src/charging-station/ocpp/OCPPResponseService.ts

   1 import type ChargingStation from '../ChargingStation';
   2 import { JsonType } from '../../types/JsonType';
   3 import { RequestCommand } from '../../types/ocpp/Requests';
   4
   5 export default abstract class OCPPResponseService {
   6   private static readonly instances: Map<string, OCPPResponseService> = new Map<
   7     string,
   8     OCPPResponseService
   9   >();
  10   protected readonly chargingStation: ChargingStation;
  11
  12   protected constructor(chargingStation: ChargingStation) {
  13     this.chargingStation = chargingStation;
  14   }
  15
  16   public static getInstance<T extends OCPPResponseService>(
  17     this: new (chargingStation: ChargingStation) => T,
  18     chargingStation: ChargingStation
  19   ): T {
  20     if (!OCPPResponseService.instances.has(chargingStation.id)) {
  21       OCPPResponseService.instances.set(chargingStation.id, new this(chargingStation));
  22     }
  23     return OCPPResponseService.instances.get(chargingStation.id) as T;
  24   }
  25
  26   public abstract handleResponse(
  27     commandName: RequestCommand,
  28     payload: JsonType | string,
  29     requestPayload: JsonType
  30   ): Promise<void>;
  31 }