EvtNavigatorCnv.cxx

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// File and Version Information:
// Description:
//      EvtNavigatorCnv is the concrete converter for the EvtNavigator branch
//
 
#ifndef EvtNavigatorCnv_CXX
#define EvtNavigatorCnv_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/EventModel.h"
#include "EventNavigator/EventNavigator.h"
#include "RootCnvSvc/EvtNavigatorCnv.h"
#include "RootCnvSvc/RootAddress.h"
#include "RootCnvSvc/RootEvtSelector.h"
#include "RootEventData/TEvtNavigator.h"
// #include "RootCnvSvc/Util.h"
 
using namespace DataSvcHelpers;
 
TEvtNavigator* EvtNavigatorCnv::m_evtNavigatorR = 0;
TEvtNavigator* EvtNavigatorCnv::m_evtNavigatorW = 0;
 
EvtNavigatorCnv::EvtNavigatorCnv( ISvcLocator* svc ) : RootEventBaseCnv( classID(), svc ) {
  // Here we associate this converter with the path on the TDS.
  MsgStream log( msgSvc(), "EvtNavigatorCnv" );
  m_rootBranchname = "m_mcMdcMcHits:m_mcMdcTracks:m_mcEmcMcHits:m_mcEmcRecShowers";
  m_adresses.push_back( &m_mcMdcMcHits );
  m_adresses.push_back( &m_mcMdcTracks );
  m_adresses.push_back( &m_mcEmcMcHits );
  m_adresses.push_back( &m_mcEmcRecShowers );
 
  m_evtNavigatorR = 0;
  m_evtNavigatorW = 0;
}
 
StatusCode EvtNavigatorCnv::TObjectToDataObject( DataObject*& refpObject ) {
  // fills the TDS object from the persistent one
  StatusCode sc = StatusCode::SUCCESS;
 
  MsgStream log( msgSvc(), "EvtNavigatorCnv" );
 
  EventNavigator* evt = new EventNavigator;
  refpObject          = evt;
 
  // fill DataObject
  evt->setMcMdcMcHitsIdx( m_mcMdcMcHits );
  evt->setMcMdcTracksIdx( m_mcMdcTracks );
  evt->setMcEmcMcHitsIdx( m_mcEmcMcHits );
  evt->setMcEmcRecShowersIdx( m_mcEmcRecShowers );
 
  delete m_evtNavigatorR;
  m_evtNavigatorR = 0;
 
  return sc;
}
 
StatusCode EvtNavigatorCnv::initialize() {
 
  StatusCode status = RootEventBaseCnv::initialize();
  m_cnvSvc->setEvtNavigatorCnv( this );
 
  return status;
}
 
StatusCode EvtNavigatorCnv::DataObjectToTObject( DataObject* obj, RootAddress* rootaddr ) {
  // transforms TDS event to Dst event in root format
  MsgStream log( msgSvc(), "EvtNavigatorCnv" );
 
  EventNavigator* evtNaviTds = dynamic_cast<EventNavigator*>( obj );
  if ( !evtNaviTds )
  {
    log << MSG::ERROR << "Could not downcast to TDS EventNavigator" << endmsg;
    return StatusCode::FAILURE;
  }
 
  m_evtNavigatorW         = new TEvtNavigator();
  m_common.m_EvtNavigator = m_evtNavigatorW;
 
  m_evtNavigatorW->LoadMcMdcTracks( evtNaviTds->getMcMdcTracksIdx() );
  if ( evtNaviTds->getMcMdcTracksIdx().empty() )
    m_evtNavigatorW->LoadMcMdcMcHits( evtNaviTds->getMcMdcMcHitsIdx() );
  m_evtNavigatorW->LoadMcEmcRecShowers( evtNaviTds->getMcEmcRecShowersIdx() );
  if ( evtNaviTds->getMcEmcRecShowersIdx().empty() )
    m_evtNavigatorW->LoadMcEmcMcHits( evtNaviTds->getMcEmcMcHitsIdx() );
 
  // create branch if not yet done
  if ( m_branchNrEvtNavigator < 0 )
  {
    StatusCode sc = m_rootInterface->createBranch( rootaddr->getTreename(), "EventNavigator",
                                                   m_evtNavigatorW->ClassName(),
                                                   &m_evtNavigatorW, m_branchNrEvtNavigator );
    if ( sc.isFailure() )
    {
      delete m_evtNavigatorW;
      log << MSG::ERROR << "Could not create branch TEvtNavigator in "
          << rootaddr->getTreename() << endmsg;
      return StatusCode::SUCCESS;
      // return sc;
    }
  }
 
  return StatusCode::SUCCESS;
}
#endif