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mariadb-columnstore-engine/writeengine/splitter/we_tablelockgrabber.h
2017-10-26 17:18:17 +01:00

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/* Copyright (C) 2014 InfiniDB, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/*******************************************************************************
* $Id$
*
*******************************************************************************/
/*
* we_tableLockgrabber.h
*
* Created on: Dec 19, 2011
* Author: bpaul
*/
#ifndef WE_TABLELOCKGRABBER_H_
#define WE_TABLELOCKGRABBER_H_
namespace WriteEngine
{
class WESDHandler; // forward deceleration
class WETableLockGrabber
{
public:
WETableLockGrabber(WESDHandler& Ref): fRef(Ref) { }
virtual ~WETableLockGrabber() { }
public:
uint64_t grabTableLock(std::vector<unsigned int>& PmList,
uint32_t tableOID);
bool releaseTableLock(uint64_t LockId);
bool changeTableLockState(uint64_t LockId);
private:
WESDHandler& fRef;
};
} /* namespace WriteEngine */
#endif /* WE_TABLELOCKGRABBER_H_ */