{"id":872,"date":"2023-03-26T20:44:40","date_gmt":"2023-03-26T12:44:40","guid":{"rendered":"http:\/\/codermr.com\/?p=872"},"modified":"2023-03-27T20:04:30","modified_gmt":"2023-03-27T12:04:30","slug":"xxl-job2","status":"publish","type":"post","link":"http:\/\/codermr.com\/index.php\/2023\/03\/26\/xxl-job2\/","title":{"rendered":"xxl-job\u539f\u7406\u8bb2\u89e3\uff08\u4e8c\uff09\uff1a\u4e3b\u8981\u7c7b"},"content":{"rendered":"\n<p> <a href=\"http:\/\/codermr.com\/index.php\/2023\/02\/27\/xxl-job1\/\">xxl-job \u539f\u7406\u8bb2\u89e3 &#8211; \u7801\u5148\u751f\u7684\u535a\u5ba2 (codermr.com)<\/a> \u8fd9\u7bc7\u6e90\u7801\u5206\u6790\u91cc\u5185\u5bb9\u8d8a\u5199\u8d8a\u591a\uff0c\u6240\u4ee5\u8fd8\u662f\u628a xxl-job \u4e3b\u8981\u7684\u7c7b\u5355\u72ec\u62bd\u53d6\u5230\u4e00\u7bc7\u6587\u7ae0\u91cc\u5427\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">AdminBiz \u63a5\u53e3<\/h4>\n\n\n\n<p>\u5b83\u6709\u4e24\u4e2a\u5b9e\u73b0\u7c7b\uff1a<\/p>\n\n\n\n<ul>\n<li>com.xxl.job.core.biz.client.AdminBizClient<\/li>\n\n\n\n<li>com.xxl.job.admin.service.impl.AdminBizImpl<\/li>\n<\/ul>\n\n\n\n<p>\u6839\u636e\u540d\u5b57\u5c31\u53ef\u4ee5\u77e5\u9053\uff0cAdminBizImpl \u662f\u8c03\u5ea6\u4e2d\u5fc3\u4f7f\u7528\u7684\uff1bAdminBizClient \u662f\u6267\u884c\u5668\u4f7f\u7528\u7684\uff0c\u91cc\u9762\u6709\u53d1\u9001 registry\u3001callback \u7b49\u8bf7\u6c42\u3002\u800c AdminBizImpl \u91cc\u9762\u4e5f\u6709 registry\u3001callback \u7b49\u65b9\u6cd5\uff0c\u5176\u5b9e AdminBizClient  \u4e2d\u7684 registry\u3001callback \u8bf7\u6c42\u6700\u7ec8\u4f1a\u88ab AdminBizImpl \u91cc\u9762\u7684 registry\u3001callback \u65b9\u6cd5\u5904\u7406\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">JobThread \u7c7b<\/h4>\n\n\n\n<p>\u770b TriggerParam \u8fd9\u4e2a\u7c7b\u4e2d\u53c2\u6570\u7684\u542b\u4e49\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ 1\u3001save log-id\nXxlJobLog jobLog = new XxlJobLog();\njobLog.setJobGroup(jobInfo.getJobGroup());\njobLog.setJobId(jobInfo.getId());\njobLog.setTriggerTime(new Date());\nXxlJobAdminConfig.getAdminConfig().getXxlJobLogDao().save(jobLog);\nlogger.debug(\"&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt; xxl-job trigger start, jobId:{}\", jobLog.getId());\n\n\/\/ 2\u3001init trigger-param\nTriggerParam triggerParam = new TriggerParam();\ntriggerParam.setJobId(jobInfo.getId()); \/\/\u3010jobId\u3011\ntriggerParam.setExecutorHandler(jobInfo.getExecutorHandler());\/\/\u3010\u6267\u884c\u5668\u3011\ntriggerParam.setExecutorParams(jobInfo.getExecutorParam());\ntriggerParam.setExecutorBlockStrategy(jobInfo.getExecutorBlockStrategy());\/\/\u3010\u963b\u585e\u7b56\u7565\u3011\ntriggerParam.setExecutorTimeout(jobInfo.getExecutorTimeout());\/\/\u3010\u8d85\u65f6\u65f6\u95f4\u3011\ntriggerParam.setLogId(jobLog.getId());\/\/\u3010logId\u3011\ntriggerParam.setLogDateTime(jobLog.getTriggerTime().getTime());\ntriggerParam.setGlueType(jobInfo.getGlueType());\ntriggerParam.setGlueSource(jobInfo.getGlueSource());\ntriggerParam.setGlueUpdatetime(jobInfo.getGlueUpdatetime().getTime());\ntriggerParam.setBroadcastIndex(index);\ntriggerParam.setBroadcastTotal(total);<\/code><\/pre>\n\n\n\n<p>JobThread \u7684\u6784\u9020\u5668\uff08JobThread \u6301\u6709\u4e00\u4e2a jobId \u548c \u8be5 jobId \u5bf9\u5e94\u7684 JobHandler\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public JobThread(int jobId, IJobHandler handler) {\n    this.jobId = jobId;\n    this.handler = handler;\n    this.triggerQueue = new LinkedBlockingQueue&lt;TriggerParam&gt;();\/\/\u3010\u5b58\u653e\u5b9a\u65f6\u4efb\u52a1\u7684\u961f\u5217\u3011\n    this.triggerLogIdSet = Collections.synchronizedSet(new HashSet&lt;Long&gt;());\n}<\/code><\/pre>\n\n\n\n<p>JobThread \u7c7b\u91cc\u9762\u7684\u5c5e\u6027\uff08\u5df2\u52a0\u6ce8\u91ca\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>private int jobId; \/\/ \u3010\u4efb\u52a1id\u3011\nprivate IJobHandler handler; \/\/ \u3010\u7528\u4e8e\u6267\u884c\u6307\u5b9a\u7684\u5b9a\u65f6\u4efb\u52a1\u3011\nprivate LinkedBlockingQueue&lt;TriggerParam&gt; triggerQueue; \/\/ \u3010\u9700\u8981\u88ab\u6267\u884c\u7684\u5b9a\u65f6\u4efb\u52a1\u4f1a\u653e\u8fdb\u8be5\u961f\u5217\u3011\nprivate Set&lt;Long&gt; triggerLogIdSet;    \/\/ avoid repeat trigger for the same TRIGGER_LOG_ID\n\nprivate volatile boolean toStop = false;\nprivate String stopReason;\n\nprivate boolean running = false;    \/\/ if running job\nprivate int idleTimes = 0;      \/\/ idel times\t<\/code><\/pre>\n\n\n\n<p>JobThread \u7c7b\u91cc\u9762\u7684\u65b9\u6cd5\uff08\u5df2\u52a0\u6ce8\u91ca\uff09\uff1a<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u6dfb\u52a0\u4e00\u4e2a\u8981\u88ab\u6267\u884c\u7684\u5b9a\u65f6\u4efb\u52a1 TriggerParam \u5230 TriggerQueue \u961f\u5217\u4e2d\uff1a<\/mark><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public ReturnT&lt;String&gt; pushTriggerQueue(TriggerParam triggerParam) {\n    \/\/ avoid repeat\n    if (triggerLogIdSet.contains(triggerParam.getLogId())) {\n        logger.info(\"&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt; repeate trigger job, logId:{}\", triggerParam.getLogId());\n        return new ReturnT&lt;String&gt;(ReturnT.FAIL_CODE, \"repeate trigger job, logId:\" + triggerParam.getLogId());\n    }\n\n    triggerLogIdSet.add(triggerParam.getLogId());\n    triggerQueue.add(triggerParam);\n    return ReturnT.SUCCESS;\n}\n\npublic void toStop(String stopReason) {\n    \/**\n     * Thread.interrupt\u53ea\u652f\u6301\u7ec8\u6b62\u7ebf\u7a0b\u7684\u963b\u585e\u72b6\u6001(wait\u3001join\u3001sleep)\uff0c\n     * \u5728\u963b\u585e\u51fa\u629b\u51faInterruptedException\u5f02\u5e38,\u4f46\u662f\u5e76\u4e0d\u4f1a\u7ec8\u6b62\u8fd0\u884c\u7684\u7ebf\u7a0b\u672c\u8eab\uff1b\n     * \u6240\u4ee5\u9700\u8981\u6ce8\u610f\uff0c\u6b64\u5904\u5f7b\u5e95\u9500\u6bc1\u672c\u7ebf\u7a0b\uff0c\u9700\u8981\u901a\u8fc7\u5171\u4eab\u53d8\u91cf\u65b9\u5f0f\uff1b\n     *\/\n    this.toStop = true;\n    this.stopReason = stopReason;\n}\n\npublic boolean isRunningOrHasQueue() {\n    return running || triggerQueue.size() &gt; 0;\n}<\/code><\/pre>\n\n\n\n<p>\u4e3b\u8981\u662f