41 lines
1004 B
TypeScript
41 lines
1004 B
TypeScript
import { logger } from '../../helpers/logger'
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import Bluebird from 'bluebird'
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import { inspect } from 'util'
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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) {
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logger.info('Do not run scheduler %s because the process is already running.', this.constructor.name)
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return
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}
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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({ err: inspect(err) }, 'Cannot execute %s scheduler.', this.constructor.name)
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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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