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// -*- C++ -*-
//
// SubProcessGroup.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2007 Leif Lonnblad
// Copyright (C) 2009-2010 Simon Platzer
//
// 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_SubProcessGroup_H
#define ThePEG_SubProcessGroup_H
// This is the declaration of the SubProcessGroup class.
#include "ThePEG/EventRecord/SubProcess.h"
namespace ThePEG {
/**
* A SubProcessGroup object represents a group of SubProcess
* objects in dependence of a head SubProcess object.
*
* @see StdXCombGroup
* @see MEGroup
*/
class SubProcessGroup: public SubProcess {
public:
/**
* Standard constructor.
* @param newIncoming the two incoming partons.
* @param newCollision the Collision to which this SubProcessGroup belongs.
* @param newHandler the MEBase object which generated this SubProcessGroup.
*/
SubProcessGroup(const PPair & newIncoming,
tCollPtr newCollision = tCollPtr(),
tcEventBasePtr newHandler = tcEventBasePtr());
/**
* Destructor.
*/
virtual ~SubProcessGroup();
/**
* Return a clone of this sub process group.
*/
virtual SubProPtr clone() const;
protected:
/**
* Rebind to cloned objects. When a SubProcessGroup is cloned, a shallow
* copy is done first, then all <code>Particle</code>s etc, are
* cloned, and finally this method is used to see to that the
* pointers in the cloned SubProcessGroup points to the cloned
* <code>Particle</code>s etc.
*/
virtual void rebind(const EventTranslationMap & trans);
public:
/**
* Perform a LorentzTransformation of all particles in the sub
* process.
*/
virtual void transform(const LorentzRotation &);
/**
* Return the dependent SubProcess objects
*/
const SubProcessVector& dependent() const { return theDependent; }
/**
* Access the dependent SubProcess objects
*/
SubProcessVector& dependent() { return theDependent; }
/**
* Add a dependent SubProcess
*/
void add(tSubProPtr sub) { dependent().push_back(sub); }
public:
/**
* Standard function for writing to a persistent stream.
*/
void persistentOutput(PersistentOStream &) const;
/**
* Standard function for reading from a persistent stream.
*/
void persistentInput(PersistentIStream &, int);
/**
* Standard Init function. @see Base::Init().
*/
static void Init();
private:
/**
* The dependent subprocesses
*/
SubProcessVector theDependent;
public:
/**
* Put to ostream
*/
virtual void printMe(ostream&) const;
private:
/**
* Describe concrete class with persistent data.
*/
static ClassDescription<SubProcessGroup> initSubProcessGroup;
/**
* Private default constructor must only be used by the
* PersistentIStream class via the ClassTraits<SubProcessGroup> class .
*/
SubProcessGroup() : SubProcess() {}
/**
* The ClassTraits<SubProcessGroup> class must be a friend to be able to
* use the private default constructor.
*/
friend struct ClassTraits<SubProcessGroup>;
/**
* Assignment is forbidden.
*/
SubProcessGroup & operator=(const SubProcessGroup &);
};
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base class of Collision. */
template <>
struct BaseClassTrait<SubProcessGroup,1>: public ClassTraitsType {
/** Typedef of the first base class of SubProcessGroup. */
typedef EventRecordBase NthBase;
};
/** This template specialization informs ThePEG about the name of
* the SubProcessGroup class and how to create it. */
template <>
struct ClassTraits<SubProcessGroup>: public ClassTraitsBase<SubProcessGroup> {
/** Return a platform-independent class name */
static string className() { return "ThePEG::SubProcessGroup"; }
/** Create a SubProcessGroup object. */
static TPtr create() { return TPtr::Create(SubProcessGroup()); }
};
/** @endcond */
}
#endif /* ThePEG_SubProcessGroup_H */
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