IStorageSvc.h

Go to the documentation of this file.

/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef POOL_ISTORAGESVC_H
#define POOL_ISTORAGESVC_H
 
// Framework include files
#include "StorageSvc/pool.h"
 
// STL include files
#include <string>
 
// Forward declarations
class Guid;
class Token;
class StatusCode;
 
/*
 *     pool namespace declaration
 */
namespace pool  {
 
  // Forward declarations
  class FileDescriptor;
  class DbOption;
 
  typedef const class Shape*  ShapeH;

 
  class IStorageSvc   {
  public:
    virtual ~IStorageSvc()   { }

    virtual unsigned int addRef() = 0;

    virtual unsigned int release() = 0;


    virtual std::string getContName(FileDescriptor& refDB,
                                    Token&          pToken) const = 0;


    virtual StatusCode allocate(  FileDescriptor&       refDB,
                                  const std::string&    refCont,
                                  int                   technology,
                                  const void*           object,
                                  ShapeH                shapeH,
                                  Token*&               refpTok) = 0;
 


    virtual StatusCode read(      const FileDescriptor& refDB,
                                  const Token&          pToken,
                                  ShapeH                shapeH,
                                  void**                object) = 0;


    virtual StatusCode getShape(  FileDescriptor&       refDB,
                                  const Guid&           objType,
                                  ShapeH&               shapeH) = 0;


    virtual ShapeH     createShape( const Guid& shapeID ) = 0;


      virtual StatusCode startSession(Io::IoFlag mode, int tech, int ageLimit = -1) = 0;


    virtual StatusCode endSession() = 0;


    virtual StatusCode existsConnection(const FileDescriptor& refDB) = 0;


    virtual StatusCode connect(Io::IoFlag mode, FileDescriptor& refDB) = 0;


    virtual StatusCode disconnect(FileDescriptor&     refDB) = 0;


    virtual StatusCode openMode(FileDescriptor& refDB, Io::IoFlag& mode ) = 0;


    virtual StatusCode endTransaction(FileDescriptor& refDB, Transaction::Action typ) = 0;


    virtual StatusCode getDomainOption(DbOption& opt) = 0;


    virtual StatusCode setDomainOption(const DbOption& opt) = 0;
 
  };
 
  // Factory function
  IStorageSvc* createStorageSvc(const std::string& componentName);
  
}       // End namespace pool
#endif  // POOL_ISTORAGESVC_H