{"id":269,"date":"2023-11-03T16:57:09","date_gmt":"2023-11-03T08:57:09","guid":{"rendered":"https:\/\/www.liaoxinghui.com\/?p=269"},"modified":"2023-11-03T16:57:10","modified_gmt":"2023-11-03T08:57:10","slug":"java%e4%bd%bf%e7%94%a8redis%e7%9a%84redisson%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81","status":"publish","type":"post","link":"https:\/\/www.liaoxinghui.com\/?p=269","title":{"rendered":"Java\u4f7f\u7528redis\u7684Redisson\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501"},"content":{"rendered":"<h3 class=\"wp-block-heading\">\u4ec0\u4e48\u662fRedisson<\/h3>\n<p class=\"wp-block-paragraph\">Redisson\u662f\u4e00\u4e2a\u5728Redis\u7684\u57fa\u7840\u4e0a\u5b9e\u73b0\u7684Java\u9a7b\u7559\u5f0f\u5ba2\u6237\u7aef\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u5404\u79cd\u5404\u6837\u7684\u5206\u5e03\u5f0f\u670d\u52a1\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662fRedisson\u63d0\u4f9b\u7684\u4e00\u4e9b\u4e3b\u8981\u529f\u80fd\uff1a<\/p>\n<ol class=\"wp-block-list\">\n<li>\u5206\u5e03\u5f0f\u5b9e\u73b0\u548c\u540c\u6b65\u5bb9\u5668\uff1a\u5305\u62ec<code>Map<\/code>\uff0c<code>Set<\/code>\uff0c<code>List<\/code>\uff0c<code>Queue<\/code>\u7b49\u5e38\u7528\u63a5\u53e3\u7684\u5206\u5e03\u5f0f\u5b9e\u73b0\u3002<\/li>\n\n<li>\u5206\u5e03\u5f0f\u9501\u548c\u540c\u6b65\u5668\uff1a\u63d0\u4f9b\u4e86<code>Lock<\/code>\uff0c<code>Semaphore<\/code>\uff0c<code>CountDownLatch<\/code>\u7b49\u63a5\u53e3\u7684\u5206\u5e03\u5f0f\u5b9e\u73b0\u3002<\/li>\n\n<li>\u5206\u5e03\u5f0f\u670d\u52a1\uff1a\u5305\u62ec\u8fdc\u7a0b\u670d\u52a1\uff08Remote Service\uff09\uff0c\u5ef6\u8fdf\u961f\u5217\uff08Delayed Queue\uff09\uff0c\u53d1\u5e03\u8ba2\u9605\uff08Publish \/ Subscribe\uff09\u7b49\u3002<\/li>\n\n<li>Redis\u57fa\u672c\u6570\u636e\u7ed3\u6784\u7684\u63a5\u53e3\uff1aRedisson\u63d0\u4f9b\u4e86\u5bf9Redis\u57fa\u672c\u6570\u636e\u7ed3\u6784\u5982\u5b57\u7b26\u4e32\uff08String\uff09\uff0c\u54c8\u5e0c\uff08Hash\uff09\uff0c\u5217\u8868\uff08List\uff09\uff0c\u96c6\u5408\uff08Set\uff09\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7b49\u7684\u64cd\u4f5c\u63a5\u53e3\u3002<\/li>\n\n<li>Elasticache\u548cAWS S3\u7684\u652f\u6301\uff1aRedisson\u53ef\u4ee5\u4e0eAmazon\u7684Elasticache\u548cS3\u670d\u52a1\u96c6\u6210\u3002<\/li>\n\n<li>Redis\u4e8b\u52a1\u652f\u6301\uff1aRedisson\u652f\u6301Redis\u7684\u4e8b\u52a1\u529f\u80fd\u3002<\/li>\n\n<li>\u5176\u4ed6\u529f\u80fd\uff1a\u5305\u62ec\u96c6\u7fa4\u652f\u6301\uff0c\u8fde\u63a5\u6c60\uff0c\u7f16\u7801\u8f6c\u6362\u7b49\u3002<\/li>\n<\/ol>\n<p class=\"wp-block-paragraph\">Redisson\u7684\u76ee\u6807\u662f\u63d0\u4f9b\u4e00\u79cd\u65b9\u5f0f\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\uff0c\u5c31\u50cf\u5728\u5355\u673a\u73af\u5883\u4e2d\u4e00\u6837\u65b9\u4fbf\u5730\u4f7f\u7528\u5404\u79cdJava\u6570\u636e\u7ed3\u6784\u548c\u670d\u52a1\u3002<\/p>\n<p class=\"wp-block-paragraph\"><\/p>\n<p class=\"wp-block-paragraph\">\u5355\u95f4\u7684\u4ee3\u7801\u793a\u4f8b<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ 1. \u9996\u5148\uff0c\u4f60\u9700\u8981\u521b\u5efa\u4e00\u4e2aRedissonClient\u5b9e\u4f8b\nConfig config = new Config();\nconfig.useSingleServer().setAddress(\"redis:\/\/127.0.0.1:6379\");\nRedissonClient redisson = Redisson.create(config);\n\n\/\/ 2. \u7136\u540e\uff0c\u4f60\u53ef\u4ee5\u83b7\u53d6\u4e00\u4e2a\u9501\u5bf9\u8c61\nRLock