MHO_TransformingOperator.hh

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#ifndef MHO_TransformingOperator_HH__
#define MHO_TransformingOperator_HH__
 
#include "MHO_Operator.hh"
 
#include <tuple>
 
namespace hops
{
 
template< class XArgType1, class XArgType2 > class MHO_TransformingOperator: public MHO_Operator
{
    public:
        MHO_TransformingOperator()
        {
            std::get< 0 >(fArgs) = nullptr;
            std::get< 1 >(fArgs) = nullptr;
        };
 
        virtual ~MHO_TransformingOperator(){};
 
        virtual void SetArgs(const XArgType1* in, XArgType2* out) { fArgs = std::make_tuple(in, out); };
 
        virtual bool Initialize() override { return InitializeImpl(std::get< 0 >(fArgs), std::get< 1 >(fArgs)); }
 
        virtual bool Execute() override { return ExecuteImpl(std::get< 0 >(fArgs), std::get< 1 >(fArgs)); }
 
    protected:
        virtual bool InitializeImpl(const XArgType1* in, XArgType2* out) = 0;
 
        virtual bool ExecuteImpl(const XArgType1* in, XArgType2* out) = 0;
 
        //place for args to be stored for derived class to pick them up/modify
        std::tuple< const XArgType1*, XArgType2* > fArgs;
};
 
} // namespace hops
 
#endif