56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
const Job = require('ee-core/jobs/baseJobClass');
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const Loader = require('ee-core/loader');
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const Log = require('ee-core/log');
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const Ps = require('ee-core/ps');
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const { childMessage } = require('ee-core/message');
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const Hello = Loader.requireJobsModule('./example/hello');
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/**
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* example - TimerJob
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* @class
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*/
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class TimerJob extends Job {
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constructor(params) {
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super();
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this.params = params;
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}
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/**
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* handle()方法是必要的，且会被自动调用
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*/
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async handle () {
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Log.info("[child-process] TimerJob params: ", this.params);
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// 计时器任务
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let number = 0;
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let jobId = this.params.jobId;
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let eventName = 'job-timer-progress-' + jobId;
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let timer = setInterval(function() {
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Hello.welcome();
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childMessage.send(eventName, {jobId, number, end: false});
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number++;
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}, 1000);
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// 用 setTimeout 模拟任务运行时长
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setTimeout(() => {
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// 关闭定时器
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clearInterval(timer);
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// 任务结束，重置前端显示
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childMessage.send(eventName, {jobId, number:0, pid:0, end: true});
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// 如果是childJob任务，必须调用 Ps.exit() 方法，让进程退出，否则会常驻内存
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// 如果是childPoolJob任务，常驻内存，等待下一个业务
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if (Ps.isChildJob()) {
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Ps.exit();
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}
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}, 10 * 1000)
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}
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}
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TimerJob.toString = () => '[class TimerJob]';
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module.exports = TimerJob;
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