{"id":37496,"date":"2023-12-11T14:41:41","date_gmt":"2023-12-11T06:41:41","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=37496"},"modified":"2023-12-11T14:41:41","modified_gmt":"2023-12-11T06:41:41","slug":"threadpoolexecutor-%e9%a5%b1%e5%92%8c%e7%ad%96%e7%95%a5%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/threadpoolexecutor-%e9%a5%b1%e5%92%8c%e7%ad%96%e7%95%a5%ef%bc%9f\/","title":{"rendered":"ThreadPoolExecutor \u9971\u548c\u7b56\u7565\uff1f"},"content":{"rendered":"<pre><code class=\" line-numbers\"><br \/>\u5982\u679c\u5f53\u524d\u540c\u65f6\u8fd0\u884c\u7684\u7ebf\u7a0b\u6570\u91cf\u8fbe\u5230\u6700\u5927\u7ebf\u7a0b\u6570\u91cf\u5e76\u4e14\u961f\u5217\u4e5f\u5df2\u7ecf\u88ab\u653e\u6ee1\u4e86\u4efb\u65f6\uff0c<code>ThreadPoolTaskExecutor<\/code> \u5b9a\u4e49\u4e00\u4e9b\u7b56\u7565:\n\n\n\n<ul><li><strong><code>ThreadPoolExecutor.AbortPolicy<\/code><\/strong>\uff1a\u629b\u51fa <code>RejectedExecutionException<\/code>\u6765\u62d2\u7edd\u65b0\u4efb\u52a1\u7684\u5904\u7406\u3002<\/li><li><strong><code>ThreadPoolExecutor.CallerRunsPolicy<\/code><\/strong>\uff1a\u8c03\u7528\u6267\u884c\u81ea\u5df1\u7684\u7ebf\u7a0b\u8fd0\u884c\u4efb\u52a1\uff0c\u4e5f\u5c31\u662f\u76f4\u63a5\u5728\u8c03\u7528<code>execute<\/code>\u65b9\u6cd5\u7684\u7ebf\u7a0b\u4e2d\u8fd0\u884c(<code>run<\/code>)\u88ab\u62d2\u7edd\u7684\u4efb\u52a1\uff0c\u5982\u679c\u6267\u884c\u7a0b\u5e8f\u5df2\u5173\u95ed\uff0c\u5219\u4f1a\u4e22\u5f03\u8be5\u4efb\u52a1\u3002\u56e0\u6b64\u8fd9\u79cd\u7b56\u7565\u4f1a\u964d\u4f4e\u5bf9\u4e8e\u65b0\u4efb\u52a1\u63d0\u4ea4\u901f\u5ea6\uff0c\u5f71\u54cd\u7a0b\u5e8f\u7684\u6574\u4f53\u6027\u80fd\u3002\u53e6\u5916\uff0c\u8fd9\u4e2a\u7b56\u7565\u559c\u6b22\u589e\u52a0\u961f\u5217\u5bb9\u91cf\u3002\u5982\u679c\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u627f\u53d7\u6b64\u5ef6\u8fdf\u5e76\u4e14\u4f60\u4e0d\u80fd\u4efb\u52a1\u4e22\u5f03\u4efb\u4f55\u4e00\u4e2a\u4efb\u52a1\u8bf7\u6c42\u7684\u8bdd\uff0c\u4f60\u53ef\u4ee5\u9009\u62e9\u8fd9\u4e2a\u7b56\u7565\u3002<\/li><li><strong><code>ThreadPoolExecutor.DiscardPolicy<\/code>\uff1a<\/strong> \u4e0d\u5904\u7406\u65b0\u4efb\u52a1\uff0c\u76f4\u63a5\u4e22\u5f03\u6389\u3002<\/li><li><strong><code>ThreadPoolExecutor.DiscardOldestPolicy<\/code>\uff1a<\/strong> \u6b64\u7b56\u7565\u5c06\u4e22\u5f03\u6700\u65e9\u7684\u672a\u5904\u7406\u7684\u4efb\u52a1\u8bf7\u6c42\u3002<\/li><\/ul>\n\n\n\n\u4e3e\u4e2a\u4f8b\u5b50\uff1a\n\n\n\n<blockquote><p>Spring \u901a\u8fc7 <code>ThreadPoolTaskExecutor<\/code> \u6216\u8005\u6211\u4eec\u76f4\u63a5\u901a\u8fc7 <code>ThreadPoolExecutor<\/code> \u7684\u6784\u9020\u51fd\u6570\u521b\u5efa\u7ebf\u7a0b\u6c60\u7684\u65f6\u5019\uff0c\u5f53\u6211\u4eec\u4e0d\u6307\u5b9a <code>RejectedExecutionHandler<\/code> \u9971\u548c\u7b56\u7565\u7684\u8bdd\u6765\u914d\u7f6e\u7ebf\u7a0b\u6c60\u7684\u65f6\u5019\u9ed8\u8ba4\u4f7f\u7528\u7684\u662f <code>ThreadPoolExecutor.AbortPolicy<\/code>\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<code>ThreadPoolExecutor<\/code> \u5c06\u629b\u51fa <code>RejectedExecutionException<\/code> \u6765\u62d2\u7edd\u65b0\u6765\u7684\u4efb\u52a1 \uff0c\u8fd9\u4ee3\u8868\u4f60\u5c06\u4e22\u5931\u5bf9\u8fd9\u4e2a\u4efb\u52a1\u7684\u5904\u7406\u3002 \u5bf9\u4e8e\u53ef\u4f38\u7f29\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5efa\u8bae\u4f7f\u7528 <code>ThreadPoolExecutor.CallerRunsPolicy<\/code>\u3002\u5f53\u6700\u5927\u6c60\u88ab\u586b\u6ee1\u65f6\uff0c\u6b64\u7b56\u7565\u4e3a\u6211\u4eec\u63d0\u4f9b\u53ef\u4f38\u7f29\u961f\u5217\u3002\uff08\u8fd9\u4e2a\u76f4\u63a5\u67e5\u770b <code>ThreadPoolExecutor<\/code> \u7684\u6784\u9020\u51fd\u6570\u6e90\u7801\u5c31\u53ef\u4ee5\u770b\u51fa\uff0c\u6bd4\u8f83\u7b80\u5355\u7684\u539f\u56e0\uff0c\u8fd9\u91cc\u5c31\u4e0d\u8d34\u4ee3\u7801\u4e86\u3002\uff09<\/p><\/blockquote>\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u5f53\u524d\u540c\u65f6\u8fd0\u884c\u7684\u7ebf\u7a0b\u6570\u91cf\u8fbe\u5230\u6700\u5927\u7ebf\u7a0b\u6570\u91cf\u5e76\u4e14\u961f\u5217\u4e5f\u5df2\u7ecf\u88ab\u653e\u6ee1\u4e86\u4efb\u65f6\uff0cThreadPoolTaskExecut [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-37496","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/37496","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=37496"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/37496\/revisions"}],"predecessor-version":[{"id":37497,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/37496\/revisions\/37497"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=37496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=37496"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=37496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}