packages/CaloEmbedding/HepMCCollisionVertex.h

0001 // Tell emacs that this is a C++ source
0002 //  -*- C++ -*-.
0003 #ifndef CALOEMBEDDING_HEPMCCOLLISIONVERTEX_H
0004 #define CALOEMBEDDING_HEPMCCOLLISIONVERTEX_H
0005
0006 #include <fun4all/SubsysReco.h>
0007
0008 #include <string>
0009
0010 class PHCompositeNode;
0011
0012 class HepMCCollisionVertex : public SubsysReco
0013 {
0014  public:
0015   HepMCCollisionVertex(const std::string &name = "HepMCCollisionVertex");
0016
0017   ~HepMCCollisionVertex() override = default;
0018
0019   /** Called for first event when run number is known.
0020       Typically this is where you may want to fetch data from
0021       database, because you know the run number. A place
0022       to book histograms which have to know the run number.
0023    */
0024   int InitRun(PHCompositeNode *topNode) override;
0025
0026   /** Called for each event.
0027       This is where you do the real work.
0028    */
0029   int process_event(PHCompositeNode *topNode) override;
0030
0031  private:
0032 };
0033
0034 #endif  // CALOEMBEDDING_HEPMCCOLLISIONVERTEX_H