run \u65b9\u6cd5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4.png\"><img loading=\"lazy\" decoding=\"async\" width=\"2808\" height=\"4528\" src=\"http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4.png\" alt=\"\" class=\"wp-image-873\" srcset=\"http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4.png 2808w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4-186x300.png 186w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4-635x1024.png 635w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4-768x1238.png 768w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4-953x1536.png 953w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4-1270x2048.png 1270w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4-1222x1971.png 1222w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-4-922x1487.png 922w\" sizes=\"(max-width: 2808px) 100vw, 2808px\" \/><\/a><\/figure>\n\n\n\n<p>\u5982\u4e0a\uff0c\u7b80\u5355\u603b\u7ed3\u5c31\u662f\uff1a\u4ece TriggerQueue \u4e2d\u53d6\u51fa\u4e00\u4e2a\u4efb\u52a1\u5e76\u6267\u884c\uff0c\u7136\u540e\u8c03\u7528\u8c03\u5ea6\u4e2d\u5fc3\u7684 callback \u63a5\u53e3\u544a\u8bc9\u5176\u6267\u884c\u7ed3\u679c\u3002<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u601d\u8003\u9898\uff1aJobThread \u662f\u6bcf\u4e2a\u5b9a\u65f6\u4efb\u52a1\u90fd\u4f1a new \u4e00\u4e2a\u5417\uff1f<\/mark><\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">Yes.<\/mark><\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ExecutorBizImpl<\/h4>\n\n\n\n<p>\u5148\u770b ExecutorBiz \u63a5\u53e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public interface ExecutorBiz {\n    public ReturnT&lt;String&gt; beat();\n\n    public ReturnT&lt;String&gt; idleBeat(IdleBeatParam idleBeatParam);\n\n    public ReturnT&lt;String&gt; run(TriggerParam triggerParam);\n\n    public ReturnT&lt;String&gt; kill(KillParam killParam);\n\n    public ReturnT&lt;LogResult&gt; log(LogParam logParam);\n}<\/code><\/pre>\n\n\n\n<p>ExecutorBiz \u63a5\u53e3\u6709\u4e24\u4e2a\u5b9e\u73b0\u7c7b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-6.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-6.png\" alt=\"\" class=\"wp-image-875\" width=\"363\" height=\"125\" srcset=\"http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-6.png 726w, http:\/\/codermr.com\/wp-content\/uploads\/2023\/03\/image-6-300x103.png 300w\" sizes=\"(max-width: 363px) 100vw, 363px\" \/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">xxl-job \u4e2d\uff0c\u4e00\u4e2a\u63a5\u53e3\u6709\u4e24\u4e2a\u5b9e\u73b0\uff0c\u4e00\u822c\u4e3b\u52a8\u53d1\u8bf7\u6c42\u7684\u4e00\u65b9\u7684\u5b9e\u73b0\u7c7b\u540d\u4e2d\u4f1a\u5e26\u6709 client \u5b57\u6837\uff0c\u7c7b\u4f3c\u7684\u8fd8\u6709 AdminBiz \u63a5\u53e3\u3002<\/mark><\/figcaption><\/figure>\n\n\n\n<ul>\n<li>ExecutorBizClient \u662f\u8c03\u5ea6\u4e2d\u5fc3\u5f80\u6267\u884c\u5668\u53d1\u9001\u8bf7\u6c42\u7684\uff0c\u6700\u7ec8\u4f1a\u88ab\u6267\u884c\u5668\u7684 ExecutorBizImpl \u63a5\u53d7\u5e76\u5904\u7406\u3002<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">ExecutorBizClient \u4e2d\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\u5f80\u6267\u884c\u5668\u4f1a\u53d1\u9001\u5fc3\u8df3\u68c0\u6d4b\u3001\u901a\u77e5\u6267\u884c\u5668\u6267\u884c\u4efb\u52a1\u7b49\u64cd\u4f5c\u3002<\/mark><\/li>\n\n\n\n<li>ExecutorBizImpl \u662f\u5728\u6267\u884c\u5668\u4e2d\u88ab\u4f7f\u7528\u7684\uff0c\u5728\u6267\u884c\u5668\u7684 com.xxl.job.core.server.EmbedServer#start \u65b9\u6cd5\u4e2d\uff0c\u4f7f\u7528 Netty \u548c\u8c03\u5ea6\u4e2d\u5fc3\u8fdb\u884c\u901a\u4fe1\uff0c\u63a5\u53d7\u5230\u8c03\u5ea6\u4e2d\u5fc3\u7528 ExecutorBizClient \u53d1\u9001\u8fc7\u6765\u7684\u7f51\u7edc\u8bf7\u6c42\u540e\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a EmbedHttpServerHandler \u5904\u7406\u8be5\u7f51\u7edc\u8bf7\u6c42\uff0c\u800c EmbedHttpServerHandler \u4e2d\u5c31\u662f\u7528 ExecutorBizImpl  \u6765\u5904\u7406\u7f51\u7edc\u8bf7\u6c42\u7684\uff0c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">ExecutorBizImpl  \u4e2d\u6709\u5fc3\u8df3\u56de\u590d\u3001\u6267\u884c\u5b9a\u65f6\u4efb\u52a1\u7b49\u903b\u8f91<\/mark>\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u518d\u770b\u770b XxlJobExecutor \u8fd9\u4e2a\u7c7b\uff0c\u5b83\u91cc\u9762\u6709\u4e2a jobThreadRepository \u5c5e\u6027\uff0c\u5982\u4e0b\uff0ckey \u662f jobId \uff0cvalue \u662f\u4e0a\u9762\u521a\u521a\u8bb2\u5230\u7684 JobThread\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ ---------------------- job thread repository ----------------------\nprivate static ConcurrentMap&lt;Integer, JobThread&gt; jobThreadRepository = new ConcurrentHashMap&lt;Integer, JobThread&gt;();\npublic static JobThread registJobThread(int jobId, IJobHandler handler, String removeOldReason){\n    JobThread newJobThread = new JobThread(jobId, handler);\/\/\u3010\u6839\u636ejobId\u3001handler\u521b\u5efaJobThread\u3011\n    newJobThread.start();\n    logger.info(\"&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt; xxl-job regist JobThread success, jobId:{}, handler:{}\", new Object&#91;]{jobId, handler});\n\n    JobThread oldJobThread = jobThreadRepository.put(jobId, newJobThread);  \/\/ putIfAbsent | oh my god, map's put method return the old value!!!\n    if (oldJobThread != null) {\n        oldJobThread.toStop(removeOldReason);\n        oldJobThread.interrupt();\n    }\n\n    return newJobThread;\n}\npublic static JobThread removeJobThread(int jobId, String removeOldReason){\n    JobThread oldJobThread = jobThreadRepository.remove(jobId);\n    if (oldJobThread != null) {\n        oldJobThread.toStop(removeOldReason);\n        oldJobThread.interrupt();\n\n        return oldJobThread;\n    }\n    return null;\n}\npublic static JobThread loadJobThread(int jobId){\n    JobThread jobThread = jobThreadRepository.get(jobId);\n    return jobThread;\n}<\/code><\/pre>\n\n\n\n<p>ExecutorBizImpl \u4e2d\u4e3b\u8981\u662f\u4e24\u4e2a\u5fc3\u8df3\u76f8\u5173\u7684\u65b9\u6cd5\u3001\u4e00\u4e2a run \u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Override\npublic ReturnT&lt;String&gt; beat() {\n    