{"id":135529,"date":"2020-07-21T08:53:25","date_gmt":"2020-07-21T00:53:25","guid":{"rendered":"http:\/\/4563.org\/?p=135529"},"modified":"2020-07-21T08:53:25","modified_gmt":"2020-07-21T00:53:25","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88-concurrenthashmap1-8-%e7%9a%84%e6%89%a9%e5%ae%b9%e6%93%8d%e4%bd%9c%ef%bc%8c%e6%9c%80%e5%90%8e%e4%b8%80%e4%b8%aa%e5%ae%8c%e6%88%90%e4%bb%bb%e5%8a%a1%e7%9a%84%e7%ba%bf","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=135529","title":{"rendered":"\u4e3a\u4ec0\u4e48 ConcurrentHashMap1.8 \u7684\u6269\u5bb9\u64cd\u4f5c\uff0c\u6700\u540e\u4e00\u4e2a\u5b8c\u6210\u4efb\u52a1\u7684\u7ebf\u7a0b\uff0c\u8fd8\u8981\u518d\u626b\u67e5\u4e00\u904d\u6bcf\u4e2a\u54c8\u5e0c\u6876\u5462\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u4e3a\u4ec0\u4e48 ConcurrentHashMap1.8 \u7684\u6269\u5bb9\u64cd\u4f5c\uff0c\u6700\u540e\u4e00\u4e2a\u5b8c\u6210\u4efb\u52a1\u7684\u7ebf\u7a0b\uff0c\u8fd8\u8981\u518d\u626b\u67e5\u4e00\u904d\u6bcf\u4e2a\u54c8\u5e0c\u6876\u5462\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : amiwrong123 <\/span>  <span><i><\/i> 4<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<pre><code>            if (i &lt; 0 || i &gt;= n || i + n &gt;= nextn) {                 int sc;                 if (finishing) {                     nextTable = null;                     table = nextTab;                     sizeCtl = (n &lt;&lt; 1) - (n &gt;&gt;&gt; 1);                     return;                 }                 if (U.compareAndSwapInt(this, SIZECTL, sc = sizeCtl, sc - 1)) {                     if ((sc - 2) != resizeStamp(n) &lt;&lt; RESIZE_STAMP_SHIFT)                         return;                     \/\/\u6267\u884c\u5230\u8fd9\u91cc\uff0c\u8bf4\u660e\u5f53\u524d\u7ebf\u7a0b\u662f\u6700\u540e\u4e00\u4e2a\u5f52\u8fd8\u8bb8\u53ef\u7684\u7ebf\u7a0b                     finishing = advance = true;\/\/finishing \u4e3a true\uff0c\u518d\u6b21\u626b\u67e5                     i = n; \/\/ \u628a\u904d\u5386\u6307\u9488\u8bbe\u7f6e\u4e3a n\uff0c\u518d\u4ece\u5c3e\u5230\u5934\u626b\u67e5\u4e00\u904d                 }             } <\/code><\/pre>\n<p>transfer \u51fd\u6570\u91cc\u6709\u8fd9\u4e48\u4e00\u6bb5\u4ee3\u7801\uff0c\u5b83\u8ba9\u6700\u540e\u4e00\u4e2a\u5f52\u8fd8 sizeCtl \u7ebf\u7a0b\u6570\u7684\u90a3\u4e2a\u7ebf\u7a0b\u518d\u505a\u4e00\u904d\u626b\u67e5\uff0c\u4f46\u65e2\u7136\u5f53\u524d\u7ebf\u7a0b\u90fd\u5df2\u7ecf\u662f\u6700\u540e\u4e00\u4e2a\u5f52\u8fd8 sizeCtl \u7ebf\u7a0b\u6570\u90a3\u4e2a\u7ebf\u7a0b\uff0c\u8bf4\u660e\u6bcf\u4e2a\u7ebf\u7a0b\u5305\u62ec\u81ea\u5df1\u90fd\u5df2\u7ecf\u5b8c\u6210\u4e86\u81ea\u5df1\u9886\u53d6\u7684 transfer \u4efb\u52a1\u4e86\uff0c\u90a3\u4e0d\u5c31\u6ca1\u5fc5\u8981\u518d\u4ece\u5c3e\u5230\u5934\u626b\u67e5\u4e00\u904d\u4e86\u5417\uff1f<\/p>\n<p>\u8fd8\u662f\u6211\u9057\u6f0f\u4e86\u4ec0\u4e48\u60c5\u51b5<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48 ConcurrentHas&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/135529"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135529"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/135529\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135529"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}