X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fround-robin-worker-choice-strategy.ts;h=b023234a202cacc50b8f2505859e4e444bcf8f0f;hb=43b84974f72aecd75b4b592e0009359bd5baf228;hp=80e958a406fa2209ce1c20eded5b8e9b79e9ca0b;hpb=027063571693f211b35c8851566a063201adb9af;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 80e958a4..b023234a 100644 --- a/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts +++ b/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts @@ -1,13 +1,19 @@ +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 } from './selection-strategies-types' +import type { + IWorkerChoiceStrategy, + StrategyPolicy, + WorkerChoiceStrategyOptions +} from './selection-strategies-types' /** * Selects the next worker in a round robin fashion. * * @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 execution response. This can only be serializable data. + * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data. + * @typeParam Response - Type of execution response. This can only be structured-cloneable data. */ export class RoundRobinWorkerChoiceStrategy< Worker extends IWorker, @@ -16,39 +22,57 @@ export class RoundRobinWorkerChoiceStrategy< > extends AbstractWorkerChoiceStrategy implements IWorkerChoiceStrategy { - /** - * Id of the next worker node. - */ - private nextWorkerNodeId: number = 0 + /** @inheritDoc */ + public readonly strategyPolicy: StrategyPolicy = { + useDynamicWorker: true + } + + /** @inheritDoc */ + public constructor ( + pool: IPool, + opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS + ) { + super(pool, opts) + this.setTaskStatisticsRequirements(this.opts) + } /** @inheritDoc */ public reset (): boolean { - this.nextWorkerNodeId = 0 + this.nextWorkerNodeKey = 0 + return true + } + + /** @inheritDoc */ + public update (): boolean { return true } /** @inheritDoc */ public choose (): number { - const chosenWorkerNodeKey = this.nextWorkerNodeId - this.nextWorkerNodeId = - this.nextWorkerNodeId === this.pool.workerNodes.length - 1 - ? 0 - : this.nextWorkerNodeId + 1 + const chosenWorkerNodeKey = this.nextWorkerNodeKey + do { + this.roundRobinNextWorkerNodeKey() + } while (!this.isWorkerNodeReady(this.nextWorkerNodeKey)) return chosenWorkerNodeKey } /** @inheritDoc */ public remove (workerNodeKey: number): boolean { - if (this.nextWorkerNodeId === workerNodeKey) { + if (this.nextWorkerNodeKey === workerNodeKey) { if (this.pool.workerNodes.length === 0) { - this.nextWorkerNodeId = 0 - } else { - this.nextWorkerNodeId = - this.nextWorkerNodeId > this.pool.workerNodes.length - 1 - ? this.pool.workerNodes.length - 1 - : this.nextWorkerNodeId + this.nextWorkerNodeKey = 0 + } else if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) { + this.nextWorkerNodeKey = this.pool.workerNodes.length - 1 } } return true } + + private roundRobinNextWorkerNodeKey (): number { + this.nextWorkerNodeKey = + this.nextWorkerNodeKey === this.pool.workerNodes.length - 1 + ? 0 + : this.nextWorkerNodeKey + 1 + return this.nextWorkerNodeKey + } }