/**
*    Copyright (C) 2008 10gen Inc.
*
*    This program is free software: you can redistribute it and/or  modify
*    it under the terms of the GNU Affero General Public License, version 3,
*    as published by the Free Software Foundation.
*
*    This program 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 Affero General Public License for more details.
*
*    You should have received a copy of the GNU Affero General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once

#include <string>

#include "mongo/db/jsobj.h"

namespace mongo { 

    class Sync {
    protected:
        string hn;
    public:
        Sync(const string& hostname) : hn(hostname) {}
        virtual ~Sync() {}
        virtual BSONObj getMissingDoc(const BSONObj& o);

        /**
         * If applyOperation_inlock should be called again after an update fails.
         */
        virtual bool shouldRetry(const BSONObj& o);
        void setHostname(const string& hostname);
    };

}