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00001 #ifndef _VariableEventSelector_H 00002 #define _VariableEventSelector_H 00003 00004 #include "PhysicsTools/UtilAlgos/interface/EventSelector.h" 00005 #include "PhysicsTools/UtilAlgos/interface/VariableHelper.h" 00006 00007 class VariableEventSelector : public EventSelector { 00008 public: 00009 VariableEventSelector(const edm::ParameterSet& pset) : 00010 EventSelector(pset) 00011 { 00012 var_=pset.getParameter<std::string>("var"); 00013 doMin_=pset.exists("min"); 00014 if (doMin_) min_=pset.getParameter<double>("min"); 00015 doMax_=pset.exists("max"); 00016 if (doMax_) max_=pset.getParameter<double>("max"); 00017 00018 std::stringstream ss; 00019 ss<<"event selector based on VariableHelper variable: "<<var_; 00020 description_.push_back(ss.str()); ss.str(""); 00021 if (doMin_){ 00022 ss<<"with minimum boundary: "<<min_; 00023 description_.push_back(ss.str()); ss.str("");} 00024 if (doMax_){ 00025 ss<<"with maximum boundary: "<<max_; 00026 description_.push_back(ss.str()); ss.str("");} 00027 } 00028 bool select(const edm::Event& e) const{ 00029 const CachingVariable * var=edm::Service<VariableHelperService>()->get().variable(var_); 00030 if (!var->compute(e)) return false; 00031 00032 double v=(*var)(e); 00033 00034 if (doMin_ && v<min_) return false; 00035 else if (doMax_ && v>max_) return false; 00036 else return true; 00037 } 00038 00039 private: 00040 std::string var_; 00041 bool doMin_; 00042 double min_; 00043 bool doMax_; 00044 double max_; 00045 }; 00046 00047 #endif
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