/////////////////////////////////////////////////////////////////////////////
// Conditional return on a classifier result. Returns OKTRUE if the
// classifier result value is less than or equal to the cut value
// specified by the user, OKFALSE if it's greater then. It will return
// FAIL if the classifier result or classification don't exist or there
// is more than 1 triggered event.
//
// Author: P G Jones <p.g.jones@qmul.ac.uk>
//
// REVISION HISTORY:
//         2014-08-06 : P Jones - New file.
//
/////////////////////////////////////////////////////////////////////////////

#ifndef __RAT_ClassifierCutProc__
#define __RAT_ClassifierCutProc__

#include <RAT/Processor.hh>

#include <string>

namespace RAT
{

class ClassifierCutProc : public Processor
{
public:
  // Create a new cut processor, cuts events with the wrong classification
  ClassifierCutProc() : Processor("ClassifierCutProc"), fValue(0.0) { }

  // Destroy the processor
  virtual ~ClassifierCutProc() { }

  // Applies the set double commands.
  //
  // param should be value
  // value should be the maximum value
  // throws ParamUnknown if param is not value
  virtual void SetD( const std::string& param, const double value );

  // Applies the set string commands.
  //
  // param should be classifier or classification
  // value should be the name
  // throws ParamUnknown if param is not classifier or classification
  virtual void SetS( const std::string& param, const std::string& value );

  // Process the event
  //
  // Conditional on the classifier value
  //
  // run: Data structure for the run
  // ds: Data structure for the event
  // returns OKTRUE if the classifier's classification is <= value
  virtual Processor::Result DSEvent( DS::Run& run, DS::Entry& ds );
protected:
  std::string fClassifier; // The classifier to check
  std::string fClassification; // The classification of the classifier to check
  double fValue; // The value to check
};

} // namespace RAT

#endif