lock = redisson.getLock(\"anyLock\");\n\n\/\/ 3. \u6700\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u9501\u6765\u4fdd\u62a4\u4f60\u7684\u5173\u952e\u4e1a\u52a1\u4ee3\u7801\ntry {\n    \/\/ \u5c1d\u8bd5\u83b7\u53d6\u9501\uff0c\u6700\u591a\u7b49\u5f85100\u79d2\uff0c\u7136\u540e\u9501\u5c06\u81ea\u52a8\u91ca\u653e\n    if (lock.tryLock(100, TimeUnit.SECONDS)) {\n        try {\n            \/\/ \u5728\u8fd9\u91cc\u6267\u884c\u4f60\u7684\u5173\u952e\u4e1a\u52a1\u4ee3\u7801\n        } finally {\n            \/\/ \u4e00\u65e6\u4f60\u5b8c\u6210\u4e86\u4f60\u7684\u4e1a\u52a1\u4ee3\u7801\uff0c\u4f60\u5fc5\u987b\u91ca\u653e\u9501\n            lock.unlock();\n        }\n    }\n} catch (InterruptedException e) {\n    \/\/ \u5904\u7406\u5f02\u5e38\n}\n<\/pre>\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684DEMO\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u6839\u636e\u4f60\u7684\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u6bd4\u5982\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u66f4\u590d\u6742\u7684\u9501\u5b9a\u7b56\u7565\uff0c\u6216\u8005\u4f60\u53ef\u80fd\u9700\u8981\u5904\u7406\u66f4\u591a\u7684\u5f02\u5e38\u60c5\u51b5\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u4e00\u4e9b\u5c0f\u63d0\u793a\uff1a<\/p>\n<ol class=\"wp-block-list\">\n<li>Redisson\u7684RLock\u5b9e\u73b0\u662f\u548c\u7ebf\u7a0b\u7ed1\u5b9a\u7684\u3002\u5982\u679c\u540c\u4e00\u4e2a\u7ebf\u7a0b\u591a\u6b21\u83b7\u53d6\u540c\u4e00\u4e2a\u9501\uff0c\u5b83\u5c06\u6210\u529f\uff0c\u800c\u4e0d\u4f1a\u88ab\u963b\u585e\u3002\u8fd9\u662f\u56e0\u4e3aRedisson\u7684RLock\u5b9e\u73b0\u662f\u53ef\u91cd\u5165\u7684\u3002<\/li>\n\n<li>\u5728\u4e0a\u9762\u7684DEMO\u4e2d\uff0c\u9501\u7684\u8fc7\u671f\u65f6\u95f4\u662f\u901a\u8fc7<code>tryLock(long waitTime, TimeUnit unit)<\/code>\u65b9\u6cd5\u8bbe\u7f6e\u7684\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5c1d\u8bd5\u5728\u6307\u5b9a\u7684\u7b49\u5f85\u65f6\u95f4\u5185\u83b7\u53d6\u9501\u3002\u5982\u679c\u5728\u8fd9\u4e2a\u65f6\u95f4\u5185\u83b7\u53d6\u5230\u4e86\u9501\uff0c\u90a3\u4e48\u8fd9\u4e2a\u9501\u5c06\u5728\u6307\u5b9a\u7684\u79df\u8d41\u65f6\u95f4\uff08lease time\uff09\u7ed3\u675f\u540e\u81ea\u52a8\u91ca\u653e\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u79df\u8d41\u65f6\u95f4\uff0c\u90a3\u4e48\u9ed8\u8ba4\u7684\u79df\u8d41\u65f6\u95f4\u662f30\u79d2\u3002<\/li>\n<\/ol>\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u60f3\u8981\u8bbe\u7f6e\u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>tryLock(long waitTime, long leaseTime, TimeUnit unit)<\/code>\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u8981\u9501\u572810\u5206\u949f\u540e\u8fc7\u671f\uff0c\u4f60\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">if (lock.tryLock(100, 10, TimeUnit.MINUTES)) {\n    \/\/ ...\n}<\/pre>\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c<code>tryLock(100, 