{"id":2017,"date":"2015-05-05T14:18:12","date_gmt":"2015-05-05T05:18:12","guid":{"rendered":"http:\/\/yucchi.jp\/blog\/?p=2017"},"modified":"2015-05-05T14:19:52","modified_gmt":"2015-05-05T05:19:52","slug":"semaphore-%e3%81%a7%e9%81%8a%e3%81%b6","status":"publish","type":"post","link":"http:\/\/yucchi.jp\/blog\/?p=2017","title":{"rendered":"Semaphore \u3067\u904a\u3076"},"content":{"rendered":"<p>\u65e9\u3044\u3082\u306e\u3067\u4eca\u65e5\u306f\u4e94\u6708\u4e94\u65e5 \u3053\u3069\u3082\u306e\u65e5\u3067\u3059\u3002<\/p>\n<p>\u795d\u65e5\u6cd52\u6761\u306b\u3088\u308c\u3070\u3001\u300c\u3053\u3069\u3082\u306e\u4eba\u683c\u3092\u91cd\u3093\u3058\u3001\u3053\u3069\u3082\u306e\u5e78\u798f\u3092\u306f\u304b\u308b\u3068\u3068\u3082\u306b\u3001\u6bcd\u306b\u611f\u8b1d\u3059\u308b\u300d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>5\u67085\u65e5\u306f\u53e4\u6765\u304b\u3089\u7aef\u5348\u306e\u7bc0\u53e5\u3068\u3057\u3066\u65e5\u672c\u3067\u306f\u7537\u5b50\u306e\u5065\u3084\u304b\u306a\u6210\u9577\u3092\u7948\u9858\u3057\u5404\u7a2e\u306e\u884c\u4e8b\u3092\u884c\u3046\u98a8\u7fd2\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u79c1\u3082\u7537\u5b50\u306e\u5065\u3084\u304b\u306a\u6210\u9577\u3092\u7948\u9858\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d44\u3080\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eca\u3055\u3089\u3067\u3059\u304c\u3001J2SE5.0 \u3067\u8ffd\u52a0\u3055\u308c\u305f java.util.concurrent.Semaphore \u3092\u3064\u304b\u3063\u3066<strike>\u3075\u3056\u3051\u305f<\/strike> \u5922\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u7d44\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u7537\u5b50\u306e\u5065\u3084\u304b\u306a\u6210\u9577\u306b\u306f\u7d20\u6575\u306a\u5973\u6027\u3068\u306e\u51fa\u4f1a\u3044\u306f\u5fc5\u8981\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p>\u3060\u304b\u3089\uff14\u4eba\u306e\u7d20\u6575\u306a\u5973\u6027\u306b\u30c7\u30fc\u30c8\u306b\u8a98\u308f\u308c\u308b\u3068\u8a00\u3046\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u4f53\u306f\u4e00\u3064\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u4e00\u5ea6\u306b\uff14\u4eba\u3067\u306f\u53ce\u96c6\u4ed8\u304b\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u606d\u5e73\u3055\u3093\u306b\u30d8\u30eb\u30d7\u3092\u304a\u9858\u3044\u3057\u307e\u3057\u305f\u3002(^_^;)<\/p>\n<p>\u3053\u308c\u3067\u3082\u3001\u7d20\u6575\u306a\u5973\u6027\uff14\u4eba\u306b\u5bfe\u3057\u3066\u7537\u5b50\u306f\u4e8c\u4eba\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3067\u306a\u3093\u3068\u304b\u3059\u308b\u305f\u3081\u306b Semaphore \u3092\u4f7f\u3063\u3066\u4e8c\u7d44\u306e\u30ab\u30c3\u30d7\u30eb\u307e\u3067\u304c\u30c7\u30fc\u30c8\u306b\u51fa\u304b\u3051\u3089\u308c\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b8b\u308a\u306e\u4e8c\u4eba\u306e\u5973\u6027\u306f\u5148\u306b\u51fa\u304b\u3051\u305f\u4e8c\u7d44\u306e\u30ab\u30c3\u30d7\u30eb\u306e\u3069\u3061\u3089\u304b\u7247\u65b9\u304c\u5e30\u3063\u3066\u304d\u305f\u3089\u30c7\u30fc\u30c8\u306b\u51fa\u304b\u3051\u308b\u3068\u3044\u3046\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u7537\u5b50\u4e8c\u4eba\u3068\u3044\u3046\u30ea\u30bd\u30fc\u30b9\u306b\u540c\u6642\u30a2\u30af\u30bb\u30b9\u51fa\u6765\u308b\u306e\u306f\u7d20\u6575\u306a\u5973\u6027\u30b9\u30ec\u30c3\u30c9\u4e8c\u3064\u307e\u3067\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u304c Semaphore \u3092\u4f7f\u3048\u3070\u5b9f\u73fe\u3067\u304d\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n<p>Semaphore \u306f\u3056\u3063\u304f\u308a\u8aac\u660e\u3059\u308b\u3068\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3059\u308b\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd\u304b\u4e0d\u53ef\u80fd\u304b\u306e\u3044\u305a\u308c\u304b\u306e\u5024\u3092\u3068\u308b