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- /**
- * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
- import type { QueueChildMessage, TaskQueue } from './types';
- export declare type ComputeTaskPriorityCallback = (method: string, ...args: Array<unknown>) => number;
- declare type QueueItem = {
- task: QueueChildMessage;
- priority: number;
- };
- /**
- * Priority queue that processes tasks in natural ordering (lower priority first)
- * accoridng to the priority computed by the function passed in the constructor.
- *
- * FIFO ordering isn't guaranteed for tasks with the same priority.
- *
- * Worker specific tasks with the same priority as a non-worker specific task
- * are always processed first.
- */
- export default class PriorityQueue implements TaskQueue {
- private _computePriority;
- private _queue;
- private _sharedQueue;
- constructor(_computePriority: ComputeTaskPriorityCallback);
- enqueue(task: QueueChildMessage, workerId?: number): void;
- _enqueue(task: QueueChildMessage, queue: MinHeap<QueueItem>): void;
- dequeue(workerId: number): QueueChildMessage | null;
- _getWorkerQueue(workerId: number): MinHeap<QueueItem>;
- }
- declare type HeapItem = {
- priority: number;
- };
- declare class MinHeap<TItem extends HeapItem> {
- private _heap;
- peek(): TItem | null;
- add(item: TItem): void;
- poll(): TItem | null;
- }
- export {};
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