/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/TrackingTools/DetLayers/interface/NavigationSchool.h

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#ifndef DetLayers_NavigationSchool_H
#define DetLayers_NavigationSchool_H

#include <vector>

class NavigableLayer;
class NavigationSchool;
class DetLayer;

class NavigationSchool {
public:

  NavigationSchool() : theAllDetLayersInSystem(0){}

  virtual ~NavigationSchool() {}

  typedef std::vector<NavigableLayer*>   StateType;

  virtual StateType navigableLayers() const = 0;

  const std::vector<DetLayer*> & allLayersInSystem() const {return *theAllDetLayersInSystem;}

 protected:
  const std::vector<DetLayer*> * theAllDetLayersInSystem;
};

#endif // NavigationSchool_H