Binary Semaphore \u3068<\/p>\n<p>\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30ea\u30bd\u30fc\u30b9\u6570\u3092\u4efb\u610f\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b Counting Semaphore \u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Java \u3067\u63a1\u7528\u3055\u308c\u305f Semaphore \u306f Counting Semaphore \u306b\u3042\u305f\u308a\u307e\u3059\u3002<\/p>\n<p>\u6709\u9650\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u4e26\u884c\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30b9\u30ec\u30c3\u30c9\u6570\u3092\u81ea\u7531\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u7d44\u3080\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3046\u3063\u3066\u3064\u3051\u306e\u512a\u308c\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002(^_^)<\/p>\n<p><pre title=\"Guy.java\" mark=\"17,23,33\">\r\npackage jp.yucchi.playboy;\r\n\r\nimport java.util.concurrent.Semaphore;\r\nimport java.util.concurrent.locks.ReentrantLock;\r\nimport java.util.logging.Level;\r\nimport java.util.logging.Logger;\r\n\r\n\/**\r\n *\r\n * @author Yucchi\r\n *\/\r\nclass Guy {\r\n\r\n    private final String[] guys = {\"\u3086\u3063\u3061\", \"\u606d\u5e73\"};\r\n    private final int MAX_AVAILABLE = guys.length;\r\n    private final boolean[] played = new boolean[MAX_AVAILABLE];\r\n    private final Semaphore semaphore = new Semaphore(MAX_AVAILABLE, true); \/\/ \u516c\u5e73\u6027\u3042\u308a\r\n\/\/    private final Semaphore semaphore = new Semaphore(MAX_AVAILABLE); \/\/ \u516c\u5e73\u6027\u306a\u3057\r\n\r\n    String getGuyName() {\r\n        System.out.println(\"\u5f85\u3063\u3066\u3044\u308b\u306e\u306f\u3001\" + Thread.currentThread().getName());\r\n        try {\r\n            semaphore.acquire();\r\n            System.out.println(\"\u4eca\u304b\u3089\u30c7\u30fc\u30c8\u306b\u884c\u304f\u306e\u306f\u3001\" + Thread.currentThread().getName());\r\n        } catch (InterruptedException ex) {\r\n            Logger.getLogger(Guy.class.getName()).log(Level.SEVERE, null, ex);\r\n        }\r\n        return getGuy();\r\n    }\r\n\r\n    void byeGuy(String guysName) {\r\n        if (isplayed(guysName)) {\r\n            semaphore.release();\r\n        }\r\n    }\r\n\r\n    \/\/ ReentrantLock \u3092\u4f7f\u3046\u5834\u5408\r\n    ReentrantLock lock = new ReentrantLock(true); \/\/ \u516c\u5e73\u6027\u3042\u308a\r\n\r\n    private String getGuy() {\r\n        try {\r\n            lock.lock();\r\n            for (int i = 0; i < MAX_AVAILABLE; i++) {\r\n                if (!played[i]) {\r\n                    played[i] = true;\r\n                    return guys[i];\r\n                }\r\n            }\r\n        } finally {\r\n            lock.unlock();\r\n        }\r\n        return null;\r\n    }\r\n\r\n    private boolean isplayed(String guysName) {\r\n        try {\r\n            lock.lock();\r\n            for (int i = 0; i < MAX_AVAILABLE; i++) {\r\n                if (guys[i].equals(guysName)) {\r\n                    if (played[i]) {\r\n                        played[i] = false;\r\n                        return true;\r\n                    } else {\r\n                        return false;\r\n                    }\r\n                }\r\n            }\r\n        } finally {\r\n            lock.unlock();\r\n        }\r\n        return false;\r\n    }\r\n\r\n\/\/    \/\/ synchronized \u3092\u4f7f\u3046\u5834\u5408\r\n\/\/    private synchronized String getGuy() {\r\n\/\/        for (int i = 0; i < MAX_AVAILABLE; i++) {\r\n\/\/            if (!played[i]) {\r\n\/\/                