-import type { IPoolWorker } from '../pool-worker'
+import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
+import type { IPool } from '../pool'
+import type { IWorker } from '../worker'
import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
-import type { RequiredStatistics } from './selection-strategies-types'
+import type {
+ IWorkerChoiceStrategy,
+ RequiredStatistics,
+ WorkerChoiceStrategyOptions
+} from './selection-strategies-types'
/**
* Selects the less busy worker.
*
* @typeParam Worker - Type of worker which manages the strategy.
* @typeParam Data - Type of data sent to the worker. This can only be serializable data.
- * @typeParam Response - Type of response of execution. This can only be serializable data.
+ * @typeParam Response - Type of execution response. This can only be serializable data.
*/
export class LessBusyWorkerChoiceStrategy<
- Worker extends IPoolWorker,
- Data,
- Response
-> extends AbstractWorkerChoiceStrategy<Worker, Data, Response> {
- /** {@inheritDoc} */
+ Worker extends IWorker,
+ Data = unknown,
+ Response = unknown
+ >
+ extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
+ implements IWorkerChoiceStrategy {
+ /** @inheritDoc */
public readonly requiredStatistics: RequiredStatistics = {
- runTime: true
+ runTime: true,
+ avgRunTime: false,
+ medRunTime: false
}
- /** {@inheritDoc} */
+ /** @inheritDoc */
+ public constructor (
+ pool: IPool<Worker, Data, Response>,
+ opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+ ) {
+ super(pool, opts)
+ this.checkOptions(this.opts)
+ }
+
+ /** @inheritDoc */
public reset (): boolean {
return true
}
- /** {@inheritDoc} */
+ /** @inheritDoc */
public choose (): number {
+ const freeWorkerNodeKey = this.findFreeWorkerNodeKey()
+ if (freeWorkerNodeKey !== -1) {
+ return freeWorkerNodeKey
+ }
let minRunTime = Infinity
- let lessBusyWorkerKey!: number
- for (const [index, workerItem] of this.pool.workers.entries()) {
- const workerRunTime = workerItem.tasksUsage.runTime
- if (!this.isDynamicPool && workerRunTime === 0) {
+ let lessBusyWorkerNodeKey!: number
+ for (const [index, workerNode] of this.pool.workerNodes.entries()) {
+ const workerRunTime = workerNode.tasksUsage.runTime
+ if (workerRunTime === 0) {
return index
} else if (workerRunTime < minRunTime) {
minRunTime = workerRunTime
- lessBusyWorkerKey = index
+ lessBusyWorkerNodeKey = index
}
}
- return lessBusyWorkerKey
+ return lessBusyWorkerNodeKey
+ }
+
+ /** @inheritDoc */
+ public remove (workerNodeKey: number): boolean {
+ return true
}
}