CMSSW Reference Manual

00001 //
00002 // $Id: TriggerHelper.cc,v 1.1.2.1 2009/04/28 18:36:12 vadler Exp $
00003 //
00004 
00005 
00006 #include "PhysicsTools/PatUtils/interface/TriggerHelper.h"
00007 
00008 #include "DataFormats/Common/interface/AssociativeIterator.h"
00009 
00010 
00011 using namespace pat;
00012 using namespace pat::helper;
00013 
00014 
00015 
00017 
00018 TriggerObjectRef TriggerMatchHelper::triggerMatchObject( const reco::CandidateBaseRef & candRef, const TriggerObjectMatch * matchResult, const edm::Event & event, const TriggerEvent & triggerEvent ) const
00019 {
00020   if ( matchResult ) {
00021     edm::AssociativeIterator< reco::CandidateBaseRef, TriggerObjectMatch > it( *matchResult, edm::EdmEventItemGetter< reco::CandidateBaseRef >( event ) ), itEnd( it.end() );
00022     while ( it != itEnd ) {
00023       if ( it->first.isNonnull() && it->second.isNonnull() && it->second.isAvailable() ) {
00024         if ( it->first == candRef ) {
00025           return TriggerObjectRef( it->second );
00026         }
00027       }
00028       ++it;
00029     }
00030   }
00031   return TriggerObjectRef();
00032 }
00033 TriggerObjectRef TriggerMatchHelper::triggerMatchObject( const reco::CandidateBaseRef & candRef, const std::string & labelMatcher, const edm::Event & event, const TriggerEvent & triggerEvent ) const
00034 {
00035   return triggerMatchObject( candRef, triggerEvent.triggerObjectMatchResult( labelMatcher ), event, triggerEvent );
00036 }
00037 
00038 TriggerObjectMatchMap TriggerMatchHelper::triggerMatchObjects( const reco::CandidateBaseRef & candRef, const edm::Event & event, const TriggerEvent & triggerEvent ) const
00039 {
00040   TriggerObjectMatchMap theContainer;
00041   const std::vector< std::string > matchers( triggerEvent.triggerMatchers() );
00042   for ( size_t iMatch = 0; iMatch < matchers.size(); ++iMatch ) {
00043     theContainer[ matchers.at( iMatch ) ] = triggerMatchObject( candRef, matchers.at( iMatch ), event, triggerEvent );
00044   }
00045   return theContainer;
00046 }
00047 
00048 reco::CandidateBaseRefVector TriggerMatchHelper::triggerMatchCandidates( const TriggerObjectRef & objectRef, const TriggerObjectMatch * matchResult, const edm::Event & event, const TriggerEvent & triggerEvent ) const
00049 {
00050   reco::CandidateBaseRefVector theCands;
00051   if ( matchResult ) {
00052     edm::AssociativeIterator< reco::CandidateBaseRef, TriggerObjectMatch > it( *matchResult, edm::EdmEventItemGetter< reco::CandidateBaseRef >( event ) ), itEnd( it.end() );
00053     while ( it != itEnd ) {
00054       if ( it->first.isNonnull() && it->second.isNonnull() && it->second.isAvailable() ) {
00055         if ( it->second == objectRef ) {
00056           theCands.push_back( it->first );
00057         }
00058       }
00059       ++it;
00060     }
00061   }
00062   return theCands;
00063 }
00064 reco::CandidateBaseRefVector TriggerMatchHelper::triggerMatchCandidates( const TriggerObjectRef & objectRef, const std::string & labelMatcher, const edm::Event & event, const TriggerEvent & triggerEvent ) const
00065 {
00066   return triggerMatchCandidates( objectRef, triggerEvent.triggerObjectMatchResult( labelMatcher ), event, triggerEvent );
00067 }