{"id":9570,"date":"2023-11-28T21:06:25","date_gmt":"2023-11-28T13:06:25","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=9570"},"modified":"2023-11-28T21:06:29","modified_gmt":"2023-11-28T13:06:29","slug":"java-zhong-cyclicbarrier-he-countdownlatch-de-qu-b","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhong-cyclicbarrier-he-countdownlatch-de-qu-b\/","title":{"rendered":"Java \u4e2d CyclicBarrier \u548c CountDownLatch \u7684\u533a\u522b\uff1f"},"content":{"rendered":"<p>CountDownLatch:<\/p>\n<p>CountDownLatch\u662f\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u591a\u7ebf\u7a0b\u63a7\u5236\u5de5\u5177\u7c7b\uff0c\u79f0\u4e4b\u4e3a\u201c\u5012\u8ba1\u65f6\u5668\u201d\uff0c\u5b83\u5141\u8bb8\u4e00\u4e2a\u6216 \u591a\u4e2a\u7ebf\u7a0b\u4e00\u76f4\u7b49\u5f85\uff0c\u76f4\u5230\u5176\u4ed6\u7ebf\u7a0b\u7684\u64cd\u4f5c\u6267\u884c\u5b8c\u540e\u518d\u6267\u884c\uff0cCountDownLatch\u662f\u901a\u8fc7\u4e00\u4e2a\u8ba1\u6570 \u5668\u6765\u5b9e\u73b0\u7684\uff0c\u8ba1\u6570\u5668\u7684\u521d\u59cb\u503c\u4e3a\u7ebf\u7a0b\u7684\u6570\u91cf\u3002\u6bcf\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u5b8c\u6210\u4e86\u81ea\u5df1\u7684\u4efb\u52a1\u540e\uff0c\u8ba1\u6570\u5668\u7684\u503c \u5c31\u4f1a\u51cf1\u3002\u5f53\u8ba1\u6570\u5668\u503c\u5230\u8fbe0\u65f6\uff0c\u5b83\u8868\u793a\u6240\u6709\u7684\u7ebf\u7a0b\u5df2\u7ecf\u5b8c\u6210\u4e86\u4efb\u52a1\uff0c\u7136\u540e\u5728\u95ed\u9501\u4e0a\u7b49\u5f85\u7684\u7ebf \u7a0b\u5c31\u53ef\u4ee5\u6062\u590d\u6267\u884c\u4efb\u52a1\u3002<br \/>\nCyclicBarrier\uff1a<br \/>\nCyclicBarrier\u7684\u5b57\u9762\u610f\u601d\u662f\u53ef\u5faa\u73af\u4f7f\u7528\uff08Cyclic\uff09\u7684\u5c4f\u969c\uff08Barrier\uff09\u3002\u5b83\u8981\u505a\u7684\u4e8b\u60c5\u662f\uff0c \u8ba9\u4e00\u7ec4\u7ebf\u7a0b\u5230\u8fbe\u4e00\u4e2a\u5c4f\u969c\uff08\u4e5f\u53ef\u4ee5\u53eb\u540c\u6b65\u70b9\uff09\u65f6\u88ab\u963b\u585e\uff0c\u76f4\u5230\u6700\u540e\u4e00\u4e2a\u7ebf\u7a0b\u5230\u8fbe\u5c4f\u969c\u65f6\uff0c\u5c4f\u969c \u624d\u4f1a\u5f00\u95e8\uff0c\u6240\u6709\u88ab\u5c4f\u969c\u62e6\u622a\u7684\u7ebf\u7a0b\u624d\u4f1a\u7ee7\u7eed\u5e72\u6d3b\u3002\u8fd9\u4e2a\u5c4f\u969c\u4e4b\u6240\u4ee5\u7528\u5faa\u73af\u4fee\u9970\uff0c\u662f\u56e0\u4e3a\u5728\u6240\u6709 \u7684\u7ebf\u7a0b\u91ca\u653e\u5f7c\u6b64\u4e4b\u540e\uff0c\u8fd9\u4e2a\u5c4f\u969c\u662f\u53ef\u4ee5\u91cd\u65b0\u4f7f\u7528\u7684\uff08reset()\u65b9\u6cd5\u91cd\u7f6e\u5c4f\u969c\u70b9\uff09\uff0c\u8fd9\u4e00\u70b9\u4e0e CountDownLatch \u4e0d\u540c\u3002<br \/>\n\u4e24\u8005\u533a\u522b\uff1a<br \/>\n1\u3001\tCountDownLatch\u7b80\u5355\u7684\u8bf4\u5c31\u662f\u4e00\u4e2a\u7ebf\u7a0b\u7b49\u5f85\uff0c\u76f4\u5230\u4ed6\u6240\u7b49\u5f85\u7684\u5176\u4ed6\u7ebf\u7a0b\u90fd\u6267\u884c\u5b8c\u6210\u5e76\u4e14 \u8c03\u7528countDown()\u65b9\u6cd5\u53d1\u51fa\u901a\u77e5\u540e\uff0c\u5f53\u524d\u7ebf\u7a0b\u624d\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u3002<br \/>\n2\u3001\tCyclicBarrier\u662f\u6240\u6709\u7ebf\u7a0b\u90fd\u8fdb\u884c\u7b49\u5f85\uff0c\u76f4\u5230\u6240\u6709\u7ebf\u7a0b\u90fd\u51c6\u5907\u597d\u8fdb\u5165await()\u65b9\u6cd5\u4e4b\u540e\uff0c \u6240\u6709\u7ebf\u7a0b\u540c\u65f6\u5f00\u59cb\u6267\u884c\uff01<br \/>\n3\u3001\tCountDownLatch\u7684\u8ba1\u6570\u5668\u53ea\u80fd\u4f7f\u7528\u4e00\u6b21\u3002\u800cCyclicBarrier\u7684\u8ba1\u6570\u5668\u53ef\u4ee5\u4f7f\u7528reset()\u65b9 \u6cd5\u91cd\u7f6e\u3002\u6240\u4ee5CyclicBarrier\u80fd\u5904\u7406\u66f4\u4e3a\u590d\u6742\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u6bd4\u5982\u5982\u679c\u8ba1\u7b97\u53d1\u751f\u9519\u8bef\uff0c\u53ef\u4ee5\u91cd\u7f6e \u8ba1\u6570\u5668\uff0c\u5e76\u8ba9\u7ebf\u7a0b\u4eec\u91cd\u65b0\u6267\u884c\u4e00\u6b21\u3002<br \/>\n4\u3001\tCyclicBarrier\u8fd8\u63d0\u4f9b\u5176\u4ed6\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u6bd4\u5973\u53e3 getNumberWaiting\u65b9\u6cd5\u53ef\u4ee5\u83b7\u5f97 CyclicBarrier\u963b\u585e\u7684\u7ebf\u7a0b\u6570\u91cf\u3002isBroken\u65b9\u6cd5\u7528\u6765\u77e5\u9053\u963b\u585e\u7684\u7ebf\u7a0b\u662f\u5426\u88ab\u4e2d\u65ad\u3002\u5982\u679c\u88ab\u4e2d\u65ad \u8fd4\u56detrue,\u5426\u5219\u8fd4\u56defalse\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CountDownLatch: CountDownLatch\u662f\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u591a\u7ebf\u7a0b\u63a7\u5236\u5de5\u5177\u7c7b\uff0c\u79f0\u4e4b\u4e3a\u201c\u5012\u8ba1\u65f6\u5668 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[],"class_list":["post-9570","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9570","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\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=9570"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9570\/revisions"}],"predecessor-version":[{"id":9571,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9570\/revisions\/9571"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=9570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=9570"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=9570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}