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//
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// $Id: PATTrigProducer.cc,v 1.2 2008/06/08 12:24:03 vadler Exp $
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//
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#include "PhysicsTools/PatAlgos/plugins/PATTrigProducer.h"
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#include "DataFormats/HLTReco/interface/TriggerEvent.h"
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#include "DataFormats/PatCandidates/interface/TriggerPrimitive.h"
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using namespace pat;
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using namespace trigger;
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using namespace edm;
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using namespace std;
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PATTrigProducer::PATTrigProducer( const ParameterSet & iConfig ) :
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// initialize
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triggerEvent_ (iConfig.getParameter<InputTag>( "triggerEvent" ) ),
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filterName_ (iConfig.getParameter<InputTag>( "filterName" ) )
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{
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produces<TriggerPrimitiveCollection>();
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}
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PATTrigProducer::~PATTrigProducer()
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{
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}
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void PATTrigProducer::produce( Event& iEvent, const EventSetup& iSetup )
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{
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auto_ptr<TriggerPrimitiveCollection> patTrigCandidates( new TriggerPrimitiveCollection );
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Handle<TriggerEvent> triggerEvent;
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try { // In this case, we want to act differently compared to the usual behaviour on "ProductNotFound" exception thrown by Event::getByLabel.
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iEvent.getByLabel( triggerEvent_, triggerEvent );
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size_type nFilters = triggerEvent->sizeFilters();
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if ( nFilters == 0 ) {
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LogDebug( "noTriggerFilters" ) << "PATTrigProducer: The TriggerEvent of this event contains no filter information at all!";
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} else {
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size_type iFilter = triggerEvent->filterIndex( filterName_ );
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if ( iFilter == nFilters ) {
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LogDebug( "noTriggerFilter" ) << "PATTrigProducer: The TriggerEvent of this event contains no filter information on filter " << filterName_.label() << "!";
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} else {
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const Vids & triggerIds = triggerEvent->filterIds( iFilter );
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const Keys & triggerKeys = triggerEvent->filterKeys( iFilter );
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const TriggerObjectCollection & triggerObjects = triggerEvent->getObjects();
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assert( triggerIds.size() == triggerKeys.size() );
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for ( size_type idx = 0; idx < triggerKeys.size(); ++idx ) {
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const TriggerObject triggerObject = triggerObjects.at( triggerKeys.at( idx ) );
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auto_ptr<TriggerPrimitive> ptr( new TriggerPrimitive( triggerObject.particle().p4(), filterName_.label(), triggerIds.at( idx ), triggerObject.id() ) );
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patTrigCandidates->push_back( ptr );
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}
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}
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}
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} catch( Exception exc ) {
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if ( exc.categoryCode() == errors::ProductNotFound ) {
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LogWarning( "noTriggerEvent" ) << "PATTrigProducer: No TriggerEvent " << triggerEvent_.label() << " found!";
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} else {
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throw exc;
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}
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}
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iEvent.put( patTrigCandidates );
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}
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#include "FWCore/Framework/interface/MakerMacros.h"
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DEFINE_FWK_MODULE(PATTrigProducer);
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