Files
secondo/Algebras/Tile/operators/t2mt.h

119 lines
2.7 KiB
C
Raw Normal View History

2026-01-23 17:03:45 +08:00
/*
This file is part of SECONDO.
Copyright (C) 2013, University in Hagen, Department of Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef TILEALGEBRA_T2MT_H
#define TILEALGEBRA_T2MT_H
/*
SECONDO includes
*/
#include "AlgebraTypes.h"
#include "DateTime.h"
#include "Operator.h"
#include "QueryProcessor.h"
/*
TileAlgebra includes
*/
#include "../Constants.h"
#include "../Types/Types.h"
/*
declaration of namespace TileAlgebra
*/
namespace TileAlgebra
{
/*
Struct t2mtInfo describes name, syntax, meaning and signature
of TileAlgebra operator t2mt.
author: Dirk Zacher
*/
struct t2mtInfo : OperatorInfo
{
t2mtInfo()
{
name = "t2mt";
syntax = "t2mt(_, _, _, _)";
meaning = "Adds a time component to a t type.";
std::vector<std::string> typeParameterT;
typeParameterT.push_back("T");
std::vector<std::string> valueWrapperTypes;
GetValueWrapperTypes(valueWrapperTypes);
signature = std::string(TYPE_NAME_PREFIX_T) + "T" + " x " +
Duration::BasicType() + " x " +
Instant::BasicType() + " x " +
Instant::BasicType() +
RIGHT_ARROW + TYPE_NAME_PREFIX_MT + "T" +
FOR + GetTypeParametersDomain(typeParameterT,
valueWrapperTypes);
}
};
/*
declaration of t2mtFunctions array.
*/
extern ValueMapping t2mtFunctions[];
/*
Method t2mtSelectFunction returns the index of specific t2mt function
in t2mtFunctions array depending on the arguments.
author: Dirk Zacher
parameters: arguments - arguments of t2mt operator
return value: index of specific t2mt function in t2mtFunctions
exceptions: -
*/
int t2mtSelectFunction(ListExpr arguments);
/*
Method t2mtTypeMappingFunction returns the return value type
of t2mt operator in the form of a ListExpr.
author: Dirk Zacher
parameters: arguments - arguments of t2mt operator
return value: return value type of t2mt operator
exceptions: -
*/
ListExpr t2mtTypeMappingFunction(ListExpr arguments);
}
#endif // TILEALGEBRA_T2MT_H