public tasksQueueBackPressureSize: number
/** @inheritdoc */
public onBackPressure?: (workerId: number) => void
+ /** @inheritdoc */
+ public onEmptyQueue?: (workerId: number) => void
private readonly taskFunctionsUsage: Map<string, WorkerUsage>
private readonly tasksQueue: Deque<Task<Data>>
return this.tasksQueue.size
}
- /**
- * Tasks queue maximum size.
- *
- * @returns The tasks queue maximum size.
- */
- private tasksQueueMaxSize (): number {
- return this.tasksQueue.maxSize
- }
-
/** @inheritdoc */
public enqueueTask (task: Task<Data>): number {
const tasksQueueSize = this.tasksQueue.push(task)
/** @inheritdoc */
public dequeueTask (): Task<Data> | undefined {
- return this.tasksQueue.shift()
+ const task = this.tasksQueue.shift()
+ if (this.onEmptyQueue != null && this.tasksQueue.size === 0) {
+ once(this.onEmptyQueue, this)(this.info.id as number)
+ }
+ return task
}
/** @inheritdoc */
public popTask (): Task<Data> | undefined {
- return this.tasksQueue.pop()
+ const task = this.tasksQueue.pop()
+ if (this.onEmptyQueue != null && this.tasksQueue.size === 0) {
+ once(this.onEmptyQueue, this)(this.info.id as number)
+ }
+ return task
}
/** @inheritdoc */
private initWorkerUsage (): WorkerUsage {
const getTasksQueueSize = (): number => {
- return this.tasksQueueSize()
+ return this.tasksQueue.size
}
const getTasksQueueMaxSize = (): number => {
- return this.tasksQueueMaxSize()
+ return this.tasksQueue.maxSize
}
return {
tasks: {