return ReturnT.SUCCESS;\n}\n\n@Override\npublic ReturnT&lt;String&gt; idleBeat(IdleBeatParam idleBeatParam) {\n\n    \/\/ isRunningOrHasQueue\n    boolean isRunningOrHasQueue = false;\n    JobThread jobThread = XxlJobExecutor.loadJobThread(idleBeatParam.getJobId());\n    if (jobThread != null &amp;&amp; jobThread.isRunningOrHasQueue()) {\n        isRunningOrHasQueue = true;\n    }\n\n    if (isRunningOrHasQueue) {\n        return new ReturnT&lt;String&gt;(ReturnT.FAIL_CODE, \"job thread is running or has trigger queue.\");\n    }\n    return ReturnT.SUCCESS;\n}<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u7684 idleBeat \u65b9\u6cd5\u91cc\u4f1a\u4ece XxlJobExecutor \u4e2d\u7684 jobThreadRepository \u4e2d\u83b7\u53d6 jobId \u5bf9\u5e94\u7684 JobThread \u5bf9\u8c61\u3002<\/p>\n\n\n\n<p><strong>com.xxl.job.core.biz.impl.ExecutorBizImpl#run \u65b9\u6cd5<\/strong><\/p>\n\n\n\n<p>\u5148\u4ece  XxlJobExecutor \u4e2d\u7684 jobThreadRepository \u4e2d\u83b7\u53d6 jobId \u5bf9\u5e94\u7684 JobThread \u5bf9\u8c61\uff0c\u518d\u4ece JobThread \u5bf9\u8c61\u4e2d\u5f97\u5230 JobHandler \u5bf9\u8c61 jobHandler\uff1b<\/p>\n\n\n\n<p>\u518d\u4ece  XxlJobExecutor \u4e2d\u7684 jobHandlerRepository \u4e2d\u83b7\u53d6 jobId \u5bf9\u5e94\u7684 JobHandler \u5bf9\u8c61\uff0c\u5982\u679c\u548c\u4e0a\u9762\u7684 jobHandler \u4e0d\u4e00\u6837\uff0c\u5219\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u5224\u65ad\u8be5\u5b9a\u65f6\u4efb\u52a1\u7684\u963b\u585e\u7b56\u7565\uff0c\u5982\u679c\u662f\u201c\u8986\u76d6\u201d\uff0c\u5219\u5224\u65ad\u5982\u679c JobThread \u8fd8\u6b63\u5728\u6267\u884c\u4f5c\u4e1a\u6216\u5176 triggerQueue \u4e2d\u6709\u6392\u961f\u4f5c\u4e1a\uff0c\u5219 destroy \u4e4b\u524d\u7684 JobThread \uff0c\u5e76\u91cd\u65b0\u521b\u5efa JobThread \u8fd0\u884c\u5f53\u524d\u4f5c\u4e1a\uff1b\u5982\u679c\u662f\u201c\u4e22\u5f03\u201d\uff0c\u5219\u5224\u65ad\u5982\u679c JobThread \u8fd8\u6b63\u5728\u6267\u884c\u4f5c\u4e1a\u6216\u5176 triggerQueue \u4e2d\u6709\u6392\u961f\u4f5c\u4e1a\uff0c\u5219\u5f53\u524d\u4f5c\u4e1a\u4e22\u5f03\u3002<\/p>\n\n\n\n<p>\u7136\u540e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ReturnT&lt;String&gt; pushResult = jobThread.pushTriggerQueue(triggerParam);<\/code><\/pre>\n\n\n\n<p>\u5f80 JobThread \u4e2d\u6dfb\u52a0\u4e00\u4e2a\u8981\u88ab\u6267\u884c\u7684\u5b9a\u65f6\u4efb\u52a1\u3002<\/p>\n\n\n\n<p>\u76f8\u5173\u7c7b\u5206\u6790\u5b8c\u6bd5\uff0c\u8bf7\u7ee7\u7eed\u770b <a href=\"http:\/\/codermr.com\/index.php\/2023\/02\/27\/xxl-job1\/\">xxl-job \u539f\u7406\u8bb2\u89e3 &#8211; \u7801\u5148\u751f\u7684\u535a\u5ba2<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>xxl-job \u539f\u7406\u8bb2\u89e3 &#8211; \u7801\u5148\u751f\u7684\u535a\u5ba2 (codermr.com) \u8fd9\u7bc7\u6e90\u7801\u5206\u6790\u91cc\u5185\u5bb9\u8d8a\u5199\u8d8a\u591a&#8230;<\/p>\n","protected":false},"author":1,"featured_media":729,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[51],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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