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
  11   protected readonly chargingStation: ChargingStation;
  12
  13   protected constructor(chargingStation: ChargingStation) {
  14     this.chargingStation = chargingStation;
  15   }
  16
  17   public static getInstance<T extends OCPPResponseService>(
  18     this: new (chargingStation: ChargingStation) => T,
  19     chargingStation: ChargingStation
  20   ): T {
  21     if (!OCPPResponseService.instances.has(chargingStation.id)) {
  22       OCPPResponseService.instances.set(chargingStation.id, new this(chargingStation));
  23     }
  24     return OCPPResponseService.instances.get(chargingStation.id) as T;
  25   }
  26
  27   public abstract handleResponse(
  28     commandName: RequestCommand,
  29     payload: JsonType | string,
  30     requestPayload: JsonType
  31   ): Promise<void>;
  32 }