Commit | Line | Data |
---|---|---|
0e4fa348 JB |
1 | import type { Worker } from 'worker_threads'; |
2 | ||
3 | import { DynamicThreadPool, type ErrorHandler, type ExitHandler } from 'poolifier'; | |
8114d10e | 4 | |
6c1761d4 | 5 | import type { WorkerData, WorkerOptions } from '../types/Worker'; |
a4624c96 | 6 | import Utils from '../utils/Utils'; |
fd1fdf1b | 7 | import WorkerAbstract from './WorkerAbstract'; |
7874b0b1 | 8 | import { WorkerUtils } from './WorkerUtils'; |
a4624c96 | 9 | |
c3ee95af | 10 | export default class WorkerDynamicPool extends WorkerAbstract<WorkerData> { |
f2bf9948 | 11 | private readonly pool: DynamicThreadPool<WorkerData>; |
a4624c96 JB |
12 | |
13 | /** | |
14 | * Create a new `WorkerDynamicPool`. | |
15 | * | |
0e4fa348 JB |
16 | * @param workerScript - |
17 | * @param workerOptions - | |
a4624c96 | 18 | */ |
4d7227e6 JB |
19 | constructor(workerScript: string, workerOptions?: WorkerOptions) { |
20 | super(workerScript, workerOptions); | |
0e4fa348 JB |
21 | this.workerOptions.poolOptions.errorHandler = ( |
22 | this.workerOptions?.poolOptions?.errorHandler ?? WorkerUtils.defaultErrorHandler | |
23 | ).bind(this) as ErrorHandler<Worker>; | |
24 | this.workerOptions.poolOptions.exitHandler = ( | |
25 | this.workerOptions?.poolOptions?.exitHandler ?? WorkerUtils.defaultExitHandler | |
26 | ).bind(this) as ExitHandler<Worker>; | |
27 | this.workerOptions.poolOptions.messageHandler.bind(this); | |
e7aeea18 JB |
28 | this.pool = new DynamicThreadPool<WorkerData>( |
29 | this.workerOptions.poolMinSize, | |
30 | this.workerOptions.poolMaxSize, | |
31 | this.workerScript, | |
32 | this.workerOptions.poolOptions | |
33 | ); | |
a4624c96 JB |
34 | } |
35 | ||
36 | get size(): number { | |
37 | return this.pool.workers.length; | |
38 | } | |
39 | ||
6e0964c8 | 40 | get maxElementsPerWorker(): number | null { |
85f78bc0 | 41 | return null; |
a4624c96 JB |
42 | } |
43 | ||
44 | /** | |
45 | * | |
81797102 | 46 | * @returns |
a4624c96 JB |
47 | * @public |
48 | */ | |
6c3cfef8 JB |
49 | public async start(): Promise<void> { |
50 | // This is intentional | |
51 | } | |
a4624c96 | 52 | |
ded13d97 JB |
53 | /** |
54 | * | |
81797102 | 55 | * @returns |
ded13d97 JB |
56 | * @public |
57 | */ | |
58 | public async stop(): Promise<void> { | |
59 | return this.pool.destroy(); | |
60 | } | |
61 | ||
a4624c96 JB |
62 | /** |
63 | * | |
0e4fa348 | 64 | * @param elementData - |
81797102 | 65 | * @returns |
a4624c96 JB |
66 | * @public |
67 | */ | |
c3ee95af | 68 | public async addElement(elementData: WorkerData): Promise<void> { |
a4624c96 | 69 | await this.pool.execute(elementData); |
4bfd80fa | 70 | // Start element sequentially to optimize memory at startup |
e7aeea18 JB |
71 | this.workerOptions.elementStartDelay > 0 && |
72 | (await Utils.sleep(this.workerOptions.elementStartDelay)); | |
a4624c96 JB |
73 | } |
74 | } |