src/worker/WorkerAbstract.ts

   1 import Constants from '../utils/Constants';
   2 import { WorkerData } from '../types/Worker';
   3
   4 export default abstract class WorkerAbstract {
   5   protected readonly workerScript: string;
   6   protected readonly workerStartDelay: number;
   7   protected readonly messageListener: (message: any) => void;
   8   public abstract size: number;
   9   public abstract maxElementsPerWorker: number | null;
  10
  11   /**
  12    * `WorkerAbstract` constructor.
  13    *
  14    * @param workerScript
  15    * @param workerStartDelay
  16    * @param messageListenerCallback
  17    */
  18   constructor(workerScript: string, workerStartDelay: number = Constants.WORKER_START_DELAY,
  19       messageListenerCallback: (message: any) => void = () => { /* This is intentional */ }) {
  20     this.workerScript = workerScript;
  21     this.workerStartDelay = workerStartDelay;
  22     this.messageListener = messageListenerCallback;
  23   }
  24
  25   public abstract start(): Promise<void>;
  26   public abstract stop(): Promise<void>;
  27   public abstract addElement(elementData: WorkerData): Promise<void>;
  28 }