DbDomain.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
//====================================================================
//  DbDomain and related class definitions
//--------------------------------------------------------------------
//
//  Package    : StorageSvc  (The POOL project)
//  @author      M.Frank
//====================================================================
#ifndef POOL_DBDOMAIN_H
#define POOL_DBDOMAIN_H
 
// Framework include files
#include "StorageSvc/pool.h"
#include "StorageSvc/DbHandleBase.h"
 
// STL include files
#include <vector>
 
class Token;
class StatusCode;
 
/*
 *  POOL namespace declaration
 */
namespace pool    {
 
  // Forward declarations
  class IDbDomain;
  class IOODatabase;
  class DbDomainObj;
  class DbDatabaseObj;
  class DbSession;
  class DbOption;

  class DbDomain : public DbHandleBase<DbDomainObj>  {
  public:
    friend class DbDomainObj;
  private:
    void switchPtr(DbDomainObj* obj);
  public:
    DbDomain(DbDomainObj* dom);
    explicit DbDomain(const DbType& type)   {   m_type = type.majorType();       }
    DbDomain(const DbDomain& copy)      
    : DbHandleBase<DbDomainObj>()              {   *this = copy;        }

    virtual ~DbDomain()                        {   switchPtr( 0 );      }
    DbDomain& operator=(const DbDomain& copy)  {
      if ( &copy != this )  {
        m_type = copy.m_type;
        switchPtr(copy.m_ptr);
      }
      return *this;
    }

    DbDomain& operator=(const int /* null_obj */ )    {
      switchPtr(0);
      return *this;
    }

    const std::string& name() const;
    int refCount() const;


    StatusCode open(IOODatabase* imp, const DbType& technology, DbAccessMode mod = pool::READ);
    StatusCode close();
    DbAccessMode openMode() const;
    bool existsDbase(const std::string& db_name);
    const DbDatabaseObj* find(const std::string& db_name) const;
          DbDatabaseObj* find(const std::string& db_name);
    StatusCode add(const std::string& nam, DbDatabaseObj* db);
    StatusCode remove(DbDatabaseObj* db);
    StatusCode ageOpenDbs();
    StatusCode closeAgedDbs();
    void setAgeLimit(int value);
    int ageLimit()  const;
    IDbDomain* info();
    const IDbDomain* info() const;


    StatusCode setOption(const DbOption& refOpt);


    StatusCode getOption(DbOption& refOpt) const;

    IOODatabase* db();
    const IOODatabase* db()   const;
  };
}       // End namespace pool
#endif  // POOL_DBDOMAIN_H