Event/BesDChain/include/BesDChain/CDDecay.h

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#ifndef CLEODCHAIN_CDDECAY_H
#define CLEODCHAIN_CDDECAY_H
// -*- C++ -*-
//
// Package:     CleoDChain
// Module:      CDDecay
//
// Description: CDDecay candidate built from other candidates
//
// Usage:
//    <usage>
//
// Author:      Simon Patton
// Created:     Wed Sep 18 14:47:30 EDT 1996
// $Id: CDDecay.h,v 1.2 2009/09/22 08:24:41 hujf Exp $
//
// Revision history
//
// $Log: CDDecay.h,v $
// Revision 1.2  2009/09/22 08:24:41  hujf
// see ChangeLog
//
// Revision 1.1.1.1  2009/03/03 06:05:56  maqm
// first import of BesDChain
//
// Revision 1.8  2006/03/17 19:36:47  ponyisi
// Fix mcParticle() to use gammaFSR when available while doing matching
//
// Revision 1.7  2006/01/11 20:37:28  cdj
// work with renaming done in DChain package
//
// Revision 1.6  2004/10/19 13:39:38  cdj
// removed unimplemented CDDecay::parent() method
//
// Revision 1.5  2004/06/02 23:24:55  ryd
// Made constructor of CDDecay from CDCandidate explicit
//
// Revision 1.4  2004/03/05 22:01:49  chengp
// implemented Monte Carlo matching
//
// Revision 1.3  2003/05/15 19:58:15  cdj
// revamped memory handling so always use a ReferenceHolder to deal with the reference counting
//
// Revision 1.2  2002/04/09 20:54:19  lyon
// Added CDDecay::setKinematicData
//
// Revision 1.1  2001/04/11 13:19:14  urner
// transition to files with CD prefix. Addition of new files
//
// Revision 1.3  2001/04/04 15:16:50  cdj
// added a protected default constructor (used for storage)
//
// Revision 1.2  2001/04/03 17:25:57  cdj
// changed isCDDecay to builtFromCDDecay
//
// Revision 1.1.1.1  2000/12/18 22:17:26  cdj
// imported CleoDChain
//
// Revision 1.11  1998/04/17 18:49:12  sjp
// Modifed to use latest CLEO types
//
// Revision 1.10  1997/09/03 14:58:43  sjp
// Use new report.h and KTKinematicData
//
// Revision 1.9  1997/08/29 17:01:19  sjp
// Modified to handle new CDDecay Templated classes
//
// Revision 1.8  1997/08/26 04:02:08  sjp
// Added typedef for CandidateClass
//
// Revision 1.7  1997/08/19 23:01:40  sjp
// Restructured package to be independent of CleoDChain
//
// Revision 1.6  1997/08/19 20:41:37  sjp
// Updated to use <package>/<file>.h include structure.
//   (Note: This version of the code has not been compiled)
//
// Revision 1.5  1997/01/31 20:10:20  sjp
// Modified to use the new `bug' include files
//
// Revision 1.4  1997/01/21 20:30:25  sjp
// Changed CPP flags and include because of library reorganization
//
// Revision 1.3  1997/01/19 20:32:06  sjp
// Changed LargeCount to Count
//
// Revision 1.2  1996/12/20 20:59:50  sjp
// Extended pathname for Includes.
//
// Revision 1.1  1996/11/04 17:01:57  sjp
// New class for CDDecay CDCandidate
//
 
// system include files
#include <stdint.h>
#include <vector>
 
// user include files
#include "BesDChain/CDCandidate.h"         // superclass
#include "DecayChain/Element/DCChildren.h" // For enumerator
#include "DecayChain/Element/ReferenceHolder.h"
 
// forward declarations
template <class Arg> class DCAnalysisFunction;
 
namespace DecayChain {
  class KinematicData;
}
 
class CDDecay : public CDCandidate {
  // friend classses and functions
 
public:
  // constants, enums and typedefs
  typedef CDCandidate CandidateClass;
 
  // Constructors and destructor
  CDDecay( const CDDecay& aOtherCDDecay );
  explicit CDDecay( const CDCandidate& aProduct );
  CDDecay( const CDDecay& aProducts, const CDCandidate& aAdditionalProduct );
  virtual ~CDDecay();
 
  // member functions
  void addChild( const CDCandidate& aAdditionalProduct );
 
  // Replace the KinematicData for this decay. Useful for
  // saving results of a fit.
  void setKinematicData( const DecayChain::KinematicData& aKinematicData );
 
  // const member functions
  virtual bool           builtFromCDDecay( void ) const;
  virtual const CDDecay& decay( void ) const;
  uint32_t               numberChildren() const;
  void                   iterateChildren( void ( *analyze )( const CDCandidate& ) ) const;
  void                   iterateChildren( DCAnalysisFunction<CDCandidate>& analyze ) const;
  const CDCandidate&     child( unsigned int aPosition ) const;
  const std::vector<dchain::ReferenceHolder<CDCandidate>>& children() const;
  // static member functions
  // add for kinematic fit
#ifdef EXTEND
  double chisq() const { return m_kmfit_chisq; }
  void   chisq( double c ) { m_kmfit_chisq = c; }
  double vchisq() const { return m_vxfit_chisq; }
  void   vchisq( double c ) { m_vxfit_chisq = c; }
 
protected:
  double m_kmfit_chisq;
  double m_vxfit_chisq;
#endif
protected:
  // Constructors and destructor
  CDDecay(); // used for storage
 
  // protected member functions
  virtual DecayChain::KinematicData* defaultKinematicData() const;
 
private:
  // Constructors and destructor
 
  // assignment operator(s)
  const CDDecay& operator=( const CDDecay& aOtherCDDecay ); // stop default
 
  // private member functions
 
  // data members
  std::vector<dchain::ReferenceHolder<CDCandidate>>& m_children;
 
  // static data members
};
 
typedef const CDDecay& FixedCDDecay;
typedef CDDecay&       PossibleCDDecay;
 
// inline function definitions
 
#endif /* CLEODCHAIN_CDDECAY_H */