1 import type { IPoolWorker
} from
'../pool-worker'
2 import { AbstractWorkerChoiceStrategy
} from
'./abstract-worker-choice-strategy'
6 } from
'./selection-strategies-types'
9 * Selects the less busy worker.
11 * @typeParam Worker - Type of worker which manages the strategy.
12 * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
13 * @typeParam Response - Type of response of execution. This can only be serializable data.
15 export class LessBusyWorkerChoiceStrategy
<
16 Worker
extends IPoolWorker
,
20 extends AbstractWorkerChoiceStrategy
<Worker
, Data
, Response
>
21 implements IWorkerChoiceStrategy
<Worker
, Data
, Response
> {
23 public readonly requiredStatistics
: RequiredStatistics
= {
29 public reset (): boolean {
34 public choose (): number {
35 const freeWorkerKey
= this.pool
.findFreeWorkerKey()
36 if (freeWorkerKey
!== -1) {
39 let minRunTime
= Infinity
40 let lessBusyWorkerKey
!: number
41 for (const [index
, workerItem
] of this.pool
.workers
.entries()) {
42 const workerRunTime
= workerItem
.tasksUsage
.runTime
43 if (workerRunTime
=== 0) {
45 } else if (workerRunTime
< minRunTime
) {
46 minRunTime
= workerRunTime
47 lessBusyWorkerKey
= index
50 return lessBusyWorkerKey
54 public remove (workerKey
: number): boolean {