save_point.hpp

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//
//  M A R I A D B + +
//
//          Copyright Sylvain Rochette Langlois 2013,
//                    The ViaDuck Project 2016 - 2018.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

#ifndef _MARIADB_SAVE_POINT_HPP_
#define _MARIADB_SAVE_POINT_HPP_

#include <mariadb++/types.hpp>

namespace mariadb {
class connection;
class transaction;

/**
 * Class used to represent a MariaDB savepoint having automatic rollback functionality
 */
class save_point {
    friend class connection;
    friend class transaction;

   public:
    /**
     * Destructor initiates automatic rollback if changes were not committed
     */
    virtual ~save_point();

    /**
     * Commits the changes and releases savepoint
     */
    void commit();

   private:
    /**
     * Create save_point with given transaction
     */
    save_point(transaction* trans);

   private:
    // internal transaction pointer
    transaction* m_transaction;
    // distinct name of the current save_pointS
    std::string m_name;
};

typedef std::shared_ptr<save_point> save_point_ref;
}

#endif