FragmentData.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_RangeServer_FragmentData_h
#define Hypertable_RangeServer_FragmentData_h

#include <Hypertable/RangeServer/Range.h>
#include <Hypertable/RangeServer/ScanContext.h>

#include <Hypertable/Lib/CommitLog.h>
#include <Hypertable/Lib/Key.h>
#include <Hypertable/Lib/TableIdentifier.h>

#include <AsyncComm/Event.h>

#include <Common/ByteString.h>

#include <memory>
#include <vector>

namespace Hypertable {


  class FragmentData {
  public:

    FragmentData() {}

    virtual ~FragmentData();

    void add(EventPtr &event);

    void clear();

    void merge(TableIdentifier &table, RangePtr &range, CommitLogPtr &log);

  private:

    vector<EventPtr> m_data;

    int64_t m_memory_consumption {};
  };

  typedef std::shared_ptr<FragmentData> FragmentDataPtr;

}

#endif // Hypertable_RangeServer_FragmentData_h