import { WorkerOptions, WorkerProcessType } from '../types/Worker';
-import Utils from '../utils/Utils';
+import Constants from '../utils/Constants';
+import WorkerAbstract from './WorkerAbstract';
import WorkerDynamicPool from './WorkerDynamicPool';
import WorkerSet from './WorkerSet';
import WorkerStaticPool from './WorkerStaticPool';
-import Wrk from './Wrk';
+import { isMainThread } from 'worker_threads';
export default class WorkerFactory {
- public static getWorkerImpl<T>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): Wrk {
- if (Utils.isUndefined(options)) {
- options = {} as WorkerOptions;
+ public static getWorkerImplementation<T>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): WorkerAbstract {
+ if (!isMainThread) {
+ throw new Error('Trying to get a worker implementation outside the main thread');
}
+ options = options ?? {} as WorkerOptions;
+ options.startDelay = options.startDelay ?? Constants.WORKER_START_DELAY;
switch (workerProcessType) {
case WorkerProcessType.WORKER_SET:
- if (Utils.isUndefined(options.elementsPerWorker)) {
- options.elementsPerWorker = 1;
- }
- return new WorkerSet<T>(workerScript, options.elementsPerWorker);
+ options.elementsPerWorker = options.elementsPerWorker ?? 1;
+ return new WorkerSet<T>(workerScript, options.elementsPerWorker, options.startDelay);
case WorkerProcessType.STATIC_POOL:
- if (Utils.isUndefined(options.poolMaxSize)) {
- options.elementsPerWorker = 16;
- }
- return new WorkerStaticPool<T>(workerScript, options.poolMaxSize);
+ options.poolMaxSize = options.poolMaxSize ?? 16;
+ return new WorkerStaticPool<T>(workerScript, options.poolMaxSize, options.startDelay, options.poolOptions);
case WorkerProcessType.DYNAMIC_POOL:
- if (Utils.isUndefined(options.poolMinSize)) {
- options.elementsPerWorker = 4;
- }
- if (Utils.isUndefined(options.poolMaxSize)) {
- options.elementsPerWorker = 16;
- }
- return new WorkerDynamicPool<T>(workerScript, options.poolMinSize, options.poolMaxSize);
+ options.poolMinSize = options.poolMinSize ?? 4;
+ options.poolMaxSize = options.poolMaxSize ?? 16;
+ return new WorkerDynamicPool<T>(workerScript, options.poolMinSize, options.poolMaxSize, options.startDelay, options.poolOptions);
default:
return null;
}