DecayHandler.h

// -*- C++ -*-
//
// DecayHandler.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_DecayHandler_H
#define ThePEG_DecayHandler_H
// This is the declaration of the DecayHandler class.

#include "StepHandler.h"

namespace ThePEG {

class DecayHandler: public StepHandler {

public:

  DecayHandler() : theMaxLoop(100000), theMaxLifeTime(-1.0*mm), theLifeTimeOption(false) {}

  virtual ~DecayHandler();

public:

  virtual void handle(EventHandler & eh, const tPVector & tagged,
                      const Hint & hint);

  void performDecay(tPPtr parent, Step & s) const;

public:

  void persistentOutput(PersistentOStream & os) const;

  void persistentInput(PersistentIStream & is, int version);

  static void Init();

  long maxLoop() const { return theMaxLoop; }

  Length maxLifeTime() const { return theMaxLifeTime; }

  bool lifeTimeOption() const { return theLifeTimeOption; }

protected:

  virtual IBPtr clone() const;

  virtual IBPtr fullclone() const;

private:

  long theMaxLoop;

  Length theMaxLifeTime;

  bool theLifeTimeOption;

private:

  static ClassDescription<DecayHandler> initDecayHandler;

  DecayHandler & operator=(const DecayHandler &);

};

template <>
struct BaseClassTrait<DecayHandler,1>: public ClassTraitsType {
  typedef StepHandler NthBase;
};

template <>
struct ClassTraits<DecayHandler>: public ClassTraitsBase<DecayHandler> {
  static string className() { return "ThePEG::DecayHandler"; }
};

}

#endif /* ThePEG_DecayHandler_H */

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