ConfigRecord.cxx

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// $Id: ConfigRecord.cxx,v 1.4 2003/05/17 02:02:53 gmieg Exp $
//
// ConfigRecord.cxx
//
// ConfigRecord holds AlgConfig objects for retrieval via a TRef
// in the Candidate base class, CandBase.
//
// Author:  G. Irwin 5/2003

#include "TObjArray.h"

#include "Algorithm/AlgConfig.h"
#include "Algorithm/ConfigRecord.h"
#include "Record/RecHeader.h"

ClassImp(ConfigRecord)

//______________________________________________________________________
ConfigRecord::ConfigRecord() :
  RecDataRecord<RecHeader>()
, fOwnsConfigs(kTRUE)       // ConfigRecord owns AlgConfigs when read-in
{
// Config ownership must be false in writing job and true in reading job
// So use fOwnsConfigs(kTRUE) instead of TObjArray::SetOwner(kTRUE).
}

//______________________________________________________________________
ConfigRecord::ConfigRecord(const RecHeader& header) :
  RecDataRecord<RecHeader>(header)
, fOwnsConfigs(kFALSE)      // AlgFactory owns AlgConfigs in writing job
{
// Config ownership must be false in writing job and true in reading job
// So use fOwnsConfigs(kFALSE) instead of TObjArray::SetOwner(kFALSE).
}

//______________________________________________________________________
ConfigRecord::~ConfigRecord()
{

// TObjArray::Delete() crashes even when TObjArray is "non-owned" (bug?)
// So use TObjArray::RemoveAll() before ~RecDataRecord invokes Delete().

// Config ownership must be false in writing job and true in reading job
// So test "fOwnsConfigs==kFALSE", not "TObjArray::IsOwner()==kFALSE"

// RecDataRecord::fComponents should be "protected:" to avoid const_cast
   TObjArray &toa = (const_cast <TObjArray &> (GetComponents()));
   if (fOwnsConfigs == kFALSE) {
     toa.SetOwner(kFALSE); // Limits damage from ~RecDataRecord's Delete
     toa.RemoveAll();
   }
}

//______________________________________________________________________
TIter ConfigRecord::GetConfigIter(Bool_t dir)
{
   return TIter(&GetComponents(), dir);
}


//______________________________________________________________________
void ConfigRecord::SecureConfig(AlgConfig &ac)
{

// Secure an AlgConfig object.  It saves a non-owned AlgConfig pointer.
   AdoptComponent(&ac);
}

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