code: @SuppressWarnings("unchecked")
  	K convertToGetValueOfParameter(final String rowKey) {
  		final Object parameterValue = ConvertUtils.convert(rowKey,
  				getkeyofParameterType);
  
  		if (parameterValue.getClass().equals(getkeyofParameterType)) {
  			return (K) parameterValue;
  		} else {
  			throw new RuntimeException("Unable to convert String "
  					+ "based rowKey to " + getkeyofParameterType.getName());
  		}
  	}
docs: Converts a string based Row Key to the Key Type as specified by the
  DataController (adaptee).
  
  @param rowKey
  string based Row Key
  @return the converted key