map_obj_null_w.cc

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// -*- C++ -*-
/*! \file
 *  \brief Null based std::map object, factory registration
 */
 
#include "chromabase.h"
#include "qdp_map_obj_null.h"
#include "util/ferm/map_obj/map_obj_factory_w.h"
#include "util/ferm/key_prop_colorvec.h"
#include <string>
 
namespace Chroma 
{ 
  
  namespace MapObjectNullEnv 
  {
    namespace
    {
      //! Callback function
      QDP::MapObject<int,EVPair<LatticeColorVector> >* createMapObjIntKeyCV(XMLReader& xml_in,
                                                                            const std::string& path,
                                                                            const std::string& user_data) 
      {
        // Doesn't need parameters...
        auto obj = new QDP::MapObjectNull<int,EVPair<LatticeColorVector> >();
        obj->insertUserdata(user_data);
        return obj;
      }
 
      //! Callback function
      QDP::MapObject<KeyPropColorVec_t,LatticeFermion>* createMapObjKeyPropColorVecLF(XMLReader& xml_in,
                                                                                      const std::string& path,
                                                                                      const std::string& user_data) 
      {
        // Doesn't need parameters...
        auto obj = new QDP::MapObjectNull<KeyPropColorVec_t,LatticeFermion>();
        obj->insertUserdata(user_data);
        return obj;
      }
 
      //! Local registration flag
      bool registered = false;
 
      //! Name to be used
      const std::string name = "MAP_OBJECT_NULL";
    } // namespace anonymous
 
    std::string getName() {return name;}
 
    //! Register all the factories
    bool registerAll() 
    {
      bool success = true; 
      if (! registered)
      {
        success &= Chroma::TheMapObjIntKeyColorEigenVecFactory::Instance().registerObject(name, createMapObjIntKeyCV);
        success &= Chroma::TheMapObjKeyPropColorVecFactory::Instance().registerObject(name, createMapObjKeyPropColorVecLF);
        registered = true;
      }
      return success;
    }
 
  } // Namespace MapObjectNullEnv
 
} // Chroma