MetaLogDefinition.h

Go to the documentation of this file.

/* -*- c++ -*-
 * Copyright (C) 2007-2015 Hypertable, Inc.
 *
 * This file is part of Hypertable.
 *
 * Hypertable is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; version 3 of the
 * License, or any later version.
 *
 * Hypertable 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 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 Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#ifndef Hypertable_Lib_MetaLogDefinition_h
#define Hypertable_Lib_MetaLogDefinition_h

#include "MetaLogEntity.h"

#include <Common/String.h>

#include <memory>

namespace Hypertable {

  namespace MetaLog {

    class Definition {
    public:

      Definition(const char* backup_label) : m_backup_label(backup_label) { }

      virtual uint16_t version() = 0;

      virtual const char *name() = 0;

      virtual const char *backup_label() { return m_backup_label.c_str(); }
      
      virtual EntityPtr create(const EntityHeader &header) = 0;

    private:

      std::string m_backup_label;
    };

    typedef std::shared_ptr<Definition> DefinitionPtr;

  }

}

#endif // Hypertable_Lib_MetaLogDefinition_h