X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2Focpp%2FOCPPResponseService.ts;h=3faa4351e7ef8867096c2844ef5d243110dcfb0d;hb=91a4f151f35933f762d1287754a7463e12989b29;hp=c91066c48f38acbea572f7b715a814acc12e2bb6;hpb=cbb3711f55d6cc41a82fe4ff7104d8083077f526;p=e-mobility-charging-stations-simulator.git

diff --git a/src/charging-station/ocpp/OCPPResponseService.ts b/src/charging-station/ocpp/OCPPResponseService.ts
index c91066c4..3faa4351 100644
--- a/src/charging-station/ocpp/OCPPResponseService.ts
+++ b/src/charging-station/ocpp/OCPPResponseService.ts
@@ -1,10 +1,10 @@
-import { JSONSchemaType } from 'ajv';
+import type { JSONSchemaType } from 'ajv';
 import Ajv from 'ajv-draft-04';
 import ajvFormats from 'ajv-formats';
 
 import OCPPError from '../../exception/OCPPError';
-import { JsonType } from '../../types/JsonType';
-import { RequestCommand } from '../../types/ocpp/Requests';
+import type { JsonType } from '../../types/JsonType';
+import type { RequestCommand } from '../../types/ocpp/Requests';
 import logger from '../../utils/Logger';
 import type ChargingStation from '../ChargingStation';
 import { OCPPServiceUtils } from './OCPPServiceUtils';
@@ -18,10 +18,12 @@ export default abstract class OCPPResponseService {
   protected constructor() {
     this.ajv = new Ajv();
     ajvFormats(this.ajv);
+    this.responseHandler.bind(this);
+    this.validateResponsePayload.bind(this);
   }
 
   public static getInstance<T extends OCPPResponseService>(this: new () => T): T {
-    if (!OCPPResponseService.instance) {
+    if (OCPPResponseService.instance === null) {
       OCPPResponseService.instance = new this();
     }
     return OCPPResponseService.instance as T;
@@ -45,7 +47,7 @@ export default abstract class OCPPResponseService {
       validate.errors
     );
     throw new OCPPError(
-      OCPPServiceUtils.AjvErrorsToErrorType(validate.errors),
+      OCPPServiceUtils.ajvErrorsToErrorType(validate.errors),
       'Response PDU is invalid',
       commandName,
       JSON.stringify(validate.errors, null, 2)