mongodb-dev 1:2.4.9-1ubuntu2 / usr / include / mongo / db / index_rebuilder.h

/**
 *    Copyright (C) 2012 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 "mongo/db/namespace_details.h"

namespace mongo {

    class IndexRebuilder {
    public:
        IndexRebuilder();

        std::string name() const;
        void run();

    private:
        /**
         * Check each collection in a database to see if it has any in-progress index builds that
         * need to be retried.  If so, calls retryIndexBuild.
         */
        void checkDB(const std::string& dbname, bool* firstTime);

        /**
         * Actually retry an index build on a given namespace.
         * @param dbName the name of the database for accessing db.system.indexes
         * @param nsd the namespace details of the namespace building the index
         * @param index the offset into nsd's index array of the partially-built index
         */
        void retryIndexBuild(const std::string& dbName, NamespaceDetails* nsd, const int index);
    };

    extern IndexRebuilder indexRebuilder;
}