- /**
- * Execute the task specified into the constructor with the data parameter.
- *
- * @param data The input for the task specified.
- * @returns Promise that is resolved when the task is done.
- */
- public execute (data: Data): Promise<Response> {
- // configure worker to handle message with the specified task
- const worker = this.chooseWorker()
- const previousWorkerIndex = this.tasks.get(worker)
- if (previousWorkerIndex !== undefined) {
- this.tasks.set(worker, previousWorkerIndex + 1)
- } else {
- throw Error('Worker could not be found in tasks map')
- }
- const id = ++this.id
- const res = this.internalExecute(worker, id)
- worker.postMessage({ data: data || {}, id: id })
- return res
+ /** @inheritDoc */
+ protected sendStartupMessageToWorker (workerNodeKey: number): void {
+ const workerNode = this.workerNodes[workerNodeKey]
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ const port2 = workerNode.messageChannel!.port2
+ workerNode.worker.postMessage(
+ {
+ ready: false,
+ workerId: this.getWorkerInfo(workerNodeKey)?.id,
+ port: port2
+ } satisfies MessageValue<Data>,
+ [port2]
+ )
+ }
+
+ /** @inheritDoc */
+ protected registerWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ this.workerNodes[workerNodeKey].messageChannel?.port1.on(
+ 'message',
+ listener
+ )
+ }
+
+ /** @inheritDoc */
+ protected registerOnceWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ this.workerNodes[workerNodeKey].messageChannel?.port1.once(
+ 'message',
+ listener
+ )
+ }
+
+ /** @inheritDoc */
+ protected deregisterWorkerMessageListener<Message extends Data | Response>(
+ workerNodeKey: number,
+ listener: (message: MessageValue<Message>) => void
+ ): void {
+ this.workerNodes[workerNodeKey].messageChannel?.port1.off(
+ 'message',
+ listener
+ )
+ }
+
+ /** @inheritDoc */
+ protected shallCreateDynamicWorker (): boolean {
+ return false
+ }
+
+ /** @inheritDoc */
+ protected checkAndEmitDynamicWorkerCreationEvents (): void {
+ /* noop */