import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
-import { type IPool, PoolType } from '../pool'
+import type { IPool } from '../pool'
import type { IWorker } from '../worker'
import type {
IWorkerChoiceStrategy,
*/
private toggleFindLastFreeWorkerNodeKey: boolean = false
/** @inheritDoc */
- protected readonly isDynamicPool: boolean
- /** @inheritDoc */
public readonly requiredStatistics: RequiredStatistics = {
runTime: false,
avgRunTime: false,
protected readonly pool: IPool<Worker, Data, Response>,
protected opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
) {
- this.isDynamicPool = this.pool.type === PoolType.DYNAMIC
this.choose = this.choose.bind(this)
}
this.requiredStatistics.avgRunTime = true
this.requiredStatistics.medRunTime = opts.medRunTime as boolean
}
+ if (
+ opts.weights != null &&
+ Object.keys(opts.weights).length < this.pool.size
+ ) {
+ throw new Error(
+ 'Worker choice strategy options must have a weight for each worker node.'
+ )
+ }
}
/** @inheritDoc */
public abstract reset (): boolean
+ /** @inheritDoc */
+ public abstract update (workerNodeKey: number): boolean
+
/** @inheritDoc */
public abstract choose (): number
*/
private findFirstFreeWorkerNodeKey (): number {
return this.pool.workerNodes.findIndex(workerNode => {
- return workerNode.tasksUsage?.running === 0
+ return workerNode.tasksUsage.running === 0
})
}
private findLastFreeWorkerNodeKey (): number {
// It requires node >= 18.0.0:
// return this.workerNodes.findLastIndex(workerNode => {
- // return workerNode.tasksUsage?.running === 0
+ // return workerNode.tasksUsage.running === 0
// })
- for (let i = this.pool.workerNodes.length - 1; i >= 0; i--) {
- if (this.pool.workerNodes[i].tasksUsage?.running === 0) {
- return i
+ for (
+ let workerNodeKey = this.pool.workerNodes.length - 1;
+ workerNodeKey >= 0;
+ workerNodeKey--
+ ) {
+ if (this.pool.workerNodes[workerNodeKey].tasksUsage.running === 0) {
+ return workerNodeKey
}
}
return -1