PoolCollectionConverter.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef POOLCOLLECTIONCONVERTER_H
#define POOLCOLLECTIONCONVERTER_H

 
#include <string>
#include <memory>
 
// Forward declarations
class IPoolSvc;
namespace pool {
   class ICollection;
   class ICollectionCursor;
}
class StatusCode;

class PoolCollectionConverter {
 
public:
   PoolCollectionConverter( const std::string& inputCollection,
                            unsigned int contextId,
                            const IPoolSvc* svc);

   virtual ~PoolCollectionConverter();

   StatusCode initialize();

   StatusCode disconnectDb();

   StatusCode isValid() const;

   std::unique_ptr<pool::ICollectionCursor> selectAll();
 
   const std::string& lastError() const { return m_lastError; }
 
private: // data
   std::string       m_inputCollection;
   unsigned int      m_contextId;
   const IPoolSvc*   m_poolSvc;
   pool::ICollection* m_poolCollection;
   // Last error message from Collection open() (if any)
   std::string       m_lastError;
 
private: // hide copy and assignment
   PoolCollectionConverter(const PoolCollectionConverter& rhs);
   PoolCollectionConverter& operator=(const PoolCollectionConverter& rhs);
};
#endif