#ifndef TTriggerContainer_hxx_seen
#define TTriggerContainer_hxx_seen

#include <vector>
#include <TROOT.h>

#include "EoaCore.hxx"
#include "IDatum.hxx"
#include "ITrigger.hxx"

namespace COMET
{
  class ITrigger;
  class ITriggerContainer;

  OA_EXCEPTION(ETriggerContainer, EoaCore);
  
  /// An invalid hit was added to the hit selection.  This exception can be
  /// caught and continue, with the ITriggerContainer object intact.
  OA_EXCEPTION(EInvalidTrigger, ETriggerContainer);
}

/// A container for ITrigger objects.  The ITriggerContainer
/// class holds a representation of the uncalibrated electronics data and is
/// generated from two sources.  For data, the ITriggerContainer is dynamically
/// generated from the MIDAS information saved in ICOMETRawEvent.  For Monte
/// Carlo, the ITriggerContainer is saved with the event (instead of saving a
/// ICOMETRawEvent).  The information inside of the ITriggerContainer is usually
/// only accessed by the calibration routines, but can be accessed from the
/// final TTriggerObjects using the ITriggerProxy which references the contributing
/// ITrigger.
class COMET::ITriggerContainer : public COMET::IDatum, public std::vector<COMET::ITrigger*>
{
public:
  ITriggerContainer(const char* name = "triggers", 
        const char* title = "Trigger Pointers");
  ~ITriggerContainer();
  
  /// This is the usual std::vector::push_back, but enhanced to make
  /// sure that only valid hits are inserted into the ITriggerContainer.
  virtual void push_back(COMET::ITrigger* trigger);
  
  /// A convenience method to make sure that a hit is only added to the
  /// ITriggerContainer once.  The AddTrigger method is much slower than a
  /// push_back(), so it should only be used when the hit might already be
  /// in the selection.
  virtual void AddTrigger(COMET::ITrigger* trigger);
  
  /// A convenience method to make sure that a hit is not in a
  /// ITriggerContainer.
  virtual void RemoveTrigger(const COMET::ITrigger* trigger);
  
  /// Print the datum information.
  virtual void ls(Option_t* opt = "") const;
  
  ClassDef(ITriggerContainer,1);
};
#endif