CandCluster3D.cxx

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//
// CandCluster3D (based on R. Lee's CandClusterSR)
//
// Concrete CandCluster3D class
//
// Author:  K.Grzelak1@physics.ox.ac.uk

#include "Cluster3D/CandCluster3D.h"
#include "Cluster3D/CandCluster3DHandle.h"
#include "MessageService/MsgService.h"
#include "Algorithm/AlgHandle.h"
#include "Candidate/CandHandle.h"
#include "Candidate/CandContext.h"

ClassImp(CandCluster3D)

CVSID("$Id: CandCluster3D.cxx,v 1.4 2007/03/01 17:24:59 rhatcher Exp $");

//______________________________________________________________________
CandCluster3D::CandCluster3D() :
  fTrackLike(0),
  fShowerLike(0)
{
  MSG("Cluster3D", Msg::kDebug)
    << "Standard constructor " << endl;
}

//______________________________________________________________________
CandCluster3D::CandCluster3D(AlgHandle &ah) :
  CandReco(ah),   // Should be the next class up on inheritance chain
  fTrackLike(0),
  fShowerLike(0)
{

// The sole purpose of this constructor is to transmit the AlgHandle
// up the inheritance chain to CandBase without having to invoke the
// full constructor of an intermediate Candidate type which the highest
// level Candidate might inherit from.  One only wants to create the
// LocalHandle and invoke the RunAlg() method in the lowest level class.
}

//______________________________________________________________________
CandCluster3D::CandCluster3D(AlgHandle &ah, CandHandle &ch,
                                                      CandContext &cx) :
  CandReco(ah),   // Should be the next class up on inheritance chain
  fTrackLike(0),
  fShowerLike(0)
{
  CreateLocalHandle();

// Run Algorithm to construct Candidate
  {                                                    // Start of scope
    CandCluster3DHandle csh(this);           // csh will go out of scope
    ch = csh;                                       // after setting ch.
  }                                                      // End of scope

  ah.RunAlg(ch, cx);
}

//______________________________________________________________________
CandCluster3D::CandCluster3D(const CandCluster3D &rhs) :
  CandReco(rhs),  // Should be the next class up on inheritance chain
  fTrackLike(0),
  fShowerLike(0)
{

//CreateLocalHandle(); // Moved to Dup function following copy-ctor call

}

//______________________________________________________________________
CandCluster3D::~CandCluster3D()
{
  MSG("Cluster3D", Msg::kDebug)
    << "Destructor " << endl;
}

//______________________________________________________________________
void CandCluster3D::CreateLocalHandle()
{
  SetLocalHandle(new CandCluster3DHandle(this));
}

//______________________________________________________________________
CandCluster3D *CandCluster3D::Dup() const
{

// Base copy ctor dups owned pointers, but defers copying Daughter List.
// Daughter List copy is made in the derived class Dup() function.
// This is because base class copy constructor hasn't yet created
// fLocalHandle with a CandHandle* of the full derived type.
  CandCluster3D *cb = new CandCluster3D(*this);   // Copy-ctor dups ptrs
  cb->CreateLocalHandle();   // Initializes fLocalHandle after copy-ctor
  TIter iterdau = GetDaughterIterator();
  CandHandle *dau;
  while ((dau=(CandHandle *) iterdau())) cb->AddDaughterLink(*dau);
  return cb;
}

//______________________________________________________________________
Bool_t CandCluster3D::IsEquivalent(const TObject *rhs) const
{
  Bool_t result = true;
  //if (!CandCluster::IsEquivalent(rhs)) result = false;// superclass test
  if (!CandReco::IsEquivalent(rhs)) result = false;// superclass test
  TestDisplayCandBanner("CandCluster3D");
  const CandCluster3D* rCnd = dynamic_cast<const CandCluster3D*>(rhs);
  if (rCnd == NULL) return false;

  result = TestEquality("fTrackLike", this->fTrackLike, 
                                      rCnd->fTrackLike)   && result;

  result = TestEquality("fShowerLike", this->fShowerLike,
                                       rCnd->fShowerLike) && result;
  return result;
}

//______________________________________________________________________
CandCluster3DHandle CandCluster3D::MakeCandidate(AlgHandle &ah,
                                                        CandContext &cx)
{
  // Create a handle
  CandCluster3DHandle csh;

  // Create a Candidate passing in handle, algorithm and context
  new CandCluster3D(ah, csh, cx);      // csh owns the new CandCluster3D

  return csh;
}

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