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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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104 lines
2.5 KiB
C++
104 lines
2.5 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: tablelockdata.h 525 2010-01-19 23:18:05Z xlou $
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//
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/** @file */
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#include <cassert>
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#include <limits>
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using namespace std;
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#include <boost/thread/mutex.hpp>
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#include <boost/scoped_ptr.hpp>
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#include <boost/scoped_array.hpp>
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using namespace boost;
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#include "tablelockdata.h"
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namespace dmlpackageprocessor
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{
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/*static*/
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boost::mutex TablelockData::map_mutex;
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/*static*/
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TablelockData::TablelockDataMap TablelockData::fTablelockDataMap;
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/* static */
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TablelockData* TablelockData::makeTablelockData(uint32_t sessionID)
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{
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boost::mutex::scoped_lock lock(map_mutex);
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TablelockData* instance;
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TablelockDataMap::const_iterator it = fTablelockDataMap.find(sessionID);
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if (it == fTablelockDataMap.end())
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{
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instance = new TablelockData();
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fTablelockDataMap[sessionID] = instance;
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return instance;
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}
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return it->second;
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}
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/* static */
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void TablelockData::removeTablelockData(uint32_t sessionID)
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{
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boost::mutex::scoped_lock lock(map_mutex);
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TablelockDataMap::iterator it = fTablelockDataMap.find(sessionID);
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if (it != fTablelockDataMap.end())
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{
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delete (*it).second;
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fTablelockDataMap.erase(it);
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}
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}
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TablelockData::TablelockData()
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{
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}
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TablelockData::~TablelockData()
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{
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}
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void TablelockData::setTablelock(uint32_t tableOid, uint64_t tablelockId)
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{
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boost::mutex::scoped_lock lk(fOIDTablelock);
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fOIDTablelockMap[tableOid] = tablelockId;
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}
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uint64_t TablelockData::getTablelockId(uint32_t tableOid)
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{
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boost::mutex::scoped_lock lk(fOIDTablelock);
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uint64_t tablelockId = 0;
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OIDTablelock::iterator it = fOIDTablelockMap.find(tableOid);
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if (it != fOIDTablelockMap.end())
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{
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tablelockId = it->second;
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}
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return tablelockId;
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}
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TablelockData::OIDTablelock& TablelockData::getOidTablelockMap()
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{
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boost::mutex::scoped_lock lk(fOIDTablelock);
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return fOIDTablelockMap;
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}
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} // namespace dmlpackageprocessor
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