//      ====================================================================
//  EvtCollection.Write.h
//      --------------------------------------------------------------------
//
//      Package   : GaudiExamples/EvtCollection
//
//      Author    : Markus Frank
//
//      ====================================================================
#ifndef EVTCOLLECTION_WRITE_H
#define EVTCOLLECTION_WRITE_H

// Framework include files
#include "GaudiKernel/NTuple.h"
#include "GaudiKernel/Algorithm.h"  // Required for inheritance

// Forward declarations
class INtupleSvc;

namespace Gaudi {
  namespace Examples {
    class MyTrack;
  }
}
/** User example objects: EvtCollectionWrite

    Description:
    A small class creating an event collection.

    Author:  M.Frank
    Version: 1.0
*/
class EvtCollectionWrite : public Algorithm {
  NTuple::Item<int>               m_ntrkColl;
  NTuple::Item<float>             m_eneColl;
  NTuple::Item<Gaudi::Examples::MyTrack*>          m_trackItem;
  NTuple::Array<float>            m_trkMom;
  NTuple::Array<float>            m_trkMomFixed;
  NTuple::Item<IOpaqueAddress*>   m_evtAddrColl;
  NTuple::Item<IOpaqueAddress*>   m_evtAddrCollEx;
  int                             m_nMCcut;
  INTupleSvc*                     m_evtTupleSvc;

public:
  /// Constructor: A constructor of this form must be provided.
  EvtCollectionWrite(const std::string& name, ISvcLocator* pSvcLocator);
  /// Standard Destructor
  virtual ~EvtCollectionWrite();
  /// Initialize
  virtual StatusCode initialize();
  /// Finalize
  virtual StatusCode finalize() {
    return StatusCode::SUCCESS;
  }
  /// Event callback
  virtual StatusCode execute();
};

#endif // EVTCOLLECTION_WRITE_H