Commit | Line | Data |
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ffd71f2c | 1 | import { Worker, isMainThread } from 'worker_threads'; |
c3ee95af | 2 | import { WorkerData, WorkerOptions, WorkerProcessType } from '../types/Worker'; |
b8da29bc | 3 | |
322c9192 | 4 | import Constants from '../utils/Constants'; |
ffd71f2c | 5 | import { PoolOptions } from 'poolifier'; |
73b9adec | 6 | import type WorkerAbstract from './WorkerAbstract'; |
a4624c96 | 7 | import WorkerDynamicPool from './WorkerDynamicPool'; |
6013bc53 | 8 | import WorkerSet from './WorkerSet'; |
a4624c96 | 9 | import WorkerStaticPool from './WorkerStaticPool'; |
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10 | |
11 | export default class WorkerFactory { | |
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12 | private constructor() { |
13 | // This is intentional | |
14 | } | |
8df3f0a9 | 15 | |
d070d967 | 16 | public static getWorkerImplementation<T extends WorkerData>(workerScript: string, workerProcessType: WorkerProcessType, workerOptions?: WorkerOptions): WorkerAbstract<T> | null { |
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17 | if (!isMainThread) { |
18 | throw new Error('Trying to get a worker implementation outside the main thread'); | |
19 | } | |
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20 | workerOptions = workerOptions ?? {} as WorkerOptions; |
21 | workerOptions.workerStartDelay = workerOptions?.workerStartDelay ?? Constants.WORKER_START_DELAY; | |
22 | workerOptions.elementStartDelay = workerOptions?.elementStartDelay ?? Constants.ELEMENT_START_DELAY; | |
23 | workerOptions.poolOptions = workerOptions?.poolOptions ?? {} as PoolOptions<Worker>; | |
24 | workerOptions?.messageHandler && (workerOptions.poolOptions.messageHandler = workerOptions.messageHandler); | |
c3ee95af | 25 | let workerImplementation: WorkerAbstract<T> = null; |
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26 | switch (workerProcessType) { |
27 | case WorkerProcessType.WORKER_SET: | |
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28 | workerOptions.elementsPerWorker = workerOptions?.elementsPerWorker ?? Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER; |
29 | workerImplementation = new WorkerSet(workerScript, workerOptions); | |
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30 | break; |
31 | case WorkerProcessType.STATIC_POOL: | |
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32 | workerOptions.poolMaxSize = workerOptions?.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE; |
33 | workerImplementation = new WorkerStaticPool(workerScript, workerOptions); | |
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34 | break; |
35 | case WorkerProcessType.DYNAMIC_POOL: | |
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36 | workerOptions.poolMinSize = workerOptions?.poolMinSize ?? Constants.DEFAULT_WORKER_POOL_MIN_SIZE; |
37 | workerOptions.poolMaxSize = workerOptions?.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE; | |
38 | workerImplementation = new WorkerDynamicPool(workerScript, workerOptions); | |
535aaa27 | 39 | break; |
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40 | default: |
41 | throw new Error(`Worker implementation type '${workerProcessType}' not found`); | |
6013bc53 | 42 | } |
535aaa27 | 43 | return workerImplementation; |
6013bc53 JB |
44 | } |
45 | } |