McEventSelector.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
//====================================================================
//  McEventSelector.h
//--------------------------------------------------------------------
//
//  Package    : McEventSelector
//
//  Description: The McEventSelector component is able
//               to produce a list of event references given a set of "selection
//               criteria".
//
//  Author     : P. Calafiura
//  Created    : 2/28/00
//  Changes    :
//
//
//====================================================================
 
#ifndef MCEVENTSELECTOR_MCEVENTSELECTOR_H
#define MCEVENTSELECTOR_MCEVENTSELECTOR_H 1
 
// Include files
#include "GaudiKernel/IEvtSelector.h"
#include "AthenaBaseComps/AthService.h"
#include "Gaudi/Property.h"  /*no forward decl: typedef*/
 
#include "AthenaKernel/IEvtSelectorSeek.h"
#include "CxxUtils/checker_macros.h"
 
#include <cstdint>
 
// Forward declarations
class EventSource;
class ISvcLocator;
class McContext;
 
//--------------------------------------------------------------------
// Event Selector (for single-threaded/serial athena)
//--------------------------------------------------------------------
 
class ATLAS_NOT_THREAD_SAFE McEventSelector : public extends<AthService,
                                                             IEvtSelector,
                                                             IEvtSelectorSeek> {
public:
 
    virtual StatusCode initialize() override;
    virtual StatusCode stop() override;
    virtual StatusCode createContext(Context*& refpCtxt) const override;
 
    virtual StatusCode last(Context& refContext) const override;
    virtual StatusCode next(Context& refCtxt) const override;
    virtual StatusCode next(Context& refCtxt,int jump) const override;
    virtual StatusCode previous(Context& refCtxt) const override;
    virtual StatusCode previous(Context& refCtxt,int jump) const override;
    virtual StatusCode rewind(Context& refCtxt) const override;
 
    virtual StatusCode createAddress(const Context& refCtxt,
                                     IOpaqueAddress*&) const override;
    virtual StatusCode releaseContext(Context*& refCtxt) const override;
    virtual StatusCode resetCriteria(const std::string& cr,Context& c)const override;
 
    virtual StatusCode seek(Context& refCtxt, int) const override;
    virtual int curEvent (const Context& refCtxt) const override;
    virtual int size (Context& refCtxt) const override;

    McEventSelector( const std::string& name, ISvcLocator* svcloc );
 
    ~McEventSelector();
 
private:
    //  EventSource* p_eventSource;
    Gaudi::CheckedProperty<uint32_t>          m_runNo;
    Gaudi::CheckedProperty<uint64_t> m_firstEventNo;
    Gaudi::CheckedProperty<uint64_t> m_eventsPerRun;
    Gaudi::CheckedProperty<uint32_t>          m_firstLBNo;
    Gaudi::CheckedProperty<uint32_t>          m_eventsPerLB;
    Gaudi::CheckedProperty<uint32_t>          m_initTimeStamp;
    Gaudi::Property<uint32_t>          m_timeStampInterval;

    Gaudi::Property<bool> m_overrideRunNumber;
    Gaudi::Property<bool> m_overrideEventNumber;
    Gaudi::Property<bool> m_overrideLBNumber;
    Gaudi::Property<bool> m_overrideTimeStamp;
 
    mutable McContext *m_ctx;
 
};
 
#endif  // MCEVENTCNV_MCEVENTSELECTOR_H