/home/mhx/git/github/libmoost/include/moost/container/policies/sparse_hash_map.hpp

Go to the documentation of this file.

/* vim:set ts=3 sw=3 sts=3 et: */
#ifndef MOOST_SPARSE_HASH_MAP_POLICY_HPP
#define MOOST_SPARSE_HASH_MAP_POLICY_HPP

#include "generic_map.hpp"
#include "../sparse_hash_map.hpp"

namespace moost { namespace container { namespace policies {

template <typename TKey, typename TVal>
class sparse_hs_map : public generic_map< moost::container::sparse_hash_map<TKey, TVal> >
{
public:

   typedef typename moost::container::sparse_hash_map<TKey, TVal> map_type;

public:

   sparse_hs_map(size_t hint_size = 1048576)
      : m_hintSize(hint_size)
   {}

   virtual ~sparse_hs_map(){}

   virtual void init(map_type& map) const
   {
      if ( m_hintSize > 0 )
         map.resize(m_hintSize);
   }

   virtual void resize(map_type& map, size_t numKeys) const
   { map.resize(numKeys); }

private:
   size_t m_hintSize;
};

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

template <typename TKey, typename TVal>
struct map_policy_selector< TKey, TVal, moost::container::sparse_hash_map<TKey, TVal> >
{
   // will return generic_map
   typedef sparse_hs_map<TKey, TVal>  policy_type;
};

}}}

#endif // MOOST_SPARSE_HASH_MAP_POLICY_HPP