X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fworker-choice-strategy-context.ts;h=a0ba25838dc524ea678c97701e20ac7aa1f7b413;hb=f0bbd436ca3a985f79cf530ba82805d8d617d509;hp=2a487acbdfde0f2d07c2f9eae9233d26da387604;hpb=7254e41972596ec68a8790747b9fd4ef0def5afc;p=poolifier.git diff --git a/src/pools/selection-strategies/worker-choice-strategy-context.ts b/src/pools/selection-strategies/worker-choice-strategy-context.ts index 2a487acb..a0ba2583 100644 --- a/src/pools/selection-strategies/worker-choice-strategy-context.ts +++ b/src/pools/selection-strategies/worker-choice-strategy-context.ts @@ -2,12 +2,14 @@ import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils' import type { IPool } from '../pool' import type { IWorker } from '../worker' import { FairShareWorkerChoiceStrategy } from './fair-share-worker-choice-strategy' -import { LessBusyWorkerChoiceStrategy } from './less-busy-worker-choice-strategy' -import { LessUsedWorkerChoiceStrategy } from './less-used-worker-choice-strategy' +import { InterleavedWeightedRoundRobinWorkerChoiceStrategy } from './interleaved-weighted-round-robin-worker-choice-strategy' +import { LeastBusyWorkerChoiceStrategy } from './least-busy-worker-choice-strategy' +import { LeastUsedWorkerChoiceStrategy } from './least-used-worker-choice-strategy' +import { LeastEluWorkerChoiceStrategy } from './least-elu-worker-choice-strategy' import { RoundRobinWorkerChoiceStrategy } from './round-robin-worker-choice-strategy' import type { IWorkerChoiceStrategy, - RequiredStatistics, + TaskStatisticsRequirements, WorkerChoiceStrategy, WorkerChoiceStrategyOptions } from './selection-strategies-types' @@ -56,15 +58,22 @@ export class WorkerChoiceStrategyContext< ) ], [ - WorkerChoiceStrategies.LESS_USED, - new (LessUsedWorkerChoiceStrategy.bind(this))( + WorkerChoiceStrategies.LEAST_USED, + new (LeastUsedWorkerChoiceStrategy.bind(this))( pool, opts ) ], [ - WorkerChoiceStrategies.LESS_BUSY, - new (LessBusyWorkerChoiceStrategy.bind(this))( + WorkerChoiceStrategies.LEAST_BUSY, + new (LeastBusyWorkerChoiceStrategy.bind(this))( + pool, + opts + ) + ], + [ + WorkerChoiceStrategies.LEAST_ELU, + new (LeastEluWorkerChoiceStrategy.bind(this))( pool, opts ) @@ -83,21 +92,29 @@ export class WorkerChoiceStrategyContext< Data, Response >(pool, opts) + ], + [ + WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN, + new (InterleavedWeightedRoundRobinWorkerChoiceStrategy.bind(this))< + Worker, + Data, + Response + >(pool, opts) ] ]) } /** - * Gets the worker choice strategy in the context required statistics. + * Gets the worker choice strategy task statistics requirements in the context. * - * @returns The required statistics. + * @returns The task statistics requirements. */ - public getRequiredStatistics (): RequiredStatistics { + public getTaskStatisticsRequirements (): TaskStatisticsRequirements { return ( this.workerChoiceStrategies.get( this.workerChoiceStrategy ) as IWorkerChoiceStrategy - ).requiredStatistics + ).taskStatisticsRequirements } /** @@ -114,21 +131,39 @@ export class WorkerChoiceStrategyContext< this.workerChoiceStrategies.get(this.workerChoiceStrategy)?.reset() } + /** + * Updates the worker node key in the worker choice strategy internals in the context. + * + * @returns `true` if the update is successful, `false` otherwise. + */ + public update (workerNodeKey: number): boolean { + return ( + this.workerChoiceStrategies.get( + this.workerChoiceStrategy + ) as IWorkerChoiceStrategy + ).update(workerNodeKey) + } + /** * Executes the worker choice strategy algorithm in the context. * * @returns The key of the worker node. + * @throws {@link https://nodejs.org/api/errors.html#class-error} If the worker node key is null or undefined. */ public execute (): number { - return ( + const workerNodeKey = ( this.workerChoiceStrategies.get( this.workerChoiceStrategy ) as IWorkerChoiceStrategy ).choose() + if (workerNodeKey == null) { + throw new Error('Worker node key chosen is null or undefined') + } + return workerNodeKey } /** - * Removes a worker node key from the worker choice strategy in the context. + * Removes the worker node key from the worker choice strategy in the context. * * @param workerNodeKey - The key of the worker node. * @returns `true` if the removal is successful, `false` otherwise. @@ -147,8 +182,8 @@ export class WorkerChoiceStrategyContext< * @param opts - The worker choice strategy options. */ public setOptions (opts: WorkerChoiceStrategyOptions): void { - this.workerChoiceStrategies.forEach(workerChoiceStrategy => { + for (const workerChoiceStrategy of this.workerChoiceStrategies.values()) { workerChoiceStrategy.setOptions(opts) - }) + } } }