-import { DynamicThreadPool, PoolOptions } from 'poolifier';
+import type { Worker } from 'node:worker_threads';
-import Utils from '../utils/Utils';
-import { Worker } from 'worker_threads';
-import WorkerAbstract from './WorkerAbstract';
-import { WorkerData } from '../types/Worker';
+import { DynamicThreadPool, type ErrorHandler, type ExitHandler } from 'poolifier';
+
+import { WorkerAbstract } from './WorkerAbstract';
+import type { WorkerData, WorkerOptions } from './WorkerTypes';
import { WorkerUtils } from './WorkerUtils';
-export default class WorkerDynamicPool<T> extends WorkerAbstract {
- private pool: DynamicThreadPool<WorkerData>;
+export class WorkerDynamicPool extends WorkerAbstract<WorkerData> {
+ private readonly pool: DynamicThreadPool<WorkerData>;
/**
* Create a new `WorkerDynamicPool`.
*
- * @param workerScript
- * @param min
- * @param max
- * @param workerStartDelay
- * @param opts
+ * @param workerScript -
+ * @param workerOptions -
*/
- constructor(workerScript: string, min: number, max: number, workerStartDelay?: number, opts?: PoolOptions<Worker>) {
- super(workerScript, workerStartDelay);
- opts.exitHandler = opts?.exitHandler ?? WorkerUtils.defaultExitHandler;
- this.pool = new DynamicThreadPool<WorkerData>(min, max, 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 DynamicThreadPool<WorkerData>(
+ this.workerOptions.poolMinSize,
+ this.workerOptions.poolMaxSize,
+ this.workerScript,
+ this.workerOptions.poolOptions
+ );
}
get size(): number {
- return this.pool.workers.length;
+ return this.pool.workerNodes.length;
}
- get maxElementsPerWorker(): number | null {
- return null;
+ get maxElementsPerWorker(): number | undefined {
+ return undefined;
}
/**
* @returns
* @public
*/
- // eslint-disable-next-line @typescript-eslint/no-empty-function
public async start(): Promise<void> {
// This is intentional
}
* @returns
* @public
*/
- // eslint-disable-next-line @typescript-eslint/require-await
public async stop(): Promise<void> {
return this.pool.destroy();
}
/**
*
- * @param elementData
+ * @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);
+ // Start element sequentially to optimize memory at startup
+ this.workerOptions.elementStartDelay > 0 &&
+ (await WorkerUtils.sleep(this.workerOptions.elementStartDelay));
}
}