abstract_number_option.h

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/*
   Copyright (c) 2014, 2022, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/
 
#ifndef ABSTRACT_NUMBER_OPTION_INCLUDED
#define ABSTRACT_NUMBER_OPTION_INCLUDED
 
#include <string>
 
#include "client/base/abstract_value_option.h"
 
namespace Mysql {
namespace Tools {
namespace Base {
namespace Options {
 
/**
  Abstract option to handle numeric option values.
 */
template <typename T_type, typename T_value>
class Abstract_number_option : public Abstract_value_option<T_type> {
 public:
  /**
    Sets minimum value boundary for option value. Smaller values passed as
    option value will be changed to this minimum value.
   */
  virtual T_type *set_minimum_value(T_value minimum) = 0;
  /**
    Sets maximum value boundary for option value. Greater values passed as
    option value will be changed to this maximum value.
   */
  virtual T_type *set_maximum_value(T_value maximum) = 0;
 
 protected:
  /**
    Constructs new number option.
    @param value Pointer to object to receive option value.
    @param var_type my_getopt internal option type.
    @param name Name of option. It is used in command line option name as
      --name.
    @param description Description of option to be printed in --help.
    @param default_value default value to be supplied to internal option
      data structure.
   */
  Abstract_number_option(T_value *value, ulong var_type, std::string name,
                         std::string description, uint64 default_value);
};
 
template <typename T_type, typename T_value>
Abstract_number_option<T_type, T_value>::Abstract_number_option(
    T_value *value, ulong var_type, std::string name, std::string description,
    uint64 default_value)
    : Abstract_value_option<T_type>(value, var_type, name, description,
                                    default_value) {}
 
}  // namespace Options
}  // namespace Base
}  // namespace Tools
}  // namespace Mysql
 
#endif