52 lines
1.2 KiB
JavaScript
52 lines
1.2 KiB
JavaScript
'use strict';
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const EventEmitter = require('events');
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const Task = require('./task');
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const Scheduler = require('./scheduler');
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const { getId } = require('../../utils/index')
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class ScheduledTask extends EventEmitter {
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constructor(cronExpression, func, options) {
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super();
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if (!options) {
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options = {
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scheduled: true,
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recoverMissedExecutions: false
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};
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}
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this.options = options;
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this.options.name = this.options.name || getId()
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this._task = new Task(func);
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this._scheduler = new Scheduler(cronExpression, options.timezone, options.recoverMissedExecutions);
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this._scheduler.on('scheduled-time-matched', (now) => {
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this.now(now);
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});
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if (options.scheduled !== false) {
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this._scheduler.start();
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}
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if (options.runOnInit === true) {
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this.now('init');
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}
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}
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now(now = 'manual') {
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let result = this._task.execute(now);
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this.emit('task-done', result);
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}
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start() {
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this._scheduler.start();
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}
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stop() {
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this._scheduler.stop();
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}
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}
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module.exports = ScheduledTask;
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