Commit | Line | Data |
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ffd71f2c | 1 | import { Worker, isMainThread } from 'worker_threads'; |
b8da29bc JB |
2 | import { WorkerOptions, WorkerProcessType } from '../types/Worker'; |
3 | ||
322c9192 | 4 | import Constants from '../utils/Constants'; |
ffd71f2c | 5 | import { PoolOptions } from 'poolifier'; |
fd1fdf1b | 6 | import WorkerAbstract from './WorkerAbstract'; |
a4624c96 | 7 | import WorkerDynamicPool from './WorkerDynamicPool'; |
6013bc53 | 8 | import WorkerSet from './WorkerSet'; |
a4624c96 | 9 | import WorkerStaticPool from './WorkerStaticPool'; |
6013bc53 JB |
10 | |
11 | export default class WorkerFactory { | |
6c3cfef8 JB |
12 | private constructor() { |
13 | // This is intentional | |
14 | } | |
8df3f0a9 | 15 | |
ffd71f2c | 16 | public static getWorkerImplementation<T>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): WorkerAbstract | null { |
ded13d97 JB |
17 | if (!isMainThread) { |
18 | throw new Error('Trying to get a worker implementation outside the main thread'); | |
19 | } | |
535aaa27 | 20 | options = options ?? {} as WorkerOptions; |
2f70f96f | 21 | options.startDelay = options?.startDelay ?? Constants.WORKER_START_DELAY; |
ffd71f2c | 22 | options.poolOptions = options?.poolOptions ?? {} as PoolOptions<Worker>; |
b55c9112 | 23 | options?.messageHandler && (options.poolOptions.messageHandler = options.messageHandler); |
535aaa27 JB |
24 | let workerImplementation: WorkerAbstract = null; |
25 | switch (workerProcessType) { | |
26 | case WorkerProcessType.WORKER_SET: | |
27 | options.elementsPerWorker = options.elementsPerWorker ?? Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER; | |
ffd71f2c | 28 | workerImplementation = new WorkerSet<T>(workerScript, options.elementsPerWorker, options.startDelay, options); |
535aaa27 JB |
29 | break; |
30 | case WorkerProcessType.STATIC_POOL: | |
31 | options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE; | |
ffd71f2c | 32 | workerImplementation = new WorkerStaticPool<T>(workerScript, options.poolMaxSize, options.startDelay, options.poolOptions); |
535aaa27 JB |
33 | break; |
34 | case WorkerProcessType.DYNAMIC_POOL: | |
35 | options.poolMinSize = options.poolMinSize ?? Constants.DEFAULT_WORKER_POOL_MIN_SIZE; | |
36 | options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE; | |
ffd71f2c | 37 | workerImplementation = new WorkerDynamicPool<T>(workerScript, options.poolMinSize, options.poolMaxSize, options.startDelay, options.poolOptions); |
535aaa27 | 38 | break; |
fb226c9b JB |
39 | default: |
40 | throw new Error(`Worker implementation type '${workerProcessType}' not found`); | |
6013bc53 | 41 | } |
535aaa27 | 42 | return workerImplementation; |
6013bc53 JB |
43 | } |
44 | } |