mirror of
https://github.com/mongodb/mongo.git
synced 2024-12-01 01:21:03 +01:00
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// strategy.h
|
|
/*
|
|
* Copyright (C) 2010 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 "../stdafx.h"
|
|
#include "chunk.h"
|
|
#include "request.h"
|
|
|
|
namespace mongo {
|
|
|
|
class Strategy {
|
|
public:
|
|
Strategy(){}
|
|
virtual ~Strategy() {}
|
|
virtual void queryOp( Request& r ) = 0;
|
|
virtual void getMore( Request& r ) = 0;
|
|
virtual void writeOp( int op , Request& r ) = 0;
|
|
|
|
protected:
|
|
void doWrite( int op , Request& r , string server );
|
|
void doQuery( Request& r , string server );
|
|
|
|
void insert( string server , const char * ns , const BSONObj& obj );
|
|
|
|
};
|
|
|
|
extern Strategy * SINGLE;
|
|
extern Strategy * SHARDED;
|
|
|
|
bool setShardVersion( DBClientBase & conn , const string& ns , ShardChunkVersion version , bool authoritative , BSONObj& result );
|
|
|
|
bool lockNamespaceOnServer( const string& server , const string& ns );
|
|
bool lockNamespaceOnServer( DBClientBase& conn , const string& ns );
|
|
|
|
}
|
|
|