AnyDataHandle.h

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#ifndef GAUDIKERNEL_ANYDATAHANDLE_H
#define GAUDIKERNEL_ANYDATAHANDLE_H

#include "GaudiKernel/AnyDataWrapper.h"
#include <GaudiKernel/DataObjectHandle.h>

//TODO: we should derive directly from DataObjectHandleBase
//      now that that is sufficient to get all the declareProperty
//      stuff done... (thanks to the SFINAE constraints in
//      Algortihm and AlgTool!)
//      And then we can avoid any confusion with the DataObjectHandle
//      interface.
template<typename T>
struct AnyDataHandle final : public DataObjectHandle<AnyDataWrapper<T> > {

  using DataObjectHandle<AnyDataWrapper<T>>::DataObjectHandle;

  const T* get() const;

  const T* put(T&& object);

};

//---------------------------------------------------------------------------

template<typename T>
const T* AnyDataHandle<T>::get() const {
  auto doh = DataObjectHandle<AnyDataWrapper<T>>::get();
  return &(doh->getData());
}

//---------------------------------------------------------------------------

template<typename T>
const T* AnyDataHandle<T>::put (T&& objectp){
  auto dw = new AnyDataWrapper<T>(std::move(objectp));
  return &DataObjectHandle<AnyDataWrapper<T> >::put(dw)->getData();
}


#endif