////////////////////////////////////////////////////////////////////////
/// \class RAT::Classifiers::PDFClassifier
///
/// \brief  All classifiers that use PDFs derive from this
///
/// \author Phil G Jones <p.g.jones@qmul.ac.uk>\n
/// \author Evelina Arushanova <e.arushanova@qmul.ac.uk> -- contact person \n
/// \author Matt Mottram < m.mottram@qmul.ac.uk> -- contact person
///
/// REVISION HISTORY:\n
///     2013-10-26 : P G Jones - New file \n
///
/// \details Adds extra PDF functionality.
///
////////////////////////////////////////////////////////////////////////

#ifndef __RAT_Classifier_PDFClassifier_
#define __RAT_Classifier_PDFClassifier_

#include <RAT/Classifier.hh>

namespace RAT
{

namespace PDFs
{
  class PDF;
}

namespace Classifiers
{

//Note virtual inheritance.
class PDFClassifier : public virtual Classifier
{
public:
  /// Constructor
  PDFClassifier() : fPDF(NULL) {}
  /// Empty virtual destructor
  virtual ~PDFClassifier() {}

  /// Set the classifiers PDF
  void SetPDF( PDFs::PDF* pdf ) { fPDF = pdf; }
protected:
  PDFs::PDF* fPDF; ///< Internal PDF
};

} //::Classifier

} //::RAT

#endif