CollectionCursor.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef COLLECTIONCURSOR_H
#define COLLECTIONCURSOR_H
 
#include "PersistentDataModel/Token.h"
 
#include "CollectionSvc/CollectionRowBuffer.h"
#include "CollectionSvc/CollectionDescription.h"
#include "CollectionSvc/ICollectionCursor.h"
#include "StorageSvc/DbContainer.h"
 
#include <memory>
#include <map>
 
 
namespace pool {
 
    using ContainerMap = std::map< std::string, DbContainer >;

      class CollectionCursor : public ICollectionCursor
      {
      public:
 
         CollectionCursor(
            const CollectionDescription& description,
            const CollectionRowBuffer& collectionRowBuffer,
            ContainerMap& attrContainers );

         virtual bool next() override;

         virtual const CollectionRowBuffer& currentRow() const override;

         virtual std::size_t size() override;

         virtual bool seek(std::size_t position) override;

         virtual const Token& eventRef() const override;

         virtual void close() override;
 
         virtual ~CollectionCursor();
 
      protected:
         const CollectionDescription&        m_description;

         CollectionRowBuffer                 m_collectionRowBuffer;
 
         ContainerMap&                       m_attrContainers;

         DbContainer&                        m_tokenContainer;

         std::string                         m_tokenStr;
 
          std::size_t                         m_idx;
      };
 
}
 
#endif