RootKeyContainer.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
//====================================================================
//        Root Database implementation
//--------------------------------------------------------------------
//
//        Package    : RootStorageSvc (The POOL project)
//
//        Author     : M.Frank
//====================================================================
#ifndef POOL_ROOTKEYCONTAINER_H
#define POOL_ROOTKEYCONTAINER_H 1
 
// Framework include files
#include "StorageSvc/DbDatabase.h"
#include "StorageSvc/DbContainerImp.h"
 
// Forward declarations
class StatusCode;
namespace CINT { class IOHandler; }
class TDirectory;
class TBuffer;
class TClass;
 
namespace pool  { 
  // Forward declarations
  class RootKeyIOHandler;

  class RootKeyContainer : public DbContainerImp {
    TDirectory*        m_dir;
    DbDatabase         m_dbH;
    RootDatabase*         m_rootDb;
    RootKeyIOHandler*  m_ioHandler;
    int                m_policy;
    int                m_ioBytes;
 
  protected:
    virtual StatusCode writeObject(ActionList::value_type&) override;
  public:
    explicit RootKeyContainer(const std::string& name);
    virtual ~RootKeyContainer();
    RootKeyContainer(const RootKeyContainer&) = delete;
    RootKeyContainer& operator=(const RootKeyContainer&) = delete;
    virtual StatusCode close() override;
    virtual StatusCode open(DbDatabase& dbH,
                            const std::string& nam, 
                            const DbTypeInfo* info,
                            DbAccessMode mod) override;
    virtual StatusCode checkAccess(DbDatabase& dbH,
                                 const std::string& nam) const override final;
    virtual uint64_t size() override;
    virtual uint64_t nextRecordId() override;
    virtual StatusCode next(Token::OID_t& linkH) override;


    virtual StatusCode loadObject( void** ptr, ShapeH shape,
                                   Token::OID_t& oid) override;

    virtual StatusCode load( void** ptr, ShapeH shape,
                             const Token::OID_t& linkH,
                             Token::OID_t& oid,
                             bool          any_next) override;


    virtual StatusCode getOption(DbOption& opt) override;


    virtual StatusCode setOption(const DbOption& opt) override;


    virtual StatusCode transAct(Transaction::Action action) override;
  };
}
#endif //POOL_ROOTKEYCONTAINER_H