BestDTagSvc Class Reference

#include <BestDTagSvc.h>

Inheritance diagram for BestDTagSvc:

Public Member Functions
	BestDTagSvc (const std::string &name, ISvcLocator *svcLoc)
virtual	~BestDTagSvc ()
virtual StatusCode	initialize ()
virtual StatusCode	finalize ()
EvtRecDTag *	getSingleTag (int modeid, int charm=0)
EvtRecDTag **	getDoubleTag (int modeid1, int modeid2, int charm=0)
bool	isCosmicOrLepton ()

Friends
class	CnvFactory< BestDTagSvc >

Detailed Description

Definition at line 13 of file BestDTagSvc.h.

Constructor & Destructor Documentation

BestDTagSvc()

BestDTagSvc::BestDTagSvc	(	const std::string &	name,
		ISvcLocator *	svcLoc )

Definition at line 11 of file BestDTagSvc.cxx.

   : base_class (name, svcLoc)
{
   //declareProperty("", m_);
   declareProperty("pidTight", m_isPidTight = true);
}

~BestDTagSvc()

BestDTagSvc::~BestDTagSvc ( )

virtual

Definition at line 18 of file BestDTagSvc.cxx.

{
}

Member Function Documentation

finalize()

StatusCode BestDTagSvc::finalize ( )

virtual

Definition at line 35 of file BestDTagSvc.cxx.

{
   MsgStream log(messageService(), name());
   log << MSG::INFO << "@initialize()" << endreq;
 
   StatusCode sc = Service::finalize();
 
   return sc;
}

getDoubleTag()

EvtRecDTag ** BestDTagSvc::getDoubleTag	(	int	modeid1,
		int	modeid2,
		int	charm = 0 )

Definition at line 90 of file BestDTagSvc.cxx.

{
  static EvtRecDTag** tagpp = new EvtRecDTag*[2];
 
  //not implemented yet, just a placeholder for the future
 
 
  if ( false ) {
    return tagpp;
  }
 
  return NULL;
}

getSingleTag()

EvtRecDTag * BestDTagSvc::getSingleTag	(	int	modeid,
		int	charm = 0 )

Definition at line 57 of file BestDTagSvc.cxx.

{
   MsgStream log(messageService(), name());
 
   SmartDataPtr<EvtRecDTagCol> dtags(eventSvc_, EventModel::EvtRec::EvtRecDTagCol);
   if ( !dtags ) {
      log << MSG::ERROR << "Can't retrieve the EvtRecDTagCol!" << endreq;
      return NULL;
   }
 
   EvtRecDTag* pbest = NULL;
 
   double bestDE = 999.;
 
   for (EvtRecDTagCol::iterator it = dtags->begin(); it != dtags->end(); ++it) {
     if (m_isPidTight ) {
     if ( (*it)->type() != EvtRecDTag::Tight) continue;
     }
     if ( modeid >= 0 && (*it)->decayMode() != modeid ) {
       continue;
     }
     if ( charm != 0 && (*it)->charm() != charm ) {
       continue;
     }
     if ( fabs((*it)->deltaE()) < bestDE ) {
       bestDE = fabs((*it)->deltaE());
       pbest  = (*it);
     }
   }
 
   return pbest;
}

initialize()

StatusCode BestDTagSvc::initialize ( )

virtual

Definition at line 22 of file BestDTagSvc.cxx.

{
   MsgStream log(messageService(), name());
   log << MSG::INFO << "@initialize()" << endreq;
 
   StatusCode sc = Service::initialize();
 
   sc = serviceLocator()->service("EventDataSvc", eventSvc_, true);
   sc = serviceLocator()->service("VertexDbSvc", vtxSvc_, true);
 
   return sc;
}

isCosmicOrLepton()

bool BestDTagSvc::isCosmicOrLepton

(

)

Definition at line 104 of file BestDTagSvc.cxx.

{
  SmartDataPtr<EvtRecEvent> evt(eventSvc_, "/Event/EvtRec/EvtRecEvent");
  SmartDataPtr<EvtRecTrackCol> trks(eventSvc_, EventModel::EvtRec::EvtRecTrackCol);
  if ( !evt || !trks ) {
    return false;
  }
 
  std::vector<EvtRecTrack*> gtrks;
  for (int i = 0; i < evt->totalCharged(); ++i) {
    EvtRecTrack* trk = *(trks->begin() + i);
    if ( isGoodTrack(trk) ) {
      gtrks.push_back(trk);
    }
  }
  if ( gtrks.size() != 2 ) return false;
 
  double time[2] = { -100., -100.};
  for ( int i = 0; i < 2; ++i ) {
    if ( gtrks[i]->isTofTrackValid() ){
      SmartRefVector<RecTofTrack> tofTrks = gtrks[i]->tofTrack();
      for ( SmartRefVector<RecTofTrack>::iterator it = tofTrks.begin(); it != tofTrks.end(); ++it ) {
        if ( ( (*it)->status() & 0x8 ) == 0x8 ) {
          time[i] = (*it)->tof();
          break;
        }
      }
    }
  }
  if ( time[0] > -99. && time[1] > -99. && fabs(time[0]-time[1]) > 5 ) return true;
 
  if ( isElectron(gtrks[0]) && isElectron(gtrks[1]) ) return true;
  if ( isMuon(gtrks[0]) && isMuon(gtrks[1]) ) return true;
 
  return false;
}

Friends And Related Symbol Documentation

CnvFactory< BestDTagSvc >

friend class CnvFactory< BestDTagSvc >

friend

Definition at line 1 of file BestDTagSvc.h.

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

• BestDTagSvc.h
• BestDTagSvc.cxx