/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/Alignment/CommonAlignment/src/AlignableDetOrUnitPtr.cc

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#include "Alignment/CommonAlignment/interface/AlignableDetOrUnitPtr.h"
#include "Alignment/CommonAlignment/interface/AlignableBeamSpot.h"
#include "Alignment/CommonAlignment/interface/AlignableDet.h"
#include "Alignment/CommonAlignment/interface/AlignableDetUnit.h"

// Due to some implications with includes
// (needed for converison from AlignableDet(Unit)* to Alignable*)
// it is currently not possible to inline the following methods in the header...

AlignableDetOrUnitPtr::operator Alignable* ()
{ 
  if (theAliBeamSpot) return theAliBeamSpot;
  else if (theAliDet) return theAliDet;
  else                return theAliDetUnit;
}

AlignableDetOrUnitPtr::operator const Alignable* () const 
{
  if (theAliBeamSpot) return theAliBeamSpot;
  else if (theAliDet) return theAliDet;
  else                return theAliDetUnit;
}

const AlignmentPositionError* AlignableDetOrUnitPtr::alignmentPositionError() const
{
  if (theAliBeamSpot)     return theAliBeamSpot->alignmentPositionError();
  else if (theAliDet)     return theAliDet->alignmentPositionError();
  else if (theAliDetUnit) return theAliDetUnit->alignmentPositionError();
  else                    return 0;
}