import type { IPoolInternal } from '../pool-internal'
import { PoolType } from '../pool-internal'
-import type { IPoolWorker } from '../pool-worker'
+import type { IWorker } from '../worker'
import type {
IWorkerChoiceStrategy,
- RequiredStatistics
+ RequiredStatistics,
+ WorkerChoiceStrategyOptions
} from './selection-strategies-types'
/**
- * Abstract worker choice strategy class.
+ * Worker choice strategy abstract base class.
*
* @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.
*/
export abstract class AbstractWorkerChoiceStrategy<
- Worker extends IPoolWorker,
- Data,
- Response
+ Worker extends IWorker,
+ Data = unknown,
+ Response = unknown
> implements IWorkerChoiceStrategy {
- /** {@inheritDoc} */
- public readonly isDynamicPool: boolean
- /** {@inheritDoc} */
- public requiredStatistics: RequiredStatistics = {
- runTime: false
+ /** @inheritDoc */
+ protected readonly isDynamicPool: boolean
+ /** @inheritDoc */
+ public readonly requiredStatistics: RequiredStatistics = {
+ runTime: false,
+ avgRunTime: false,
+ medRunTime: false
}
/**
- * Constructs a worker choice strategy attached to the pool.
+ * Constructs a worker choice strategy bound to the pool.
*
* @param pool - The pool instance.
+ * @param opts - The worker choice strategy options.
*/
public constructor (
- protected readonly pool: IPoolInternal<Worker, Data, Response>
+ protected readonly pool: IPoolInternal<Worker, Data, Response>,
+ protected readonly opts: WorkerChoiceStrategyOptions = { medRunTime: false }
) {
+ this.checkOptions()
this.isDynamicPool = this.pool.type === PoolType.DYNAMIC
+ this.choose.bind(this)
}
- /** {@inheritDoc} */
+ private checkOptions (): void {
+ if (this.requiredStatistics.avgRunTime && this.opts.medRunTime === true) {
+ this.requiredStatistics.medRunTime = true
+ }
+ }
+
+ /** @inheritDoc */
public abstract reset (): boolean
- /** {@inheritDoc} */
+ /** @inheritDoc */
public abstract choose (): number
+
+ /** @inheritDoc */
+ public abstract remove (workerNodeKey: number): boolean
}