ColourBase.h

// -*- C++ -*-
//
// ColourBase.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2007 Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_ColourBase_H
#define ThePEG_ColourBase_H
// This is the declaration of the ColourBase class.

#include "ThePEG/EventRecord/EventInfoBase.h"
#include "ThePEG/EventRecord/ColourLine.h"

namespace ThePEG {

class ColourBase: public EventInfoBase {

public:

  friend class ColourLine;
  
public:

  virtual ~ColourBase();

public:

  tColinePtr antiColourLine() const { return theAntiColourLine; }

  tColinePtr colourLine() const { return theColourLine; }

  virtual vector<tcColinePtr> antiColourLines() const;

  virtual vector<tcColinePtr> colourLines() const;

  virtual bool hasColourLine(tcColinePtr line, bool anti = false) const;

  bool hasAntiColourLine(tcColinePtr line) const {
    return hasColourLine(line, true);
  }

protected:

  virtual void antiColourLine(tColinePtr line) {
    theAntiColourLine = line;
  }

  virtual void colourLine(tColinePtr l, bool anti = false) {
    if ( anti ) antiColourLine(l);
    else theColourLine = l;
  }

  virtual void removeAntiColourLine(tcColinePtr line) {
    if ( antiColourLine() == line ) theAntiColourLine = tColinePtr();
  }

  virtual void removeColourLine(tcColinePtr line, bool anti = false) {
    if ( anti ) removeAntiColourLine(line);
    else if ( colourLine() == line ) theColourLine = tColinePtr();
  }

public:

  virtual void rebind(const EventTranslationMap & trans);

  void persistentOutput(PersistentOStream &) const;

  void persistentInput(PersistentIStream &, int);

  static void Init();

  virtual EIPtr clone() const;

private:

  ColinePtr theAntiColourLine;

  ColinePtr theColourLine;

private:

  static ClassDescription<ColourBase> initColourBase;

  ColourBase & operator=(const ColourBase &);

};


ThePEG_DECLARE_CLASS_TRAITS(ColourBase,EventInfoBase);
}

#endif /* ThePEG_ColourBase_H */

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