/* Copyright (C) 2014 InfiniDB, Inc.

   This program 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 2 of
   the License.

   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 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. */

/******************************************************************************
 * $Id: logicalpartition.h 1823 2013-01-21 14:13:09Z rdempsey $
 *
 *****************************************************************************/

/** @file
 * Put LogicalPartition define here to avoid header file include confilct.
 * This struct will be used in connector, brm and writeengine
 */

#pragma once

#include "bytestream.h"

namespace BRM
{
// Logical partition number descriptor
struct LogicalPartition
{
  uint16_t dbroot;  // dbroot #
  uint32_t pp;      // physical partition #
  uint16_t seg;     // segment #

  LogicalPartition() : dbroot((uint16_t)-1), pp((uint32_t)-1), seg((uint16_t)-1)
  {
  }

  LogicalPartition(uint16_t d, uint32_t p, uint16_t s) : dbroot(d), pp(p), seg(s)
  {
  }

  bool operator<(const LogicalPartition& n) const
  {
    return ((pp < n.pp) || (pp == n.pp && seg < n.seg) || (pp == n.pp && seg == n.seg && dbroot < n.dbroot));
  }

  void serialize(messageqcpp::ByteStream& b) const
  {
    b << (uint16_t)dbroot;
    b << (uint32_t)pp;
    b << (uint16_t)seg;
  }

  void unserialize(messageqcpp::ByteStream& b)
  {
    b >> (uint16_t&)dbroot;
    b >> (uint32_t&)pp;
    b >> (uint16_t&)seg;
  }

  /** @bug4816. For output to user purpose */
  std::string toString() const;
};

/**
 * ostream operator
 */
std::ostream& operator<<(std::ostream& output, const LogicalPartition& rhs);
std::istream& operator>>(std::istream& input, LogicalPartition& rhs);

/**
 * bytestream operator
 */
messageqcpp::ByteStream& operator<<(messageqcpp::ByteStream& bs, const LogicalPartition& rhs);

messageqcpp::ByteStream& operator>>(messageqcpp::ByteStream& bs, LogicalPartition& rhs);

}  // namespace BRM