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#ifndef ForwardAnalysis_Utilities_OneToManySelector_h
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#define ForwardAnalysis_Utilities_OneToManySelector_h
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "FWCore/Utilities/interface/InputTag.h"
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#include "CommonTools/UtilAlgos/interface/AnyPairSelector.h"
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namespace forwardAnalysis {
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template <class Object, class Coll, class PairSelector=AnyPairSelector>
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class OneToManySelector {
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public:
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OneToManySelector(edm::ParameterSet const& pset):
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src_(pset.template getParameter<edm::InputTag>("src")),
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selector_(reco::modules::make<PairSelector>(pset)) {}
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~OneToManySelector() {}
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bool operator() (edm::Event const& event, Object const& obj){
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edm::Handle<Coll> source;
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event.getByLabel(src_,source);
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typename Coll::const_iterator cand = source->begin(), source_end = source->end();
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bool result = true;
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for(; cand != source_end; ++cand){
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if( !selector_(obj,*cand) ) { result = false; break; }
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}
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return result;
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}
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private:
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edm::InputTag src_;
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PairSelector selector_;
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};
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} // namespace
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#endif
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