/**
 *    Copyright (C) 2015 MongoDB 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/>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the GNU Affero General Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */


#pragma once

#include <string>

namespace mongo {

class Collection;
class OperationContext;

namespace repl {

/**
 * Used on a local Collection to create and bulk build indexes.
 */
class CollectionBulkLoader {
public:
    virtual ~CollectionBulkLoader() = default;

    virtual Status init(const std::vector<BSONObj>& indexSpecs) = 0;
    /**
     * Inserts the documents into the collection record store, and indexes them with the
     * MultiIndexBlock on the side.
     */
    virtual Status insertDocuments(const std::vector<BSONObj>::const_iterator begin,
                                   const std::vector<BSONObj>::const_iterator end) = 0;
    /**
     * Called when inserts are done and indexes can be committed.
     */
    virtual Status commit() = 0;

    virtual std::string toString() const = 0;
    virtual BSONObj toBSON() const = 0;
};

}  // namespace repl
}  // namespace mongo