BalancePlan.h

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/* -*- 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_BalancePlan_h
#define Hypertable_Lib_BalancePlan_h

#include <Hypertable/Lib/RangeMoveSpec.h>

#include <Common/Serializable.h>

#include <memory>
#include <vector>

namespace Hypertable {


  class BalancePlan : public Serializable {
  public:
    BalancePlan(const std::string &algorithm_ = std::string()) : algorithm(algorithm_) { }

    BalancePlan(const BalancePlan &other);

    bool empty() { return moves.empty(); }

    void clear() {
      moves.clear();
      duration_millis = 0;
    }

    std::vector<RangeMoveSpecPtr> moves;
    std::string algorithm;
    int32_t duration_millis {};

  private:

    uint8_t encoding_version() const override;

    size_t encoded_length_internal() const override;

    void encode_internal(uint8_t **bufp) const override;

    void decode_internal(uint8_t version, const uint8_t **bufp,
                         size_t *remainp) override;
    
  };

  typedef std::shared_ptr<BalancePlan> BalancePlanPtr;

  std::ostream &operator<<(std::ostream &os, const BalancePlan &plan);


} // namespace Hypertable

#endif // HYPERTABLE_BALANCEPLAN_H