108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
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/*
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This file is part of SECONDO.
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Copyright (C) 2013, University in Hagen, Department of 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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#ifndef TILEALGEBRA_TOREGION_H
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#define TILEALGEBRA_TOREGION_H
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/*
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SECONDO includes
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*/
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#include "AlgebraTypes.h"
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#include "Operator.h"
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#include "QueryProcessor.h"
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#include "Algebras/Spatial/SpatialAlgebra.h"
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/*
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TileAlgebra includes
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*/
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#include "../Constants.h"
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#include "../t/tbool.h"
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/*
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declaration of namespace TileAlgebra
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*/
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namespace TileAlgebra
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{
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/*
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Struct toregionInfo describes name, syntax, meaning and signature
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of TileAlgebra operator toregion.
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author: Dirk Zacher
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*/
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struct toregionInfo : OperatorInfo
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{
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toregionInfo()
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{
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name = "toregion";
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syntax = "_ toregion";
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meaning = "Maps a tbool object to a region.";
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signature = tbool::BasicType() +
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RIGHT_ARROW + Region::BasicType();
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}
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};
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/*
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Method toregionFunction implements the toregion operator functionality.
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author: Dirk Zacher
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parameters: pArguments - a pointer to the arguments of toregion operator
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rResult - reference to a Word containing the result
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message - message to distinguish call modes of toregionFunction
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rLocal - reference to a Word to store local method information
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supplier - an Address to a supplier of information of operator tree
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return value: 0 if toregionFunction successfully executed, otherwise FAILURE
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exceptions: -
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*/
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int toregionFunction(Word* pArguments,
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Word& rResult,
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int message,
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Word& rLocal,
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Supplier supplier);
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/*
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Method toregionTypeMappingFunction returns the return value type
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of toregion operator in the form of a ListExpr.
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author: Dirk Zacher
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parameters: arguments - arguments of toregion operator
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return value: return value type of toregion operator
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exceptions: -
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*/
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ListExpr toregionTypeMappingFunction(ListExpr arguments);
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}
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#endif // TILEALGEBRA_TOREGION_H
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