1 import type { IPoolWorker
} from
'../pool-worker'
2 import { AbstractWorkerChoiceStrategy
} from
'./abstract-worker-choice-strategy'
5 * Selects the less recently used worker.
7 * @typeParam Worker - Type of worker which manages the strategy.
8 * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
9 * @typeParam Response - Type of response of execution. This can only be serializable data.
11 export class LessRecentlyUsedWorkerChoiceStrategy
<
12 Worker
extends IPoolWorker
,
15 > extends AbstractWorkerChoiceStrategy
<Worker
, Data
, Response
> {
17 public reset (): boolean {
22 public choose (): Worker
{
23 let minNumberOfRunningTasks
= Infinity
24 // A worker is always found because it picks the one with fewer tasks
25 let lessRecentlyUsedWorker
!: Worker
26 for (const worker
of this.pool
.workers
) {
27 const workerRunningTasks
= this.pool
.getWorkerRunningTasks(
30 if (!this.isDynamicPool
&& workerRunningTasks
=== 0) {
32 } else if (workerRunningTasks
< minNumberOfRunningTasks
) {
33 lessRecentlyUsedWorker
= worker
34 minNumberOfRunningTasks
= workerRunningTasks
37 return lessRecentlyUsedWorker