DiagramBase.h

// -*- C++ -*-
//
// DiagramBase.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2019 Leif Lonnblad
//
// ThePEG is licenced under version 3 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_DiagramBase_H
#define ThePEG_DiagramBase_H
// This is the declaration of the DiagramBase class.
 
#include "ThePEG/Config/ThePEG.h"
#include "ThePEG/PDT/ParticleData.h"
#include "ThePEG/MatrixElement/ColourLines.h"
#include "ThePEG/Handlers/StandardXComb.fh"
#include "DiagramBase.fh"
#include "DiagramBase.xh"
 
namespace ThePEG {
 
class DiagramBase: public Base {
 
public:
 
  DiagramBase() : theNIncoming(-1), theId(0) {}
 
  virtual ~DiagramBase();
 
public:
 
  virtual tPVector construct(SubProPtr sb, const StandardXComb &,
                             const ColourLines &) const = 0;
  
  int nIncoming() const { return theNIncoming; }
 
  const cPDVector& partons() const { return thePartons; }
 
  int id() const { return theId; }
 
  string getTag() const;
 
  virtual bool isSame (tcDiagPtr other) const {
    return 
      nIncoming() == other->nIncoming() &&
      partons() == other->partons();
  }
 
protected:
 
  void partons(int ninc, const cPDVector & parts, int newId) {
    theNIncoming = ninc;
    thePartons = parts;
    theId = newId;
  }
 
  void diagramInfo(int ninc, int newId) {
    theNIncoming = ninc;
    theId = newId;
  }
 
  bool done() const { return nIncoming() >= 0; }
 
  void addParton(tcPDPtr pd) { thePartons.push_back(pd); }
 
public:
 
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
private:
 
  int theNIncoming;
 
  cPDVector thePartons;
 
  int theId;
 
private:
 
  static AbstractClassDescription<DiagramBase> initDiagramBase;
 
  DiagramBase & operator=(const DiagramBase &) = delete;
 
};
 
}
 
 
namespace ThePEG {
 
template <>
struct BaseClassTrait<DiagramBase,1>: public ClassTraitsType {
  typedef Base NthBase;
};
 
template <>
struct ClassTraits<DiagramBase>: public ClassTraitsBase<DiagramBase> {
  static string className() { return "ThePEG::DiagramBase"; }
};
 
}
 
#endif /* ThePEG_DiagramBase_H */