//////////////////////////////////////////////////////////////////////////////
//
// All methods with selectors derive from this
//
// Author: Phil G Jones <p.jones22@physics.ox.ac.uk>
// Author: Matt Mottram < m.mottram@qmul.ac.uk> -- contact person
//
// REVISION HISTORY:
//     - 26/04/2011 : P G Jones - New file
//     - 2014-12-06 : P G Jones - Ability to chain selectors.
//
// Adds the ability to select a subset of the data PMTs, with the
// selection carried out by multiple PMTSelector instances.
//
//////////////////////////////////////////////////////////////////////////////

#ifndef __RAT_Method_SelectorMethod_hh__
#define __RAT_Method_SelectorMethod_hh__

#include <RAT/Method.hh>

#include <vector>
#include <list>

namespace RAT
{

namespace PMTSelectors
{
  class PMTSelector;
}

namespace Methods
{

//Note virtual inheritance.
class SelectorMethod : public virtual Method
{
public:
  // Empty virtual destructor
  virtual ~SelectorMethod() {}

  // Add the given PMT selector to the list
  void AddPMTSelector( PMTSelectors::PMTSelector* selector ) { fSelectors.push_back( selector ); }

protected:
  // Invoke the selectors on the fPMTData to produce the fSelectedPMTData
  //
  // vertex is the vertex to select on
  void SelectPMTData( const DS::FitVertex& vertex );

  std::list<PMTSelectors::PMTSelector*> fSelectors; // List of selectors to be applied in order
  std::vector<FitterPMT> fSelectedPMTData; // Selected PMTs
};

} //::Method

} //::RAT

#endif