get_value_functor.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Riccardo Rossi
//
 
#if !defined(KRATOS_GET_VALUE_FUNCTOR_H_INCLUDED )
#define  KRATOS_GET_VALUE_FUNCTOR_H_INCLUDED
 
 
// System includes
#include <string>
#include <iostream>
 
 
// External includes
 
 
// Project includes
#include "includes/define.h"
 
namespace Kratos
{
 
 
 
 
 
 
 
template< class TVariableType >
class GetValueFunctor
{
public:
 
    KRATOS_CLASS_POINTER_DEFINITION(GetValueFunctor);
 
 
    GetValueFunctor(
            const TVariableType& rVariable 
           )
            : mrVariable(rVariable)
    {}
 
 
    virtual ~GetValueFunctor(){}
 
    typename TVariableType::Type operator()(GlobalPointer< Node >& gp) const
    {
        return gp->GetValue(mrVariable);
    }
 
 
 
 
 
 
 
 
 
    virtual std::string Info() const
    {
    std::stringstream buffer;
    buffer << "GetValueFunctor" ;
    return buffer.str();
    }
 
    virtual void PrintInfo(std::ostream& rOStream) const {rOStream << "GetValueFunctor";}
 
    virtual void PrintData(std::ostream& rOStream) const {}
 
 
 
 
protected:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
private:
 
 
    const TVariableType& mrVariable;
 
 
 
 
 
 
 
 
 
 
 
 
}; // Class GetValueFunctor
 
 
 
 
 
 
template<class TContainerType>
inline std::istream& operator >> (std::istream& rIStream,
                GetValueFunctor<TContainerType>& rThis)
{return rIStream;}
 
template<class TContainerType>
inline std::ostream& operator << (std::ostream& rOStream,
                const GetValueFunctor<TContainerType>& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
 
}  // namespace Kratos.
 
#endif // KRATOS_GET_VALUE_FUNCTOR_H_INCLUDED  defined