//
// $Id: RcpGeometerRegistry.cpp,v 1.3 2001/06/14 21:04:16 hobbs Exp $
//
// File: RcpGeometerRegistry.cpp
// Purpose: 
// Created: 29-NOV-2000   John Hobbs
//
// $Revision: 1.3 $
//
//

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

// Global definitions
using namespace std;
using namespace dgs;
using namespace edm;

// Constructors/Destructors

// Accessors
RcpGeometerRegistry* RcpGeometerRegistry::_theInstance=0;

RcpGeometerRegistry* RcpGeometerRegistry::get_instance() 
{
  if( !_theInstance ) _theInstance = new RcpGeometerRegistry();
  return _theInstance;
}

bool RcpGeometerRegistry::add(absRcpGeometer *aGeometer)
{
  // Make sure it doesn't exist.
  if( d_geometers.find(aGeometer) != d_geometers.end() ) return false;

  // and then add it if it's OK
  d_geometers[aGeometer]=RCPID();
  return true;
}

bool RcpGeometerRegistry::remove(absRcpGeometer *aGeometer)
{
  // Make sure it exists
  if( d_geometers.find(aGeometer) == d_geometers.end() ) return false;

  // and then remove it
  d_geometers.erase(aGeometer);
  return true;
}

bool RcpGeometerRegistry::update_environment(absRcpGeometer *aGeometer,
					     RCPID& newrcp)
{
  // Make sure it exists
  if( d_geometers.find(aGeometer) == d_geometers.end() ) return false;

  // and then add it if it's OK
  d_geometers[aGeometer]=newrcp;
  return true;
}

std::set<absRcpGeometer*> RcpGeometerRegistry::known_geometers() const
{
  d_tmp.clear();
  map<absRcpGeometer*,RCPID>::const_iterator i = d_geometers.begin();
  while( i != d_geometers.end() ) {
    d_tmp.insert((*i).first);
    ++i;
  }
  return d_tmp;
}

// Get the RCPID's of the currently loaded parameter sets for all geometers
const map<absRcpGeometer*,RCPID>* RcpGeometerRegistry::environment() const
{
  return &d_geometers;
}