X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fround-robin-worker-choice-strategy.ts;h=5ee219202aff6c7ec44f1af67b1264cdd16e8b40;hb=3300e7bcb155358c2cc1eed6e4ac11581457616f;hp=0a9fbb7b0a386e1f2ec2f7a78c8f0bf61a9d8572;hpb=6ffb8e34e2276cc0e0f5576749e190d1d914b7d4;p=poolifier.git diff --git a/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts index 0a9fbb7b..5ee21920 100644 --- a/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts @@ -1,36 +1,50 @@ import type { IPoolWorker } from '../pool-worker' import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy' +import type { IWorkerChoiceStrategy } from './selection-strategies-types' /** * Selects the next worker in a round robin fashion. * - * @template Worker Type of worker which manages the strategy. - * @template Data Type of data sent to the worker. This can only be serializable data. - * @template Response Type of response of execution. This can only be serializable data. + * @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 class RoundRobinWorkerChoiceStrategy< - Worker extends IPoolWorker, - Data, - Response -> extends AbstractWorkerChoiceStrategy { + Worker extends IPoolWorker, + Data, + Response + > + extends AbstractWorkerChoiceStrategy + implements IWorkerChoiceStrategy { /** - * Index for the next worker. + * Id of the next worker. */ - private nextWorkerIndex: number = 0 + private nextWorkerId: number = 0 - /** @inheritDoc */ + /** {@inheritDoc} */ public reset (): boolean { - this.nextWorkerIndex = 0 + this.nextWorkerId = 0 return true } - /** @inheritDoc */ - public choose (): Worker { - const chosenWorker = this.pool.workers[this.nextWorkerIndex] - this.nextWorkerIndex = - this.nextWorkerIndex === this.pool.workers.length - 1 + /** {@inheritDoc} */ + public choose (): number { + const chosenWorkerKey = this.nextWorkerId + this.nextWorkerId = + this.nextWorkerId === this.pool.workers.length - 1 ? 0 - : this.nextWorkerIndex + 1 - return chosenWorker + : this.nextWorkerId + 1 + return chosenWorkerKey + } + + /** {@inheritDoc} */ + public remove (workerKey: number): boolean { + if (this.nextWorkerId === workerKey) { + this.nextWorkerId = + this.nextWorkerId > this.pool.workers.length - 1 + ? this.pool.workers.length - 1 + : this.nextWorkerId + } + return true } }