makeParallelDataFrom.h

Go to the documentation of this file.

#ifndef LARDATA_RECOBASEPROXY_PROXYBASE_MAKEPARALLELDATAFROM_H
#define LARDATA_RECOBASEPROXY_PROXYBASE_MAKEPARALLELDATAFROM_H

// LArSoft libraries
#include "lardata/RecoBaseProxy/ProxyBase/ParallelData.h"
#include "larcorealg/CoreUtils/ContainerMeta.h" // util::collection_value_t, ...

// framework libraries
#include "canvas/Utilities/InputTag.h"



namespace proxy {
  
  
  // -- BEGIN Parallel data infrastructure -------------------------------------
  
  template <
    typename AuxColl,
    typename Aux = util::collection_value_t<AuxColl>,
    typename Tag = Aux
    >
  auto makeParallelDataFrom(AuxColl const& data)
    { return proxy::makeParallelData<AuxColl, Aux, Tag>(data); }
  
  
  template <typename AuxColl, typename Aux, typename Tag, typename Event>
  auto makeParallelDataFrom(Event const& event, art::InputTag const& tag);
  
  template <typename AuxColl, typename Aux, typename Event>
  auto makeParallelDataFrom(Event const& event, art::InputTag const& tag)
    { return makeParallelDataFrom<AuxColl, Aux, Aux, Event>(event, tag); }
  
  template <typename AuxColl, typename Event>
  auto makeParallelDataFrom(Event const& event, art::InputTag const& tag)
    {
      return
        makeParallelDataFrom<AuxColl, util::collection_value_t<AuxColl>, Event>
        (event, tag);
    }
  
  
  // -- END Parallel data infrastructure ---------------------------------------
  
  
} // namespace proxy


//------------------------------------------------------------------------------
//--- template implementation
//------------------------------------------------------------------------------
namespace proxy {
  
  //----------------------------------------------------------------------------
  //--- makeParallelDataFrom() implementations
  //----------------------------------------------------------------------------
  template <typename AuxColl, typename Aux, typename Tag, typename Event>
  auto makeParallelDataFrom(Event const& event, art::InputTag const& tag) {
    return makeParallelDataFrom<AuxColl, Aux, Tag>
      (*(event.template getValidHandle<AuxColl>(tag)));
  } // makeParallelDataFrom()
  
} // namespace proxy


#endif // LARDATA_RECOBASEPROXY_PROXYBASE_MAKEPARALLELDATAFROM_H