35 lines
836 B
TypeScript
35 lines
836 B
TypeScript
import Bluebird from 'bluebird'
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import { logger } from '../../helpers/logger'
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export abstract class AbstractScheduler {
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protected abstract schedulerIntervalMs: number
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private interval: NodeJS.Timer
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private isRunning = false
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enable () {
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if (!this.schedulerIntervalMs) throw new Error('Interval is not correctly set.')
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this.interval = setInterval(() => this.execute(), this.schedulerIntervalMs)
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}
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disable () {
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clearInterval(this.interval)
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}
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async execute () {
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if (this.isRunning === true) return
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this.isRunning = true
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try {
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await this.internalExecute()
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} catch (err) {
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logger.error('Cannot execute %s scheduler.', this.constructor.name, { err })
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} finally {
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this.isRunning = false
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}
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}
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protected abstract internalExecute (): Promise<any> | Bluebird<any>
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}
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