{"id":7535,"date":"2011-07-31T21:00:55","date_gmt":"2011-07-31T12:00:55","guid":{"rendered":"http:\/\/www.sssg.org\/blogs\/hiro345\/?p=7535"},"modified":"2011-08-03T07:51:44","modified_gmt":"2011-08-02T22:51:44","slug":"java-timer%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/7535.html","title":{"rendered":"Java Timer\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"

\u3075\u3068\u3001Java Timer\u30af\u30e9\u30b9\u3068\u3044\u3046\u306e\u304c\u3042\u3063\u305f\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u3001\u78ba\u8a8d\u3002<\/p>\n

\u4f7f\u3044\u65b9\u306f\u6b21\u306e\u3088\u3046\u306a\u611f\u3058\u3002Thread\u3092\u76f4\u63a5\u4f7f\u3046\u3088\u308a\u308f\u304b\u308a\u3084\u3059\u3044\u3068\u3044\u3048\u3070\u308f\u304b\u308a\u3084\u3059\u3044\u3002scheduleAtFixedRate()\u306e\u4ed6\u306bschedule()\u3082\u3042\u308b\u304c\u3001\u540c\u3058\u9593\u9694\u3067\u5b9f\u884c\u3057\u305f\u3044\u5834\u5408\u306f\u524d\u8005\u3092\u4f7f\u3046\u3002\u3042\u308b\u51e6\u7406\u3092\u3057\u3066\u304b\u3089\u4e00\u5b9a\u6642\u9593\u5f85\u6a5f\u3057\u3066\u304b\u3089\u51e6\u7406\u3092\u3057\u305f\u3044\u5834\u5408\u306f\u5f8c\u8005\u3092\u4f7f\u3046\u3002<\/p>\n

\r\npackage org.sssg.soft.sample.timer;\r\n\r\nimport java.util.Timer;\r\nimport java.util.TimerTask;\r\n\r\npublic class SimpleCountDown {\r\n  private final static int INTERVAL = 1000;\r\n  private final static int COUNT = 10;\r\n\r\n  public void run() {\r\n    final Timer timer = new Timer();\r\n    timer.scheduleAtFixedRate(new TimerTask() {\r\n      int i = COUNT;\r\n      public void run() {\r\n        System.out.println(i--);\r\n        if (i < 0) {\r\n          timer.cancel();\r\n        }\r\n      }\r\n    }, 0, INTERVAL);\r\n  }\r\n\r\n  public static void main(final String args[]) {\r\n    SimpleCountDown app = new SimpleCountDown();\r\n    app.run();\r\n  }\r\n}\r\n<\/pre>\n
\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7d42\u4e86\u6642\u70b9\u3067\u3001Timer\u30af\u30e9\u30b9\u306ecancel()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u660e\u793a\u7684\u306b\u7d42\u4e86\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u3061\u306a\u307f\u306bcancel()\u30e1\u30bd\u30c3\u30c9\u306f\u5b9f\u884c\u306e\u4e88\u7d04\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u3066\u7834\u68c4\u3059\u308b\u3060\u3051\u3067\u3001\u5b9f\u884c\u4e2d\u306a\u3089\u51e6\u7406\u306f\u7d99\u7d9a\u3055\u308c\u3066\u3001\u51e6\u7406\u7d42\u4e86\u5f8c\u306b\u7834\u68c4\u3055\u308c\u308b\u3002\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u305f\u3081\u306b\u5fc5\u305a\u6307\u5b9a\u304c\u5fc5\u8981\u306a\u306e\u304c\u6ce8\u610f\u70b9\u3002\u30ad\u30e3\u30f3\u30bb\u30eb\u304c\u305f\u304f\u3055\u3093\u767a\u751f\u3059\u308b\u5834\u5408\u306fpurge()\u30e1\u30bd\u30c3\u30c9\u3082\u4f75\u7528\u3059\u308b\u3068\u3088\u3044\u3002<\/p>\n
Timer(boolean isDaemon) \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u3046\u3068\u3001\u30e6\u30fc\u30b6\u30b9\u30ec\u30c3\u30c9\u3067Timer\u3092\u8d77\u52d5\u3059\u308b\u304b\u3001\u30c7\u30fc\u30e2\u30f3\u30b9\u30ec\u30c3\u30c9\u3067Timer\u3092\u8d77\u52d5\u3059\u308b\u304b\u6307\u5b9a\u3067\u304d\u308b\u3002\u7d42\u4e86\u51e6\u7406\u304c\u78ba\u5b9f\u306b\u5fc5\u8981\u306a\u3089\u30e6\u30fc\u30b6\u30b9\u30ec\u30c3\u30c9\u3067\u8d77\u52d5\u3057\u3001\u30bf\u30b9\u30af\u304c\u30ad\u30e5\u30fc\u306b\u6b8b\u3063\u3066\u3044\u3066\u3082\u7d42\u4e86\u51e6\u7406\u304c\u5fc5\u8981\u306a\u304f\u3066\u7834\u68c4\u3057\u3066\u3088\u3044\u306e\u306a\u3089\u30c7\u30fc\u30e2\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u8d77\u52d5\u3059\u308b\u3002\u624b\u8efd\u306b\u4f7f\u3063\u3066\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u3057\u305f\u304f\u306a\u3044\u306a\u3089\u30c7\u30fc\u30e2\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u3088\u3044\u3060\u308d\u3046\u3002<\/p>\n
\u30b9\u30ec\u30c3\u30c9\u306fTimer\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5358\u4f4d\u3067\u7528\u610f\u3055\u308c\u308b\u306e\u3067\u3001\u8907\u6570\u306eTimerTask\u3092\u540c\u4e00Timer\u3078\u767b\u9332\u3059\u308b\u3068\u30ea\u30bd\u30fc\u30b9\u306e\u7bc0\u7d04\u306b\u306a\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3075\u3068\u3001Java Timer\u30af\u30e9\u30b9\u3068\u3044\u3046\u306e\u304c\u3042\u3063\u305f\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u3001\u78ba\u8a8d\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[1207,547],"class_list":["post-7535","post","type-post","status-publish","format-standard","hentry","category-java","tag-java","tag-timer"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=7535"}],"version-history":[{"count":3,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7535\/revisions"}],"predecessor-version":[{"id":7540,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7535\/revisions\/7540"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=7535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=7535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=7535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}