InputSort Class Reference

#include <InputSort.h>

Public Member Functions
	InputSort ()
std::pair< std::vector< RefCountedKinematicParticle >, std::vector< FreeTrajectoryState > >	sort (const std::vector< RefCountedKinematicParticle > &particles) const
std::vector< RefCountedKinematicParticle >	sort (const std::vector< RefCountedKinematicTree > &trees) const
	~InputSort ()

Detailed Description

Helper class checking the input of Kinematic Vertex Fitters If some of particles provided have trees after them, makes sure that only top tree particles are used in the fit.

Definition at line 14 of file InputSort.h.

Constructor & Destructor Documentation

InputSort::InputSort ( )

inline

Definition at line 18 of file InputSort.h.

{}

InputSort::~InputSort ( )

inline

Definition at line 19 of file InputSort.h.

References HadronAndPartonSelector_cfi::particles, and sort().

{}

Member Function Documentation

std::pair< std::vector< RefCountedKinematicParticle >, std::vector< FreeTrajectoryState > > InputSort::sort

(

const std::vector< RefCountedKinematicParticle > &

particles

)

const

Definition at line 6 of file InputSort.cc.

References mps_fire::i.

Referenced by LagrangeParentParticleFitter::fit(), KinematicParticleVertexFitter::fit(), KinematicConstrainedVertexFitter::fit(), KinematicConstrainedVertexFitterT< nTrk, nConstraint >::fit(), and ~InputSort().

{
 if(particles.empty()) throw VertexException("Sorting particles for vertex fitter::number of particles = 0");
 std::vector<RefCountedKinematicParticle> sortedParticles;
 std::vector<FreeTrajectoryState> sortedStates;

//checking that only top particles of the tree are passed by user
//correcting them for the top ones otherwise 
 for(std::vector<RefCountedKinematicParticle>::const_iterator i = particles.begin(); i != particles.end(); i++)
 {
  if((*i)->correspondingTree() != nullptr)
  {
   sortedParticles.push_back((*i)->correspondingTree()->topParticle());
   sortedStates.push_back((*i)->correspondingTree()->topParticle()->currentState().freeTrajectoryState());
  }else{
   sortedParticles.push_back(*i);
   sortedStates.push_back((*i)->currentState().freeTrajectoryState());
  }
 }
 return std::pair<std::vector<RefCountedKinematicParticle>, std::vector<FreeTrajectoryState> >(sortedParticles, sortedStates);
}

std::vector< RefCountedKinematicParticle > InputSort::sort

(

const std::vector< RefCountedKinematicTree > &

trees

)

const

Definition at line 28 of file InputSort.cc.

References mps_fire::i.

{
 if(trees.empty()) throw VertexException("Input Sort::Zero vector of trees passed"); 
 std::vector<RefCountedKinematicParticle> res;
 for(std::vector<RefCountedKinematicTree>::const_iterator i = trees.begin(); i!=trees.end(); i++)
 {
  (*i)->movePointerToTheTop();
  res.push_back((*i)->currentParticle());
 }
 return res;
}