- public choose (): Worker {
- const chosenWorker = this.pool.workers[this.nextWorkerIndex]
- this.nextWorkerIndex =
- this.nextWorkerIndex === this.pool.workers.length - 1
+ public reset (): boolean {
+ this.resetWorkerNodeKeyProperties()
+ return true
+ }
+
+ /** @inheritDoc */
+ public update (): boolean {
+ return true
+ }
+
+ /** @inheritDoc */
+ public choose (): number | undefined {
+ const chosenWorkerNodeKey = this.nextWorkerNodeKey
+ this.setPreviousWorkerNodeKey(chosenWorkerNodeKey)
+ this.roundRobinNextWorkerNodeKey()
+ this.checkNextWorkerNodeKey()
+ return chosenWorkerNodeKey
+ }
+
+ /** @inheritDoc */
+ public remove (workerNodeKey: number): boolean {
+ if (this.pool.workerNodes.length === 0) {
+ this.reset()
+ return true
+ }
+ if (
+ this.nextWorkerNodeKey === workerNodeKey &&
+ this.nextWorkerNodeKey > this.pool.workerNodes.length - 1
+ ) {
+ this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
+ }
+ if (
+ this.previousWorkerNodeKey === workerNodeKey &&
+ this.previousWorkerNodeKey > this.pool.workerNodes.length - 1
+ ) {
+ this.previousWorkerNodeKey = this.pool.workerNodes.length - 1
+ }
+ return true
+ }
+
+ private roundRobinNextWorkerNodeKey (): number | undefined {
+ this.nextWorkerNodeKey =
+ this.nextWorkerNodeKey === this.pool.workerNodes.length - 1