// -*- mode: c++ -*- 
//
// $Id: BrTriggerFilter.h,v 1.2 2001/12/14 15:38:51 cholm Exp $
// $Author: cholm $
// $Date: 2001/12/14 15:38:51 $
// $Copyright: 2000 BRAHMS Collaboration
//

#ifndef BRAT_BrTriggerFilter
#define BRAT_BrTriggerFilter

#ifndef BRAT_BrModule
#include "BrModule.h"
#endif 
#ifndef BRAT_BrEventNode
#include "BrEventNode.h"
#endif 
#ifndef ROOT_TH1
#include <TH1.h>
#endif

class BrTriggerFilter : public BrModule 
{
private:
  UInt_t  fTriggerMask;
  Int_t   fProcessedEvents;
  Int_t   fAcceptedEvents;  
  TH1F*   fAllTriggersHisto;
  TH1F*   fAccTriggersHisto;
public:
  BrTriggerFilter();
  BrTriggerFilter(const Char_t* name, const Char_t* title);

  virtual void   AddTrigger(UInt_t triggerBit); 
  virtual void   RemoveTrigger(UInt_t triggerBit);
  virtual void   SetTrigger(UInt_t triggerBit, Bool_t on = kTRUE);
  virtual Bool_t GetTrigger(UInt_t triggerBit) const;
  virtual void   DefineHistograms();
  virtual void   Init();
  virtual void   Begin();
  virtual void   Event(BrEventNode* input, BrEventNode*); 
  virtual void   End();
  virtual void   Finish();
  virtual void   Print(Option_t* option="B") const;

  ClassDef(BrTriggerFilter,0) // A trigger filter 
}
;
#endif 
//
// $Log: BrTriggerFilter.h,v $
// Revision 1.2  2001/12/14 15:38:51  cholm
// Added some statistics output to finish, and some extra doc.
//
// Revision 1.1.1.1  2001/06/21 14:55:14  hagel
// Initial revision of brat2
//
// Revision 1.2  2001/03/07 12:13:13  cholm
// Changed Info to Print.
//
// Revision 1.1  2001/01/19 16:33:37  cholm
// Added the class BrTriggerFilter, which is a filter to select events with
// only a specific set of events, as defined by user. This is a module, so it
// can go in the regular module pipeline, probably just after the input module.
//
//