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70 lines
1.8 KiB
C++
70 lines
1.8 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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* $Id: rgnode.h 1823 2013-01-21 14:13:09Z rdempsey $
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*
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*****************************************************************************/
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/** @file
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* class RGNode interface. This is a base class for the nodes in the resource graph.
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*/
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#pragma once
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#include <set>
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#include "brmtypes.h"
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#define EXPORT
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namespace BRM
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{
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class RGNode;
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class RGNode
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{
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public:
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EXPORT RGNode();
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EXPORT RGNode(const RGNode&);
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EXPORT virtual ~RGNode();
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EXPORT RGNode& operator=(const RGNode&);
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EXPORT uint64_t color() const;
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EXPORT void color(uint64_t);
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EXPORT void addOutEdge(RGNode*);
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EXPORT void addInEdge(RGNode*);
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EXPORT void removeOutEdge(RGNode*);
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EXPORT void removeInEdge(RGNode*);
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friend class LBIDResourceGraph;
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protected:
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// adjacency lists. Technically these should be private, but ResourceNode
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// currently uses them to wake connected transactions. TBD...
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std::set<RGNode*> out;
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std::set<RGNode*> in;
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private:
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uint64_t _color;
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};
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} // namespace BRM
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#undef EXPORT
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