}
/** @inheritDoc */
- public choose (): number {
- return this.leastUsedNextWorkerNodeKey()
+ public choose (): number | undefined {
+ const chosenWorkerNodeKey = this.leastUsedNextWorkerNodeKey()
+ this.assignChosenWorkerNodeKey(chosenWorkerNodeKey)
+ return this.nextWorkerNodeKey
}
/** @inheritDoc */
return true
}
- private leastUsedNextWorkerNodeKey (): number {
+ private leastUsedNextWorkerNodeKey (): number | undefined {
let minNumberOfTasks = Infinity
+ let chosenWorkerNodeKey: number | undefined
for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) {
const workerTaskStatistics = workerNode.usage.tasks
const workerTasks =
workerTaskStatistics.executing +
workerTaskStatistics.queued
if (this.isWorkerNodeEligible(workerNodeKey) && workerTasks === 0) {
- this.nextWorkerNodeKey = workerNodeKey
+ chosenWorkerNodeKey = workerNodeKey
break
} else if (
this.isWorkerNodeEligible(workerNodeKey) &&
workerTasks < minNumberOfTasks
) {
minNumberOfTasks = workerTasks
- this.nextWorkerNodeKey = workerNodeKey
+ chosenWorkerNodeKey = workerNodeKey
}
}
- return this.nextWorkerNodeKey
+ return chosenWorkerNodeKey
}
}