code: public void ENsetoption( OptionParameterCodes optionCode, float value ) throws EpanetException {
          int errcode = epanet.ENsetoption(optionCode.getCode(), value);
          checkError(errcode);
      }
docs: Sets the value of a particular analysis option.
  
  @param optionCode the {@link OptionParameterCodes}.
  @param value the option value.
  @throws EpanetException