\r\npublic class Originator {\r\n    private int info;\r\n\r\n    public Originator(int info) {\r\n        this.info = info;\r\n    }\r\n\r\n    public Memento createMemento() {\r\n        Memento memento = new Memento(info);\r\n        return memento;\r\n    }\r\n\r\n    public void restoreMemento(Memento memento) {\r\n        this.info = memento.protectedInfo;\r\n    }\r\n\r\n    public void process() {\r\n        info++;\r\n    }\r\n\r\n    public String toString() {\r\n        return Integer.toString(info);\r\n    }\r\n}\r\n<\/code><\/pre>\n\n\n\n
package com.example.main;

import com.example.memento.Memento;
import com.example.memento.Originator;

public class Caretaker {
    public static void main(String[] args) {
        int info = 1;

        Originator originator = new Originator(info);
        Memento memento = originator.createMemento();

        originator.process(); \/\/ \u66f4\u65b0
        originator.toString(); \/\/ \u51fa\u529b
        originator.restoreMemento(memento); \/\/ \u30ec\u30b9\u30c8\u30a2
        originator.toString(); \/\/ \u51fa\u529b
    }
}<\/pre>\n\n\n\n
Memento\u3068Originator \u306f\u540c\u3058\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u542b\u307e\u308c\u307e\u3059\u304c\u3001Caretaker \u306f\u5225\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
Caretaker \u306fMemento\u3092\u4fdd\u6301\u3057\u3001\u597d\u304d\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5fa9\u5143\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001Caretaker \u306f\u76f4\u63a5Memento\u306e\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u306a\u306e\u3067\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u6301\u3057\u3064\u3064\u3001\u30c7\u30fc\u30bf\u3092\u5fa9\u5143\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u51e6\u7406\u524d\u306e\u5185\u90e8\u72b6\u614b(Memento)\u3092\u4fdd\u6301\u3057\u3001\u72b6\u614b\u3092\u5fa9\u5143\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002 package com.example.main;import com.example.memento.Memento;import com.exa … \u7d9a\u304d\u3092\u8aad\u3080 \u3010\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3011MEMENTO\u30d1\u30bf\u30fc\u30f3<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[225,3],"tags":[],"class_list":["post-7823","post","type-post","status-publish","format-standard","hentry","category-225","category-3"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8SDbY-22b","jetpack-related-posts":[{"id":8205,"url":"https:\/\/taki-lab.site\/bocci\/?p=8205","url_meta":{"origin":7823,"position":0},"title":"\u3010\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3011state\u30d1\u30bf\u30fc\u30f3","author":"taki","date":"2022\u5e744\u670825\u65e5","format":false,"excerpt":"state\u30d1\u30bf\u30fc\u30f3\u306f\u72b6\u614b\u3092\u8868\u3059\u30af\u30e9\u30b9\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u72b6\u614b\u306b\u5fdc\u3058\u305f\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u2026","rel":"","context":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","block_context":{"text":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","link":"https:\/\/taki-lab.site\/bocci\/?cat=225"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6568,"url":"https:\/\/taki-lab.site\/bocci\/?p=6568","url_meta":{"origin":7823,"position":1},"title":"\u3010\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3011Iterator\u30d1\u30bf\u30fc\u30f3","author":"taki","date":"2021\u5e747\u670818\u65e5","format":false,"excerpt":"\u540c\u3058\u3088\u3046\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6574\u5217\u3055\u305b\u3066\u7ba1\u7406\u3057\u305f\u3044\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002 \u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306fLIST\u306b\u8fd1\u3044\u3002 p\u2026","rel":"","context":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","block_context":{"text":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","link":"https:\/\/taki-lab.site\/bocci\/?cat=225"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5005,"url":"https:\/\/taki-lab.site\/bocci\/?p=5005","url_meta":{"origin":7823,"position":2},"title":"\u3010\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3011Chain of Responsibility\u30d1\u30bf\u30fc\u30f3","author":"taki","date":"2021\u5e741\u670829\u65e5","format":false,"excerpt":"Chain of Responsibility\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002 package org.exa\u2026","rel":"","context":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","block_context":{"text":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","link":"https:\/\/taki-lab.site\/bocci\/?cat=225"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4904,"url":"https:\/\/taki-lab.site\/bocci\/?p=4904","url_meta":{"origin":7823,"position":3},"title":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3011Flyweight\u30d1\u30bf\u30fc\u30f3","author":"taki","date":"2021\u5e741\u670815\u65e5","format":false,"excerpt":"Flyweight\u30d1\u30bf\u30fc\u30f3\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002 package org.example.flywe\u2026","rel":"","context":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","block_context":{"text":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","link":"https:\/\/taki-lab.site\/bocci\/?cat=225"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6038,"url":"https:\/\/taki-lab.site\/bocci\/?p=6038","url_meta":{"origin":7823,"position":4},"title":"\u3010\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3011Interpreter\u30d1\u30bf\u30fc\u30f3","author":"taki","date":"2021\u5e745\u67085\u65e5","format":false,"excerpt":"Interpreter\u30d1\u30bf\u30fc\u30f3\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u307e\u3068\u3081\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\u30fb\u30fb\u30fb \u3046\u307e\u304f\u307e\u3068\u307e\u308a\u307e\u305b\u2026","rel":"","context":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","block_context":{"text":"\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3","link":"https:\/\/taki-lab.site\/bocci\/?cat=225"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/taki-lab.site\/bocci\/wp-content\/uploads\/2021\/05\/ab1928778ad2239882c98e0fdd22b40d.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":2966,"url":"https:\/\/taki-lab.site\/bocci\/?p=2966","url_meta":{"origin":7823,"position":5},"title":"\u3010C#\u3011\u3010\u30d4\u30af\u30ed\u30b9\u3011\u3010ALTSEED\u3011\u89e3\u6790\u30d1\u30bf\u30fc\u30f3\u305d\u306e\uff12","author":"taki","date":"2020\u5e745\u670816\u65e5","format":false,"excerpt":"\u524d\u56de\u307e\u3067\u306e\u72b6\u6cc1\u306f\u3053\u3061\u3089\u3002 https:\/\/taki-lab.site\/bocci\/?p=2956 \u6700\u2026","rel":"","context":"C#","block_context":{"text":"C#","link":"https:\/\/taki-lab.site\/bocci\/?cat=174"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/taki-lab.site\/bocci\/wp-content\/uploads\/2020\/05\/4e6a3ee49d2e75c647f7d3cc601009e2.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/taki-lab.site\/bocci\/wp-content\/uploads\/2020\/05\/4e6a3ee49d2e75c647f7d3cc601009e2.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/taki-lab.site\/bocci\/wp-content\/uploads\/2020\/05\/4e6a3ee49d2e75c647f7d3cc601009e2.jpg?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_likes_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=\/wp\/v2\/posts\/7823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7823"}],"version-history":[{"count":1,"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=\/wp\/v2\/posts\/7823\/revisions"}],"predecessor-version":[{"id":7825,"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=\/wp\/v2\/posts\/7823\/revisions\/7825"}],"wp:attachment":[{"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taki-lab.site\/bocci\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}