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#ifndef HeavyFlavorAnalysis_RecoDecay_BPHPlusMinusVertex_h
#define HeavyFlavorAnalysis_RecoDecay_BPHPlusMinusVertex_h
/** \class BPHPlusMinusVertex
*
* Description:
* class for reconstructed decay vertices to opposite charge
* particle pairs
*
* \author Paolo Ronchese INFN Padova
*
*/
//----------------------
// Base Class Headers --
//----------------------
#include "HeavyFlavorAnalysis/RecoDecay/interface/BPHDecayVertex.h"
//------------------------------------
// Collaborating Class Declarations --
//------------------------------------
#include "HeavyFlavorAnalysis/RecoDecay/interface/BPHPlusMinusCandidatePtr.h"
#include "TrackingTools/PatternTools/interface/ClosestApproachInRPhi.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
class BPHEventSetupWrapper;
//---------------
// C++ Headers --
//---------------
// ---------------------
// -- Class Interface --
// ---------------------
class BPHPlusMinusVertex : public virtual BPHDecayVertex {
public:
/** Constructor is protected
* this object can exist only as part of a derived class
*/
// deleted copy constructor and assignment operator
BPHPlusMinusVertex(const BPHPlusMinusVertex& x) = delete;
BPHPlusMinusVertex& operator=(const BPHPlusMinusVertex& x) = delete;
/** Destructor
*/
~BPHPlusMinusVertex() override;
/** Operations
*/
/// compute distance of closest approach
virtual const ClosestApproachInRPhi& cAppInRPhi() const;
protected:
BPHPlusMinusVertex(const BPHEventSetupWrapper* es);
// utility functions to check/enforce the number of decay particles at 2
template <class T>
static bool chkName(const T& cont, const std::string& name, const std::string& msg);
template <class T>
static bool chkSize(const T& cont, const std::string& msg);
bool chkSize(const std::string& msg) const;
// utility function used to cash reconstruction results
void setNotUpdated() const override;
private:
// reconstruction results cache
mutable bool oldA;
mutable ClosestApproachInRPhi* inRPhi;
// compute closest approach distance and cache it
virtual void computeApp() const;
};
template <class T>
bool BPHPlusMinusVertex::chkName(const T& cont, const std::string& name, const std::string& msg) {
if (cont.find(name) != cont.end())
return true;
edm::LogPrint("ParticleNotFound") << msg << ", " << name << " not found";
return false;
}
template <class T>
bool BPHPlusMinusVertex::chkSize(const T& cont, const std::string& msg) {
int n = cont.size();
if (n == 2)
return true;
edm::LogPrint("WrongDataSize") << msg << ", size = " << n;
return false;
}
#endif
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