10, TimeUnit.MINUTES)<\/code>\u65b9\u6cd5\u6709\u4e09\u4e2a\u53c2\u6570\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u4e2a\u53c2\u6570100\u8868\u793a\u7b49\u5f85\u83b7\u53d6\u9501\u7684\u6700\u957f\u65f6\u95f4\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u9501\u88ab\u5176\u4ed6\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u6301\u6709\uff0c\u5f53\u524d\u7ebf\u7a0b\u5c06\u7b49\u5f85\u6700\u591a100\u5355\u4f4d\u65f6\u95f4\u4ee5\u83b7\u53d6\u8be5\u9501\u3002\u5982\u679c\u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u9501\u88ab\u91ca\u653e\u5e76\u4e14\u5f53\u524d\u7ebf\u7a0b\u83b7\u53d6\u5230\u4e86\u9501\uff0c\u90a3\u4e48\u8be5\u65b9\u6cd5\u8fd4\u56detrue\uff1b\u5982\u679c\u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u4ecd\u65e0\u6cd5\u83b7\u53d6\u5230\u9501\uff0c\u90a3\u4e48\u8be5\u65b9\u6cd5\u8fd4\u56defalse\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u7b2c\u4e8c\u4e2a\u53c2\u657010\u8868\u793a\u4e00\u65e6\u83b7\u53d6\u5230\u9501\uff0c\u9501\u5c06\u81ea\u52a8\u572810\u5355\u4f4d\u65f6\u95f4\u540e\u91ca\u653e\uff0c\u5373\u4f7f\u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u6ca1\u6709\u660e\u786e\u5730\u8c03\u7528unlock\u65b9\u6cd5\u3002\u8fd9\u662f\u4e00\u4e2a\u9632\u6b62\u6b7b\u9501\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u9632\u6b62\u56e0\u4e3a\u67d0\u4e2a\u7ebf\u7a0b\u83b7\u53d6\u4e86\u9501\u4f46\u662f\u6ca1\u6709\u91ca\u653e\uff0c\u5bfc\u81f4\u5176\u4ed6\u7ebf\u7a0b\u65e0\u6cd5\u83b7\u53d6\u9501\u7684\u60c5\u51b5\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u7b2c\u4e09\u4e2a\u53c2\u6570<code>TimeUnit.MINUTES<\/code>\u8868\u793a\u524d\u4e24\u4e2a\u53c2\u6570\u7684\u65f6\u95f4\u5355\u4f4d\u662f\u5206\u949f\u3002\u6240\u4ee5\u8fd9\u6bb5\u4ee3\u7801\u7684\u610f\u601d\u662f\uff0c\u5c1d\u8bd5\u7b49\u5f85\u6700\u591a100\u5206\u949f\u6765\u83b7\u53d6\u9501\uff0c\u4e00\u65e6\u83b7\u53d6\u5230\u9501\uff0c\u9501\u5c06\u572810\u5206\u949f\u540e\u81ea\u52a8\u91ca\u653e\u3002<\/p>\n<p class=\"wp-block-paragraph\"><code>tryLock()<\/code>\u65b9\u6cd5\u4e0d\u4f1a\u963b\u585e\uff0c\u5982\u679c\u65e0\u6cd5\u7acb\u5373\u83b7\u53d6\u9501\uff0c\u5b83\u5c06\u8fd4\u56defalse\u3002\u5982\u679c\u4f60\u60f3\u8981\u5728\u65e0\u6cd5\u83b7\u53d6\u9501\u65f6\u963b\u585e\u5f53\u524d\u7ebf\u7a0b\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>lock()<\/code>\u65b9\u6cd5\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fc7\u671f\u65f6\u95f4\u662f\u4ece\u9501\u6210\u529f\u83b7\u53d6\u7684\u65f6\u523b\u5f00\u59cb\u8ba1\u7b97\u7684\u3002\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u4ee3\u7801\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u4e86\u8fd9\u4e2a\u65f6\u95f4\uff0c\u90a3\u4e48\u9501\u5c06\u4f1a\u88ab\u81ea\u52a8\u91ca\u653e\uff0c\u5373\u4f7f\u4f60\u7684\u4ee3\u7801\u8fd8\u6ca1\u6709\u6267\u884c\u5b8c\u3002\u56e0\u6b64\uff0c\u4f60\u9700\u8981\u786e\u4fdd\u4f60\u7684\u8fc7\u671f\u65f6\u95f4\u8db3\u591f\u957f\uff0c\u4ee5\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u7684\u53d1\u751f\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fRedisson Redisson\u662f\u4e00\u4e2a\u5728Redis\u7684\u57fa\u7840\u4e0a\u5b9e\u73b0\u7684Java\u9a7b\u7559\u5f0f\u5ba2\u6237\u7aef\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u5404\u79cd\u5404\u6837\u7684\u5206\u5e03\u5f0f\u670d\u52a1 &hellip;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-269","post","type-post","status-publish","format-standard","hentry","category-java"],"views":542,"_links":{"self":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=269"}],"version-history":[{"count":1,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/269\/revisions"}],"predecessor-version":[{"id":270,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/269\/revisions\/270"}],"wp:attachment":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}