//
// $Id: absRcpGeometer.cpp,v 1.7 2001/06/14 20:57:22 hobbs Exp $
//
// File: absRcpGeometer.cpp
// Purpose: 
// Created:  9-NOV-2000   John Hobbs
//
// $Revision: 1.7 $
//
//

// Include files
#include "geometry_system/management/RcpGeometerRegistry.hpp"
#include "geometry_system/management/absRcpGeometer.hpp"

// Global definitions
using std::set;
using std::vector;
using std::string;
using edm::RCPID;
using edm::RCP;
using namespace dgs;

absRcpGeometer::absRcpGeometer(): _check_every_event(false)
{
  RcpGeometerRegistry* rgr = RcpGeometerRegistry::get_instance();
  rgr->add(this);
}

absRcpGeometer::~absRcpGeometer()
{
  RcpGeometerRegistry* rgr = RcpGeometerRegistry::get_instance();
  rgr->remove(this);
}

RCPID absRcpGeometer::id() const { return d_currentRCP; }

bool absRcpGeometer::absRefresh(const bool isMC, const int runNumber,
				const std::vector<std::string>& versions,
				const edm::Event *anEvt/*=0*/)
{
  RCP* newRCP = check_version(isMC,runNumber,versions,anEvt);
  bool doneOK = false;
  if( newRCP && (newRCP->getRCPID()!=d_currentRCP)) doneOK=absRefresh(newRCP);
  return doneOK;
}

bool absRcpGeometer::absRefresh(const RCP* newRCP) 
{
  // NOP, if the pointer if NULL.  Why not use a reference? Because we want
  // backward compatibility with existing silicon geometry code.
  if( !newRCP ) return false;

  // Do the update
  bool doneOK = refresh(newRCP);
  if( doneOK ) {
    d_currentRCP = newRCP->getRCPID();
    RcpGeometerRegistry::get_instance()->update_environment(this,d_currentRCP);
    notify_observers();
  }
  return doneOK;
}

// Default version.  Never switch RCP parameters by default
RCP* absRcpGeometer::check_version(const bool isMC, const int runNumber, 
				   const vector<string>& versions,
				   const edm::Event *anEvt/*=0*/)
{
  return 0;
}