qdp_map_obj_null.h

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// -*- C++ -*-
 
#ifndef __qdp_map_obj_null_h__
#define __qdp_map_obj_null_h__
 
#include "qdp_map_obj.h"
#include <vector>
 
namespace QDP
{
 
  //----------------------------------------------------------------------------
  template<typename K, typename V>
  class MapObjectNull : public MapObject<K,V>
  {
  public:
    MapObjectNull() {}

    ~MapObjectNull() {}

    int insert(const K& key, const V& val) {return 1;}

    int get(const K& key, V& val) const {return 1;}
    
    void flush() {}

    bool exist(const K& key) const {return false;}
                        
    unsigned int size() const {return 0;}

    void keys(std::vector<K>& _keys) const {}

    int insertUserdata(const std::string& user_data) {return 0;}
    
    int getUserdata(std::string& user_data) const {return 0;}
  };
 
} // namespace QDP
 
#endif