X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fless-used-worker-choice-strategy.ts;h=e3c395f477e4adb1d8a042ca71317c84111aae60;hb=cb70b19deb97dc2c8ad1a769e59e870ee37f8e4d;hp=833e605babc9cb0b2f1fcf46d4a823b291e5fa73;hpb=e65c6cd9a3d6ed2e5b8af95120a5aa070101e945;p=poolifier.git diff --git a/src/pools/selection-strategies/less-used-worker-choice-strategy.ts b/src/pools/selection-strategies/less-used-worker-choice-strategy.ts index 833e605b..e3c395f4 100644 --- a/src/pools/selection-strategies/less-used-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/less-used-worker-choice-strategy.ts @@ -1,39 +1,63 @@ -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 { + IWorkerChoiceStrategy, + WorkerChoiceStrategyOptions +} from './selection-strategies-types' /** * Selects the less used 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 LessUsedWorkerChoiceStrategy< - Worker extends IPoolWorker, - Data, - Response -> extends AbstractWorkerChoiceStrategy { - /** {@inheritDoc} */ + Worker extends IWorker, + Data = unknown, + Response = unknown + > + extends AbstractWorkerChoiceStrategy + implements IWorkerChoiceStrategy { + /** @inheritDoc */ + public constructor ( + pool: IPool, + opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS + ) { + super(pool, opts) + this.checkOptions(this.opts) + } + + /** @inheritDoc */ public reset (): boolean { return true } - /** {@inheritDoc} */ - public choose (): Worker { + /** @inheritDoc */ + public choose (): number { + const freeWorkerNodeKey = this.findFreeWorkerNodeKey() + if (freeWorkerNodeKey !== -1) { + return freeWorkerNodeKey + } let minNumberOfTasks = Infinity - let lessUsedWorker!: Worker - for (const workerItem of this.pool.workers) { - const worker = workerItem.worker - const tasksUsage = this.pool.getWorkerTasksUsage(worker) - const workerTasks = - (tasksUsage?.run as number) + (tasksUsage?.running as number) - if (!this.isDynamicPool && workerTasks === 0) { - return worker + let lessUsedWorkerNodeKey!: number + for (const [index, workerNode] of this.pool.workerNodes.entries()) { + const tasksUsage = workerNode.tasksUsage + const workerTasks = tasksUsage.run + tasksUsage.running + if (workerTasks === 0) { + return index } else if (workerTasks < minNumberOfTasks) { minNumberOfTasks = workerTasks - lessUsedWorker = worker + lessUsedWorkerNodeKey = index } } - return lessUsedWorker + return lessUsedWorkerNodeKey + } + + /** @inheritDoc */ + public remove (workerNodeKey: number): boolean { + return true } }