/home/mhx/git/github/libmoost/include/moost/kvds/kvds_template.hpp

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/* vim:set ts=3 sw=3 sts=3 et: */




#include "ikvds.hpp"

#ifndef MOOST_KVDS_KVDS_TEMPLATE_HPP__
#define MOOST_KVDS_KVDS_TEMPLATE_HPP__

namespace moost { namespace kvds {


   class KvdsTemplate : public IKvds
   {
   public:
      typedef void * store_type;

      KvdsTemplate() : store_(0)
      {
         // Construction code goes here
      }

      ~KvdsTemplate()
      {
         if(!dsname_.empty())
         {
            close(); // Ensure DB is closed
         }
      }

      void open(char const dsname [], bool newdb = false)
      {
         dsname_ = dsname;

         if(newdb)
         {
            // Truncate database if it already exists
         }
         else
         {
            // Open database
         }
      }

      void save()
      {
         // Add save code here
      }

      void close()
      {
         if(!dsname_.empty())
         {
            save();

            // Add close code

            dsname_.clear(); // Make sure closed isn't called mutliple times
         }
      }

   public:

      store_type & get_store() { return store_; } // Remove if not applicable

   public:
      // IKvds interface implementation

      bool put(
         void const * pkey, size_t const ksize,
         void const * pval, size_t const vsize
         )
      {
         return false;
      }

      bool get(
         void const * pkey, size_t const ksize,
         void * pval, size_t & vsize
         )
      {
         return false;
      }

      bool add(
         void const * pkey, size_t const ksize,
         void const * pval, size_t const vsize
         )
      {
         return false;
      }

      bool all(
         void const * pkey, size_t const ksize,
         void * pval, size_t & vsize
         )
      {
         return false;
      }

      bool xst(
         void const * pkey, size_t const ksize
         )
      {
         return false;
      }

      bool del(
         void const * pkey, size_t const ksize
         )
      {
         return false;

      }

      bool clr()
      {
         return true;
      }

      bool beg()
      {
         return false;
      }

      bool nxt(
         void * pkey, size_t & ksize
         )
      {
         return false;

      }

      bool end()
      {
         return true;
      }

      bool siz(
         void const * pkey, size_t const ksize,
         size_t & vsize
         )

      {
         return false;
      }

      bool cnt(boost::uint64_t & cnt)
      {
         return false;
      }

      bool nil(bool & isnil)
      {
         isnil = true;
         return true;
      }

   private:
      store_type store_;
      std::string dsname_;
   };
}}

#endif // MOOST_KVDS_KVDS_TEMPLATE_HPP__