TrkExtInterface.cxx

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//--------------------------------------------------------------------------
// File and Version Information:
//      $Id: TrkExtInterface.cxx,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
//
// Description:
//
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author(s): Steve Schaffner
//
//------------------------------------------------------------------------
 
// #include "BaBar/BaBar.h"
#include "TrkBase/TrkExtInterface.h"
#include "ProxyDict/IfdIntKey.h"
#include "TrkBase/TrkRep.h"
// #include "ErrLogger/ErrLog.h"
 
//------------------------------------------------------------------------
TrkExtInterface::TrkExtInterface() : _myRep( 0 ), _nonconst( false ) {
  //------------------------------------------------------------------------
}
 
//------------------------------------------------------------------------
TrkExtInterface::~TrkExtInterface() {
  //------------------------------------------------------------------------
}
 
//------------------------------------------------------------------------
bool TrkExtInterface::attach( TrkRep* newRep ) {
  //------------------------------------------------------------------------
  bool retval( false );
  if ( myKey() == newRep->myKey() )
  {
    setRep( newRep );
    retval = true;
  }
  return retval;
}
 
//------------------------------------------------------------------------
bool TrkExtInterface::attach( const TrkRep* newRep ) {
  //------------------------------------------------------------------------
  bool retval( false );
  if ( myKey() == newRep->myKey() )
  {
    setRep( newRep );
    retval = true;
  }
  return retval;
}
 
void TrkExtInterface::setRep( const TrkRep* newRep ) {
  _myRep    = (TrkRep*)newRep;
  _nonconst = false;
}
 
void TrkExtInterface::setRep( TrkRep* newRep ) {
  _myRep    = newRep;
  _nonconst = true;
}
 
//------------------------------------------------------------------------
TrkRep* TrkExtInterface::myRep() {
  //------------------------------------------------------------------------
  if ( _myRep != 0 && _nonconst ) return _myRep;
  else if ( 0 == _myRep )
  {
    std::cout << "ErrMsg(error) "
              << "Cannot use interface without attached rep." << std::endl;
    return 0;
  }
  else
    std::cout << "ErrMsg(error) "
              << "Cannot return non-const rep after const attachment" << std::endl;
  return 0;
}
 
//------------------------------------------------------------------------
const TrkRep* TrkExtInterface::myConstRep() const {
  //------------------------------------------------------------------------
  if ( 0 == _myRep )
  {
    std::cout << "ErrMsg(error) "
              << "Cannot use interface without attached rep." << std::endl;
    return 0;
  }
  return _myRep;
}