TableMutatorIntervalHandler.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 Hypertable. If not, see <http://www.gnu.org/licenses/>
 */

#ifndef Hypertable_Lib_TableMutatorIntervalHandler_h
#define Hypertable_Lib_TableMutatorIntervalHandler_h

#include <AsyncComm/DispatchHandler.h>

#include <condition_variable>
#include <mutex>

namespace Hypertable {

  class Comm;
  class TableMutatorShared;

  class TableMutatorIntervalHandler : public DispatchHandler {
  public:

    TableMutatorIntervalHandler(Comm *comm,ApplicationQueueInterface *app_queue,
                                TableMutatorShared *shared_mutator);

    void start();

    virtual void handle(EventPtr &event);

    void flush();

    void stop() {
      std::unique_lock<std::mutex> lock(mutex);
      active = false;
      cond.wait(lock, [this](){ return complete; });
    }

  private:

    std::mutex mutex;

    std::condition_variable cond;

    bool active;

    bool complete;

    Comm *comm;

    ApplicationQueueInterface *app_queue;

    TableMutatorShared *shared_mutator;
  };

  typedef std::shared_ptr<TableMutatorIntervalHandler>
  TableMutatorIntervalHandlerPtr;

}

#endif