PoolDbDatabaseCnv Class Reference

Statistics file converter class definition. More...

#include <PoolDb/PoolDbDatabaseCnv.h>

Inheritance diagram for PoolDbDatabaseCnv:

Collaboration diagram for PoolDbDatabaseCnv:

List of all members.

Public Member Functions
	PoolDbDatabaseCnv (long typ, const CLID &, ISvcLocator *svc)
	Initializing Constructor.
virtual	~PoolDbDatabaseCnv ()
	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 Database file. Wether this is a real file or only a connection to a database depends on the underlying engine.

Author:

M.Frank

Version:

1.0

Definition at line 26 of file PoolDbDatabaseCnv.h.

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Constructor & Destructor Documentation

PoolDbDatabaseCnv::PoolDbDatabaseCnv	(	long	typ,
		const CLID &	,
		ISvcLocator *	svc
	)

Initializing Constructor.

Parameters:

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

Returns:

Reference to PoolDbDatabaseCnv object

PoolDbDatabaseCnv::~PoolDbDatabaseCnv

(

)

[virtual]

Standard destructor.

Definition at line 30 of file PoolDbDatabaseCnv.cpp.

                                        {
}

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Member Function Documentation

virtual const std::string PoolDbDatabaseCnv::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 PoolDbStatCnv.

Definition at line 45 of file PoolDbDatabaseCnv.h.

                                                                       {
    return "<local>";
  }

StatusCode PoolDbDatabaseCnv::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 PoolDbDirectoryCnv.

Definition at line 35 of file PoolDbDatabaseCnv.cpp.

                                                                         {
  StatusCode status = StatusCode::FAILURE;
  MsgStream log(msgSvc(), "PoolDbDatabaseCnv");
  if ( pAddr ) {
    IRegistry* pReg = pAddr->registry();
    const unsigned long* ipars = pAddr->ipar();
    const std::string*   spars = pAddr->par();
    char mode = char(ipars[1]);
    pool::Guid guid(pool::Guid::null());
    std::string fname   = spars[0];
    std::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;
    guid.Data1 = objType();
    std::string cntName = containerName(pReg);
    if ( create ) {
      status = saveDescription(fname, cntName, "File containing statistics results.",
                               "", guid, clid, "NEW");
      if ( status.isSuccess() )  {
        log << MSG::INFO << "Opened NEW Database file:"
            << fname << " as " << oname << endmsg;
      }
    }
    else if ( update )  {
      status = saveDescription(fname, cntName, "File containing statistics results.",
                               "", guid, clid, "UPDATE");
      if ( status.isSuccess() )  {
        log << MSG::INFO << "Connect to existing Database file:"
            << fname << " as " << oname << " for UPDATE" << endmsg;
      }
    }
    else if ( read ) {
      if ( status.isSuccess() )  {
        log << MSG::INFO << "Connect to existing Database file:"
            << fname << " as " << oname << " for READ" << endmsg;
      }
    }
    else if ( recrea )  {
      status = saveDescription(fname, cntName, "File containing statistics results.",
                               "", guid, clid, "RECREATE");
      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_v22r2/GaudiPoolDb/GaudiPoolDb/PoolDbDatabaseCnv.h
• /afs/.cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r2/GaudiPoolDb/src/PoolDbDatabaseCnv.cpp