-import { FixedThreadPool, PoolOptions } from 'poolifier';
+import type { Worker } from 'worker_threads';
+
+import { type ErrorHandler, type ExitHandler, FixedThreadPool } from 'poolifier';
-import Utils from '../utils/Utils';
-import { Worker } from 'worker_threads';
import WorkerAbstract from './WorkerAbstract';
-import { WorkerData } from '../types/Worker';
+import { WorkerUtils } from './WorkerUtils';
+import type { WorkerData, WorkerOptions } from '../types/Worker';
+import Utils from '../utils/Utils';
-export default class WorkerStaticPool<T> extends WorkerAbstract {
- private pool: StaticPool;
+export default class WorkerStaticPool extends WorkerAbstract<WorkerData> {
+ private readonly pool: FixedThreadPool<WorkerData>;
/**
* Create a new `WorkerStaticPool`.
*
- * @param {string} workerScript
- * @param {number} numberOfThreads
- * @param {number} startWorkerDelay
- * @param {PoolOptions} opts
+ * @param workerScript -
+ * @param workerOptions -
*/
- constructor(workerScript: string, numberOfThreads: number, startWorkerDelay?: number, opts?: PoolOptions<Worker>) {
- super(workerScript, startWorkerDelay);
- this.pool = StaticPool.getInstance(numberOfThreads, this.workerScript, opts);
+ constructor(workerScript: string, workerOptions?: WorkerOptions) {
+ super(workerScript, workerOptions);
+ this.workerOptions.poolOptions.errorHandler = (
+ this.workerOptions?.poolOptions?.errorHandler ?? WorkerUtils.defaultErrorHandler
+ ).bind(this) as ErrorHandler<Worker>;
+ this.workerOptions.poolOptions.exitHandler = (
+ this.workerOptions?.poolOptions?.exitHandler ?? WorkerUtils.defaultExitHandler
+ ).bind(this) as ExitHandler<Worker>;
+ this.workerOptions.poolOptions.messageHandler.bind(this);
+ this.pool = new FixedThreadPool(
+ this.workerOptions.poolMaxSize,
+ this.workerScript,
+ this.workerOptions.poolOptions
+ );
}
get size(): number {
return this.pool.workers.length;
}
- get maxElementsPerWorker(): number | null {
- return null;
+ get maxElementsPerWorker(): number | undefined {
+ return undefined;
}
/**
*
- * @returns {Promise<void>}
+ * @returns
* @public
*/
- // eslint-disable-next-line @typescript-eslint/no-empty-function
- public async start(): Promise<void> { }
+ public async start(): Promise<void> {
+ // This is intentional
+ }
/**
*
- * @returns {Promise<void>}
+ * @returns
* @public
*/
public async stop(): Promise<void> {
/**
*
- * @param {T} elementData
- * @returns {Promise<void>}
+ * @param elementData -
+ * @returns
* @public
*/
- public async addElement(elementData: T): Promise<void> {
+ public async addElement(elementData: WorkerData): Promise<void> {
await this.pool.execute(elementData);
- // Start worker sequentially to optimize memory at startup
- await Utils.sleep(this.workerStartDelay);
- }
-}
-
-class StaticPool extends FixedThreadPool<WorkerData> {
- private static instance: StaticPool;
-
- private constructor(numberOfThreads: number, workerScript: string, opts?: PoolOptions<Worker>) {
- super(numberOfThreads, workerScript, opts);
- }
-
- public static getInstance(numberOfThreads: number, workerScript: string, opts?: PoolOptions<Worker>): StaticPool {
- if (!StaticPool.instance) {
- opts.exitHandler = opts?.exitHandler ?? ((code) => {
- if (code !== 0) {
- console.error(`Worker stopped with exit code ${code}`);
- }
- });
- StaticPool.instance = new StaticPool(numberOfThreads, workerScript, opts);
- }
- return StaticPool.instance;
+ // Start element sequentially to optimize memory at startup
+ this.workerOptions.elementStartDelay > 0 &&
+ (await Utils.sleep(this.workerOptions.elementStartDelay));
}
}