import type { IPoolWorker } from '../pool-worker'
import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
+import type { IWorkerChoiceStrategy } from './selection-strategies-types'
/**
* Selects the less used worker.
* @typeParam Response - Type of response of execution. This can only be serializable data.
*/
export class LessUsedWorkerChoiceStrategy<
- Worker extends IPoolWorker,
- Data,
- Response
-> extends AbstractWorkerChoiceStrategy<Worker, Data, Response> {
- /** {@inheritDoc} */
+ Worker extends IPoolWorker,
+ Data = unknown,
+ Response = unknown
+ >
+ extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
+ implements IWorkerChoiceStrategy {
+ /** @inheritDoc */
public reset (): boolean {
return true
}
- /** {@inheritDoc} */
+ /** @inheritDoc */
public choose (): number {
+ const freeWorkerKey = this.pool.findFreeWorkerKey()
+ if (freeWorkerKey !== -1) {
+ return freeWorkerKey
+ }
let minNumberOfTasks = Infinity
let lessUsedWorkerKey!: number
for (const [index, workerItem] of this.pool.workers.entries()) {
const tasksUsage = workerItem.tasksUsage
- const workerTasks = tasksUsage?.run + tasksUsage?.running
- if (!this.isDynamicPool && workerTasks === 0) {
+ const workerTasks = tasksUsage.run + tasksUsage.running
+ if (workerTasks === 0) {
return index
} else if (workerTasks < minNumberOfTasks) {
minNumberOfTasks = workerTasks
}
return lessUsedWorkerKey
}
+
+ /** @inheritDoc */
+ public remove (workerKey: number): boolean {
+ return true
+ }
}