Commit | Line | Data |
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c32882b0 | 1 | import { FixedThreadPool, PoolOptions } from 'poolifier'; |
a4624c96 | 2 | |
a4624c96 | 3 | import Utils from '../utils/Utils'; |
c32882b0 | 4 | import { Worker } from 'worker_threads'; |
fd1fdf1b | 5 | import WorkerAbstract from './WorkerAbstract'; |
a4624c96 | 6 | import { WorkerData } from '../types/Worker'; |
7874b0b1 | 7 | import { WorkerUtils } from './WorkerUtils'; |
a4624c96 | 8 | |
fd1fdf1b | 9 | export default class WorkerStaticPool<T> extends WorkerAbstract { |
8df3f0a9 | 10 | private pool: FixedThreadPool<WorkerData>; |
a4624c96 JB |
11 | |
12 | /** | |
13 | * Create a new `WorkerStaticPool`. | |
14 | * | |
15 | * @param {string} workerScript | |
e71cccf3 | 16 | * @param {number} numberOfThreads |
322c9192 | 17 | * @param {number} startWorkerDelay |
9efbac5b | 18 | * @param {PoolOptions} opts |
a4624c96 | 19 | */ |
9efbac5b | 20 | constructor(workerScript: string, numberOfThreads: number, startWorkerDelay?: number, opts?: PoolOptions<Worker>) { |
322c9192 | 21 | super(workerScript, startWorkerDelay); |
8df3f0a9 JB |
22 | opts.exitHandler = opts?.exitHandler ?? WorkerUtils.defaultExitHandler; |
23 | this.pool = new FixedThreadPool(numberOfThreads, this.workerScript, opts); | |
a4624c96 JB |
24 | } |
25 | ||
26 | get size(): number { | |
27 | return this.pool.workers.length; | |
28 | } | |
29 | ||
6e0964c8 | 30 | get maxElementsPerWorker(): number | null { |
85f78bc0 | 31 | return null; |
a4624c96 JB |
32 | } |
33 | ||
34 | /** | |
35 | * | |
3340259a | 36 | * @returns {Promise<void>} |
a4624c96 JB |
37 | * @public |
38 | */ | |
39 | // eslint-disable-next-line @typescript-eslint/no-empty-function | |
8df3f0a9 | 40 | public async start(): Promise<void> {} |
a4624c96 | 41 | |
ded13d97 JB |
42 | /** |
43 | * | |
3340259a | 44 | * @returns {Promise<void>} |
ded13d97 JB |
45 | * @public |
46 | */ | |
47 | public async stop(): Promise<void> { | |
48 | return this.pool.destroy(); | |
49 | } | |
50 | ||
a4624c96 JB |
51 | /** |
52 | * | |
6e0964c8 | 53 | * @param {T} elementData |
3340259a | 54 | * @returns {Promise<void>} |
a4624c96 JB |
55 | * @public |
56 | */ | |
8434025b | 57 | public async addElement(elementData: T): Promise<void> { |
a4624c96 JB |
58 | await this.pool.execute(elementData); |
59 | // Start worker sequentially to optimize memory at startup | |
322c9192 | 60 | await Utils.sleep(this.workerStartDelay); |
a4624c96 JB |
61 | } |
62 | } |