code: @Override
      protected void setProperty(final String _name,
                                 final String _value)
          throws CacheReloadException
      {
          if ("Level".equals(_name)) {
              this.level = Integer.parseInt(_value);
          } else {
              super.setProperty(_name, _value);
          }
      }
docs: Sets the property for this field set. This includes
  <ul>
  <li>{@link #level}</li>
  </ul>
  
  @param _name     name / key of the property
  @param _value    value of the property
  @throws CacheReloadException from called super property method