---

DbOOMs.h

Go to the documentation of this file.

//====================================================================
//      DbOOMs definition file
//--------------------------------------------------------------------
//
//      Package    : System ( The LHCb Offline System)
//
//  Description: Management of the object databases
//
//      Author     : M.Frank
//====================================================================
#ifndef DBCNV_DBOOMS_H
#define DBCNV_DBOOMS_H 1

#ifdef _WIN32  
// warning C4786:  : identifier was truncated to '255' characters in the debug information
#pragma warning ( disable : 4786 )
#endif

// STL include files
#include <string>

// Gaudi declarations
class IMessageSvc;
class IOODataBase;
class DbDataBaseMgr;

// Type defintions and forward declarations
typedef long                  DbResult;
typedef long                  DbAccessMode;
// Data declarations
class                         IDbSession;
class                         IDbFederation;
class                         IDbDataBase;
class                         IDbContainer;
class                         DbTypeInfo;
class                         DbObject;
class                         DbLink;
class                         DbSession;
class                         DbFederation;
class                         DbDataBase;
class                         DbContainer;
class                         DbPersistent;
template <class T> class      dbHandle;
template <class T> class      dbHandleBase;
//template <> class             dbHandle<DbSession>;
//template <> class             dbHandle<DbFederation>;
//template <> class             dbHandle<DbDataBase>;
//template <> class             dbHandle<DbContainer>;
//template <> class             dbHandle<DbObject>;
//template <> class             dbHandle<DbLink>;

class DbOOMs    {
public:
  // The one and only one instantiator for this class
  friend DbDataBaseMgr;
  typedef DbOOMs* (*Accessor)(void);
private:
  //IOODataBase**   m_dataBase;
  //IMessageSvc*    m_messageSvc;

  DbOOMs();
  virtual ~DbOOMs();
protected:
  // void setInstance(Accessor func);
public:
  enum AccessMode { 
    READ = 1, 
    UPDATE = 2, 
    CREATE = 4, 
    NOT_OPEN = 8 
  };
  enum Result { 
    DbSuccess     = 1,
    DbError       = 0,
    DbNoError     = DbSuccess,
    DbWarning     = 2,
    DbUserError   = 4,
    DbSystemError = 6,
    DbFatalError  = 8,
    DbDbgLevel    = DbFatalError
  };
/*
  static const DbAccessMode CREATE;
  static const DbAccessMode READ;
  static const DbAccessMode UPDATE;
  static const DbAccessMode NOT_OPEN;
  static       DbResult     DbDbgLevel;
  static const DbResult     DbSuccess;
  static const DbResult     DbError;
  static const DbResult     DbNoError;
  static const DbResult     DbWarning;
  static const DbResult     DbUserError;
  static const DbResult     DbSystemError;
  static const DbResult     DbFatalError;
*/
  //static IOODataBase* instance(unsigned char typ);
  static const char* accessMode(DbAccessMode mode)   {
    if      ( mode & DbOOMs::READ      ) return "READ     ";
    else if ( mode & DbOOMs::UPDATE && mode & DbOOMs::CREATE ) return "CREA/UPDA";
    else if ( mode & DbOOMs::UPDATE    ) return "UPDATE   ";
    else if ( mode & DbOOMs::CREATE    ) return "CREATE   ";
    //else if ( mode == DbOOMs::READWRITE ) return "READWRITE";
    else if ( mode & DbOOMs::NOT_OPEN  ) return "NOT_OPEN ";
    else                                 return "UNKNOWN  ";
  }
  // static IMessageSvc* messageSvc();
  // const char* dbType(unsigned char typ);
  // static DbResult shutdown(unsigned char typ);
  // static DbResult attachDataBase(IOODataBase* impl);
};

#endif  // DBCNV_DBOOMS_H

---