played[i] = true;\r\n\/\/                return guys[i];\r\n\/\/            }\r\n\/\/        }\r\n\/\/        return null;\r\n\/\/    }\r\n\/\/\r\n\/\/    private synchronized boolean isplayed(String guysName) {\r\n\/\/        for (int i = 0; i < MAX_AVAILABLE; i++) {\r\n\/\/            if (guys[i].equals(guysName)) {\r\n\/\/                if (played[i]) {\r\n\/\/                    played[i] = false;\r\n\/\/                    return true;\r\n\/\/                } else {\r\n\/\/                    return false;\r\n\/\/                }\r\n\/\/            }\r\n\/\/        }\r\n\/\/        return false;\r\n\/\/    }\r\n}\r\n\r\n<\/pre>\n<pre title=\"Lovers.java\">\r\npackage jp.yucchi.playboy;\r\n\r\nimport java.security.SecureRandom;\r\nimport java.util.Random;\r\nimport java.util.concurrent.TimeUnit;\r\nimport java.util.logging.Level;\r\nimport java.util.logging.Logger;\r\n\r\n\/**\r\n *\r\n * @author Yucchi\r\n *\/\r\nclass Lovers {\r\n\r\n    private final String loversName;\r\n    private final Guy guy;\r\n\r\n    Lovers(String loversName, Guy guyName) {\r\n        this.loversName = loversName;\r\n        this.guy = guyName;\r\n    }\r\n\r\n    void play() {\r\n        Thread.currentThread().setName(loversName);\r\n        try {\r\n            Random random = new SecureRandom();\r\n            String guysName = guy.getGuyName();\r\n            System.out.println(loversName + \" \u306f \" + guysName + \" \u3068\u30c7\u30fc\u30c8\u306b\u884c\u304d\u307e\u3057\u305f\u3002\");\r\n            TimeUnit.SECONDS.sleep(random.nextInt(7));\r\n            guy.byeGuy(guysName);\r\n            System.out.println(loversName + \" \u306f \" + guysName + \" \u3068\u30c7\u30fc\u30c8\u304b\u3089\u5e30\u3063\u3066\u304d\u307e\u3057\u305f\u3002\");\r\n\r\n        } catch (InterruptedException ex) {\r\n            Logger.getLogger(Lovers.class.getName()).log(Level.SEVERE, null, ex);\r\n        }\r\n    }\r\n\r\n}\r\n\r\n<\/pre>\n<pre title=\"PlayBoy.java\">\r\npackage jp.yucchi.playboy;\r\n\r\nimport java.lang.management.ManagementFactory;\r\nimport java.util.concurrent.CompletableFuture;\r\nimport java.util.concurrent.ExecutorService;\r\nimport java.util.concurrent.Executors;\r\n\r\n\/**\r\n *\r\n * @author Yucchi\r\n *\/\r\npublic class PlayBoy {\r\n\r\n    public static void main(String[] args) {\r\n\r\n        final int procs = ManagementFactory.getOperatingSystemMXBean().getAvailableProcessors();\r\n        ExecutorService executor = Executors.newFixedThreadPool(procs);\r\n\r\n        Guy guy = new Guy();\r\n        Lovers maki = new Lovers(\"\u5800\u5317\u771f\u5e0c\", guy);\r\n        Lovers yui = new Lovers(\"\u65b0\u57a3\u7d50\u8863\", guy);\r\n        Lovers ayame = new Lovers(\"\u525b\u529b\u5f69\u82bd\", guy);\r\n        Lovers keiko = new Lovers(\"\u5317\u5ddd\u666f\u5b50\", guy);\r\n\r\n        CompletableFuture<Void> lovers1 = CompletableFuture.runAsync(() -> maki.play(), executor);\r\n        CompletableFuture<Void> lovers2 = CompletableFuture.runAsync(() -> yui.play(), executor);\r\n        CompletableFuture<Void> lovers3 = CompletableFuture.runAsync(() -> ayame.play(), executor);\r\n        CompletableFuture<Void> lovers4 = CompletableFuture.runAsync(() -> keiko.play(), executor);\r\n\r\n        CompletableFuture<Void> allTask = CompletableFuture.allOf(lovers1, lovers2, lovers3, lovers4);\r\n        allTask.join();\r\n\r\n        if (allTask.isDone()) {\r\n            executor.shutdownNow();\r\n            System.out.println(\"(\u25cb\uff65\u03c9\uff65)\uff89-------- Are you happy? --------\");\r\n        }\r\n    }\r\n\r\n}\r\n\r\n<\/pre>\n<\/p>\n<p>17 \u884c\u76ee\u3067 Semaphore \u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5f15\u6570\u306f\u30d1\u30fc\u30df\u30c3\u30c8\u6570\u3068\u516c\u5e73\u6027\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u30d1\u30fc\u30df\u30c3\u30c8\u6570\u306f\u30ea\u30bd\u30fc\u30b9\u6570\u3068\u540c\u3058 2 \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u516c\u5e73\u6027\u306f API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u898b\u308b\u3068\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5834\u5408\u306f\u512a\u3057\u3044\u79c1\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3088\u308a\u5e73\u7b49\u6027\u3092\u91cd\u8996\u3057\u3066 true \u3068\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308b\u3068<\/p>\n<p><font color=\"#666666\">\u3053\u306e\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u516c\u5e73\u6027\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002<br \/>false\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u3053\u306e\u30af\u30e9\u30b9\u306f\u30b9\u30ec\u30c3\u30c9\u304c\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u9806\u5e8f\u306b\u3064\u3044\u3066\u4fdd\u8a3c\u3057\u307e\u305b\u3093\u3002<br \/>\u7279\u306b\u3001\u30d0\u30fc\u30b8(barging)\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\u3064\u307e\u308a\u3001acquire()\u3092\u547c\u3073\u51fa\u3059\u30b9\u30ec\u30c3\u30c9\u306b\u3001\u5f85\u6a5f\u3057\u3066\u3044\u305f\u30b9\u30ec\u30c3\u30c9\u3088\u308a\u5148\u306b\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\u8ad6\u7406\u7684\u306b\u306f\u3001\u65b0\u3057\u3044\u30b9\u30ec\u30c3\u30c9\u304c\u3001\u5f85\u6a5f\u4e2d\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u30ad\u30e5\u30fc\u306e\u5148\u982d\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<br \/>\u516c\u5e73\u6027\u304ctrue\u306b\u8a2d\u5b9a\u3055\u308c\u308b\u3068\u3001\u30bb\u30de\u30d5\u30a9\u306f\u3001acquire\u30e1\u30bd\u30c3\u30c9\u306e\u3044\u305a\u308c\u304b\u3092\u547c\u3073\u51fa\u3059\u30b9\u30ec\u30c3\u30c9\u304c\u3001\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u51fa\u3057\u304c\u51e6\u7406\u3055\u308c\u305f\u9806\u5e8f(\u5148\u5165\u308c\u5148\u51fa\u3057\u3001FIFO)\u3067\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u3088\u3046\u306b\u9078\u629e\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<br \/>FIFO\u9806\u5e8f\u4ed8\u3051\u306f\u3001\u5fc5\u7136\u7684\u306b\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u5185\u306e\u7279\u5b9a\u306e\u5185\u90e8\u5b9f\u884c\u30dd\u30a4\u30f3\u30c8\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002<br \/>\u305d\u306e\u305f\u3081\u3001\u3042\u308b\u30b9\u30ec\u30c3\u30c9\u304c\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u3088\u308a\u524d\u306bacquire\u3092\u547c\u3073\u51fa\u3057\u3066\u3082\u3001\u305d\u306e\u30b9\u30ec\u30c3\u30c9\u3088\u308a\u3042\u3068\u306b\u9806\u5e8f\u4ed8\u3051\u30dd\u30a4\u30f3\u30c8\u306b\u5230\u9054\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u307e\u305f\u3001\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u306e\u5fa9\u5e30\u6642\u3082\u540c\u69d8\u3067\u3059\u3002\u307e\u305f\u3001\u6642\u9593\u6307\u5b9a\u306e\u306a\u3044tryAcquire\u30e1\u30bd\u30c3\u30c9\u306f\u516c\u5e73\u6027\u306e\u8a2d\u5b9a\u306b\u5f93\u3044\u307e\u305b\u3093\u304c\u3001\u5229\u7528\u53ef\u80fd\u306a\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u3059\u3079\u3066\u53d6\u5f97\u3059\u308b\u3053\u3068\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <\/font><\/p>\n<p>\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u306f\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3053\u306e\u516c\u5e73\u6027\u306e\u8a2d\u5b9a\u306e\u9055\u3044\u3068\u3044\u3046\u306e\u306f\u89e3\u308a\u306b\u304f\u3044\u306e\u3067\u3059\u304c<\/p>\n<p><b>\u98df\u4e8b\u3059\u308b\u54f2\u5b66\u8005\u306e\u554f\u984c<\/b>\uff08<b>Dining