EventSelector.h

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//====================================================================
//  EventSelector.h
//--------------------------------------------------------------------
//
//  Package    : EventSelector  (LHCb Event Selector Package)
//
//  Author     : M.Frank
//  Created    : 4/10/00
//
//====================================================================
//  Modified   : 11/11/06
//
//  Author     : Andres Felipe OSORIO OLIVEROS
//             : Marco CLEMENCIC
//
//====================================================================

#ifndef GAUDISVC_EVENTSELECTOR_EVENTSELECTOR_H
#define GAUDISVC_EVENTSELECTOR_EVENTSELECTOR_H 1

// Include files
#include "GaudiKernel/Service.h"
#include "GaudiKernel/IEvtSelector.h"

// STL include files
#include <vector>

// Forward declarations
class IIncidentSvc;
class IAddressCreator;
class IToolSvc;
class EventSelectorDataStream;
class EvtSelectorContext;
class IDataStreamTool;

class EventSelector : public extends1<Service, IEvtSelector> {
public:
  typedef std::vector<EventSelectorDataStream*>  Streams;
  typedef std::vector<std::string>               StreamSpecs;
  typedef std::vector<StringProperty>            Properties;

  long int m_streamID;

protected:
  SmartIF<IIncidentSvc> m_incidentSvc;

  SmartIF<IToolSvc>     m_toolSvc;

  IDataStreamTool*      m_streamtool;

  bool                  m_reconfigure;
  StreamSpecs           m_streamSpecs;
  StreamSpecs           m_streamSpecsLast;
  Streams               m_streams;
  int                   m_streamCount;
  int                   m_firstEvent;
  int                   m_evtMax;
  int                   m_evtPrintFrequency;

  std::string           m_streamManager;



  virtual void printEvtInfo(const EvtSelectorContext* iter) const;

public:
  virtual StatusCode initialize();

  virtual StatusCode finalize();

  virtual StatusCode reinitialize();


  virtual StatusCode createContext(Context*& refpCtxt) const;


  virtual StatusCode next(Context& refCtxt) const;


  virtual StatusCode next(Context& refCtxt,int jump) const;


  virtual StatusCode previous(Context& refCtxt) const;


  virtual StatusCode previous(Context& refCtxt,int jump) const;


  virtual StatusCode rewind(Context& refCtxt) const;


  virtual StatusCode createAddress(const Context& refCtxt, IOpaqueAddress*& refpAddr) const;


  virtual StatusCode releaseContext(Context*& refCtxt) const;

  virtual StatusCode resetCriteria(const std::string& cr,Context& c)const;

  virtual StatusCode last(Context& c) const;

  StatusCode firstOfNextStream( bool shutDown, EvtSelectorContext& it) const;
  StatusCode lastOfPreviousStream ( bool shutDown, EvtSelectorContext& it) const;

  EventSelector( const std::string& name, ISvcLocator* svcloc );

  virtual ~EventSelector();
};

#endif  // GAUDISVC_EVENTSELECTOR_EVENTSELECTOR_H