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64 lines
1.7 KiB
C++
64 lines
1.7 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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/*
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* TableLockServer.h
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*
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* Created on: Nov 30, 2011
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* Author: pleblanc
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*/
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#include "brmtypes.h"
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#include "sessionmanagerserver.h"
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#pragma once
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#define EXPORT
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namespace BRM
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{
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class TableLockServer
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{
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public:
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EXPORT TableLockServer(SessionManagerServer*);
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virtual ~TableLockServer();
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EXPORT uint64_t lock(TableLockInfo*);
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EXPORT bool unlock(uint64_t id);
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EXPORT bool changeState(uint64_t id, LockState state);
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EXPORT bool changeOwner(uint64_t id, const std::string& ownerName, uint32_t pid, int32_t sessionID,
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int32_t txnID);
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EXPORT std::vector<TableLockInfo> getAllLocks() const;
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EXPORT void releaseAllLocks();
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EXPORT bool getLockInfo(uint64_t id, TableLockInfo* out) const;
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private:
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void load();
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void save();
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mutable boost::mutex mutex;
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std::map<uint64_t, TableLockInfo> locks;
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typedef std::map<uint64_t, TableLockInfo>::iterator lit_t;
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typedef std::map<uint64_t, TableLockInfo>::const_iterator constlit_t;
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std::string filename;
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SessionManagerServer* sms;
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};
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} // namespace BRM
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#undef EXPORT
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