sepia-search-motore-di-rice.../server/lib/schedulers/abstract-scheduler.ts

37 lines
886 B
TypeScript

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