ISessionTool.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef POOLSVC_ISESSIONTOOL_H
#define POOLSVC_ISESSIONTOOL_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "PoolSvc/IDatabase.h"
#include "DataModelRoot/RootType.h"
 
#include <string>
#include <memory>
 
namespace Gaudi {
  class IFileCatalog;
}
class Placement;
class Token;
namespace pool {
  class MicroSessionManager;
  class IStorageSvc;
}

 
class ISessionTool : virtual public AthAlgTool 
{
    public:

    virtual void setupFC( Gaudi::IFileCatalog& fileCatalog, int ageLimit = -1 ) = 0;
      
    virtual bool disconnectAll() = 0;

    virtual bool start( Io::IoFlag type = Io::READ ) = 0;

    virtual bool commit() = 0;

    virtual bool commitAndHold() = 0;

    virtual Io::IoFlag openMode() const = 0;

    virtual std::unique_ptr<pool::IDatabase> 
    databaseHandle( const std::string& dbName, pool::DatabaseSpecification::NameType dbNameType ) = 0;

    virtual void* readObject( const Token& token, void* object = 0 ) = 0;

    virtual Token* registerForWrite( const Placement& place, const void* object, const RootType& type ) = 0;

    virtual pool::MicroSessionManager& microSessionManager( long technology ) = 0;

    virtual pool::IStorageSvc& getStorageSvc( long technology ) = 0;
 
    virtual void closeSession() = 0;
 
    virtual ~ISessionTool() = default;
};
 
#endif