LogReplayBarrier.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; either 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_RangeServer_LogReplayBarrier_h
#define Hypertable_RangeServer_LogReplayBarrier_h

#include <Hypertable/Lib/RangeSpec.h>
#include <Hypertable/Lib/TableIdentifier.h>

#include <AsyncComm/Clock.h>

#include <condition_variable>
#include <memory>
#include <mutex>

namespace Hypertable {


  class LogReplayBarrier {
  public:

    void set_root_complete();

    void set_metadata_complete();

    void set_system_complete();

    void set_user_complete();

    bool wait_for_root(ClockT::time_point deadline);

    bool wait_for_metadata(ClockT::time_point deadline);

    bool wait_for_system(ClockT::time_point deadline);

    bool wait_for_user(ClockT::time_point deadline);

    bool wait(ClockT::time_point deadline,
              const TableIdentifier &table, const RangeSpec &range);

    bool wait(ClockT::time_point deadline,
              const TableIdentifier &table);

    bool user_complete();

  private:
    std::mutex m_mutex;
    std::condition_variable m_root_complete_cond;
    std::condition_variable m_metadata_complete_cond;
    std::condition_variable m_system_complete_cond;
    std::condition_variable m_user_complete_cond;
    bool m_root_complete {};
    bool m_metadata_complete {};
    bool m_system_complete {};
    bool m_user_complete {};
  };

  typedef std::shared_ptr<LogReplayBarrier> LogReplayBarrierPtr;


} // namespace Hypertable

#endif // Hypertable_RangeServer_LogReplayBarrier_h