Gaudi::RootDatabaseCnv Class Reference

Statistics file converter class definition. More...

#include <Root/RootDatabaseCnv.h>

Inheritance diagram for Gaudi::RootDatabaseCnv:

Collaboration diagram for Gaudi::RootDatabaseCnv:

List of all members.

Public Member Functions
	RootDatabaseCnv (long typ, const CLID &, ISvcLocator *svc, RootCnvSvc *mgr)
	Initializing Constructor.
virtual	~RootDatabaseCnv ()
	Standard destructor.
virtual const std::string	containerName (IRegistry *) const
	Retrieve the name of the container a given object is placed into.
virtual StatusCode	createObj (IOpaqueAddress *pAddr, DataObject *&refpObj)
	Converter overrides: Create transient object from persistent data.

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Detailed Description

Statistics file converter class definition.

Description: Definition of the converter to open root database files.

Author:

M.Frank

Version:

1.0

Definition at line 29 of file RootDatabaseCnv.h.

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Constructor & Destructor Documentation

RootDatabaseCnv::RootDatabaseCnv	(	long	typ,
		const CLID &	cl,
		ISvcLocator *	svc,
		RootCnvSvc *	mgr
	)

Initializing Constructor.

Parameters:

typ	[IN] Concrete storage type of the converter
svc	[IN] Pointer to service locator object
mgr	[IN] Pointer to hosting conversion service

Returns:

Reference to RootDatabaseCnv object

Definition at line 28 of file RootDatabaseCnv.cpp.

: RootDirectoryCnv(typ, cl, svc, mgr)
{
}

RootDatabaseCnv::~RootDatabaseCnv

(

)

[virtual]

Standard destructor.

Definition at line 34 of file RootDatabaseCnv.cpp.

                                    {
}

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Member Function Documentation

virtual const std::string Gaudi::RootDatabaseCnv::containerName

(

IRegistry *

)

const [inline, virtual]

Retrieve the name of the container a given object is placed into.

Parameters:

pReg	[IN] Pointer to registry entry.

Returns:

Name of the container the object should be put to.

Reimplemented from Gaudi::RootStatCnv.

Definition at line 49 of file RootDatabaseCnv.h.

                                                                         {
      return "<local>";
    }

StatusCode RootDatabaseCnv::createObj	(	IOpaqueAddress *	pAddr,
		DataObject *&	refpObj
	)		[virtual]

Converter overrides: Create transient object from persistent data.

Parameters:

refpAddress	[IN] Pointer to object address.
refpObject	[OUT] Location to pointer to store data object

Returns:

Status code indicating success or failure.

Reimplemented from Gaudi::RootDirectoryCnv.

Definition at line 39 of file RootDatabaseCnv.cpp.

                                                                       {
  StatusCode status = StatusCode::FAILURE;
  if ( pAddr ) {
    RootDataConnection* con = 0;
    IRegistry* pReg = pAddr->registry();
    const unsigned long* ipars = pAddr->ipar();
    const string*   spars = pAddr->par();
    char mode = char(ipars[1]);
    string fname   = spars[0];
    string oname   = pReg->name();
    bool recrea = mode == 'R';
    bool create = mode == 'N';
    bool update = mode == 'U';
    bool read   = mode == 'O';
    const CLID& clid = objType();
    status = StatusCode::SUCCESS;
    string cntName = containerName(pReg);
    if ( create ) {
      m_dbMgr->connectDatabase(fname,IDataConnection::CREATE,&con).ignore();
      status = saveDescription(fname, cntName, "File containing statistics results.","", clid);
      if ( status.isSuccess() )  {
        log() << MSG::INFO << "Opened NEW Database file:"
          << fname << " as " << oname << endmsg;
      }
    }
    else if ( update )  {
      m_dbMgr->connectDatabase(fname,IDataConnection::UPDATE,&con).ignore();
      status = saveDescription(fname, cntName, "File containing statistics results.","", clid);
      if ( status.isSuccess() )  {
        log() << MSG::INFO << "Connect to existing Database file:"
          << fname << " as " << oname << " for UPDATE" << endmsg;
      }
    }
    else if ( read ) {
      status = m_dbMgr->connectDatabase(fname,IDataConnection::READ,&con);
      if ( status.isSuccess() )  {
        log() << MSG::INFO << "Connect to existing Database file:"
          << fname << " as " << oname << " for READ" << endmsg;
      }
    }
    else if ( recrea )  {
      m_dbMgr->connectDatabase(fname,IDataConnection::RECREATE,&con).ignore();
      status = saveDescription(fname, cntName, "File containing statistics results.","", clid);
      if ( status.isSuccess() )  {
        log() << MSG::INFO << "Recreate Database file:" << fname << " as " << oname << endmsg;
      }
    }
    else  {
      log() << MSG::ERROR << "Don't know what to do:" << fname << endmsg;
      status = StatusCode::FAILURE;
    }
    // Now create object
    if ( status.isSuccess() )  {
      NTuple::File* pFile = new NTuple::File(objType(), fname, oname);
      pFile->setOpen(false);
      refpObj = pFile;
    }
  }
  return status;
}

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The documentation for this class was generated from the following files:

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r2/RootCnv/RootCnv/RootDatabaseCnv.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r2/RootCnv/src/RootDatabaseCnv.cpp