-import { WorkerData } from '../types/Worker';
+import fs from 'fs';
-export default abstract class WorkerAbstract {
- protected workerScript: string;
- public abstract size: number;
- public abstract maxElementsPerWorker: number;
+import type { WorkerData, WorkerOptions } from '../types/Worker';
+import WorkerConstants from './WorkerConstants';
+
+export default abstract class WorkerAbstract<T extends WorkerData> {
+ protected readonly workerScript: string;
+ protected readonly workerOptions: WorkerOptions;
+ public abstract readonly size: number;
+ public abstract readonly maxElementsPerWorker: number | null;
/**
- * Create a new `Worker` implementation.
+ * `WorkerAbstract` constructor.
*
- * @param {string} workerScript
+ * @param workerScript
+ * @param workerOptions
*/
- constructor(workerScript: string) {
+ constructor(
+ workerScript: string,
+ workerOptions: WorkerOptions = {
+ workerStartDelay: WorkerConstants.DEFAULT_WORKER_START_DELAY,
+ elementStartDelay: WorkerConstants.DEFAULT_ELEMENT_START_DELAY,
+ poolMinSize: WorkerConstants.DEFAULT_POOL_MIN_SIZE,
+ poolMaxSize: WorkerConstants.DEFAULT_POOL_MAX_SIZE,
+ elementsPerWorker: WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER,
+ poolOptions: {},
+ messageHandler: () => {
+ /* This is intentional */
+ },
+ }
+ ) {
+ if (!workerScript) {
+ throw new Error('Worker script is not defined');
+ }
+ if (!fs.existsSync(workerScript)) {
+ throw new Error('Worker script file does not exist');
+ }
this.workerScript = workerScript;
+ this.workerOptions = workerOptions;
}
public abstract start(): Promise<void>;
public abstract stop(): Promise<void>;
- public abstract addElement(elementData: WorkerData): Promise<void>;
+ public abstract addElement(elementData: T): Promise<void>;
}