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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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// $Id$
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/** @file */
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#pragma once
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#include <cstdint>
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/condition.hpp>
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class AutoincrementData
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{
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public:
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typedef std::map<uint32_t, AutoincrementData*> AutoincDataMap;
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typedef std::map<uint32_t, long long> OIDNextValue;
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static AutoincrementData* makeAutoincrementData(uint32_t sessionID = 0);
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static void removeAutoincrementData(uint32_t sessionID = 0);
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void setNextValue(uint32_t columnOid, long long nextValue);
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long long getNextValue(uint32_t columnOid);
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OIDNextValue& getOidNextValueMap();
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private:
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/** Constuctors */
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explicit AutoincrementData();
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explicit AutoincrementData(const AutoincrementData& rhs);
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~AutoincrementData();
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static boost::mutex map_mutex;
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static AutoincDataMap fAutoincDataMap;
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OIDNextValue fOidNextValueMap;
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boost::mutex fOIDnextvalLock;
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};
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