ReplayPlan.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 2 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_RangeServerRecovery_ReplayPlan_h
#define Hypertable_Lib_RangeServerRecovery_ReplayPlan_h

#include "FragmentReplayPlan.h"

#include <Common/Serializable.h>
#include <Common/StringExt.h>

#include <vector>
#include <iostream>

namespace Hypertable {
namespace Lib {
namespace RangeServerRecovery {

  using namespace boost::multi_index;
  using namespace std;


  class ReplayPlan : public Serializable {
  public:

    void insert(int32_t fragment, const string &location);

    void remove_location(const string &location);

    void get_fragments(vector<int32_t> &fragments) const;

    void get_fragments(const string &location, vector<int32_t> &fragments) const;

    void get_locations(StringSet &locations) const;

    bool get_location(int32_t fragment, string &location) const;

    void clear() { container.clear(); }

    FragmentReplayPlanContainer container;

  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;

  public:
    friend ostream &operator<<(ostream &os, const ReplayPlan &plan) {
      auto & location_index =
          (const_cast<ReplayPlan&>(plan)).container.get<1>();
      os << "{ReplayPlan: num_entries=" << location_index.size();
      for (auto & entry : location_index)
        os << entry;
      os << "}";
      return os;
    }
  };


}}}

#endif // Hypertable_Lib_RangeServerRecovery_ReplayPlan_h