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//@file update.h
/**
* 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/>.
*
* 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 "mongo/db/jsobj.h"
#include "mongo/db/curop.h"
#include "mongo/db/ops/update_request.h"
#include "mongo/db/ops/update_result.h"
namespace mongo {
class CanonicalQuery;
class Database;
class OperationContext;
class UpdateDriver;
/**
* Utility method to execute an update described by "request".
*
* Caller must hold the appropriate database locks.
*/
UpdateResult update(OperationContext* txn,
Database* db,
const UpdateRequest& request,
OpDebug* opDebug);
/**
* takes the from document and returns a new document
* after apply all the operators
* e.g.
* applyUpdateOperators( BSON( "x" << 1 ) , BSON( "$inc" << BSON( "x" << 1 ) ) );
* returns: { x : 2 }
*/
BSONObj applyUpdateOperators( const BSONObj& from, const BSONObj& operators );
} // namespace mongo
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