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66a7748d | 1 | import type { EventEmitterAsyncResource } from 'node:events' |
2b59e7f7 | 2 | |
66a7748d | 3 | import { FixedThreadPool, type PoolInfo } from 'poolifier' |
8114d10e | 4 | |
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5 | import { WorkerAbstract } from './WorkerAbstract.js' |
6 | import type { WorkerData, WorkerOptions } from './WorkerTypes.js' | |
7 | import { randomizeDelay, sleep } from './WorkerUtils.js' | |
a4624c96 | 8 | |
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9 | export class WorkerFixedPool<D extends WorkerData, R extends WorkerData> extends WorkerAbstract< |
10 | D, | |
11 | R | |
12 | > { | |
13 | private readonly pool: FixedThreadPool<D, R> | |
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14 | |
15 | /** | |
1d8f226b | 16 | * Creates a new `WorkerFixedPool`. |
a4624c96 | 17 | * |
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18 | * @param workerScript - |
19 | * @param workerOptions - | |
a4624c96 | 20 | */ |
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21 | constructor (workerScript: string, workerOptions: WorkerOptions) { |
22 | super(workerScript, workerOptions) | |
3b09e788 | 23 | this.pool = new FixedThreadPool<D, R>( |
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24 | this.workerOptions.poolMaxSize, |
25 | this.workerScript, | |
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26 | this.workerOptions.poolOptions |
27 | ) | |
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28 | } |
29 | ||
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30 | get info (): PoolInfo { |
31 | return this.pool.info | |
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32 | } |
33 | ||
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34 | get size (): number { |
35 | return this.pool.info.workerNodes | |
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36 | } |
37 | ||
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38 | get maxElementsPerWorker (): number | undefined { |
39 | return undefined | |
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40 | } |
41 | ||
66a7748d | 42 | get emitter (): EventEmitterAsyncResource | undefined { |
5199f9fd | 43 | return this.pool.emitter |
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44 | } |
45 | ||
8baf3f8f | 46 | /** @inheritDoc */ |
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47 | public start (): void { |
48 | this.pool.start() | |
81797102 | 49 | } |
a4624c96 | 50 | |
8baf3f8f | 51 | /** @inheritDoc */ |
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52 | public async stop (): Promise<void> { |
53 | await this.pool.destroy() | |
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54 | } |
55 | ||
8baf3f8f | 56 | /** @inheritDoc */ |
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57 | public async addElement (elementData: D): Promise<R> { |
58 | const response = await this.pool.execute(elementData) | |
4bfd80fa | 59 | // Start element sequentially to optimize memory at startup |
66a7748d | 60 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
da47bc29 | 61 | this.workerOptions.elementAddDelay! > 0 && |
66a7748d | 62 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
da47bc29 | 63 | (await sleep(randomizeDelay(this.workerOptions.elementAddDelay!))) |
3b09e788 | 64 | return response |
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65 | } |
66 | } |