100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2015,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO 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 SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//[$][\$]
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*/
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#ifndef _DistTypeSpatial_h_
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#define _DistTypeSpatial_h_
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#include "DistTypeHash.h"
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namespace drel {
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/*
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1 Class ~DistType~
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This class represents the distirbution type informations for the class
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drel. The supported types are represented by the enum distributionType.
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*/
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template<class T>
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class DistTypeSpatial : public DistTypeHash {
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public:
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/*
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1.1 Methods
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*/
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DistTypeSpatial( distributionType _type, int _attr, T* _grid );
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DistTypeSpatial( distributionType _type, int _attr, int _key,
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T* _grid );
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DistTypeSpatial( const DistTypeSpatial& _distType );
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DistTypeSpatial &operator=( const DistTypeSpatial &_distType );
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virtual ~DistTypeSpatial( );
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virtual bool isEqual( DistTypeBasic* _distType );
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int getKey( );
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T* getGrid( );
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static bool allowedAttrType2d( ListExpr _list );
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static bool allowedAttrType3d( ListExpr _list );
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virtual DistTypeBasic* copy( );
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static bool checkType( ListExpr list );
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bool save( SmiRecord& valueRecord, size_t& offset,
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const ListExpr typeInfo );
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virtual ListExpr toListExpr( ListExpr typeInfo );
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virtual void print( );
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static T* ReadFrom( const ListExpr value, const ListExpr typeInfo );
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private:
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/*
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1.2 Members
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1.2.1 ~attr~
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The number of used attribute to distribute the relation. The numbering
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starts with 0.
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*/
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int key;
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/*
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1.2.2 ~grid~
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The pointer to the grid object, used to distribute.
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*/
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T* grid;
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};
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} // end of namespace drel
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#endif // _DistTypeSpatial_h_
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