///////////////////////////////////////////////////////////////////
//
// Conditional processor based on number of events processed so far.
//
// Author: M Mottram <m.mottram@qmul.ac.uk>
//
// REVISION HISTORY:
//         2014-04-22 : M Mottram - new file.
//
///////////////////////////////////////////////////////////////////

#ifndef __RAT_NumberProcessedProc__
#define __RAT_NumberProcessedProc__

#include <RAT/Processor.hh>

#include <string>

namespace RAT
{

class NumberProcessedProc : public Processor
{
public:
  // Create new count processor.
  //
  // Default is for conditional to return OKTRUE every 10th physics event.
  NumberProcessedProc();

  // Destroy count processor.
  virtual ~NumberProcessedProc();

  // Applies the number command
  //
  // param: should be "number"
  // value: should be the conditional interval to check
  // Throws ParamUnknown if param is not number
  // Throws ParamInvalid if value is not >0
  virtual void SetI( const std::string& param, const int value );

  // Called for each event
  //
  // Increment event counters, check if counter is equal to "number" interval.
  //
  // run: run information to process
  // ds: entry information to process
  // Returns as OKTRUE if counter is equal to interval, OKFALSE otherwise
  virtual Processor::Result DSEvent( DS::Run& run, DS::Entry& ds );

protected:
  int fDsCount; // Number of physics events
  int fNumber;  // Number of physics events in "number" interval
};

} // namespace RAT

#endif