IDatabase.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef INCLUDE_PERSISTENCYSVC_IDATABASE_H
#define INCLUDE_PERSISTENCYSVC_IDATABASE_H
 
// includes
#include <string>
#include <vector>
 
namespace pool {
 
  // forward declarations
  class DatabaseConnectionPolicy;
  class IContainer;
  class ITechnologySpecificAttributes;
 
  struct DatabaseSpecification {
    enum NameType { UNDEFINED,
                    PFN,    
                    FID,    
                    LFN     
    };
  };

 
  class IDatabase {
  public:
    typedef enum { CLOSED,
           READ,
           UPDATE } OpenMode;

    virtual ~IDatabase() {};

    virtual void connectForRead() = 0;

    virtual void connectForWrite() = 0;

    virtual void disconnect() = 0;

    virtual OpenMode openMode() const = 0;

    virtual const std::string& fid() = 0;

    virtual const std::string& pfn() = 0;

    virtual bool setTechnology( long technology ) = 0;

    virtual long technology() const = 0;

    virtual std::vector< std::string > containers() = 0;

    virtual IContainer* containerHandle( const std::string& name ) = 0;

    virtual const ITechnologySpecificAttributes& technologySpecificAttributes() const = 0;
    virtual ITechnologySpecificAttributes& technologySpecificAttributes() = 0;
  };
 
}
 
#endif