import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
-import { PoolType, type IPool } 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,
- medRunTime: false
+ medRunTime: false,
+ waitTime: false,
+ avgWaitTime: false,
+ medWaitTime: 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)
}
- protected checkOptions (opts: WorkerChoiceStrategyOptions): void {
+ protected setRequiredStatistics (opts: WorkerChoiceStrategyOptions): void {
if (this.requiredStatistics.avgRunTime && opts.medRunTime === true) {
this.requiredStatistics.avgRunTime = false
this.requiredStatistics.medRunTime = opts.medRunTime as boolean
this.requiredStatistics.avgRunTime = true
this.requiredStatistics.medRunTime = opts.medRunTime as boolean
}
+ if (this.requiredStatistics.avgWaitTime && opts.medWaitTime === true) {
+ this.requiredStatistics.avgWaitTime = false
+ this.requiredStatistics.medWaitTime = opts.medWaitTime as boolean
+ }
+ if (this.requiredStatistics.medWaitTime && opts.medWaitTime === false) {
+ this.requiredStatistics.avgWaitTime = true
+ this.requiredStatistics.medWaitTime = opts.medWaitTime as boolean
+ }
}
/** @inheritDoc */
public abstract reset (): boolean
+ /** @inheritDoc */
+ public abstract update (workerNodeKey: number): boolean
+
/** @inheritDoc */
public abstract choose (): number
/** @inheritDoc */
public setOptions (opts: WorkerChoiceStrategyOptions): void {
opts = opts ?? DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
- this.checkOptions(opts)
+ this.setRequiredStatistics(opts)
this.opts = opts
}
return this.findFirstFreeWorkerNodeKey()
}
+ /**
+ * Gets the worker task runtime.
+ * If the required statistics are `avgRunTime`, the average runtime is returned.
+ * If the required statistics are `medRunTime`, the median runtime is returned.
+ *
+ * @param workerNodeKey - The worker node key.
+ * @returns The worker task runtime.
+ */
+ protected getWorkerTaskRunTime (workerNodeKey: number): number {
+ return this.requiredStatistics.medRunTime
+ ? this.pool.workerNodes[workerNodeKey].tasksUsage.medRunTime
+ : this.pool.workerNodes[workerNodeKey].tasksUsage.avgRunTime
+ }
+
/**
* Finds the first free worker node key based on the number of tasks the worker has applied.
*
*/
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