{"id":8703,"date":"2023-11-28T20:36:51","date_gmt":"2023-11-28T12:36:51","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8703"},"modified":"2023-11-28T20:36:57","modified_gmt":"2023-11-28T12:36:57","slug":"java-zhongreadwritelock-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhongreadwritelock-shi-shen-me\/","title":{"rendered":"Java\u4e2dReadWriteLock\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>ReadWriteLock\u7ba1\u7406\u4e00\u7ec4\u9501\uff0c\u4e00\u4e2a\u662f\u53ea\u8bfb\u7684\u9501\uff0c\u4e00\u4e2a\u662f\u5199\u9501\u3002\u8bfb\u9501\u53ef\u4ee5\u5728\u6ca1\u6709\u5199\u9501\u7684\u65f6\u5019\u88ab\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6301\u6709\uff0c\u5199\u9501\u662f\u72ec\u5360\u7684\u3002<br \/>\n\u6240\u6709\u8bfb\u5199\u9501\u7684\u5b9e\u73b0\u5fc5\u987b\u786e\u4fdd\u5199\u64cd\u4f5c\u5bf9\u8bfb\u64cd\u4f5c\u7684\u5185\u5b58\u5f71\u54cd\u3002\u6362\u53e5\u8bdd\u8bf4\u4e00\u4e2a\u83b7\u5f97\u4e86\u8bfb\u9501\u7684\u7ebf\u7a0b\u5fc5\u987b\u80fd\u770b\u5230\u524d\u4e00\u4e2a\u91ca\u653e\u7684\u5199\u9501\u6240\u66f4\u65b0\u7684\u5185\u5bb9\u3002<br \/>\n\u8bfb\u5199\u9501\u6bd4\u4e92\u65a5\u9501\u5141\u8bb8\u5bf9\u4e8e\u5171\u4eab\u6570\u636e\u66f4\u5927\u7a0b\u5ea6\u7684\u5e76\u53d1\u3002\u6bcf\u6b21\u53ea\u80fd\u6709\u4e00\u4e2a\u5199\u7ebf\u7a0b\uff0c\u4f46\u662f\u540c\u65f6\u53ef\u4ee5\u6709\u591a\u4e2a\u7ebf\u7a0b\u5e76\u53d1\u5730\u8bfb\u6570\u636e\u3002ReadWriteLock\u9002\u7528\u4e8e\u8bfb\u591a\u5199\u5c11\u7684\u5e76\u53d1\u60c5\u51b5\u3002<br \/>\nJava\u5e76\u53d1\u5305\u4e2dReadWriteLock\u662f\u4e00\u4e2a\u63a5\u53e3,\u4e3b\u8981\u6709\u4e24\u4e2a\u65b9\u6cd5\uff0c\u5982\u4e0b:<br \/>\npublic interface ReadWriteLock{<br \/>\n\/**<br \/>\n<em>\u8fd4\u56de\u8bfb\u9501<br \/>\n<em>\/<br \/>\nLock readLock();<br \/>\n\/<\/em><\/em><br \/>\n*\u8fd4\u56de\u5199\u9501<br \/>\n*\/<br \/>\nLock writeLock();<br \/>\n}<br \/>\nJava\u5e76\u53d1\u5e93\u4e2dReetrantReadWriteLock\u5b9e\u73b0\u4e86ReadWriteLock\u63a5\u53e3\u5e76\u6dfb\u52a0\u4e86\u53ef\u91cd\u5165\u7684\u7279\u6027\u3002<br \/>\nReentrantReadWriteLock\u6709\u5982\u4e0b\u7279\u6027:<br \/>\n\u83b7\u53d6\u987a\u5e8f<br \/>\n\u975e\u516c\u5e73\u6a21\u5f0f(\u9ed8\u8ba4)<br \/>\n\u5f53\u4ee5\u975e\u516c\u5e73\u521d\u59cb\u5316\u65f6,\u8bfb\u9501\u548c\u5199\u9501\u7684\u83b7\u53d6\u7684\u987a\u5e8f\u662f\u4e0d\u786e\u5b9a\u7684\u3002\u975e\u516c\u5e73\u9501\u4e3b\u5f20\u7ade\u4e89\u83b7\u53d6\uff0c\u53ef\u80fd\u4f1a\u5ef6\u7f13\u4e00\u4e2a\u6216\u591a\u4e2a\u8bfb\u6216\u5199\u7ebf\u7a0b\uff0c\u4f46\u662f\u4f1a\u6bd4\u516c\u5e73\u9501\u6709\u66f4\u9ad8\u7684\u541e\u5410\u91cf\u3002<br \/>\n\u516c\u5e73\u6a21\u5f0f<br \/>\n\u5f53\u4ee5\u516c\u5e73\u6a21\u5f0f\u521d\u59cb\u5316\u65f6\uff0c\u7ebf\u7a0b\u5c06\u4f1a\u4ee5\u961f\u5217\u7684\u987a\u5e8f\u83b7\u53d6\u9501\u3002\u5f53\u5f53\u524d\u7ebf\u7a0b\u91ca\u653e\u9501\u540e\uff0c\u7b49\u5f85\u65f6\u95f4\u6700\u957f\u7684\u5199\u9501\u7ebf\u7a0b\u5c31\u4f1a\u88ab\u5206\u914d\u5199\u9501;\u6216\u8005\u6709\u4e00\u7ec4\u8bfb\u7ebf\u7a0b\u7ec4\u7b49\u5f85\u65f6\u95f4\u6bd4\u5199\u7ebf\u7a0b\u957f,\u90a3\u4e48\u8fd9\u7ec4\u8bfb\u7ebf\u7a0b\u7ec4\u5c06\u4f1a\u88ab\u5206\u914d\u8bfb\u9501\u3002<br \/>\n\u5f53\u6709\u5199\u7ebf\u7a0b\u6301\u6709\u5199\u9501\u6216\u8005\u6709\u7b49\u5f85\u7684\u5199\u7ebf\u7a0b\u65f6\uff0c\u4e00\u4e2a\u5c1d\u8bd5\u83b7\u53d6\u516c\u5e73\u7684\u8bfb\u9501\uff08\u975e\u91cd\u5165\uff09\u7684\u7ebf\u7a0b\u5c31\u4f1a\u963b\u585e\u3002\u8fd9\u4e2a\u7ebf\u7a0b\u76f4\u5230\u7b49\u5f85\u65f6\u95f4\u6700\u957f\u7684\u5199\u9501\u83b7\u5f97\u9501\u540e\u5e76\u91ca\u653e\u6389\u9501\u540e\u624d\u80fd\u83b7\u53d6\u5230\u8bfb\u9501\u3002<br \/>\n\u53ef\u91cd\u5165<br \/>\n\u5141\u8bb8\u8bfb\u9501\u548c\u5199\u9501\u53ef\u91cd\u5165\u3002\u5199\u9501\u53ef\u4ee5\u83b7\u5f97\u8bfb\u9501\uff0c\u8bfb\u9501\u4e0d\u80fd\u83b7\u5f97\u5199\u9501\u3002<br \/>\n\u9501\u964d\u7ea7<br \/>\n\u5141\u8bb8\u5199\u9501\u964d\u4f4e\u4e3a\u8bfb\u9501<br \/>\n\u4e2d\u65ad\u9501\u7684\u83b7\u53d6<br \/>\n\u5728\u8bfb\u9501\u548c\u5199\u9501\u7684\u83b7\u53d6\u8fc7\u7a0b\u4e2d\u652f\u6301\u4e2d\u65ad<br \/>\n\u652f\u6301Condition<br \/>\n\u5199\u9501\u63d0\u4f9bCondition\u5b9e\u73b0<br \/>\n\u76d1\u63a7<br \/>\n\u63d0\u4f9b\u786e\u5b9a\u9501\u662f\u5426\u88ab\u6301\u6709\u7b49\u8f85\u52a9\u65b9\u6cd5<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ReadWriteLock\u7ba1\u7406\u4e00\u7ec4\u9501\uff0c\u4e00\u4e2a\u662f\u53ea\u8bfb\u7684\u9501\uff0c\u4e00\u4e2a\u662f\u5199\u9501\u3002\u8bfb\u9501\u53ef\u4ee5\u5728\u6ca1\u6709\u5199\u9501\u7684\u65f6\u5019\u88ab\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6301\u6709\uff0c [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[99],"tags":[],"class_list":["post-8703","post","type-post","status-publish","format-standard","hentry","category-javabase"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=8703"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8703\/revisions"}],"predecessor-version":[{"id":8704,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8703\/revisions\/8704"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8703"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}