---

DbCnvSvc.h

Go to the documentation of this file.

//====================================================================
//      DbCnvSvc definition
//--------------------------------------------------------------------
//
//      Package    : System ( The LHCb Offline System)
//
//  Description: 
//
//      Author     : M.Frank
//====================================================================
#ifndef DBCNV_DBCNVSVC_H
#define DBCNV_DBCNVSVC_H
// $Header: /nfs/slac/g/glast/ground/cvs/GaudiDb/src/Services/DbCnvSvc.h,v 1.1.1.1 2001/04/18 21:13:35 tlindner Exp $

// Framework include files
#include "GaudiKernel/AddrFactory.h"
#include "GaudiKernel/ConversionSvc.h"

// Db include files
#include "GaudiDb/IDataBaseMgr.h"
#include "GaudiDb/DbSession.h"
#include "GaudiDb/DbDataBase.h"
#include "GaudiDb/DbFederation.h"

// Forward declarations
template <class ConcreteService> class SvcFactory;
class IOODataBase;

class DbCnvSvc : public ConversionSvc, 
                 virtual public IDataBaseMgr,
                 virtual public IAddrFactory
{
  friend SvcFactory<DbCnvSvc>;
protected:
  IOODataBase*            m_dbase;
  dbHandle<DbSession>     m_session;
  dbHandle<DbFederation>  m_federation;
  dbHandle<DbDataBase>    m_output;
  std::string             m_fddbName;
  std::string             m_implementation;
  std::string             m_serverConnect;
  DbCnvSvc(const std::string& name, ISvcLocator* svc);
  virtual ~DbCnvSvc();

public:
  virtual StatusCode queryInterface(const IID& riid, void** ppvInterface);
  virtual StatusCode initialize();
  virtual StatusCode finalize();
  virtual const ICnvFactory* findCnvFactory(const CLID& wanted);
  virtual IConverter* createConverter(const ICnvFactory& fac);

  virtual dbHandle<DbDataBase>& defaultDbHdl()   {
    return m_output;
  }
  virtual dbHandle<DbSession>&  defaultSessionHdl()   {
    return m_session;
  }
  virtual dbHandle<DbFederation>&  defaultFederationHdl()   {
    return m_federation;
  }
  virtual StatusCode connectOutput(const std::string& fname);

  virtual IOpaqueAddress* instantiate(const CLID& /* classId */ , 
                                      const std::string& /* fileName */, 
                                      const std::string& /* contName */, 
                                      int /* seqId */  ) const    {
    return 0;
  }
  virtual IOpaqueAddress* instantiate(const GenericLinkBase& link,
                                      const std::string& dbName, 
                                      const std::string& containerName,
                                      const std::string& objectName) const;
  virtual StatusCode requestImplementation(IOODataBase*& accessor);
  virtual IOODataBase* implementation();
  virtual dbIter<DbObject>* createIterator(const std::string& dbName, const std::string& cntName, DbAccessMode mode);
};

#endif  // DBCNV_DBCNVSVC_H

---