/* 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 typeParameterT; typeParameterT.push_back("T"); std::vector 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