/* Copyright (c) 2016, 2021, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   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
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#ifndef GCS_GROUP_MANAGEMENT_INTERFACE_INCLUDED
#define GCS_GROUP_MANAGEMENT_INTERFACE_INCLUDED

#include "gcs_types.h"

class Gcs_group_management_interface
{
public:
  /**
    Method that allows sending of a new group configuration. This is
    to be used when the group is blocked due to a loss of majority and
    only on one node from the new group.

    Implementations in each binding might have there specificities but some
    rules must be followed:
    - This should be a non-blocking call;
    - Typically, it shall cause a View Change, since we are forcing a new
      configuration.

    @param[in] reconfigured_group a list containing the new nodes
  */

  virtual enum_gcs_error
    modify_configuration(const Gcs_interface_parameters& reconfigured_group)= 0;


  virtual ~Gcs_group_management_interface() {};
};

#endif //GCS_GROUP_MANAGEMENT_INTERFACE_INCLUDED