Philosophers Problem<\/b>\uff09\u3092 Semaphore \u3092\u4f7f\u3063\u305f\u7c21\u6613\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d44\u3093\u3067\u307f\u308b\u3068\u3088\u304f\u89e3\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b Semaphore \u304b\u3089\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b acquire() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f 23 \u884c\u76ee\u3067\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>public void acquire() throws InterruptedException \u306f API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><font color=\"#666666\">\u3053\u306e\u30bb\u30de\u30d5\u30a9\u304b\u3089\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u30d1\u30fc\u30df\u30c3\u30c8\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308b\u304b\u3001\u307e\u305f\u306f\u30b9\u30ec\u30c3\u30c9\u304c\u5272\u308a\u8fbc\u307f\u3055\u308c\u308b\u307e\u3067\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002 <br \/>\u30d1\u30fc\u30df\u30c3\u30c8\u304c\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\u306f\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u3066\u3059\u3050\u306b\u5fa9\u5e30\u3059\u308b\u305f\u3081\u3001\u5229\u7528\u53ef\u80fd\u306a\u30d1\u30fc\u30df\u30c3\u30c8\u306e\u6570\u306f1\u3064\u305a\u3064\u6e1b\u308a\u307e\u3059\u3002 <\/font><\/p>\n<p><font color=\"#666666\">\u30d1\u30fc\u30df\u30c3\u30c8\u304c\u5229\u7528\u53ef\u80fd\u3067\u306a\u3044\u5834\u5408\u3001\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u306f\u30b9\u30ec\u30c3\u30c9\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306b\u95a2\u3057\u3066\u7121\u52b9\u306b\u306a\u308a\u3001\u6b21\u306e2\u3064\u306e\u3044\u305a\u308c\u304b\u304c\u8d77\u304d\u308b\u307e\u3067\u5f85\u6a5f\u3057\u307e\u3059\u3002 <br \/>\u2022\u307b\u304b\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u3053\u306e\u30bb\u30de\u30d5\u30a9\u306b\u5bfe\u3057\u3066release()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u6b21\u306b\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u30b9\u30ec\u30c3\u30c9\u306b\u306a\u308b\u3002 <br \/>\u2022\u307b\u304b\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u5272\u308a\u8fbc\u307f\u3092\u884c\u3046\u3002 <\/font><\/p>\n<p><font color=\"#666666\">\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u3001 <br \/>\u2022\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u30a8\u30f3\u30c8\u30ea\u4e0a\u3067\u8a2d\u5b9a\u3055\u308c\u305f\u5272\u8fbc\u307f\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u4fdd\u6301\u3055\u308c\u308b\u304b\u3001 <br \/>\u2022\u30d1\u30fc\u30df\u30c3\u30c8\u306e\u5f85\u6a5f\u4e2d\u306b\u5272\u308a\u8fbc\u307f\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001 <br \/>InterruptedException\u304c\u30b9\u30ed\u30fc\u3055\u308c\u3001\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u5272\u8fbc\u307f\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u30af\u30ea\u30a2\u3055\u308c\u307e\u3059\u3002\u4f8b\u5916:InterruptedException - \u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u5272\u8fbc\u307f\u304c\u767a\u751f\u3057\u305f\u5834\u5408<\/font><\/p>\n<p>\u3053\u308c\u3068\u306f\u5225\u306b\u5f15\u6570\u3067\u53d6\u5f97\u3059\u308b\u30d1\u30fc\u30df\u30c3\u30c8\u6570\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306f\u53d6\u5f97\u3057\u305f\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u89e3\u653e\u3059\u308b release() \u30e1\u30bd\u30c3\u30c9\u3092\u8abf\u3079\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>33 \u884c\u76ee\u3067\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u305f\u3089\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u4fdd\u6301\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u306e\u3067\u89e3\u653e\u3057\u307e\u3059\u3002<\/p>\n<p>public void release() \u306f API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><font color=\"#666666\">\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u89e3\u653e\u3057\u3001\u30bb\u30de\u30d5\u30a9\u306b\u623b\u3057\u307e\u3059\u3002 <br \/>\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u89e3\u653e\u3059\u308b\u3068\u3001\u5229\u7528\u53ef\u80fd\u306a\u30d1\u30fc\u30df\u30c3\u30c8\u306e\u6570\u304c1\u3064\u305a\u3064\u5897\u3048\u307e\u3059\u3002<br \/>\u3044\u304f\u3064\u304b\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u8a66\u307f\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u4e2d\u306e1\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u9078\u629e\u3055\u308c\u3001\u89e3\u653e\u3055\u308c\u305f\u3070\u304b\u308a\u306e\u30d1\u30fc\u30df\u30c3\u30c8\u304c\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002<br \/>\u305d\u306e\u30b9\u30ec\u30c3\u30c9\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306b\u95a2\u3057\u3066(\u3075\u305f\u305f\u3073)\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002 <\/font><\/p>\n<p><font color=\"#666666\">\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u89e3\u653e\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u306f\u3001acquire()\u306e\u547c\u51fa\u3057\u3067\u305d\u306e\u30d1\u30fc\u30df\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u30bb\u30de\u30d5\u30a9\u306e\u9069\u5207\u306a\u4f7f\u7528\u6cd5\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u898f\u7d04\u3067\u78ba\u7acb\u3055\u308c\u307e\u3059\u3002<\/font><\/p>\n<p>\u305f\u3063\u305f\u3053\u308c\u3060\u3051\u3067\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u4e26\u884c\u30b9\u30ec\u30c3\u30c9\u6570\u3092\u5236\u9650\u3067\u304d\u3066\u3057\u307e\u3046\u3093\u3067\u3059\u306d\u3047\u30fb\u30fb\u30fb<\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5f85\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u5800\u5317\u771f\u5e0c<br \/>\u5f85\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u5317\u5ddd\u666f\u5b50<br \/>\u5f85\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u65b0\u57a3\u7d50\u8863<br \/>\u5f85\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u525b\u529b\u5f69\u82bd<br \/>\u4eca\u304b\u3089\u30c7\u30fc\u30c8\u306b\u884c\u304f\u306e\u306f\u3001\u5317\u5ddd\u666f\u5b50<br \/>\u4eca\u304b\u3089\u30c7\u30fc\u30c8\u306b\u884c\u304f\u306e\u306f\u3001\u5800\u5317\u771f\u5e0c<br \/>\u5317\u5ddd\u666f\u5b50 \u306f \u3086\u3063\u3061 \u3068\u30c7\u30fc\u30c8\u306b\u884c\u304d\u307e\u3057\u305f\u3002<br \/>\u5800\u5317\u771f\u5e0c \u306f \u606d\u5e73 \u3068\u30c7\u30fc\u30c8\u306b\u884c\u304d\u307e\u3057\u305f\u3002<br \/>\u5317\u5ddd\u666f\u5b50 \u306f \u3086\u3063\u3061 \u3068\u30c7\u30fc\u30c8\u304b\u3089\u5e30\u3063\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\u4eca\u304b\u3089\u30c7\u30fc\u30c8\u306b\u884c\u304f\u306e\u306f\u3001\u65b0\u57a3\u7d50\u8863<br \/>\u65b0\u57a3\u7d50\u8863 \u306f \u3086\u3063\u3061 \u3068\u30c7\u30fc\u30c8\u306b\u884c\u304d\u307e\u3057\u305f\u3002<br \/>\u65b0\u57a3\u7d50\u8863 \u306f \u3086\u3063\u3061 \u3068\u30c7\u30fc\u30c8\u304b\u3089\u5e30\u3063\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\u4eca\u304b\u3089\u30c7\u30fc\u30c8\u306b\u884c\u304f\u306e\u306f\u3001\u525b\u529b\u5f69\u82bd<br \/>\u525b\u529b\u5f69\u82bd \u306f \u3086\u3063\u3061 \u3068\u30c7\u30fc\u30c8\u306b\u884c\u304d\u307e\u3057\u305f\u3002<br \/>\u525b\u529b\u5f69\u82bd \u306f \u3086\u3063\u3061 \u3068\u30c7\u30fc\u30c8\u304b\u3089\u5e30\u3063\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\u5800\u5317\u771f\u5e0c \u306f \u606d\u5e73 \u3068\u30c7\u30fc\u30c8\u304b\u3089\u5e30\u3063\u3066\u304d\u307e\u3057\u305f\u3002<br \/>(\u25cb\uff65\u03c9\uff65)\uff89-------- Are you happy? --------<\/p>\n<p>\u3055\u3066\u3001\u7591\u3044\u6df1\u3044\u79c1\u306f NetBeans \u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30e9\u3067\u30b9\u30ec\u30c3\u30c9\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u3002\uff08 \u6ce8\u610f\uff1a\u5148\u307b\u3069\u306e\u5b9f\u884c\u7d50\u679c\u3068\u306f\u3053\u3068\u306a\u308a\u307e\u3059\u3002\uff09<\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2015\/05\/1a.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"1a\" style=\"border-left-width: 0px; border-right-width: 0px; background-image: none; border-bottom-width: 0px; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-top-width: 0px\" border=\"0\" alt=\"1a\" src=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2015\/05\/1a_thumb.png\" width=\"539\" height=\"214\"><\/a><\/p>\n<p>\u671f\u5f85\u901a\u308a\u306e\u52d5\u304d\u3092\u3057\u3066\u304f\u308c\u3066\u307e\u3059\u3002(^_^)\u3000NetBeans \u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30a2\u624b\u8efd\u306b\u4f7f\u3048\u3066\u4fbf\u5229\u3060\u306d\u3002<\/p>\n<p>Semaphore \u4f7f\u3048\u308b\u826f\u3044\u5a18\u3058\u3083\u306a\u3044\u304b\uff01<\/p>\n<p>\u3082\u3057\u3001\u3042\u306a\u305f\u304c \u606d\u5e73\u3055\u3093 \u306b\u7d20\u6575\u306a\u5973\u6027\u3068\u30c7\u30fc\u30c8\u3055\u305b\u305a\u306b\u5168\u3066\u306e\u5973\u6027\u3092\u72ec\u308a\u5360\u3081\u3057\u305f\u3044\u3068\u3057\u305f\u3089\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3069\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u305f\u3089\u3044\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u7b54\u3048\u306f\u7c21\u5358\u3067\u3059\u306d\uff01<\/p>\n<p>\u79c1\u306f\u30d8\u30eb\u30d7\u3092\u983c\u3093\u3060 \u606d\u5e73\u3055\u3093 \u306b\u60aa\u3044\u306e\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5909\u66f4\u306f\u3044\u305f\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u3069\u3046\u3057\u3066\u3082\u3068\u3044\u3046\u304b\u305f\u306f\u3054\u81ea\u7531\u306b\u3002(^_^;)<\/p>\n<p>\u3061\u306a\u307f\u306b\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f <\/p>\n<p>CompletableFuture&lt;Void&gt; lovers1 = CompletableFuture.runAsync(() -&gt; maki.play(), executor);<\/p>\n<p>\u3068\u3057\u3066 ExecutorService \u3092\u4f7f\u3044\u307e\u3057\u305f\u304c<\/p>\n<p>CompletableFuture&lt;Void&gt; lovers1 = CompletableFuture.runAsync(() -&gt; maki.play());<\/p>\n<p>\u3068\u3057\u3066 Fork\/Join Framework<em> \u3092\u4f7f\u3046\u306e\u3082\u3042\u308a\u3067\u3059\u3002<\/em><\/p>\n<p><em>\u3053\u3069\u3082\u306e\u65e5\u306e\u4f11\u65e5\u30b9\u30da\u30b7\u30e3\u30eb\u306f\u3053\u308c\u3067\u304a\u7d42\u3044\u3067\u3059\u3002<\/em><\/p>\n<p><b>\u98df\u4e8b\u3059\u308b\u54f2\u5b66\u8005\u306e\u554f\u984c<\/b>\uff08<b>Dining Philosophers Problem<\/b>\uff09\u306b\u7d9a\u304f\u3000<font size=\"1\">\u304b\u3082\uff1f<\/font><\/p>\n<div id=\"scid:0767317B-992E-4b12-91E0-4F059A8CECA8:e59a463d-a45b-4f04-bbdf-bbbc308b8a67\" class=\"wlWriterEditableSmartContent\" style=\"float: none; padding-bottom: 0px; padding-top: 0px; padding-left: 0px; margin: 0px; display: inline; padding-right: 0px\">Hatena \u30bf\u30b0: <a href=\"http:\/\/b.hatena.ne.jp\/t\/Java\" rel=\"tag\">Java<\/a>,<a href=\"http:\/\/b.hatena.ne.jp\/t\/NetBeans\" rel=\"tag\">NetBeans<\/a><\/div>\n<div class='wp_social_bookmarking_light'>\n            <div class=\"wsbl_hatena\"><a