* This is the number of tasks that can be enqueued before the worker node has back pressure.
*/
tasksQueueBackPressureSize: number
+ /**
+ * Callback invoked when worker node tasks queue is back pressured.
+ *
+ * @param workerId - The worker id.
+ */
+ onBackPressure?: (workerId: number) => void
+ /**
+ * Callback invoked when worker node tasks queue is empty.
+ *
+ * @param workerId - The worker id.
+ */
+ onEmptyQueue?: (workerId: number) => void
/**
* Tasks queue size.
*
* @returns The tasks queue size.
*/
readonly enqueueTask: (task: Task<Data>) => number
+ /**
+ * Prepends a task to the tasks queue.
+ *
+ * @param task - The task to prepend.
+ * @returns The tasks queue size.
+ */
+ readonly unshiftTask: (task: Task<Data>) => number
/**
* Dequeue task.
*
* @returns The dequeued task.
*/
readonly dequeueTask: () => Task<Data> | undefined
+ /**
+ * Pops a task from the tasks queue.
+ *
+ * @returns The popped task.
+ */
+ readonly popTask: () => Task<Data> | undefined
/**
* Clears tasks queue.
*/