CandEventList.cxx

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// $Id: CandEventList.cxx,v 1.3 2003/10/12 21:17:03 gmieg Exp $
//
// CandEventList.cxx
//
// This is an abstract Event Candidate (Reconstruction) object.
// CandEventList is descended from CandBase.
//
// Each concrete CandBase must define a Dup function.
// CandBase must grant friendship to class CandRefer.
//
// Author:  R. Lee

#include "Algorithm/AlgHandle.h"
#include "MessageService/MsgService.h"
#include "RecoBase/CandEventList.h"
#include "RecoBase/CandEventListHandle.h"

ClassImp(CandEventList)

//______________________________________________________________________
CVSID("$Id: CandEventList.cxx,v 1.3 2003/10/12 21:17:03 gmieg Exp $");

//______________________________________________________________________
CandEventList::CandEventList()
{
  MSG("Cand", Msg::kDebug)
                << "Begin CandEventList::CandEventList() ctor: " << endl
                                           << "UidInt = " << GetUidInt()
                           << ", ArchUidInt " << GetArchUidInt() << endl
                             << "No. of links = " << GetNLinks() << endl
                  << "End CandEventList::CandEventList() ctor." << endl;
}

//______________________________________________________________________
CandEventList::CandEventList(AlgHandle &ah) :
  CandBase(ah)       // Should be the next class up on inheritance chain
{

// 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.
}

//______________________________________________________________________
CandEventList::CandEventList(AlgHandle &ah, CandHandle &ch,
                                                      CandContext &cx) :
  CandBase(ah)       // Should be the next class up on inheritance chain
{
  CreateLocalHandle();
  MSG("Cand", Msg::kDebug)
     << "Begin CandEventList::CandEventList(AlgHandle &, CandHandle &, "
                                      << "CandContext &) ctor: " << endl
                                           << "UidInt = " << GetUidInt()
                           << ", ArchUidInt " << GetArchUidInt() << endl
                             << "No. of links = " << GetNLinks() << endl
       << "End CandEventList::CandEventList(AlgHandle &, CandHandle &, "
                                      << "CandContext &) ctor." << endl;

// Run Algorithm to construct Candidate
  {                                                   // Start of scope.
    CandEventListHandle cdh(this);           // cdh will go out of scope
    ch = cdh;                                       // after setting ch.
  }                                                     // End of scope.
  ah.RunAlg(ch, cx);
}

//______________________________________________________________________
CandEventList::CandEventList(const CandEventList &rhs) :
  CandBase(rhs)      // Should be the next class up on inheritance chain
{

//CreateLocalHandle(); // Moved to Dup function following copy-ctor call
  MSG("Cand", Msg::kDebug)
 << "Begin CandEventList::CandEventList(const CandEventList &rhs) ctor:"
                                                                 << endl
                                           << "UidInt = " << GetUidInt()
                           << ", ArchUidInt " << GetArchUidInt() << endl
                             << "No. of links = " << GetNLinks() << endl
   << "End CandEventList::CandEventList(const CandEventList &rhs) ctor."
                                                                << endl;
}

//______________________________________________________________________
CandEventList::~CandEventList()
{
  MSG("Cand", Msg::kDebug)
               << "Begin CandEventList::~CandEventList() dtor: " << endl
                                           << "UidInt = " << GetUidInt()
                           << ", ArchUidInt " << GetArchUidInt() << endl
                             << "No. of links = " << GetNLinks() << endl
                 << "End CandEventList::~CandEventList() dtor." << endl;
}

//______________________________________________________________________
void CandEventList::CreateLocalHandle()
{
  SetLocalHandle(new CandEventListHandle(this));
}

//______________________________________________________________________
CandEventList *CandEventList::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.
  CandEventList *cb = new CandEventList(*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 CandEventList::IsEquivalent(const TObject *rhs) const
{
  Bool_t result = true;
  if (!CandBase::IsEquivalent(rhs)) result = false;   // superclass test
  TestDisplayCandBanner("CandEventList");
  const CandEventList* rCnd = dynamic_cast<const CandEventList*>(rhs);
  if (rCnd == NULL) return false;

  TestNothing("CandEventList");

  return result;
}

//______________________________________________________________________
CandEventListHandle CandEventList::MakeCandidate(AlgHandle &ah,
                                                        CandContext &cx)
{
  CandEventListHandle cdh;
  new CandEventList(ah, cdh, cx);      // cdh owns the new CandEventList
  return cdh;
}

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