}
/** @inheritDoc */
- public choose (): number {
+ public choose (): number | undefined {
+ this.nextWorkerNodeKey = this.fairShareNextWorkerNodeKey()
+ return this.nextWorkerNodeKey
+ }
+
+ /** @inheritDoc */
+ public remove (workerNodeKey: number): boolean {
+ this.workersVirtualTaskEndTimestamp.splice(workerNodeKey, 1)
+ return true
+ }
+
+ private fairShareNextWorkerNodeKey (): number | undefined {
let minWorkerVirtualTaskEndTimestamp = Infinity
+ let chosenWorkerNodeKey: number | undefined
for (const [workerNodeKey] of this.pool.workerNodes.entries()) {
+ if (!this.isWorkerNodeEligible(workerNodeKey)) {
+ continue
+ }
if (this.workersVirtualTaskEndTimestamp[workerNodeKey] == null) {
this.computeWorkerVirtualTaskEndTimestamp(workerNodeKey)
}
const workerVirtualTaskEndTimestamp =
this.workersVirtualTaskEndTimestamp[workerNodeKey]
- if (
- this.workerNodeReady(workerNodeKey) &&
- workerVirtualTaskEndTimestamp < minWorkerVirtualTaskEndTimestamp
- ) {
+ if (workerVirtualTaskEndTimestamp < minWorkerVirtualTaskEndTimestamp) {
minWorkerVirtualTaskEndTimestamp = workerVirtualTaskEndTimestamp
- this.nextWorkerNodeId = workerNodeKey
+ chosenWorkerNodeKey = workerNodeKey
}
}
- return this.nextWorkerNodeId
- }
-
- /** @inheritDoc */
- public remove (workerNodeKey: number): boolean {
- this.workersVirtualTaskEndTimestamp.splice(workerNodeKey, 1)
- return true
+ return chosenWorkerNodeKey
}
/**