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48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// strategy.h
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/*
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* Copyright (C) 2010 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "../pch.h"
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#include "chunk.h"
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#include "request.h"
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namespace mongo {
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class Strategy {
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public:
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Strategy(){}
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virtual ~Strategy() {}
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virtual void queryOp( Request& r ) = 0;
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virtual void getMore( Request& r ) = 0;
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virtual void writeOp( int op , Request& r ) = 0;
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protected:
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void doWrite( int op , Request& r , const Shard& shard , bool checkVersion = true );
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void doQuery( Request& r , const Shard& shard );
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void insert( const Shard& shard , const char * ns , const BSONObj& obj );
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};
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extern Strategy * SINGLE;
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extern Strategy * SHARDED;
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}
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