+ public execute (): number {
+ const workerNodeKey = (
+ this.workerChoiceStrategies.get(
+ this.workerChoiceStrategy
+ ) as IWorkerChoiceStrategy
+ ).choose()
+ if (workerNodeKey == null) {
+ throw new Error('Worker node key chosen is null or undefined')
+ }
+ return workerNodeKey
+ }
+
+ /**
+ * Removes the worker node key from the worker choice strategy in the context.
+ *
+ * @param workerNodeKey - The key of the worker node.
+ * @returns `true` if the removal is successful, `false` otherwise.
+ */
+ public remove (workerNodeKey: number): boolean {
+ return (
+ this.workerChoiceStrategies.get(
+ this.workerChoiceStrategy
+ ) as IWorkerChoiceStrategy
+ ).remove(workerNodeKey)
+ }
+
+ /**
+ * Sets the worker choice strategies in the context options.
+ *
+ * @param opts - The worker choice strategy options.
+ */
+ public setOptions (opts: WorkerChoiceStrategyOptions): void {
+ for (const workerChoiceStrategy of this.workerChoiceStrategies.values()) {
+ workerChoiceStrategy.setOptions(opts)
+ }