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1 : /****************************************************************************/ 2 : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo 3 : // Copyright (C) 2001-2024 German Aerospace Center (DLR) and others. 4 : // This program and the accompanying materials are made available under the 5 : // terms of the Eclipse Public License 2.0 which is available at 6 : // https://www.eclipse.org/legal/epl-2.0/ 7 : // This Source Code may also be made available under the following Secondary 8 : // Licenses when the conditions for such availability set forth in the Eclipse 9 : // Public License 2.0 are satisfied: GNU General Public License, version 2 10 : // or later which is available at 11 : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html 12 : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later 13 : /****************************************************************************/ 14 : /// @file CastingFunctionBinding_Param.h 15 : /// @author Daniel Krajzewicz 16 : /// @author Christian Roessel 17 : /// @author Sascha Krieg 18 : /// @date Fri, 29.04.2005 19 : /// 20 : // Function type template 21 : /****************************************************************************/ 22 : #pragma once 23 : #include <config.h> 24 : 25 : #include <utils/common/ValueSource.h> 26 : 27 : 28 : // =========================================================================== 29 : // class definitions 30 : // =========================================================================== 31 : /** 32 : * @class CastingFunctionBinding_Param 33 : */ 34 : template< class T, typename R, typename O, typename P > 35 : class CastingFunctionBinding_Param : public ValueSource<R> { 36 : public: 37 : /// Type of the function to execute. 38 : typedef O(T::* Operation)(P) const; 39 : 40 0 : CastingFunctionBinding_Param(T* source, Operation operation, P param, const R scale = 1.0) : 41 0 : mySource(source), 42 0 : myOperation(operation), 43 0 : myScale(scale), 44 0 : myParam(param) 45 : {} 46 : 47 : /// Destructor. 48 0 : ~CastingFunctionBinding_Param() {} 49 : 50 0 : R getValue() const { 51 0 : return myScale * (R)(mySource->*myOperation)(myParam); 52 : } 53 : 54 0 : ValueSource<R>* copy() const { 55 0 : return new CastingFunctionBinding_Param<T, R, O, P>(mySource, myOperation, myParam, myScale); 56 : } 57 : 58 0 : ValueSource<double>* makedoubleReturningCopy() const { 59 0 : return new CastingFunctionBinding_Param<T, double, O, P>(mySource, myOperation, myParam, myScale); 60 : } 61 : 62 : private: 63 : /// The object the action is directed to. 64 : T* mySource; 65 : 66 : /// The object's operation to perform. 67 : Operation myOperation; 68 : 69 : /// The scale to apply. 70 : const R myScale; 71 : 72 : /// The parameter to apply to the operation. 73 : const P myParam; 74 : 75 : private: 76 : /// @brief invalidated assignment operator 77 : CastingFunctionBinding_Param<T, R, O, P>& operator=(const CastingFunctionBinding_Param<T, R, O, P>&); 78 : 79 : };