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/**
* Copyright (C) 2014 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 "mongo/db/commands.h"
namespace mongo {
class ClientBasic;
class Database;
class OperationContext;
class PlanExecutor;
class Scope;
struct GroupRequest;
class GroupCommand : public Command {
public:
GroupCommand();
private:
virtual bool isWriteCommandForConfigServer() const { return false; }
virtual bool maintenanceOk() const { return false; }
virtual bool slaveOk() const { return false; }
virtual bool slaveOverrideOk() const { return true; }
virtual void help(std::stringstream& help) const {
help << "http://dochub.mongodb.org/core/aggregation";
}
virtual Status checkAuthForCommand(ClientBasic* client,
const std::string& dbname,
const BSONObj& cmdObj);
virtual std::string parseNs(const std::string& dbname, const BSONObj& cmdObj) const;
virtual bool run(OperationContext* txn,
const std::string& dbname,
BSONObj& jsobj,
int,
std::string& errmsg,
BSONObjBuilder& result);
virtual Status explain(OperationContext* txn,
const std::string& dbname,
const BSONObj& cmdObj,
ExplainCommon::Verbosity verbosity,
BSONObjBuilder* out) const;
/**
* Parse a group command object.
*
* If 'cmdObj' is well-formed, returns Status::OK() and fills in out-argument 'request'.
*
* If a parsing error is encountered, returns an error Status.
*/
Status parseRequest(const std::string& dbname,
const BSONObj& cmdObj,
GroupRequest* request) const;
};
} // namespace mongo
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