Commit | Line | Data |
---|---|---|
ffd71f2c | 1 | import { Worker, isMainThread } from 'worker_threads'; |
b8da29bc | 2 | |
6c1761d4 | 3 | import type { PoolOptions } from 'poolifier'; |
8114d10e JB |
4 | |
5 | import { WorkerData, WorkerOptions, WorkerProcessType } from '../types/Worker'; | |
73b9adec | 6 | import type WorkerAbstract from './WorkerAbstract'; |
3fa0f0ed | 7 | import WorkerConstants from './WorkerConstants'; |
a4624c96 | 8 | import WorkerDynamicPool from './WorkerDynamicPool'; |
6013bc53 | 9 | import WorkerSet from './WorkerSet'; |
a4624c96 | 10 | import WorkerStaticPool from './WorkerStaticPool'; |
6013bc53 JB |
11 | |
12 | export default class WorkerFactory { | |
6c3cfef8 JB |
13 | private constructor() { |
14 | // This is intentional | |
15 | } | |
8df3f0a9 | 16 | |
e7aeea18 JB |
17 | public static getWorkerImplementation<T extends WorkerData>( |
18 | workerScript: string, | |
19 | workerProcessType: WorkerProcessType, | |
20 | workerOptions?: WorkerOptions | |
21 | ): WorkerAbstract<T> | null { | |
ded13d97 | 22 | if (!isMainThread) { |
44a95b7f | 23 | throw new Error('Cannot get a worker implementation outside the main thread'); |
ded13d97 | 24 | } |
e7aeea18 JB |
25 | workerOptions = workerOptions ?? ({} as WorkerOptions); |
26 | workerOptions.workerStartDelay = | |
3fa0f0ed | 27 | workerOptions?.workerStartDelay ?? WorkerConstants.DEFAULT_WORKER_START_DELAY; |
e7aeea18 | 28 | workerOptions.elementStartDelay = |
3fa0f0ed | 29 | workerOptions?.elementStartDelay ?? WorkerConstants.DEFAULT_ELEMENT_START_DELAY; |
e7aeea18 JB |
30 | workerOptions.poolOptions = workerOptions?.poolOptions ?? ({} as PoolOptions<Worker>); |
31 | workerOptions?.messageHandler && | |
32 | (workerOptions.poolOptions.messageHandler = workerOptions.messageHandler); | |
c3ee95af | 33 | let workerImplementation: WorkerAbstract<T> = null; |
535aaa27 JB |
34 | switch (workerProcessType) { |
35 | case WorkerProcessType.WORKER_SET: | |
e7aeea18 | 36 | workerOptions.elementsPerWorker = |
3fa0f0ed | 37 | workerOptions?.elementsPerWorker ?? WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER; |
d070d967 | 38 | workerImplementation = new WorkerSet(workerScript, workerOptions); |
535aaa27 JB |
39 | break; |
40 | case WorkerProcessType.STATIC_POOL: | |
e7aeea18 | 41 | workerOptions.poolMaxSize = |
3fa0f0ed | 42 | workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE; |
d070d967 | 43 | workerImplementation = new WorkerStaticPool(workerScript, workerOptions); |
535aaa27 JB |
44 | break; |
45 | case WorkerProcessType.DYNAMIC_POOL: | |
e7aeea18 | 46 | workerOptions.poolMinSize = |
3fa0f0ed | 47 | workerOptions?.poolMinSize ?? WorkerConstants.DEFAULT_POOL_MIN_SIZE; |
e7aeea18 | 48 | workerOptions.poolMaxSize = |
3fa0f0ed | 49 | workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE; |
d070d967 | 50 | workerImplementation = new WorkerDynamicPool(workerScript, workerOptions); |
535aaa27 | 51 | break; |
fb226c9b | 52 | default: |
3fa0f0ed | 53 | // eslint-disable-next-line @typescript-eslint/restrict-template-expressions |
fb226c9b | 54 | throw new Error(`Worker implementation type '${workerProcessType}' not found`); |
6013bc53 | 55 | } |
535aaa27 | 56 | return workerImplementation; |
6013bc53 JB |
57 | } |
58 | } |