-import {
- DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
- 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 { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../../utils.js'
+import type { IPool } from '../pool.js'
+import type { IWorker } from '../worker.js'
+import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy.js'
import type {
IWorkerChoiceStrategy,
TaskStatisticsRequirements,
WorkerChoiceStrategyOptions
-} from './selection-strategies-types'
+} from './selection-strategies-types.js'
/**
* Selects the least busy worker.
/** @inheritDoc */
public constructor (
pool: IPool<Worker, Data, Response>,
- opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+ opts?: WorkerChoiceStrategyOptions
) {
super(pool, opts)
this.setTaskStatisticsRequirements(this.opts)
}
private leastBusyNextWorkerNodeKey (): number | undefined {
+ if (this.pool.workerNodes.length === 0) {
+ return undefined
+ }
return this.pool.workerNodes.reduce(
(minWorkerNodeKey, workerNode, workerNodeKey, workerNodes) => {
- return (workerNode.usage.runTime?.aggregate ?? 0) +
- (workerNode.usage.waitTime?.aggregate ?? 0) <
- (workerNodes[minWorkerNodeKey].usage.runTime?.aggregate ?? 0) +
- (workerNodes[minWorkerNodeKey].usage.waitTime?.aggregate ?? 0)
+ return this.isWorkerNodeReady(workerNodeKey) &&
+ (workerNode.usage.runTime.aggregate ?? 0) +
+ (workerNode.usage.waitTime.aggregate ?? 0) <
+ (workerNodes[minWorkerNodeKey].usage.runTime.aggregate ?? 0) +
+ (workerNodes[minWorkerNodeKey].usage.waitTime.aggregate ?? 0)
? workerNodeKey
: minWorkerNodeKey
},