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