RecTrackCnv.cxx

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// File and Version Information:
// Description:
//      DstCnv is the concrete converter for the Rec branch
//
 
#ifndef RecTrackCnv_CXX
#define RecTrackCnv_CXX
 
#include "GaudiKernel/DataObject.h"
#include "GaudiKernel/IDataProviderSvc.h"
#include "GaudiKernel/ISvcLocator.h"
#include "GaudiKernel/MsgStream.h"
#include "GaudiKernel/PropertyMgr.h"
#include "GaudiKernel/RegistryEntry.h"
#include "GaudiKernel/SmartDataPtr.h"
 
#include "GaudiKernel/IOpaqueAddress.h"
 
#include "EventModel/EventHeader.h"
#include "EventModel/EventModel.h"
#include "ReconEvent/ReconEvent.h"
#include "RootCnvSvc/Rec/RecTrackCnv.h"
#include "RootCnvSvc/RootAddress.h"
#include "RootCnvSvc/RootEvtSelector.h"
// #include "RootCnvSvc/Util.h"
#include "McTruth/DecayMode.h"
 
using namespace DataSvcHelpers;
 
// Instantiation of a static factory class used by clients to create
// instances of this service
// static CnvFactory<RecTrackCnv> s_factory;
// const ICnvFactory& RecTrackCnvFactory = s_factory;
 
TRecTrackEvent* RecTrackCnv::m_objWrite = 0;
 
RecTrackCnv::RecTrackCnv( ISvcLocator* svc ) : RootEventBaseCnv( classID(), svc ) {
 
  // Here we associate this converter with the path on the TDS.
  m_rootBranchname = "";
  // declareObject(EventModel::Recon::Event, objType(), m_rootTreename, m_rootBranchname);
  // //Dst-->Recon liangyt -->Rec m_objWrite=0;
}
 
StatusCode RecTrackCnv::initialize() {
  MsgStream log( msgSvc(), "RecTrackCnv" );
  log << MSG::DEBUG << "RecTrackCnv::initialize" << endmsg;
 
  StatusCode status = RootEventBaseCnv::initialize();
 
  // pass dst converter to the conversion service
  m_cnvSvc->setRecTrackCnv( this );
 
  return status;
}
 
StatusCode RecTrackCnv::TObjectToDataObject( DataObject*& refpObject ) {
  // fills the TDS object from the persistent one
  StatusCode sc = StatusCode::SUCCESS;
 
  MsgStream log( msgSvc(), "RecTrackCnv" );
  log << MSG::DEBUG << "TObjectToDataObject" << endmsg;
  /*
  SmartDataPtr<Event::EventHeader> evt(m_eds, EventModel::EventHeader);
  if (!evt) {
    log << MSG::ERROR << "Failed to retrieve RecEvent" << endmsg;
    return StatusCode::FAILURE;
  }
 
  */
 
  ReconEvent* tdsev = new ReconEvent();
  refpObject        = tdsev;
  // sc =m_eds ->registerObject(EventModel::EventHeader, evt);
 
  return sc;
}
 
StatusCode RecTrackCnv::DataObjectToTObject( DataObject* obj, RootAddress* rootaddr ) {
  // transforms TDS event to Dst event in root format
  MsgStream log( msgSvc(), "RecTrackCnv" );
  log << MSG::DEBUG << "RecTrackCnv::DataObjectToTObject" << endmsg;
 
  // test if already done for this event
  // zoujh: if (m_objWrite && (m_objWrite->getRunId()!=0 || m_objWrite->getEventId()!=0))
  // return StatusCode::SUCCESS;
 
  if ( m_common.m_rectrackEvt != NULL ) return StatusCode::SUCCESS;
  /*
    SmartDataPtr<Event::EventHeader> evtTds(m_eds, EventModel::EventHeader);
 
    if (!evtTds) {
      log << MSG::ERROR << "Failed to retrieve EventHeader in TDS" << endmsg;
      return StatusCode::FAILURE;
    }
  */
  ReconEvent* devtTds = dynamic_cast<ReconEvent*>( obj );
  if ( !devtTds )
  {
    log << MSG::ERROR << "Could not downcast to TDS Event" << endmsg;
    return StatusCode::FAILURE;
  }
 
  m_objWrite             = new TRecTrackEvent(); // zoujh
  m_common.m_rectrackEvt = m_objWrite;           // zoujh
 
  // create branch if not yet done
  if ( m_branchNrRecon < 0 )
  { ///////////liangyt
    // zoujh: m_objWrite = new TDstEvent();
    StatusCode sc =
        m_rootInterface->createBranch( rootaddr->getTreename(), "TRecEvent",
                                       m_objWrite->ClassName(), &m_objWrite, m_branchNrRecon );
 
    if ( sc.isFailure() )
    {
      cout << "Could not create branch TRecEvent" << endl;
      log << MSG::ERROR << "Could not create branch TRecEvent" << endmsg;
      return sc;
    }
  }
 
  // Int_t evtId = evtTds->eventNumber();
  // Int_t runId = evtTds->runNumber();
 
  m_objWrite->initialize();
 
  return StatusCode::SUCCESS;
}
#endif