code: static Object getObjectFromJson(JsonObject jsonObj, Class clazz, Set<Attribute> columns)
      {
          Object obj = KunderaCoreUtils.createNewInstance(clazz);
          for (Attribute column : columns)
          {
              JsonElement value = jsonObj.get(((AbstractAttribute) column).getJPAColumnName());
              setFieldValue(obj, column, value);
          }
          return obj;
      }
docs: Gets the object from json.
  
  @param jsonObj
  the json obj
  @param clazz
  the clazz
  @param columns
  the columns
  @return the object from json