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#ifndef PhysicsTools_PatAlgos_interface_MultiIsolator_h
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#define PhysicsTools_PatAlgos_interface_MultiIsolator_h
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#include "DataFormats/Common/interface/View.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "PhysicsTools/PatAlgos/interface/BaseIsolator.h"
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#include "boost/ptr_container/ptr_vector.hpp"
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#include "DataFormats/PatCandidates/interface/Isolation.h"
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namespace pat { namespace helper {
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class MultiIsolator {
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public:
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typedef std::vector<std::pair<pat::IsolationKeys,float> > IsolationValuePairs;
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MultiIsolator() {}
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MultiIsolator(const edm::ParameterSet &conf, bool cuts=true) ;
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~MultiIsolator() {}
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// adds an isolator (and takes onwership of the pointer)
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void addIsolator(BaseIsolator *iso, uint32_t mask, pat::IsolationKeys key) ;
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// parses an isolator and adds it to the list
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void addIsolator(const edm::ParameterSet &conf, bool withCut, uint32_t mask, pat::IsolationKeys key) ;
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// Parses out an isolator, and returns a pointer to it.
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// For an empty PSet, it returns a null pointer.
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// You own the returned pointer!
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static BaseIsolator * make(const edm::ParameterSet &conf, bool withCut) ;
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void beginEvent(const edm::Event &event, const edm::EventSetup &eventSetup);
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void endEvent() ;
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template<typename T>
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uint32_t test(const edm::View<T> &coll, int idx) const;
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template<typename T>
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void fill(const edm::View<T> &coll, int idx, IsolationValuePairs& isolations) const ;
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/// Fill Isolation from a Ref, Ptr or RefToBase to the object
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template<typename RefType>
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void fill(const RefType &ref, IsolationValuePairs& isolations) const ;
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void print(std::ostream &out) const ;
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std::string printSummary() const ;
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/// True if it has a non null configuration
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bool enabled() const { return !isolators_.empty(); }
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private:
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boost::ptr_vector<BaseIsolator> isolators_;
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std::vector<uint32_t> masks_;
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std::vector<pat::IsolationKeys> keys_;
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};
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template<typename T>
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uint32_t
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MultiIsolator::test(const edm::View<T> &coll, int idx) const {
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uint32_t retval = 0;
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edm::RefToBase<T> rb = coll.refAt(idx); // edm::Ptr<T> in a shiny new future to come one remote day ;-)
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for (size_t i = 0, n = isolators_.size(); i < n; ++i) {
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if (!isolators_[i].test(rb)) retval |= masks_[i];
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}
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return retval;
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}
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template<typename RefType>
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void
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MultiIsolator::fill(const RefType &rb, IsolationValuePairs & isolations) const
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{
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isolations.resize(isolators_.size());
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for (size_t i = 0, n = isolators_.size(); i < n; ++i) {
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isolations[i].first = keys_[i];
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isolations[i].second = isolators_[i].getValue(rb);
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}
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}
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template<typename T>
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void
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MultiIsolator::fill(const edm::View<T> &coll, int idx, IsolationValuePairs & isolations) const
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{
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edm::RefToBase<T> rb = coll.refAt(idx);
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fill(rb, isolations);
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}
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}} // namespace
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#endif
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