/**
 * Record class
 */
export class Record {
  /**
   * row data container
   */
  private data: any;

  /**
   * Constructor
   * @param data data object (use column names as object keys)
   */
  public constructor(data: any) {
    this.data = data;
  }

  /**
   * get row data
   * @returns row data
   */
  public getData(): any {
    return this.data;
  }

  /**
   * get row data for given column
   * @param key column name
   * @returns row data for given column or null if column does not exist
   */
  public getDataByKey(key: string): string | null {
    if (this.hasData(key)) {
      return this.data[key];
    }
    return null;
  }

  /**
   * check if record has data for given column
   * @param key column name
   * @returns boolean result
   */
  private hasData(key: string): boolean {
    return Object.prototype.hasOwnProperty.call(this.data, key);
  }
}