OW_dbDatabase.hpp

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#ifndef OW_DB_DATABASE_HPP_INCLUDE_GUARD_
#define OW_DB_DATABASE_HPP_INCLUDE_GUARD_
#include "OW_config.h"
#include "OW_Exception.hpp"
#include "OW_String.hpp"

#include <db.h>

#include <vector>

namespace OW_NAMESPACE
{

OW_DECLARE_EXCEPTION(dbDatabase);

class dbDatabase
{
public:
   
   dbDatabase();

   ~dbDatabase();

   enum EDuplicateKeysFlag
   {
      E_NO_DUPLICATES,
      E_DUPLICATES
   };

   void open(const char* name, ::DB_ENV* env, ::DB_TXN* txn, EDuplicateKeysFlag allowDuplicates = E_NO_DUPLICATES);
   
   void close();

   bool get(const String& key, std::vector<unsigned char>& data, ::DB_TXN* txn);

   void put(const String& key, const std::vector<unsigned char>& data, ::DB_TXN* txn);

private:

   ::DB* m_db;
};


} // end namespace OW_NAMESPACE

#endif

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