+ static getDistributeStationsToTenantsEqually(): boolean {
+ Configuration.deprecateConfigurationKey('distributeStationToTenantEqually', 'Use \'distributeStationsToTenantsEqually\' instead');
+ return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'distributeStationsToTenantsEqually') ? Configuration.getConfig().distributeStationsToTenantsEqually : true;
+ }
+
+ private static logPrefix(): string {
+ return new Date().toLocaleString() + ' Simulator configuration |';
+ }
+
+ private static deprecateConfigurationKey(key: string, logMsgToAppend = '') {
+ if (!Configuration.isUndefined(Configuration.getConfig()[key])) {
+ console.error(`${Configuration.logPrefix()} Deprecated configuration key '${key}' usage${logMsgToAppend && '. ' + logMsgToAppend}`);
+ }
+ }
+
+ // Read the config file
+ private static getConfig(): ConfigurationData {
+ if (!Configuration.configuration) {
+ try {
+ Configuration.configuration = JSON.parse(fs.readFileSync(Configuration.configurationFilePath, 'utf8')) as ConfigurationData;
+ } catch (error) {
+ Configuration.handleFileException(Configuration.logPrefix(), 'Configuration', Configuration.configurationFilePath, error);
+ }
+ if (!Configuration.configurationFileWatcher) {
+ Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
+ }
+ }
+ return Configuration.configuration;
+ }
+
+ private static getConfigurationFileWatcher(): fs.FSWatcher {
+ try {
+ // eslint-disable-next-line @typescript-eslint/no-misused-promises
+ return fs.watch(Configuration.configurationFilePath).on('change', async (): Promise<void> => {
+ // Nullify to force configuration file reading
+ Configuration.configuration = null;
+ if (!Configuration.isUndefined(Configuration.configurationChangeCallback)) {
+ await Configuration.configurationChangeCallback();
+ }
+ });
+ } catch (error) {
+ Configuration.handleFileException(Configuration.logPrefix(), 'Configuration', Configuration.configurationFilePath, error);
+ }
+ }
+
+ private static objectHasOwnProperty(object: any, property: string): boolean {
+ return Object.prototype.hasOwnProperty.call(object, property) as boolean;
+ }
+
+ private static isUndefined(obj: any): boolean {
+ return typeof obj === 'undefined';
+ }
+
+ private static handleFileException(logPrefix: string, fileType: string, filePath: string, error: NodeJS.ErrnoException): void {
+ const prefix = logPrefix.length !== 0 ? logPrefix + ' ' : '';
+ if (error.code === 'ENOENT') {
+ console.error(prefix + fileType + ' file ' + filePath + ' not found: ', error);
+ } else {
+ console.error(prefix + fileType + ' file ' + filePath + ' opening error: ', error);
+ }
+ throw error;