mongodb/db/driverHelpers.cpp

// driverHelpers.cpp

/**
 *
 *    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/>.
 */

/**
   this file has dbcommands that are for drivers
   mostly helpers
*/


#include "pch.h"
#include "jsobj.h"
#include "pdfile.h"
#include "namespace.h"
#include "commands.h"
#include "cmdline.h"
#include "btree.h"
#include "curop.h"
#include "../util/background.h"
#include "../scripting/engine.h"

namespace mongo {

    class BasicDriverHelper : public Command {
    public:
        BasicDriverHelper( const char * name ) : Command( name ){}
        
        virtual LockType locktype() const { return NONE; }
        virtual bool slaveOk() const { return true; }
        virtual bool slaveOverrideOk(){ return true; }        
    };

    class ObjectIdTest : public BasicDriverHelper {
    public:
        ObjectIdTest() : BasicDriverHelper( "driverOIDTest" ){}
        virtual bool run(const string& , BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl){
            if ( cmdObj.firstElement().type() != jstOID ){
                errmsg = "not oid";
                return false;
            }

            const OID& oid = cmdObj.firstElement().__oid();
            result.append( "oid" , oid );
            result.append( "str" , oid.str() );

            return true;
        }
    } driverObjectIdTest;
}