TokenIterator.h

Go to the documentation of this file.

/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef PERSISTENCYSVC_TOKENITERATOR_H
#define PERSISTENCYSVC_TOKENITERATOR_H
 
#include "PersistencySvc/ITokenIterator.h"
#include "PersistencySvc/IPositionSeek.h"
#include "AthenaKernel/ICollectionSize.h"
#include "GaudiKernel/implements.h"
 
#include <string>
 
namespace pool {
 
  // forward declarations
  class FileDescriptor;
  class IStorageExplorer;
  class DbSelect;
 
  namespace PersistencySvc {
 
    class TokenIterator : virtual public ITokenIterator,
              virtual public IPositionSeek,
              virtual public implements<ICollectionSize>
      {
      public:
    TokenIterator( FileDescriptor& fileDescriptor,
               const std::string& containerName,
               IStorageExplorer& storageExplorer,
               const std::string& selection );
    ~TokenIterator();
 
        TokenIterator( const TokenIterator& ) = delete;
        TokenIterator& operator=( const TokenIterator& ) = delete;
 
    Token* next();
 
        virtual bool seek (long long int position);
 
        virtual int size ();
 
      private:
    IStorageExplorer& m_storageExplorer;
    DbSelect* m_selection;
      };
  }
}
 
#endif