href='\/\/b.hatena.ne.jp\/add?mode=confirm&url=http%3A%2F%2Fyucchi.jp%2Fblog%2F%3Fp%3D2017&title=Semaphore%20%E3%81%A7%E9%81%8A%E3%81%B6' title='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' rel=nofollow class='wp_social_bookmarking_light_a' target=_blank><img src='http:\/\/yucchi.jp\/blog\/wp-content\/plugins\/wp-social-bookmarking-light\/public\/images\/hatena.gif' alt='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' title='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' width='16' height='12' class='wp_social_bookmarking_light_img' \/><\/a><\/div>\n            <div class=\"wsbl_facebook\"><a href='http:\/\/www.facebook.com\/share.php?u=http%3A%2F%2Fyucchi.jp%2Fblog%2F%3Fp%3D2017&t=Semaphore%20%E3%81%A7%E9%81%8A%E3%81%B6' title='Facebook \u306b\u30b7\u30a7\u30a2' rel=nofollow class='wp_social_bookmarking_light_a' target=_blank><img src='http:\/\/yucchi.jp\/blog\/wp-content\/plugins\/wp-social-bookmarking-light\/public\/images\/facebook.png' alt='Facebook \u306b\u30b7\u30a7\u30a2' title='Facebook \u306b\u30b7\u30a7\u30a2' width='16' height='16' class='wp_social_bookmarking_light_img' \/><\/a><\/div>\n            <div class=\"wsbl_google_plus_one\"><g:plusone size=\"medium\" annotation=\"none\" href=\"http:\/\/yucchi.jp\/blog\/?p=2017\" ><\/g:plusone><\/div>\n            <div class=\"wsbl_twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"http:\/\/yucchi.jp\/blog\/?p=2017\" data-text=\"Semaphore \u3067\u904a\u3076\" data-lang=\"ja\">Tweet<\/a><\/div>\n    <\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>\u65e9\u3044\u3082\u306e\u3067\u4eca\u65e5\u306f\u4e94\u6708\u4e94\u65e5 \u3053\u3069\u3082\u306e\u65e5\u3067\u3059\u3002 \u795d\u65e5\u6cd52\u6761\u306b\u3088\u308c\u3070\u3001\u300c\u3053\u3069\u3082\u306e\u4eba\u683c\u3092\u91cd\u3093\u3058\u3001\u3053\u3069\u3082\u306e\u5e78\u798f\u3092\u306f\u304b\u308b\u3068\u3068\u3082\u306b\u3001\u6bcd\u306b\u611f\u8b1d\u3059\u308b\u300d\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 5\u67085\u65e5\u306f\u53e4\u6765\u304b\u3089\u7aef\u5348\u306e\u7bc0\u53e5\u3068\u3057\u3066\u65e5\u672c\u3067\u306f\u7537\u5b50\u306e\u5065\u3084\u304b\u306a\u6210\u9577\u3092\u7948\u9858\u3057\u5404\u7a2e\u306e\u884c\u4e8b\u3092\u884c\u3046\u98a8\u7fd2\u304c\u3042\u308a\u307e\u3059\u3002 \u3068\u3044\u3046\u3053\u3068\u3067\u3001\u79c1\u3082\u7537\u5b50\u306e\u5065\u3084\u304b\u306a\u6210\u9577\u3092\u7948\u9858\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d44\u3080\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002 \u4eca\u3055\u3089\u3067\u3059\u304c\u3001J2SE5.0 \u3067\u8ffd\u52a0\u3055\u308c\u305f java.util.concurrent.Semaphore \u3092\u3064\u304b\u3063\u3066\u3075\u3056\u3051\u305f \u5922\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u7d44\u307f\u307e\u3057\u305f\u3002 \u7537\u5b50\u306e\u5065\u3084\u304b\u306a\u6210\u9577\u306b\u306f\u7d20\u6575\u306a\u5973\u6027\u3068\u306e\u51fa\u4f1a\u3044\u306f\u5fc5\u8981\u4e0d\u53ef\u6b20\u3067\u3059\u3002 \u3060\u304b\u3089\uff14\u4eba\u306e\u7d20\u6575\u306a\u5973\u6027\u306b\u30c7\u30fc\u30c8\u306b\u8a98\u308f\u308c\u308b\u3068\u8a00\u3046\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[17,19],"class_list":["post-2017","post","type-post","status-publish","format-standard","hentry","category-java","category-netbeans","tag-java","tag-netbeans"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2017"}],"version-history":[{"count":3,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2017\/revisions"}],"predecessor-version":[{"id":2021,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2017\/revisions\/2021"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2017"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}