import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
import type {
IWorkerChoiceStrategy,
+ StrategyPolicy,
TaskStatisticsRequirements,
WorkerChoiceStrategyOptions
} from './selection-strategies-types'
>
extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
implements IWorkerChoiceStrategy {
+ /** @inheritDoc */
+ public readonly strategyPolicy: StrategyPolicy = {
+ dynamicWorkerUsage: false,
+ dynamicWorkerReady: true
+ }
+
/** @inheritDoc */
public readonly taskStatisticsRequirements: TaskStatisticsRequirements = {
runTime: {
}
/** @inheritDoc */
- public choose (): number {
- this.leastBusyNextWorkerNodeKey()
+ public choose (): number | undefined {
+ const chosenWorkerNodeKey = this.leastBusyNextWorkerNodeKey()
+ this.assignChosenWorkerNodeKey(chosenWorkerNodeKey)
return this.nextWorkerNodeKey
}
return true
}
- private leastBusyNextWorkerNodeKey (): void {
+ private leastBusyNextWorkerNodeKey (): number | undefined {
let minTime = Infinity
+ let chosenWorkerNodeKey: number | undefined
for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) {
const workerTime =
(workerNode.usage.runTime?.aggregate ?? 0) +
(workerNode.usage.waitTime?.aggregate ?? 0)
- if (this.isWorkerNodeReady(workerNodeKey) && workerTime === 0) {
- this.nextWorkerNodeKey = workerNodeKey
+ if (this.isWorkerNodeEligible(workerNodeKey) && workerTime === 0) {
+ chosenWorkerNodeKey = workerNodeKey
break
} else if (
- this.isWorkerNodeReady(workerNodeKey) &&
+ this.isWorkerNodeEligible(workerNodeKey) &&
workerTime < minTime
) {
minTime = workerTime
- this.nextWorkerNodeKey = workerNodeKey
+ chosenWorkerNodeKey = workerNodeKey
}
}
+ return chosenWorkerNodeKey
}
}